diff options
Diffstat (limited to '')
62 files changed, 11308 insertions, 0 deletions
diff --git a/vendor/wikimedia/less.php/LICENSE b/vendor/wikimedia/less.php/LICENSE new file mode 100644 index 0000000..d645695 --- /dev/null +++ b/vendor/wikimedia/less.php/LICENSE @@ -0,0 +1,202 @@ + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. Definitions. + + "License" shall mean the terms and conditions for use, reproduction, + and distribution as defined by Sections 1 through 9 of this document. + + "Licensor" shall mean the copyright owner or entity authorized by + the copyright owner that is granting the License. + + "Legal Entity" shall mean the union of the acting entity and all + other entities that control, are controlled by, or are under common + control with that entity. For the purposes of this definition, + "control" means (i) the power, direct or indirect, to cause the + direction or management of such entity, whether by contract or + otherwise, or (ii) ownership of fifty percent (50%) or more of the + outstanding shares, or (iii) beneficial ownership of such entity. + + "You" (or "Your") shall mean an individual or Legal Entity + exercising permissions granted by this License. + + "Source" form shall mean the preferred form for making modifications, + including but not limited to software source code, documentation + source, and configuration files. + + "Object" form shall mean any form resulting from mechanical + transformation or translation of a Source form, including but + not limited to compiled object code, generated documentation, + and conversions to other media types. + + "Work" shall mean the work of authorship, whether in Source or + Object form, made available under the License, as indicated by a + copyright notice that is included in or attached to the work + (an example is provided in the Appendix below). + + "Derivative Works" shall mean any work, whether in Source or Object + form, that is based on (or derived from) the Work and for which the + editorial revisions, annotations, elaborations, or other modifications + represent, as a whole, an original work of authorship. For the purposes + of this License, Derivative Works shall not include works that remain + separable from, or merely link (or bind by name) to the interfaces of, + the Work and Derivative Works thereof. + + "Contribution" shall mean any work of authorship, including + the original version of the Work and any modifications or additions + to that Work or Derivative Works thereof, that is intentionally + submitted to Licensor for inclusion in the Work by the copyright owner + or by an individual or Legal Entity authorized to submit on behalf of + the copyright owner. For the purposes of this definition, "submitted" + means any form of electronic, verbal, or written communication sent + to the Licensor or its representatives, including but not limited to + communication on electronic mailing lists, source code control systems, + and issue tracking systems that are managed by, or on behalf of, the + Licensor for the purpose of discussing and improving the Work, but + excluding communication that is conspicuously marked or otherwise + designated in writing by the copyright owner as "Not a Contribution." + + "Contributor" shall mean Licensor and any individual or Legal Entity + on behalf of whom a Contribution has been received by Licensor and + subsequently incorporated within the Work. + + 2. Grant of Copyright License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + copyright license to reproduce, prepare Derivative Works of, + publicly display, publicly perform, sublicense, and distribute the + Work and such Derivative Works in Source or Object form. + + 3. Grant of Patent License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + (except as stated in this section) patent license to make, have made, + use, offer to sell, sell, import, and otherwise transfer the Work, + where such license applies only to those patent claims licensable + by such Contributor that are necessarily infringed by their + Contribution(s) alone or by combination of their Contribution(s) + with the Work to which such Contribution(s) was submitted. If You + institute patent litigation against any entity (including a + cross-claim or counterclaim in a lawsuit) alleging that the Work + or a Contribution incorporated within the Work constitutes direct + or contributory patent infringement, then any patent licenses + granted to You under this License for that Work shall terminate + as of the date such litigation is filed. + + 4. Redistribution. You may reproduce and distribute copies of the + Work or Derivative Works thereof in any medium, with or without + modifications, and in Source or Object form, provided that You + meet the following conditions: + + (a) You must give any other recipients of the Work or + Derivative Works a copy of this License; and + + (b) You must cause any modified files to carry prominent notices + stating that You changed the files; and + + (c) You must retain, in the Source form of any Derivative Works + that You distribute, all copyright, patent, trademark, and + attribution notices from the Source form of the Work, + excluding those notices that do not pertain to any part of + the Derivative Works; and + + (d) If the Work includes a "NOTICE" text file as part of its + distribution, then any Derivative Works that You distribute must + include a readable copy of the attribution notices contained + within such NOTICE file, excluding those notices that do not + pertain to any part of the Derivative Works, in at least one + of the following places: within a NOTICE text file distributed + as part of the Derivative Works; within the Source form or + documentation, if provided along with the Derivative Works; or, + within a display generated by the Derivative Works, if and + wherever such third-party notices normally appear. The contents + of the NOTICE file are for informational purposes only and + do not modify the License. You may add Your own attribution + notices within Derivative Works that You distribute, alongside + or as an addendum to the NOTICE text from the Work, provided + that such additional attribution notices cannot be construed + as modifying the License. + + You may add Your own copyright statement to Your modifications and + may provide additional or different license terms and conditions + for use, reproduction, or distribution of Your modifications, or + for any such Derivative Works as a whole, provided Your use, + reproduction, and distribution of the Work otherwise complies with + the conditions stated in this License. + + 5. Submission of Contributions. Unless You explicitly state otherwise, + any Contribution intentionally submitted for inclusion in the Work + by You to the Licensor shall be under the terms and conditions of + this License, without any additional terms or conditions. + Notwithstanding the above, nothing herein shall supersede or modify + the terms of any separate license agreement you may have executed + with Licensor regarding such Contributions. + + 6. Trademarks. This License does not grant permission to use the trade + names, trademarks, service marks, or product names of the Licensor, + except as required for reasonable and customary use in describing the + origin of the Work and reproducing the content of the NOTICE file. + + 7. Disclaimer of Warranty. Unless required by applicable law or + agreed to in writing, Licensor provides the Work (and each + Contributor provides its Contributions) on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or + implied, including, without limitation, any warranties or conditions + of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A + PARTICULAR PURPOSE. You are solely responsible for determining the + appropriateness of using or redistributing the Work and assume any + risks associated with Your exercise of permissions under this License. + + 8. Limitation of Liability. In no event and under no legal theory, + whether in tort (including negligence), contract, or otherwise, + unless required by applicable law (such as deliberate and grossly + negligent acts) or agreed to in writing, shall any Contributor be + liable to You for damages, including any direct, indirect, special, + incidental, or consequential damages of any character arising as a + result of this License or out of the use or inability to use the + Work (including but not limited to damages for loss of goodwill, + work stoppage, computer failure or malfunction, or any and all + other commercial damages or losses), even if such Contributor + has been advised of the possibility of such damages. + + 9. Accepting Warranty or Additional Liability. While redistributing + the Work or Derivative Works thereof, You may choose to offer, + and charge a fee for, acceptance of support, warranty, indemnity, + or other liability obligations and/or rights consistent with this + License. However, in accepting such obligations, You may act only + on Your own behalf and on Your sole responsibility, not on behalf + of any other Contributor, and only if You agree to indemnify, + defend, and hold each Contributor harmless for any liability + incurred by, or claims asserted against, such Contributor by reason + of your accepting any such warranty or additional liability. + + END OF TERMS AND CONDITIONS + + APPENDIX: How to apply the Apache License to your work. + + To apply the Apache License to your work, attach the following + boilerplate notice, with the fields enclosed by brackets "[]" + replaced with your own identifying information. (Don't include + the brackets!) The text should be enclosed in the appropriate + comment syntax for the file format. We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/vendor/wikimedia/less.php/lessc.inc.php b/vendor/wikimedia/less.php/lessc.inc.php new file mode 100644 index 0000000..a3c66dd --- /dev/null +++ b/vendor/wikimedia/less.php/lessc.inc.php @@ -0,0 +1,274 @@ +<?php +/** + * This file provides the part of lessphp API (https://github.com/leafo/lessphp) + * to be a drop-in replacement for following products: + * - Drupal 7, by the less module v3.0+ (https://drupal.org/project/less) + * - Symfony 2 + */ + +// Register autoloader for non-composer installations +if ( !class_exists( 'Less_Parser' ) ) { + require_once __DIR__ . '/lib/Less/Autoloader.php'; + Less_Autoloader::register(); +} + +class lessc { + + public static $VERSION = Less_Version::less_version; + + public $importDir = ''; + protected $allParsedFiles = []; + protected $libFunctions = []; + protected $registeredVars = []; + private $formatterName; + private $options = []; + + public function __construct( $lessc = null, $sourceName = null ) { + } + + public function setImportDir( $dirs ) { + $this->importDir = (array)$dirs; + } + + public function addImportDir( $dir ) { + $this->importDir = (array)$this->importDir; + $this->importDir[] = $dir; + } + + public function setFormatter( $name ) { + $this->formatterName = $name; + } + + public function setPreserveComments( $preserve ) { + } + + public function registerFunction( $name, $func ) { + $this->libFunctions[$name] = $func; + } + + public function unregisterFunction( $name ) { + unset( $this->libFunctions[$name] ); + } + + public function setVariables( $variables ) { + foreach ( $variables as $name => $value ) { + $this->setVariable( $name, $value ); + } + } + + public function setVariable( $name, $value ) { + $this->registeredVars[$name] = $value; + } + + public function unsetVariable( $name ) { + unset( $this->registeredVars[$name] ); + } + + public function setOptions( $options ) { + foreach ( $options as $name => $value ) { + $this->setOption( $name, $value ); + } + } + + public function setOption( $name, $value ) { + $this->options[$name] = $value; + } + + public function parse( $buffer, $presets = [] ) { + $this->setVariables( $presets ); + + $parser = new Less_Parser( $this->getOptions() ); + $parser->setImportDirs( $this->getImportDirs() ); + foreach ( $this->libFunctions as $name => $func ) { + $parser->registerFunction( $name, $func ); + } + $parser->parse( $buffer ); + if ( count( $this->registeredVars ) ) { + $parser->ModifyVars( $this->registeredVars ); + } + + return $parser->getCss(); + } + + protected function getOptions() { + $options = [ 'relativeUrls' => false ]; + switch ( $this->formatterName ) { + case 'compressed': + $options['compress'] = true; + break; + } + if ( is_array( $this->options ) ) { + $options = array_merge( $options, $this->options ); + } + return $options; + } + + protected function getImportDirs() { + $dirs_ = (array)$this->importDir; + $dirs = []; + foreach ( $dirs_ as $dir ) { + $dirs[$dir] = ''; + } + return $dirs; + } + + public function compile( $string, $name = null ) { + $oldImport = $this->importDir; + $this->importDir = (array)$this->importDir; + + $this->allParsedFiles = []; + + $parser = new Less_Parser( $this->getOptions() ); + $parser->SetImportDirs( $this->getImportDirs() ); + if ( count( $this->registeredVars ) ) { + $parser->ModifyVars( $this->registeredVars ); + } + foreach ( $this->libFunctions as $name => $func ) { + $parser->registerFunction( $name, $func ); + } + $parser->parse( $string ); + $out = $parser->getCss(); + + $parsed = Less_Parser::AllParsedFiles(); + foreach ( $parsed as $file ) { + $this->addParsedFile( $file ); + } + + $this->importDir = $oldImport; + + return $out; + } + + public function compileFile( $fname, $outFname = null ) { + if ( !is_readable( $fname ) ) { + throw new Exception( 'load error: failed to find ' . $fname ); + } + + $pi = pathinfo( $fname ); + + $oldImport = $this->importDir; + + $this->importDir = (array)$this->importDir; + $this->importDir[] = Less_Parser::AbsPath( $pi['dirname'] ) . '/'; + + $this->allParsedFiles = []; + $this->addParsedFile( $fname ); + + $parser = new Less_Parser( $this->getOptions() ); + $parser->SetImportDirs( $this->getImportDirs() ); + if ( count( $this->registeredVars ) ) { + $parser->ModifyVars( $this->registeredVars ); + } + foreach ( $this->libFunctions as $name => $func ) { + $parser->registerFunction( $name, $func ); + } + $parser->parseFile( $fname ); + $out = $parser->getCss(); + + $parsed = Less_Parser::AllParsedFiles(); + foreach ( $parsed as $file ) { + $this->addParsedFile( $file ); + } + + $this->importDir = $oldImport; + + if ( $outFname !== null ) { + return file_put_contents( $outFname, $out ); + } + + return $out; + } + + public function checkedCompile( $in, $out ) { + if ( !is_file( $out ) || filemtime( $in ) > filemtime( $out ) ) { + $this->compileFile( $in, $out ); + return true; + } + return false; + } + + /** + * Execute lessphp on a .less file or a lessphp cache structure + * + * The lessphp cache structure contains information about a specific + * less file having been parsed. It can be used as a hint for future + * calls to determine whether or not a rebuild is required. + * + * The cache structure contains two important keys that may be used + * externally: + * + * compiled: The final compiled CSS + * updated: The time (in seconds) the CSS was last compiled + * + * The cache structure is a plain-ol' PHP associative array and can + * be serialized and unserialized without a hitch. + * + * @param mixed $in Input + * @param bool $force Force rebuild? + * @return array lessphp cache structure + */ + public function cachedCompile( $in, $force = false ) { + // assume no root + $root = null; + + if ( is_string( $in ) ) { + $root = $in; + } elseif ( is_array( $in ) and isset( $in['root'] ) ) { + if ( $force or !isset( $in['files'] ) ) { + // If we are forcing a recompile or if for some reason the + // structure does not contain any file information we should + // specify the root to trigger a rebuild. + $root = $in['root']; + } elseif ( isset( $in['files'] ) and is_array( $in['files'] ) ) { + foreach ( $in['files'] as $fname => $ftime ) { + if ( !file_exists( $fname ) or filemtime( $fname ) > $ftime ) { + // One of the files we knew about previously has changed + // so we should look at our incoming root again. + $root = $in['root']; + break; + } + } + } + } else { + // TODO: Throw an exception? We got neither a string nor something + // that looks like a compatible lessphp cache structure. + return null; + } + + if ( $root !== null ) { + // If we have a root value which means we should rebuild. + $out = []; + $out['root'] = $root; + $out['compiled'] = $this->compileFile( $root ); + $out['files'] = $this->allParsedFiles(); + $out['updated'] = time(); + return $out; + } else { + // No changes, pass back the structure + // we were given initially. + return $in; + } + } + + public function ccompile( $in, $out, $less = null ) { + if ( $less === null ) { + $less = new self; + } + return $less->checkedCompile( $in, $out ); + } + + public static function cexecute( $in, $force = false, $less = null ) { + if ( $less === null ) { + $less = new self; + } + return $less->cachedCompile( $in, $force ); + } + + public function allParsedFiles() { + return $this->allParsedFiles; + } + + protected function addParsedFile( $file ) { + $this->allParsedFiles[Less_Parser::AbsPath( $file )] = filemtime( $file ); + } +} diff --git a/vendor/wikimedia/less.php/lib/Less/Autoloader.php b/vendor/wikimedia/less.php/lib/Less/Autoloader.php new file mode 100644 index 0000000..a4f7a4a --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Autoloader.php @@ -0,0 +1,57 @@ +<?php + +/** + * Autoloader + */ +class Less_Autoloader { + + /** @var bool */ + protected static $registered = false; + + /** + * Register the autoloader in the SPL autoloader + * + * @return void + * @throws Exception If there was an error in registration + */ + public static function register() { + if ( self::$registered ) { + return; + } + + if ( !spl_autoload_register( [ 'Less_Autoloader', 'loadClass' ] ) ) { + throw new Exception( 'Unable to register Less_Autoloader::loadClass as an autoloading method.' ); + } + + self::$registered = true; + } + + /** + * Unregister the autoloader + * + * @return void + */ + public static function unregister() { + spl_autoload_unregister( [ 'Less_Autoloader', 'loadClass' ] ); + self::$registered = false; + } + + /** + * Load the class + * + * @param string $className The class to load + */ + public static function loadClass( $className ) { + // handle only package classes + if ( strpos( $className, 'Less_' ) !== 0 ) { + return; + } + + $className = substr( $className, 5 ); + $fileName = __DIR__ . DIRECTORY_SEPARATOR . str_replace( '_', DIRECTORY_SEPARATOR, $className ) . '.php'; + + require $fileName; + return true; + } + +} diff --git a/vendor/wikimedia/less.php/lib/Less/Cache.php b/vendor/wikimedia/less.php/lib/Less/Cache.php new file mode 100644 index 0000000..c8c4b44 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Cache.php @@ -0,0 +1,276 @@ +<?php + +/** + * Utility for handling the generation and caching of css files + */ +class Less_Cache { + + // directory less.php can use for storing data + public static $cache_dir = false; + + // prefix for the storing data + public static $prefix = 'lessphp_'; + + // prefix for the storing vars + public static $prefix_vars = 'lessphpvars_'; + + // specifies the number of seconds after which data created by less.php will be seen as 'garbage' and potentially cleaned up + public static $gc_lifetime = 604800; + + /** + * Save and reuse the results of compiled less files. + * The first call to Get() will generate css and save it. + * Subsequent calls to Get() with the same arguments will return the same css filename + * + * @param array $less_files Array of .less files to compile + * @param array $parser_options Array of compiler options + * @param array $modify_vars Array of variables + * @return string|false Name of the css file + */ + public static function Get( $less_files, $parser_options = [], $modify_vars = [] ) { + // check $cache_dir + if ( isset( $parser_options['cache_dir'] ) ) { + self::$cache_dir = $parser_options['cache_dir']; + } + + if ( empty( self::$cache_dir ) ) { + throw new Exception( 'cache_dir not set' ); + } + + if ( isset( $parser_options['prefix'] ) ) { + self::$prefix = $parser_options['prefix']; + } + + if ( empty( self::$prefix ) ) { + throw new Exception( 'prefix not set' ); + } + + if ( isset( $parser_options['prefix_vars'] ) ) { + self::$prefix_vars = $parser_options['prefix_vars']; + } + + if ( empty( self::$prefix_vars ) ) { + throw new Exception( 'prefix_vars not set' ); + } + + self::CheckCacheDir(); + $less_files = (array)$less_files; + + // create a file for variables + if ( !empty( $modify_vars ) ) { + $lessvars = Less_Parser::serializeVars( $modify_vars ); + $vars_file = self::$cache_dir . self::$prefix_vars . sha1( $lessvars ) . '.less'; + + if ( !file_exists( $vars_file ) ) { + file_put_contents( $vars_file, $lessvars ); + } + + $less_files += [ $vars_file => '/' ]; + } + + // generate name for compiled css file + $hash = md5( json_encode( $less_files ) ); + $list_file = self::$cache_dir . self::$prefix . $hash . '.list'; + + // check cached content + if ( !isset( $parser_options['use_cache'] ) || $parser_options['use_cache'] === true ) { + if ( file_exists( $list_file ) ) { + + self::ListFiles( $list_file, $list, $cached_name ); + $compiled_name = self::CompiledName( $list, $hash ); + + // if $cached_name is the same as the $compiled name, don't regenerate + if ( !$cached_name || $cached_name === $compiled_name ) { + + $output_file = self::OutputFile( $compiled_name, $parser_options ); + + if ( $output_file && file_exists( $output_file ) ) { + @touch( $list_file ); + return basename( $output_file ); // for backwards compatibility, we just return the name of the file + } + } + } + } + + $compiled = self::Cache( $less_files, $parser_options ); + if ( !$compiled ) { + return false; + } + + $compiled_name = self::CompiledName( $less_files, $hash ); + $output_file = self::OutputFile( $compiled_name, $parser_options ); + + // save the file list + $list = $less_files; + $list[] = $compiled_name; + $cache = implode( "\n", $list ); + file_put_contents( $list_file, $cache ); + + // save the css + file_put_contents( $output_file, $compiled ); + + // clean up + self::CleanCache(); + + return basename( $output_file ); + } + + /** + * Force the compiler to regenerate the cached css file + * + * @param array $less_files Array of .less files to compile + * @param array $parser_options Array of compiler options + * @param array $modify_vars Array of variables + * @return string Name of the css file + */ + public static function Regen( $less_files, $parser_options = [], $modify_vars = [] ) { + $parser_options['use_cache'] = false; + return self::Get( $less_files, $parser_options, $modify_vars ); + } + + public static function Cache( &$less_files, $parser_options = [] ) { + $parser_options['cache_dir'] = self::$cache_dir; + $parser = new Less_Parser( $parser_options ); + + // combine files + foreach ( $less_files as $file_path => $uri_or_less ) { + + // treat as less markup if there are newline characters + if ( strpos( $uri_or_less, "\n" ) !== false ) { + $parser->Parse( $uri_or_less ); + continue; + } + + $parser->ParseFile( $file_path, $uri_or_less ); + } + + $compiled = $parser->getCss(); + + $less_files = $parser->allParsedFiles(); + + return $compiled; + } + + private static function OutputFile( $compiled_name, $parser_options ) { + // custom output file + if ( !empty( $parser_options['output'] ) ) { + + // relative to cache directory? + if ( preg_match( '#[\\\\/]#', $parser_options['output'] ) ) { + return $parser_options['output']; + } + + return self::$cache_dir . $parser_options['output']; + } + + return self::$cache_dir . $compiled_name; + } + + private static function CompiledName( $files, $extrahash ) { + // save the file list + $temp = [ Less_Version::cache_version ]; + foreach ( $files as $file ) { + $temp[] = filemtime( $file ) . "\t" . filesize( $file ) . "\t" . $file; + } + + return self::$prefix . sha1( json_encode( $temp ) . $extrahash ) . '.css'; + } + + public static function SetCacheDir( $dir ) { + self::$cache_dir = $dir; + self::CheckCacheDir(); + } + + public static function CheckCacheDir() { + self::$cache_dir = str_replace( '\\', '/', self::$cache_dir ); + self::$cache_dir = rtrim( self::$cache_dir, '/' ) . '/'; + + if ( !file_exists( self::$cache_dir ) ) { + if ( !mkdir( self::$cache_dir ) ) { + throw new Less_Exception_Parser( 'Less.php cache directory couldn\'t be created: ' . self::$cache_dir ); + } + + } elseif ( !is_dir( self::$cache_dir ) ) { + throw new Less_Exception_Parser( 'Less.php cache directory doesn\'t exist: ' . self::$cache_dir ); + + } elseif ( !is_writable( self::$cache_dir ) ) { + throw new Less_Exception_Parser( 'Less.php cache directory isn\'t writable: ' . self::$cache_dir ); + + } + } + + /** + * Delete unused less.php files + */ + public static function CleanCache() { + static $clean = false; + + if ( $clean || empty( self::$cache_dir ) ) { + return; + } + + $clean = true; + + // only remove files with extensions created by less.php + // css files removed based on the list files + $remove_types = [ 'lesscache' => 1,'list' => 1,'less' => 1,'map' => 1 ]; + + $files = scandir( self::$cache_dir ); + if ( !$files ) { + return; + } + + $check_time = time() - self::$gc_lifetime; + foreach ( $files as $file ) { + + // don't delete if the file wasn't created with less.php + if ( strpos( $file, self::$prefix ) !== 0 ) { + continue; + } + + $parts = explode( '.', $file ); + $type = array_pop( $parts ); + + if ( !isset( $remove_types[$type] ) ) { + continue; + } + + $full_path = self::$cache_dir . $file; + $mtime = filemtime( $full_path ); + + // don't delete if it's a relatively new file + if ( $mtime > $check_time ) { + continue; + } + + // delete the list file and associated css file + if ( $type === 'list' ) { + self::ListFiles( $full_path, $list, $css_file_name ); + if ( $css_file_name ) { + $css_file = self::$cache_dir . $css_file_name; + if ( file_exists( $css_file ) ) { + unlink( $css_file ); + } + } + } + + unlink( $full_path ); + } + } + + /** + * Get the list of less files and generated css file from a list file + */ + static function ListFiles( $list_file, &$list, &$css_file_name ) { + $list = explode( "\n", file_get_contents( $list_file ) ); + + // pop the cached name that should match $compiled_name + $css_file_name = array_pop( $list ); + + if ( !preg_match( '/^' . self::$prefix . '[a-f0-9]+\.css$/', $css_file_name ) ) { + $list[] = $css_file_name; + $css_file_name = false; + } + } + +} diff --git a/vendor/wikimedia/less.php/lib/Less/Colors.php b/vendor/wikimedia/less.php/lib/Less/Colors.php new file mode 100644 index 0000000..2f715c2 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Colors.php @@ -0,0 +1,176 @@ +<?php +/** + * Utility for css colors + * + * @private + */ +class Less_Colors { + + private const COLORS = [ + 'aliceblue' => '#f0f8ff', + 'antiquewhite' => '#faebd7', + 'aqua' => '#00ffff', + 'aquamarine' => '#7fffd4', + 'azure' => '#f0ffff', + 'beige' => '#f5f5dc', + 'bisque' => '#ffe4c4', + 'black' => '#000000', + 'blanchedalmond' => '#ffebcd', + 'blue' => '#0000ff', + 'blueviolet' => '#8a2be2', + 'brown' => '#a52a2a', + 'burlywood' => '#deb887', + 'cadetblue' => '#5f9ea0', + 'chartreuse' => '#7fff00', + 'chocolate' => '#d2691e', + 'coral' => '#ff7f50', + 'cornflowerblue' => '#6495ed', + 'cornsilk' => '#fff8dc', + 'crimson' => '#dc143c', + 'cyan' => '#00ffff', + 'darkblue' => '#00008b', + 'darkcyan' => '#008b8b', + 'darkgoldenrod' => '#b8860b', + 'darkgray' => '#a9a9a9', + 'darkgrey' => '#a9a9a9', + 'darkgreen' => '#006400', + 'darkkhaki' => '#bdb76b', + 'darkmagenta' => '#8b008b', + 'darkolivegreen' => '#556b2f', + 'darkorange' => '#ff8c00', + 'darkorchid' => '#9932cc', + 'darkred' => '#8b0000', + 'darksalmon' => '#e9967a', + 'darkseagreen' => '#8fbc8f', + 'darkslateblue' => '#483d8b', + 'darkslategray' => '#2f4f4f', + 'darkslategrey' => '#2f4f4f', + 'darkturquoise' => '#00ced1', + 'darkviolet' => '#9400d3', + 'deeppink' => '#ff1493', + 'deepskyblue' => '#00bfff', + 'dimgray' => '#696969', + 'dimgrey' => '#696969', + 'dodgerblue' => '#1e90ff', + 'firebrick' => '#b22222', + 'floralwhite' => '#fffaf0', + 'forestgreen' => '#228b22', + 'fuchsia' => '#ff00ff', + 'gainsboro' => '#dcdcdc', + 'ghostwhite' => '#f8f8ff', + 'gold' => '#ffd700', + 'goldenrod' => '#daa520', + 'gray' => '#808080', + 'grey' => '#808080', + 'green' => '#008000', + 'greenyellow' => '#adff2f', + 'honeydew' => '#f0fff0', + 'hotpink' => '#ff69b4', + 'indianred' => '#cd5c5c', + 'indigo' => '#4b0082', + 'ivory' => '#fffff0', + 'khaki' => '#f0e68c', + 'lavender' => '#e6e6fa', + 'lavenderblush' => '#fff0f5', + 'lawngreen' => '#7cfc00', + 'lemonchiffon' => '#fffacd', + 'lightblue' => '#add8e6', + 'lightcoral' => '#f08080', + 'lightcyan' => '#e0ffff', + 'lightgoldenrodyellow' => '#fafad2', + 'lightgray' => '#d3d3d3', + 'lightgrey' => '#d3d3d3', + 'lightgreen' => '#90ee90', + 'lightpink' => '#ffb6c1', + 'lightsalmon' => '#ffa07a', + 'lightseagreen' => '#20b2aa', + 'lightskyblue' => '#87cefa', + 'lightslategray' => '#778899', + 'lightslategrey' => '#778899', + 'lightsteelblue' => '#b0c4de', + 'lightyellow' => '#ffffe0', + 'lime' => '#00ff00', + 'limegreen' => '#32cd32', + 'linen' => '#faf0e6', + 'magenta' => '#ff00ff', + 'maroon' => '#800000', + 'mediumaquamarine' => '#66cdaa', + 'mediumblue' => '#0000cd', + 'mediumorchid' => '#ba55d3', + 'mediumpurple' => '#9370d8', + 'mediumseagreen' => '#3cb371', + 'mediumslateblue' => '#7b68ee', + 'mediumspringgreen' => '#00fa9a', + 'mediumturquoise' => '#48d1cc', + 'mediumvioletred' => '#c71585', + 'midnightblue' => '#191970', + 'mintcream' => '#f5fffa', + 'mistyrose' => '#ffe4e1', + 'moccasin' => '#ffe4b5', + 'navajowhite' => '#ffdead', + 'navy' => '#000080', + 'oldlace' => '#fdf5e6', + 'olive' => '#808000', + 'olivedrab' => '#6b8e23', + 'orange' => '#ffa500', + 'orangered' => '#ff4500', + 'orchid' => '#da70d6', + 'palegoldenrod' => '#eee8aa', + 'palegreen' => '#98fb98', + 'paleturquoise' => '#afeeee', + 'palevioletred' => '#d87093', + 'papayawhip' => '#ffefd5', + 'peachpuff' => '#ffdab9', + 'peru' => '#cd853f', + 'pink' => '#ffc0cb', + 'plum' => '#dda0dd', + 'powderblue' => '#b0e0e6', + 'purple' => '#800080', + 'red' => '#ff0000', + 'rosybrown' => '#bc8f8f', + 'royalblue' => '#4169e1', + 'saddlebrown' => '#8b4513', + 'salmon' => '#fa8072', + 'sandybrown' => '#f4a460', + 'seagreen' => '#2e8b57', + 'seashell' => '#fff5ee', + 'sienna' => '#a0522d', + 'silver' => '#c0c0c0', + 'skyblue' => '#87ceeb', + 'slateblue' => '#6a5acd', + 'slategray' => '#708090', + 'slategrey' => '#708090', + 'snow' => '#fffafa', + 'springgreen' => '#00ff7f', + 'steelblue' => '#4682b4', + 'tan' => '#d2b48c', + 'teal' => '#008080', + 'thistle' => '#d8bfd8', + 'tomato' => '#ff6347', + 'turquoise' => '#40e0d0', + 'violet' => '#ee82ee', + 'wheat' => '#f5deb3', + 'white' => '#ffffff', + 'whitesmoke' => '#f5f5f5', + 'yellow' => '#ffff00', + 'yellowgreen' => '#9acd32', + ]; + + /** + * @param string $color + * @return bool + */ + public static function hasOwnProperty( string $color ): bool { + return isset( self::COLORS[$color] ); + } + + /** + * @param string $color Should be an existing color name, + * checked via hasOwnProperty() + * @return string the corresponding hexadecimal representation + */ + public static function color( string $color ): string { + return self::COLORS[$color]; + } + +} diff --git a/vendor/wikimedia/less.php/lib/Less/Configurable.php b/vendor/wikimedia/less.php/lib/Less/Configurable.php new file mode 100644 index 0000000..ec16d80 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Configurable.php @@ -0,0 +1,60 @@ +<?php +/** + * @private + */ +abstract class Less_Configurable { + + /** + * Array of options + * + * @var array + */ + protected $options = []; + + /** + * Array of default options + * + * @var array + */ + protected $defaultOptions = []; + + /** + * Set options + * + * If $options is an object it will be converted into an array by called + * it's toArray method. + * + * @param array|object $options + */ + public function setOptions( $options ) { + $options = array_intersect_key( $options, $this->defaultOptions ); + $this->options = array_merge( $this->defaultOptions, $this->options, $options ); + } + + /** + * Get an option value by name + * + * If the option is empty or not set a NULL value will be returned. + * + * @param string $name + * @param mixed $default Default value if confiuration of $name is not present + * @return mixed + */ + public function getOption( $name, $default = null ) { + if ( isset( $this->options[$name] ) ) { + return $this->options[$name]; + } + return $default; + } + + /** + * Set an option + * + * @param string $name + * @param mixed $value + */ + public function setOption( $name, $value ) { + $this->options[$name] = $value; + } + +} diff --git a/vendor/wikimedia/less.php/lib/Less/Environment.php b/vendor/wikimedia/less.php/lib/Less/Environment.php new file mode 100644 index 0000000..bfc3825 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Environment.php @@ -0,0 +1,153 @@ +<?php +/** + * @private + */ +class Less_Environment { + + /** + * Information about the current file - for error reporting and importing and making urls relative etc. + * + * - rootpath: rootpath to append to URLs + * + * @var array|null $currentFileInfo; + */ + public $currentFileInfo; + + /* Whether we are currently importing multiple copies */ + public $importMultiple = false; + + /** + * @var array + */ + public $frames = []; + + /** + * @var array + */ + public $mediaBlocks = []; + + /** + * @var array + */ + public $mediaPath = []; + + public static $parensStack = 0; + + public static $tabLevel = 0; + + public static $lastRule = false; + + public static $_outputMap; + + public static $mixin_stack = 0; + + /** + * @var array + */ + public $functions = []; + + public function Init() { + self::$parensStack = 0; + self::$tabLevel = 0; + self::$lastRule = false; + self::$mixin_stack = 0; + + if ( Less_Parser::$options['compress'] ) { + + self::$_outputMap = [ + ',' => ',', + ': ' => ':', + '' => '', + ' ' => ' ', + ':' => ' :', + '+' => '+', + '~' => '~', + '>' => '>', + '|' => '|', + '^' => '^', + '^^' => '^^' + ]; + + } else { + + self::$_outputMap = [ + ',' => ', ', + ': ' => ': ', + '' => '', + ' ' => ' ', + ':' => ' :', + '+' => ' + ', + '~' => ' ~ ', + '>' => ' > ', + '|' => '|', + '^' => ' ^ ', + '^^' => ' ^^ ' + ]; + + } + } + + public function copyEvalEnv( $frames = [] ) { + $new_env = new Less_Environment(); + $new_env->frames = $frames; + return $new_env; + } + + public static function isMathOn() { + return !Less_Parser::$options['strictMath'] || self::$parensStack; + } + + public static function isPathRelative( $path ) { + return !preg_match( '/^(?:[a-z-]+:|\/)/', $path ); + } + + /** + * Canonicalize a path by resolving references to '/./', '/../' + * Does not remove leading "../" + * @param string $path or url + * @return string Canonicalized path + */ + public static function normalizePath( $path ) { + $segments = explode( '/', $path ); + $segments = array_reverse( $segments ); + + $path = []; + $path_len = 0; + + while ( $segments ) { + $segment = array_pop( $segments ); + switch ( $segment ) { + + case '.': + break; + + case '..': + // @phan-suppress-next-line PhanTypeInvalidDimOffset False positive + if ( !$path_len || ( $path[$path_len - 1] === '..' ) ) { + $path[] = $segment; + $path_len++; + } else { + array_pop( $path ); + $path_len--; + } + break; + + default: + $path[] = $segment; + $path_len++; + break; + } + } + + return implode( '/', $path ); + } + + public function unshiftFrame( $frame ) { + array_unshift( $this->frames, $frame ); + } + + public function shiftFrame() { + return array_shift( $this->frames ); + } + +} diff --git a/vendor/wikimedia/less.php/lib/Less/Exception/Chunk.php b/vendor/wikimedia/less.php/lib/Less/Exception/Chunk.php new file mode 100644 index 0000000..8071eb8 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Exception/Chunk.php @@ -0,0 +1,199 @@ +<?php +/** + * @private + */ +class Less_Exception_Chunk extends Less_Exception_Parser { + + protected $parserCurrentIndex = 0; + + protected $emitFrom = 0; + + protected $input_len; + + /** + * @param string $input + * @param Exception|null $previous Previous exception + * @param int|null $index The current parser index + * @param array|null $currentFile The file + * @param int $code The exception code + */ + public function __construct( $input, Exception $previous = null, $index = null, $currentFile = null, $code = 0 ) { + $this->message = 'ParseError: Unexpected input'; // default message + + $this->index = $index; + + $this->currentFile = $currentFile; + + $this->input = $input; + $this->input_len = strlen( $input ); + + $this->Chunks(); + $this->genMessage(); + } + + /** + * See less.js chunks() + * We don't actually need the chunks + */ + protected function Chunks() { + $level = 0; + $parenLevel = 0; + $lastMultiCommentEndBrace = null; + $lastOpening = null; + $lastMultiComment = null; + $lastParen = null; + + for ( $this->parserCurrentIndex = 0; $this->parserCurrentIndex < $this->input_len; $this->parserCurrentIndex++ ) { + $cc = $this->CharCode( $this->parserCurrentIndex ); + if ( ( ( $cc >= 97 ) && ( $cc <= 122 ) ) || ( $cc < 34 ) ) { + // a-z or whitespace + continue; + } + + switch ( $cc ) { + + // ( + case 40: + $parenLevel++; + $lastParen = $this->parserCurrentIndex; + break; + + // ) + case 41: + $parenLevel--; + if ( $parenLevel < 0 ) { + return $this->fail( "missing opening `(`" ); + } + break; + + // ; + case 59: + // if (!$parenLevel) { $this->emitChunk(); } + break; + + // { + case 123: + $level++; + $lastOpening = $this->parserCurrentIndex; + break; + + // } + case 125: + $level--; + if ( $level < 0 ) { + return $this->fail( "missing opening `{`" ); + + } + // if (!$level && !$parenLevel) { $this->emitChunk(); } + break; + // \ + case 92: + if ( $this->parserCurrentIndex < $this->input_len - 1 ) { + $this->parserCurrentIndex++; + break; + } + return $this->fail( "unescaped `\\`" ); + + // ", ' and ` + case 34: + case 39: + case 96: + $matched = 0; + $currentChunkStartIndex = $this->parserCurrentIndex; + for ( $this->parserCurrentIndex += 1; $this->parserCurrentIndex < $this->input_len; $this->parserCurrentIndex++ ) { + $cc2 = $this->CharCode( $this->parserCurrentIndex ); + if ( $cc2 > 96 ) { continue; + } + if ( $cc2 == $cc ) { $matched = 1; +break; + } + if ( $cc2 == 92 ) { // \ + if ( $this->parserCurrentIndex == $this->input_len - 1 ) { + return $this->fail( "unescaped `\\`" ); + } + $this->parserCurrentIndex++; + } + } + if ( $matched ) { break; + } + return $this->fail( "unmatched `" . chr( $cc ) . "`", $currentChunkStartIndex ); + + // /, check for comment + case 47: + if ( $parenLevel || ( $this->parserCurrentIndex == $this->input_len - 1 ) ) { break; + } + $cc2 = $this->CharCode( $this->parserCurrentIndex + 1 ); + if ( $cc2 == 47 ) { + // //, find lnfeed + for ( $this->parserCurrentIndex += 2; $this->parserCurrentIndex < $this->input_len; $this->parserCurrentIndex++ ) { + $cc2 = $this->CharCode( $this->parserCurrentIndex ); + if ( ( $cc2 <= 13 ) && ( ( $cc2 == 10 ) || ( $cc2 == 13 ) ) ) { break; + } + } + } elseif ( $cc2 == 42 ) { + // /*, find */ + $lastMultiComment = $currentChunkStartIndex = $this->parserCurrentIndex; + for ( $this->parserCurrentIndex += 2; $this->parserCurrentIndex < $this->input_len - 1; $this->parserCurrentIndex++ ) { + $cc2 = $this->CharCode( $this->parserCurrentIndex ); + if ( $cc2 == 125 ) { $lastMultiCommentEndBrace = $this->parserCurrentIndex; + } + if ( $cc2 != 42 ) { continue; + } + if ( $this->CharCode( $this->parserCurrentIndex + 1 ) == 47 ) { break; + } + } + if ( $this->parserCurrentIndex == $this->input_len - 1 ) { + return $this->fail( "missing closing `*/`", $currentChunkStartIndex ); + } + } + break; + + // *, check for unmatched */ + case 42: + if ( ( $this->parserCurrentIndex < $this->input_len - 1 ) && ( $this->CharCode( $this->parserCurrentIndex + 1 ) == 47 ) ) { + return $this->fail( "unmatched `/*`" ); + } + break; + } + } + + if ( $level !== 0 ) { + if ( ( $lastMultiComment > $lastOpening ) && ( $lastMultiCommentEndBrace > $lastMultiComment ) ) { + return $this->fail( "missing closing `}` or `*/`", $lastOpening ); + } else { + return $this->fail( "missing closing `}`", $lastOpening ); + } + } elseif ( $parenLevel !== 0 ) { + return $this->fail( "missing closing `)`", $lastParen ); + } + + // chunk didn't fail + + //$this->emitChunk(true); + } + + public function CharCode( $pos ) { + return ord( $this->input[$pos] ); + } + + public function fail( $msg, $index = null ) { + if ( !$index ) { + $this->index = $this->parserCurrentIndex; + } else { + $this->index = $index; + } + $this->message = 'ParseError: ' . $msg; + } + + /* + function emitChunk( $force = false ){ + $len = $this->parserCurrentIndex - $this->emitFrom; + if ((($len < 512) && !$force) || !$len) { + return; + } + $chunks[] = substr($this->input, $this->emitFrom, $this->parserCurrentIndex + 1 - $this->emitFrom ); + $this->emitFrom = $this->parserCurrentIndex + 1; + } + */ + +} diff --git a/vendor/wikimedia/less.php/lib/Less/Exception/Compiler.php b/vendor/wikimedia/less.php/lib/Less/Exception/Compiler.php new file mode 100644 index 0000000..e963b69 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Exception/Compiler.php @@ -0,0 +1,8 @@ +<?php + +/** + * Compiler Exception + */ +class Less_Exception_Compiler extends Less_Exception_Parser { + +} diff --git a/vendor/wikimedia/less.php/lib/Less/Exception/Parser.php b/vendor/wikimedia/less.php/lib/Less/Exception/Parser.php new file mode 100644 index 0000000..22d9d19 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Exception/Parser.php @@ -0,0 +1,103 @@ +<?php + +/** + * Parser Exception + */ +class Less_Exception_Parser extends Exception { + + /** + * The current file + * + * @var array + */ + public $currentFile; + + /** + * The current parser index + * + * @var int + */ + public $index; + + protected $input; + + protected $details = []; + + /** + * @param string|null $message + * @param Exception|null $previous Previous exception + * @param int|null $index The current parser index + * @param array|null $currentFile The file + * @param int $code The exception code + */ + public function __construct( $message = null, Exception $previous = null, $index = null, $currentFile = null, $code = 0 ) { + parent::__construct( $message, $code, $previous ); + + $this->currentFile = $currentFile; + $this->index = $index; + + $this->genMessage(); + } + + protected function getInput() { + if ( !$this->input && $this->currentFile && $this->currentFile['filename'] && file_exists( $this->currentFile['filename'] ) ) { + $this->input = file_get_contents( $this->currentFile['filename'] ); + } + } + + /** + * Set a message based on the exception info + */ + public function genMessage() { + if ( $this->currentFile && $this->currentFile['filename'] ) { + $this->message .= ' in ' . basename( $this->currentFile['filename'] ); + } + + if ( $this->index !== null ) { + $this->getInput(); + if ( $this->input ) { + $line = self::getLineNumber(); + $this->message .= ' on line ' . $line . ', column ' . self::getColumn(); + + $lines = explode( "\n", $this->input ); + + $count = count( $lines ); + $start_line = max( 0, $line - 3 ); + $last_line = min( $count, $start_line + 6 ); + $num_len = strlen( $last_line ); + for ( $i = $start_line; $i < $last_line; $i++ ) { + $this->message .= "\n" . str_pad( (string)( $i + 1 ), $num_len, '0', STR_PAD_LEFT ) . '| ' . $lines[$i]; + } + } + } + } + + /** + * Returns the line number the error was encountered + * + * @return int + */ + public function getLineNumber() { + if ( $this->index ) { + // https://bugs.php.net/bug.php?id=49790 + if ( ini_get( "mbstring.func_overload" ) ) { + return substr_count( substr( $this->input, 0, $this->index ), "\n" ) + 1; + } else { + return substr_count( $this->input, "\n", 0, $this->index ) + 1; + } + } + return 1; + } + + /** + * Returns the column the error was encountered + * + * @return int + */ + public function getColumn() { + $part = substr( $this->input, 0, $this->index ); + $pos = strrpos( $part, "\n" ); + return $this->index - $pos; + } + +} diff --git a/vendor/wikimedia/less.php/lib/Less/Functions.php b/vendor/wikimedia/less.php/lib/Less/Functions.php new file mode 100644 index 0000000..43a964c --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Functions.php @@ -0,0 +1,1222 @@ +<?php + +/** + * Builtin functions + * @see https://lesscss.org/functions/ + */ +class Less_Functions { + + public $env; + public $currentFileInfo; + + function __construct( $env, array $currentFileInfo = null ) { + $this->env = $env; + $this->currentFileInfo = $currentFileInfo; + } + + /** + * @param string $op + * @param float $a + * @param float $b + */ + public static function operate( $op, $a, $b ) { + switch ( $op ) { + case '+': + return $a + $b; + case '-': + return $a - $b; + case '*': + return $a * $b; + case '/': + return $a / $b; + } + } + + public static function clamp( $val, $max = 1 ) { + return min( max( $val, 0 ), $max ); + } + + public static function fround( $value ) { + if ( $value === 0 ) { + return $value; + } + + if ( Less_Parser::$options['numPrecision'] ) { + $p = pow( 10, Less_Parser::$options['numPrecision'] ); + return round( $value * $p ) / $p; + } + return $value; + } + + public static function number( $n ) { + if ( $n instanceof Less_Tree_Dimension ) { + return floatval( $n->unit->is( '%' ) ? $n->value / 100 : $n->value ); + } elseif ( is_numeric( $n ) ) { + return $n; + } else { + throw new Less_Exception_Compiler( "color functions take numbers as parameters" ); + } + } + + public static function scaled( $n, $size = 255 ) { + if ( $n instanceof Less_Tree_Dimension && $n->unit->is( '%' ) ) { + return (float)$n->value * $size / 100; + } else { + return self::number( $n ); + } + } + + public function rgb( $r = null, $g = null, $b = null ) { + if ( $r === null || $g === null || $b === null ) { + throw new Less_Exception_Compiler( "rgb expects three parameters" ); + } + return $this->rgba( $r, $g, $b, 1.0 ); + } + + public function rgba( $r = null, $g = null, $b = null, $a = null ) { + $rgb = [ $r, $g, $b ]; + $rgb = array_map( [ 'Less_Functions','scaled' ], $rgb ); + + $a = self::number( $a ); + return new Less_Tree_Color( $rgb, $a ); + } + + public function hsl( $h, $s, $l ) { + return $this->hsla( $h, $s, $l, 1.0 ); + } + + public function hsla( $h, $s, $l, $a ) { + $h = fmod( self::number( $h ), 360 ) / 360; // Classic % operator will change float to int + $s = self::clamp( self::number( $s ) ); + $l = self::clamp( self::number( $l ) ); + $a = self::clamp( self::number( $a ) ); + + $m2 = $l <= 0.5 ? $l * ( $s + 1 ) : $l + $s - $l * $s; + + $m1 = $l * 2 - $m2; + + return $this->rgba( + self::hsla_hue( $h + 1 / 3, $m1, $m2 ) * 255, + self::hsla_hue( $h, $m1, $m2 ) * 255, + self::hsla_hue( $h - 1 / 3, $m1, $m2 ) * 255, + $a + ); + } + + /** + * @param float $h + * @param float $m1 + * @param float $m2 + */ + public function hsla_hue( $h, $m1, $m2 ) { + $h = $h < 0 ? $h + 1 : ( $h > 1 ? $h - 1 : $h ); + if ( $h * 6 < 1 ) { + return $m1 + ( $m2 - $m1 ) * $h * 6; + } elseif ( $h * 2 < 1 ) { + return $m2; + } elseif ( $h * 3 < 2 ) { + return $m1 + ( $m2 - $m1 ) * ( 2 / 3 - $h ) * 6; + } else { + return $m1; + } + } + + public function hsv( $h, $s, $v ) { + return $this->hsva( $h, $s, $v, 1.0 ); + } + + /** + * @param Less_Tree|float $h + * @param Less_Tree|float $s + * @param Less_Tree|float $v + * @param float $a + */ + public function hsva( $h, $s, $v, $a ) { + $h = ( ( self::number( $h ) % 360 ) / 360 ) * 360; + $s = self::number( $s ); + $v = self::number( $v ); + $a = self::number( $a ); + + $i = floor( (int)( $h / 60 ) % 6 ); + $f = ( $h / 60 ) - $i; + + $vs = [ + $v, + $v * ( 1 - $s ), + $v * ( 1 - $f * $s ), + $v * ( 1 - ( 1 - $f ) * $s ) + ]; + + $perm = [ + [ 0, 3, 1 ], + [ 2, 0, 1 ], + [ 1, 0, 3 ], + [ 1, 2, 0 ], + [ 3, 1, 0 ], + [ 0, 1, 2 ] + ]; + + return $this->rgba( + $vs[$perm[$i][0]] * 255, + $vs[$perm[$i][1]] * 255, + $vs[$perm[$i][2]] * 255, + $a + ); + } + + public function hue( $color = null ) { + if ( !$color instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The first argument to hue must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + + $c = $color->toHSL(); + return new Less_Tree_Dimension( Less_Parser::round( $c['h'] ) ); + } + + public function saturation( $color = null ) { + if ( !$color instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The first argument to saturation must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + + $c = $color->toHSL(); + return new Less_Tree_Dimension( Less_Parser::round( $c['s'] * 100 ), '%' ); + } + + public function lightness( $color = null ) { + if ( !$color instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The first argument to lightness must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + + $c = $color->toHSL(); + return new Less_Tree_Dimension( Less_Parser::round( $c['l'] * 100 ), '%' ); + } + + public function hsvhue( $color = null ) { + if ( !$color instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The first argument to hsvhue must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + + $hsv = $color->toHSV(); + return new Less_Tree_Dimension( Less_Parser::round( $hsv['h'] ) ); + } + + public function hsvsaturation( $color = null ) { + if ( !$color instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The first argument to hsvsaturation must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + + $hsv = $color->toHSV(); + return new Less_Tree_Dimension( Less_Parser::round( $hsv['s'] * 100 ), '%' ); + } + + public function hsvvalue( $color = null ) { + if ( !$color instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The first argument to hsvvalue must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + + $hsv = $color->toHSV(); + return new Less_Tree_Dimension( Less_Parser::round( $hsv['v'] * 100 ), '%' ); + } + + public function red( $color = null ) { + if ( !$color instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The first argument to red must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + + return new Less_Tree_Dimension( $color->rgb[0] ); + } + + public function green( $color = null ) { + if ( !$color instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The first argument to green must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + + return new Less_Tree_Dimension( $color->rgb[1] ); + } + + public function blue( $color = null ) { + if ( !$color instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The first argument to blue must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + + return new Less_Tree_Dimension( $color->rgb[2] ); + } + + public function alpha( $color = null ) { + if ( !$color instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The first argument to alpha must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + + $c = $color->toHSL(); + return new Less_Tree_Dimension( $c['a'] ); + } + + public function luma( $color = null ) { + if ( !$color instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The first argument to luma must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + + return new Less_Tree_Dimension( Less_Parser::round( $color->luma() * $color->alpha * 100 ), '%' ); + } + + public function luminance( $color = null ) { + if ( !$color instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The first argument to luminance must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + + $luminance = + ( 0.2126 * $color->rgb[0] / 255 ) + + ( 0.7152 * $color->rgb[1] / 255 ) + + ( 0.0722 * $color->rgb[2] / 255 ); + + return new Less_Tree_Dimension( Less_Parser::round( $luminance * $color->alpha * 100 ), '%' ); + } + + public function saturate( $color = null, $amount = null ) { + // filter: saturate(3.2); + // should be kept as is, so check for color + if ( $color instanceof Less_Tree_Dimension ) { + return null; + } + + if ( !$color instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The first argument to saturate must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + if ( !$amount instanceof Less_Tree_Dimension ) { + throw new Less_Exception_Compiler( 'The second argument to saturate must be a percentage' . ( $amount instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + + $hsl = $color->toHSL(); + + $hsl['s'] += $amount->value / 100; + $hsl['s'] = self::clamp( $hsl['s'] ); + + return $this->hsla( $hsl['h'], $hsl['s'], $hsl['l'], $hsl['a'] ); + } + + /** + * @param Less_Tree_Color|null $color + * @param Less_Tree_Dimension|null $amount + */ + public function desaturate( $color = null, $amount = null ) { + if ( !$color instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The first argument to desaturate must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + if ( !$amount instanceof Less_Tree_Dimension ) { + throw new Less_Exception_Compiler( 'The second argument to desaturate must be a percentage' . ( $amount instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + + $hsl = $color->toHSL(); + $hsl['s'] -= $amount->value / 100; + $hsl['s'] = self::clamp( $hsl['s'] ); + + return $this->hsla( $hsl['h'], $hsl['s'], $hsl['l'], $hsl['a'] ); + } + + public function lighten( $color = null, $amount = null ) { + if ( !$color instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The first argument to lighten must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + if ( !$amount instanceof Less_Tree_Dimension ) { + throw new Less_Exception_Compiler( 'The second argument to lighten must be a percentage' . ( $amount instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + + $hsl = $color->toHSL(); + + $hsl['l'] += $amount->value / 100; + $hsl['l'] = self::clamp( $hsl['l'] ); + + return $this->hsla( $hsl['h'], $hsl['s'], $hsl['l'], $hsl['a'] ); + } + + public function darken( $color = null, $amount = null ) { + if ( !$color instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The first argument to darken must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + if ( !$amount instanceof Less_Tree_Dimension ) { + throw new Less_Exception_Compiler( 'The second argument to darken must be a percentage' . ( $amount instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + + $hsl = $color->toHSL(); + $hsl['l'] -= $amount->value / 100; + $hsl['l'] = self::clamp( $hsl['l'] ); + + return $this->hsla( $hsl['h'], $hsl['s'], $hsl['l'], $hsl['a'] ); + } + + public function fadein( $color = null, $amount = null ) { + if ( !$color instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The first argument to fadein must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + if ( !$amount instanceof Less_Tree_Dimension ) { + throw new Less_Exception_Compiler( 'The second argument to fadein must be a percentage' . ( $amount instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + + $hsl = $color->toHSL(); + $hsl['a'] += $amount->value / 100; + $hsl['a'] = self::clamp( $hsl['a'] ); + return $this->hsla( $hsl['h'], $hsl['s'], $hsl['l'], $hsl['a'] ); + } + + public function fadeout( $color = null, $amount = null ) { + if ( !$color instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The first argument to fadeout must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + if ( !$amount instanceof Less_Tree_Dimension ) { + throw new Less_Exception_Compiler( 'The second argument to fadeout must be a percentage' . ( $amount instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + + $hsl = $color->toHSL(); + $hsl['a'] -= $amount->value / 100; + $hsl['a'] = self::clamp( $hsl['a'] ); + return $this->hsla( $hsl['h'], $hsl['s'], $hsl['l'], $hsl['a'] ); + } + + public function fade( $color = null, $amount = null ) { + if ( !$color instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The first argument to fade must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + if ( !$amount instanceof Less_Tree_Dimension ) { + throw new Less_Exception_Compiler( 'The second argument to fade must be a percentage' . ( $amount instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + + $hsl = $color->toHSL(); + + $hsl['a'] = $amount->value / 100; + $hsl['a'] = self::clamp( $hsl['a'] ); + return $this->hsla( $hsl['h'], $hsl['s'], $hsl['l'], $hsl['a'] ); + } + + public function spin( $color = null, $amount = null ) { + if ( !$color instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The first argument to spin must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + if ( !$amount instanceof Less_Tree_Dimension ) { + throw new Less_Exception_Compiler( 'The second argument to spin must be a number' . ( $amount instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + + $hsl = $color->toHSL(); + $hue = fmod( $hsl['h'] + $amount->value, 360 ); + + $hsl['h'] = $hue < 0 ? 360 + $hue : $hue; + + return $this->hsla( $hsl['h'], $hsl['s'], $hsl['l'], $hsl['a'] ); + } + + // + // Copyright (c) 2006-2009 Hampton Catlin, Nathan Weizenbaum, and Chris Eppstein + // https://sass-lang.com/ + // + + /** + * @param Less_Tree|null $color1 + * @param Less_Tree|null $color2 + * @param Less_Tree|null $weight + */ + public function mix( $color1 = null, $color2 = null, $weight = null ) { + if ( !$color1 instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The first argument to mix must be a color' . ( $color1 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + if ( !$color2 instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The second argument to mix must be a color' . ( $color2 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + if ( !$weight ) { + $weight = new Less_Tree_Dimension( '50', '%' ); + } + if ( !$weight instanceof Less_Tree_Dimension ) { + throw new Less_Exception_Compiler( 'The third argument to contrast must be a percentage' . ( $weight instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + + $p = $weight->value / 100.0; + $w = $p * 2 - 1; + $hsl1 = $color1->toHSL(); + $hsl2 = $color2->toHSL(); + $a = $hsl1['a'] - $hsl2['a']; + + $w1 = ( ( ( ( $w * $a ) == -1 ) ? $w : ( $w + $a ) / ( 1 + $w * $a ) ) + 1 ) / 2; + $w2 = 1 - $w1; + + $rgb = [ + $color1->rgb[0] * $w1 + $color2->rgb[0] * $w2, + $color1->rgb[1] * $w1 + $color2->rgb[1] * $w2, + $color1->rgb[2] * $w1 + $color2->rgb[2] * $w2 + ]; + + $alpha = $color1->alpha * $p + $color2->alpha * ( 1 - $p ); + + return new Less_Tree_Color( $rgb, $alpha ); + } + + public function greyscale( $color ) { + return $this->desaturate( $color, new Less_Tree_Dimension( 100, '%' ) ); + } + + public function contrast( $color, $dark = null, $light = null, $threshold = null ) { + // filter: contrast(3.2); + // should be kept as is, so check for color + if ( !$color instanceof Less_Tree_Color ) { + return null; + } + if ( !$light ) { + $light = $this->rgba( 255, 255, 255, 1.0 ); + } + if ( !$dark ) { + $dark = $this->rgba( 0, 0, 0, 1.0 ); + } + + if ( !$dark instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The second argument to contrast must be a color' . ( $dark instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + if ( !$light instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The third argument to contrast must be a color' . ( $light instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + + // Figure out which is actually light and dark! + if ( $dark->luma() > $light->luma() ) { + $t = $light; + $light = $dark; + $dark = $t; + } + if ( !$threshold ) { + $threshold = 0.43; + } else { + $threshold = self::number( $threshold ); + } + + if ( $color->luma() < $threshold ) { + return $light; + } else { + return $dark; + } + } + + public function e( $str ) { + if ( is_string( $str ) ) { + return new Less_Tree_Anonymous( $str ); + } + return new Less_Tree_Anonymous( $str instanceof Less_Tree_JavaScript ? $str->expression : $str->value ); + } + + public function escape( $str ) { + $revert = [ '%21' => '!', '%2A' => '*', '%27' => "'",'%3F' => '?','%26' => '&','%2C' => ',','%2F' => '/','%40' => '@','%2B' => '+','%24' => '$' ]; + + return new Less_Tree_Anonymous( strtr( rawurlencode( $str->value ), $revert ) ); + } + + /** + * todo: This function will need some additional work to make it work the same as less.js + * + */ + public function replace( $string, $pattern, $replacement, $flags = null ) { + $result = $string->value; + + $expr = '/' . str_replace( '/', '\\/', $pattern->value ) . '/'; + if ( $flags && $flags->value ) { + $expr .= self::replace_flags( $flags->value ); + } + + $result = preg_replace( $expr, $replacement->value, $result ); + + if ( property_exists( $string, 'quote' ) ) { + return new Less_Tree_Quoted( $string->quote, $result, $string->escaped ); + } + return new Less_Tree_Quoted( '', $result ); + } + + public static function replace_flags( $flags ) { + $flags = str_split( $flags, 1 ); + $new_flags = ''; + + foreach ( $flags as $flag ) { + switch ( $flag ) { + case 'e': + case 'g': + break; + + default: + $new_flags .= $flag; + break; + } + } + + return $new_flags; + } + + public function _percent() { + $string = func_get_arg( 0 ); + + $args = func_get_args(); + array_shift( $args ); + $result = $string->value; + + foreach ( $args as $arg ) { + if ( preg_match( '/%[sda]/i', $result, $token ) ) { + $token = $token[0]; + $value = stristr( $token, 's' ) ? $arg->value : $arg->toCSS(); + $value = preg_match( '/[A-Z]$/', $token ) ? urlencode( $value ) : $value; + $result = preg_replace( '/%[sda]/i', $value, $result, 1 ); + } + } + $result = str_replace( '%%', '%', $result ); + + return new Less_Tree_Quoted( $string->quote, $result, $string->escaped ); + } + + public function unit( $val, $unit = null ) { + if ( !( $val instanceof Less_Tree_Dimension ) ) { + throw new Less_Exception_Compiler( 'The first argument to unit must be a number' . ( $val instanceof Less_Tree_Operation ? '. Have you forgotten parenthesis?' : '.' ) ); + } + + if ( $unit ) { + if ( $unit instanceof Less_Tree_Keyword ) { + $unit = $unit->value; + } else { + $unit = $unit->toCSS(); + } + } else { + $unit = ""; + } + return new Less_Tree_Dimension( $val->value, $unit ); + } + + public function convert( $val, $unit ) { + return $val->convertTo( $unit->value ); + } + + public function round( $n, $f = false ) { + $fraction = 0; + if ( $f !== false ) { + $fraction = $f->value; + } + + return $this->_math( 'Less_Parser::round', null, $n, $fraction ); + } + + public function pi() { + return new Less_Tree_Dimension( M_PI ); + } + + public function mod( $a, $b ) { + return new Less_Tree_Dimension( $a->value % $b->value, $a->unit ); + } + + public function pow( $x, $y ) { + if ( is_numeric( $x ) && is_numeric( $y ) ) { + $x = new Less_Tree_Dimension( $x ); + $y = new Less_Tree_Dimension( $y ); + } elseif ( !( $x instanceof Less_Tree_Dimension ) || !( $y instanceof Less_Tree_Dimension ) ) { + throw new Less_Exception_Compiler( 'Arguments must be numbers' ); + } + + return new Less_Tree_Dimension( pow( $x->value, $y->value ), $x->unit ); + } + + // var mathFunctions = [{name:"ce ... + public function ceil( $n ) { + return $this->_math( 'ceil', null, $n ); + } + + public function floor( $n ) { + return $this->_math( 'floor', null, $n ); + } + + public function sqrt( $n ) { + return $this->_math( 'sqrt', null, $n ); + } + + public function abs( $n ) { + return $this->_math( 'abs', null, $n ); + } + + public function tan( $n ) { + return $this->_math( 'tan', '', $n ); + } + + public function sin( $n ) { + return $this->_math( 'sin', '', $n ); + } + + public function cos( $n ) { + return $this->_math( 'cos', '', $n ); + } + + public function atan( $n ) { + return $this->_math( 'atan', 'rad', $n ); + } + + public function asin( $n ) { + return $this->_math( 'asin', 'rad', $n ); + } + + public function acos( $n ) { + return $this->_math( 'acos', 'rad', $n ); + } + + private function _math() { + $args = func_get_args(); + $fn = array_shift( $args ); + $unit = array_shift( $args ); + + if ( $args[0] instanceof Less_Tree_Dimension ) { + + if ( $unit === null ) { + $unit = $args[0]->unit; + } else { + $args[0] = $args[0]->unify(); + } + $args[0] = (float)$args[0]->value; + return new Less_Tree_Dimension( call_user_func_array( $fn, $args ), $unit ); + } elseif ( is_numeric( $args[0] ) ) { + return call_user_func_array( $fn, $args ); + } else { + throw new Less_Exception_Compiler( "math functions take numbers as parameters" ); + } + } + + /** + * @param bool $isMin + * @param array<Less_Tree> $args + */ + private function _minmax( $isMin, $args ) { + $arg_count = count( $args ); + + if ( $arg_count < 1 ) { + throw new Less_Exception_Compiler( 'one or more arguments required' ); + } + + $j = null; + $unitClone = null; + $unitStatic = null; + + // elems only contains original argument values. + $order = []; + // key is the unit.toString() for unified tree.Dimension values, + // value is the index into the order array. + $values = []; + + for ( $i = 0; $i < $arg_count; $i++ ) { + $current = $args[$i]; + if ( !( $current instanceof Less_Tree_Dimension ) ) { + // @phan-suppress-next-line PhanUndeclaredProperty Checked Less_Tree->value + if ( property_exists( $args[$i], 'value' ) && is_array( $args[$i]->value ) ) { + // @phan-suppress-next-line PhanUndeclaredProperty Checked Less_Tree->value + $args[] = $args[$i]->value; + } + continue; + } + // PhanTypeInvalidDimOffset -- False positive, safe after continue or non-first iterations + '@phan-var non-empty-list<Less_Tree_Dimension> $order'; + + if ( $current->unit->toString() === '' && !$unitClone ) { + $temp = new Less_Tree_Dimension( $current->value, $unitClone ); + $currentUnified = $temp->unify(); + } else { + $currentUnified = $current->unify(); + } + + if ( $currentUnified->unit->toString() === "" && !$unitStatic ) { + $unit = $unitStatic; + } else { + $unit = $currentUnified->unit->toString(); + } + + if ( $unit !== '' && !$unitStatic || $unit !== '' && $order[0]->unify()->unit->toString() === "" ) { + $unitStatic = $unit; + } + + if ( $unit != '' && !$unitClone ) { + $unitClone = $current->unit->toString(); + } + + if ( isset( $values[''] ) && $unit !== '' && $unit === $unitStatic ) { + $j = $values['']; + } elseif ( isset( $values[$unit] ) ) { + $j = $values[$unit]; + } else { + + if ( $unitStatic && $unit !== $unitStatic ) { + throw new Less_Exception_Compiler( 'incompatible types' ); + } + $values[$unit] = count( $order ); + $order[] = $current; + continue; + } + + if ( $order[$j]->unit->toString() === "" && $unitClone ) { + $temp = new Less_Tree_Dimension( $order[$j]->value, $unitClone ); + $referenceUnified = $temp->unify(); + } else { + $referenceUnified = $order[$j]->unify(); + } + if ( ( $isMin && $currentUnified->value < $referenceUnified->value ) || ( !$isMin && $currentUnified->value > $referenceUnified->value ) ) { + $order[$j] = $current; + } + } + + if ( count( $order ) == 1 ) { + return $order[0]; + } + $args = []; + foreach ( $order as $a ) { + $args[] = $a->toCSS(); + } + return new Less_Tree_Anonymous( ( $isMin ? 'min(' : 'max(' ) . implode( Less_Environment::$_outputMap[','], $args ) . ')' ); + } + + public function min() { + $args = func_get_args(); + return $this->_minmax( true, $args ); + } + + public function max() { + $args = func_get_args(); + return $this->_minmax( false, $args ); + } + + public function getunit( $n ) { + return new Less_Tree_Anonymous( $n->unit ); + } + + public function argb( $color ) { + if ( !$color instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The first argument to argb must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + + return new Less_Tree_Anonymous( $color->toARGB() ); + } + + public function percentage( $n ) { + return new Less_Tree_Dimension( $n->value * 100, '%' ); + } + + public function color( $n ) { + if ( $n instanceof Less_Tree_Quoted ) { + $colorCandidate = $n->value; + $returnColor = Less_Tree_Color::fromKeyword( $colorCandidate ); + if ( $returnColor ) { + return $returnColor; + } + if ( preg_match( '/^#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})/', $colorCandidate ) ) { + return new Less_Tree_Color( substr( $colorCandidate, 1 ) ); + } + throw new Less_Exception_Compiler( "argument must be a color keyword or 3/6 digit hex e.g. #FFF" ); + } else { + throw new Less_Exception_Compiler( "argument must be a string" ); + } + } + + public function iscolor( $n ) { + return $this->_isa( $n, 'Less_Tree_Color' ); + } + + public function isnumber( $n ) { + return $this->_isa( $n, 'Less_Tree_Dimension' ); + } + + public function isstring( $n ) { + return $this->_isa( $n, 'Less_Tree_Quoted' ); + } + + public function iskeyword( $n ) { + return $this->_isa( $n, 'Less_Tree_Keyword' ); + } + + public function isurl( $n ) { + return $this->_isa( $n, 'Less_Tree_Url' ); + } + + public function ispixel( $n ) { + return $this->isunit( $n, 'px' ); + } + + public function ispercentage( $n ) { + return $this->isunit( $n, '%' ); + } + + public function isem( $n ) { + return $this->isunit( $n, 'em' ); + } + + /** + * @param Less_Tree $n + * @param Less_Tree|string $unit + */ + public function isunit( $n, $unit ) { + if ( is_object( $unit ) && property_exists( $unit, 'value' ) ) { + // @phan-suppress-next-line PhanUndeclaredProperty Checked Less_Tree->value + $unit = $unit->value; + } + + return ( $n instanceof Less_Tree_Dimension ) && $n->unit->is( $unit ) ? new Less_Tree_Keyword( 'true' ) : new Less_Tree_Keyword( 'false' ); + } + + /** + * @param Less_Tree $n + * @param string $type + */ + private function _isa( $n, $type ) { + return is_a( $n, $type ) ? new Less_Tree_Keyword( 'true' ) : new Less_Tree_Keyword( 'false' ); + } + + public function tint( $color, $amount = null ) { + return $this->mix( $this->rgb( 255, 255, 255 ), $color, $amount ); + } + + public function shade( $color, $amount = null ) { + return $this->mix( $this->rgb( 0, 0, 0 ), $color, $amount ); + } + + public function extract( $values, $index ) { + $index = (int)$index->value - 1; // (1-based index) + // handle non-array values as an array of length 1 + // return 'undefined' if index is invalid + if ( property_exists( $values, 'value' ) && is_array( $values->value ) ) { + if ( isset( $values->value[$index] ) ) { + return $values->value[$index]; + } + return null; + + } elseif ( (int)$index === 0 ) { + return $values; + } + + return null; + } + + public function length( $values ) { + $n = ( property_exists( $values, 'value' ) && is_array( $values->value ) ) ? count( $values->value ) : 1; + return new Less_Tree_Dimension( $n ); + } + + public function datauri( $mimetypeNode, $filePathNode = null ) { + $filePath = ( $filePathNode ? $filePathNode->value : null ); + $mimetype = $mimetypeNode->value; + + $args = 2; + if ( !$filePath ) { + $filePath = $mimetype; + $args = 1; + } + + $filePath = str_replace( '\\', '/', $filePath ); + if ( Less_Environment::isPathRelative( $filePath ) ) { + $currentFileInfo = $this->currentFileInfo; + '@phan-var array $currentFileInfo'; + if ( Less_Parser::$options['relativeUrls'] ) { + $temp = $currentFileInfo['currentDirectory']; + } else { + $temp = $currentFileInfo['entryPath']; + } + + if ( !empty( $temp ) ) { + $filePath = Less_Environment::normalizePath( rtrim( $temp, '/' ) . '/' . $filePath ); + } + + } + + // detect the mimetype if not given + if ( $args < 2 ) { + + /* incomplete + $mime = require('mime'); + mimetype = mime.lookup(path); + + // use base 64 unless it's an ASCII or UTF-8 format + var charset = mime.charsets.lookup(mimetype); + useBase64 = ['US-ASCII', 'UTF-8'].indexOf(charset) < 0; + if (useBase64) mimetype += ';base64'; + */ + + $mimetype = Less_Mime::lookup( $filePath ); + + $charset = Less_Mime::charsets_lookup( $mimetype ); + $useBase64 = !in_array( $charset, [ 'US-ASCII', 'UTF-8' ] ); + if ( $useBase64 ) { $mimetype .= ';base64'; + } + + } else { + $useBase64 = preg_match( '/;base64$/', $mimetype ); + } + + if ( file_exists( $filePath ) ) { + $buf = @file_get_contents( $filePath ); + } else { + $buf = false; + } + + // IE8 cannot handle a data-uri larger than 32KB. If this is exceeded + // and the --ieCompat flag is enabled, return a normal url() instead. + $DATA_URI_MAX_KB = 32; + $fileSizeInKB = round( strlen( $buf ) / 1024 ); + if ( $fileSizeInKB >= $DATA_URI_MAX_KB ) { + $url = new Less_Tree_Url( ( $filePathNode ?: $mimetypeNode ), $this->currentFileInfo ); + return $url->compile( $this->env ); + } + + if ( $buf ) { + $buf = $useBase64 ? base64_encode( $buf ) : rawurlencode( $buf ); + $filePath = '"data:' . $mimetype . ',' . $buf . '"'; + } + + return new Less_Tree_Url( new Less_Tree_Anonymous( $filePath ) ); + } + + // svg-gradient + public function svggradient( $direction ) { + $throw_message = 'svg-gradient expects direction, start_color [start_position], [color position,]..., end_color [end_position]'; + $arguments = func_get_args(); + + if ( count( $arguments ) < 3 ) { + throw new Less_Exception_Compiler( $throw_message ); + } + + $stops = array_slice( $arguments, 1 ); + $gradientType = 'linear'; + $rectangleDimension = 'x="0" y="0" width="1" height="1"'; + $useBase64 = true; + $directionValue = $direction->toCSS(); + + switch ( $directionValue ) { + case "to bottom": + $gradientDirectionSvg = 'x1="0%" y1="0%" x2="0%" y2="100%"'; + break; + case "to right": + $gradientDirectionSvg = 'x1="0%" y1="0%" x2="100%" y2="0%"'; + break; + case "to bottom right": + $gradientDirectionSvg = 'x1="0%" y1="0%" x2="100%" y2="100%"'; + break; + case "to top right": + $gradientDirectionSvg = 'x1="0%" y1="100%" x2="100%" y2="0%"'; + break; + case "ellipse": + case "ellipse at center": + $gradientType = "radial"; + $gradientDirectionSvg = 'cx="50%" cy="50%" r="75%"'; + $rectangleDimension = 'x="-50" y="-50" width="101" height="101"'; + break; + default: + throw new Less_Exception_Compiler( "svg-gradient direction must be 'to bottom', 'to right', 'to bottom right', 'to top right' or 'ellipse at center'" ); + } + + $returner = '<?xml version="1.0" ?>' . + '<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="100%" height="100%" viewBox="0 0 1 1" preserveAspectRatio="none">' . + '<' . $gradientType . 'Gradient id="gradient" gradientUnits="userSpaceOnUse" ' . $gradientDirectionSvg . '>'; + + for ( $i = 0; $i < count( $stops ); $i++ ) { + if ( is_object( $stops[$i] ) && property_exists( $stops[$i], 'value' ) ) { + $color = $stops[$i]->value[0]; + $position = $stops[$i]->value[1]; + } else { + $color = $stops[$i]; + $position = null; + } + + if ( !( $color instanceof Less_Tree_Color ) || ( !( ( $i === 0 || $i + 1 === count( $stops ) ) && $position === null ) && !( $position instanceof Less_Tree_Dimension ) ) ) { + throw new Less_Exception_Compiler( $throw_message ); + } + if ( $position ) { + $positionValue = $position->toCSS(); + } elseif ( $i === 0 ) { + $positionValue = '0%'; + } else { + $positionValue = '100%'; + } + $alpha = $color->alpha; + $returner .= '<stop offset="' . $positionValue . '" stop-color="' . $color->toRGB() . '"' . ( $alpha < 1 ? ' stop-opacity="' . $alpha . '"' : '' ) . '/>'; + } + + $returner .= '</' . $gradientType . 'Gradient><rect ' . $rectangleDimension . ' fill="url(#gradient)" /></svg>'; + + if ( $useBase64 ) { + $returner = "'data:image/svg+xml;base64," . base64_encode( $returner ) . "'"; + } else { + $returner = "'data:image/svg+xml," . $returner . "'"; + } + + return new Less_Tree_URL( new Less_Tree_Anonymous( $returner ) ); + } + + /** + * Php version of javascript's `encodeURIComponent` function + * + * @param string $string The string to encode + * @return string The encoded string + */ + public static function encodeURIComponent( $string ) { + $revert = [ '%21' => '!', '%2A' => '*', '%27' => "'", '%28' => '(', '%29' => ')' ]; + return strtr( rawurlencode( $string ), $revert ); + } + + // Color Blending + // ref: https://www.w3.org/TR/compositing-1/ + public function colorBlend( $mode, $color1, $color2 ) { + // backdrop + $ab = $color1->alpha; + // source + $as = $color2->alpha; + $result = []; + + $ar = $as + $ab * ( 1 - $as ); + for ( $i = 0; $i < 3; $i++ ) { + $cb = $color1->rgb[$i] / 255; + $cs = $color2->rgb[$i] / 255; + $cr = call_user_func( $mode, $cb, $cs ); + if ( $ar ) { + $cr = ( $as * $cs + $ab * ( $cb - $as * ( $cb + $cs - $cr ) ) ) / $ar; + } + $result[$i] = $cr * 255; + } + + return new Less_Tree_Color( $result, $ar ); + } + + public function multiply( $color1 = null, $color2 = null ) { + if ( !$color1 instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The first argument to multiply must be a color' . ( $color1 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + if ( !$color2 instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The second argument to multiply must be a color' . ( $color2 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + + return $this->colorBlend( [ $this,'colorBlendMultiply' ], $color1, $color2 ); + } + + private function colorBlendMultiply( $cb, $cs ) { + return $cb * $cs; + } + + public function screen( $color1 = null, $color2 = null ) { + if ( !$color1 instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The first argument to screen must be a color' . ( $color1 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + if ( !$color2 instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The second argument to screen must be a color' . ( $color2 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + + return $this->colorBlend( [ $this,'colorBlendScreen' ], $color1, $color2 ); + } + + private function colorBlendScreen( $cb, $cs ) { + return $cb + $cs - $cb * $cs; + } + + public function overlay( $color1 = null, $color2 = null ) { + if ( !$color1 instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The first argument to overlay must be a color' . ( $color1 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + if ( !$color2 instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The second argument to overlay must be a color' . ( $color2 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + + return $this->colorBlend( [ $this,'colorBlendOverlay' ], $color1, $color2 ); + } + + private function colorBlendOverlay( $cb, $cs ) { + $cb *= 2; + return ( $cb <= 1 ) + ? $this->colorBlendMultiply( $cb, $cs ) + : $this->colorBlendScreen( $cb - 1, $cs ); + } + + public function softlight( $color1 = null, $color2 = null ) { + if ( !$color1 instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The first argument to softlight must be a color' . ( $color1 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + if ( !$color2 instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The second argument to softlight must be a color' . ( $color2 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + + return $this->colorBlend( [ $this,'colorBlendSoftlight' ], $color1, $color2 ); + } + + private function colorBlendSoftlight( $cb, $cs ) { + $d = 1; + $e = $cb; + if ( $cs > 0.5 ) { + $e = 1; + $d = ( $cb > 0.25 ) ? sqrt( $cb ) + : ( ( 16 * $cb - 12 ) * $cb + 4 ) * $cb; + } + return $cb - ( 1 - 2 * $cs ) * $e * ( $d - $cb ); + } + + public function hardlight( $color1 = null, $color2 = null ) { + if ( !$color1 instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The first argument to hardlight must be a color' . ( $color1 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + if ( !$color2 instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The second argument to hardlight must be a color' . ( $color2 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + + return $this->colorBlend( [ $this,'colorBlendHardlight' ], $color1, $color2 ); + } + + private function colorBlendHardlight( $cb, $cs ) { + return $this->colorBlendOverlay( $cs, $cb ); + } + + public function difference( $color1 = null, $color2 = null ) { + if ( !$color1 instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The first argument to difference must be a color' . ( $color1 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + if ( !$color2 instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The second argument to difference must be a color' . ( $color2 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + + return $this->colorBlend( [ $this,'colorBlendDifference' ], $color1, $color2 ); + } + + private function colorBlendDifference( $cb, $cs ) { + return abs( $cb - $cs ); + } + + public function exclusion( $color1 = null, $color2 = null ) { + if ( !$color1 instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The first argument to exclusion must be a color' . ( $color1 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + if ( !$color2 instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The second argument to exclusion must be a color' . ( $color2 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + + return $this->colorBlend( [ $this,'colorBlendExclusion' ], $color1, $color2 ); + } + + private function colorBlendExclusion( $cb, $cs ) { + return $cb + $cs - 2 * $cb * $cs; + } + + public function average( $color1 = null, $color2 = null ) { + if ( !$color1 instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The first argument to average must be a color' . ( $color1 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + if ( !$color2 instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The second argument to average must be a color' . ( $color2 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + + return $this->colorBlend( [ $this,'colorBlendAverage' ], $color1, $color2 ); + } + + // non-w3c functions: + public function colorBlendAverage( $cb, $cs ) { + return ( $cb + $cs ) / 2; + } + + public function negation( $color1 = null, $color2 = null ) { + if ( !$color1 instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The first argument to negation must be a color' . ( $color1 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + if ( !$color2 instanceof Less_Tree_Color ) { + throw new Less_Exception_Compiler( 'The second argument to negation must be a color' . ( $color2 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) ); + } + + return $this->colorBlend( [ $this,'colorBlendNegation' ], $color1, $color2 ); + } + + public function colorBlendNegation( $cb, $cs ) { + return 1 - abs( $cb + $cs - 1 ); + } + + // ~ End of Color Blending + +} diff --git a/vendor/wikimedia/less.php/lib/Less/Mime.php b/vendor/wikimedia/less.php/lib/Less/Mime.php new file mode 100644 index 0000000..45a7bf3 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Mime.php @@ -0,0 +1,36 @@ +<?php +/** + * Mime lookup + * + * @private + */ +class Less_Mime { + + // this map is intentionally incomplete + // if you want more, install 'mime' dep + private static $types = [ + '.htm' => 'text/html', + '.html' => 'text/html', + '.gif' => 'image/gif', + '.jpg' => 'image/jpeg', + '.jpeg' => 'image/jpeg', + '.png' => 'image/png', + '.ttf' => 'application/x-font-ttf', + '.otf' => 'application/x-font-otf', + '.eot' => 'application/vnd.ms-fontobject', + '.woff' => 'application/x-font-woff', + '.svg' => 'image/svg+xml', + ]; + + public static function lookup( $filepath ) { + $parts = explode( '.', $filepath ); + $ext = '.' . strtolower( array_pop( $parts ) ); + + return self::$types[$ext] ?? null; + } + + public static function charsets_lookup( $type = null ) { + // assumes all text types are UTF-8 + return $type && preg_match( '/^text\//', $type ) ? 'UTF-8' : ''; + } +} diff --git a/vendor/wikimedia/less.php/lib/Less/Output.php b/vendor/wikimedia/less.php/lib/Less/Output.php new file mode 100644 index 0000000..be6c160 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Output.php @@ -0,0 +1,46 @@ +<?php +/** + * Parser output + * + * @private + */ +class Less_Output { + + /** + * Output holder + * + * @var string[] + */ + protected $strs = []; + + /** + * Adds a chunk to the stack + * + * @param string $chunk The chunk to output + * @param array|null $fileInfo The file information + * @param int $index The index + * @param mixed $mapLines + */ + public function add( $chunk, $fileInfo = null, $index = 0, $mapLines = null ) { + $this->strs[] = $chunk; + } + + /** + * Is the output empty? + * + * @return bool + */ + public function isEmpty() { + return count( $this->strs ) === 0; + } + + /** + * Converts the output to string + * + * @return string + */ + public function toString() { + return implode( '', $this->strs ); + } + +} diff --git a/vendor/wikimedia/less.php/lib/Less/Output/Mapped.php b/vendor/wikimedia/less.php/lib/Less/Output/Mapped.php new file mode 100644 index 0000000..ece5172 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Output/Mapped.php @@ -0,0 +1,117 @@ +<?php +/** + * Parser output with source map + * + * @private + */ +class Less_Output_Mapped extends Less_Output { + + /** + * The source map generator + * + * @var Less_SourceMap_Generator + */ + protected $generator; + + /** + * Current line + * + * @var int + */ + protected $lineNumber = 0; + + /** + * Current column + * + * @var int + */ + protected $column = 0; + + /** + * Array of contents map (file and its content) + * + * @var array + */ + protected $contentsMap = []; + + /** + * Constructor + * + * @param array $contentsMap Array of filename to contents map + * @param Less_SourceMap_Generator $generator + */ + public function __construct( array $contentsMap, $generator ) { + $this->contentsMap = $contentsMap; + $this->generator = $generator; + } + + /** + * Adds a chunk to the stack + * The $index for less.php may be different from less.js since less.php does not chunkify inputs + * + * @param string $chunk + * @param array|null $fileInfo + * @param int $index + * @param mixed $mapLines + */ + public function add( $chunk, $fileInfo = null, $index = 0, $mapLines = null ) { + // ignore adding empty strings + if ( $chunk === '' ) { + return; + } + + $sourceLines = []; + $sourceColumns = ' '; + + if ( $fileInfo ) { + + $url = $fileInfo['currentUri']; + + if ( isset( $this->contentsMap[$url] ) ) { + $inputSource = substr( $this->contentsMap[$url], 0, $index ); + $sourceLines = explode( "\n", $inputSource ); + $sourceColumns = end( $sourceLines ); + } else { + throw new Exception( 'Filename ' . $url . ' not in contentsMap' ); + } + + } + + $lines = explode( "\n", $chunk ); + $columns = end( $lines ); + + if ( $fileInfo ) { + + if ( !$mapLines ) { + $this->generator->addMapping( + $this->lineNumber + 1, // generated_line + $this->column, // generated_column + count( $sourceLines ), // original_line + strlen( $sourceColumns ), // original_column + $fileInfo + ); + } else { + for ( $i = 0, $count = count( $lines ); $i < $count; $i++ ) { + $this->generator->addMapping( + $this->lineNumber + $i + 1, // generated_line + $i === 0 ? $this->column : 0, // generated_column + count( $sourceLines ) + $i, // original_line + $i === 0 ? strlen( $sourceColumns ) : 0, // original_column + $fileInfo + ); + } + } + } + + if ( count( $lines ) === 1 ) { + $this->column += strlen( $columns ); + } else { + $this->lineNumber += count( $lines ) - 1; + $this->column = strlen( $columns ); + } + + // add only chunk + parent::add( $chunk ); + } + +} diff --git a/vendor/wikimedia/less.php/lib/Less/Parser.php b/vendor/wikimedia/less.php/lib/Less/Parser.php new file mode 100644 index 0000000..b05bf14 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Parser.php @@ -0,0 +1,2729 @@ +<?php + +/** + * Parse and compile Less files into CSS + */ +class Less_Parser { + + /** + * Default parser options + */ + public static $default_options = [ + 'compress' => false, // option - whether to compress + 'strictUnits' => false, // whether units need to evaluate correctly + 'strictMath' => false, // whether math has to be within parenthesis + 'relativeUrls' => true, // option - whether to adjust URL's to be relative + 'urlArgs' => '', // whether to add args into url tokens + 'numPrecision' => 8, + + 'import_dirs' => [], + 'import_callback' => null, + 'cache_dir' => null, + 'cache_method' => 'php', // false, 'serialize', 'php', 'var_export', 'callback'; + 'cache_callback_get' => null, + 'cache_callback_set' => null, + + 'sourceMap' => false, // whether to output a source map + 'sourceMapBasepath' => null, + 'sourceMapWriteTo' => null, + 'sourceMapURL' => null, + + 'indentation' => ' ', + + 'plugins' => [], + + ]; + + /** @var array{compress:bool,strictUnits:bool,strictMath:bool,numPrecision:int,import_dirs:array,import_callback:null|callable,indentation:string} */ + public static $options = []; + + private $input; // Less input string + private $input_len; // input string length + private $pos; // current index in `input` + private $saveStack = []; // holds state for backtracking + private $furthest; + private $mb_internal_encoding = ''; // for remember exists value of mbstring.internal_encoding + + /** + * @var Less_Environment + */ + private $env; + + protected $rules = []; + + private static $imports = []; + + public static $has_extends = false; + + public static $next_id = 0; + + /** + * Filename to contents of all parsed the files + * + * @var array + */ + public static $contentsMap = []; + + /** + * @param Less_Environment|array|null $env + */ + public function __construct( $env = null ) { + // Top parser on an import tree must be sure there is one "env" + // which will then be passed around by reference. + if ( $env instanceof Less_Environment ) { + $this->env = $env; + } else { + $this->SetOptions( self::$default_options ); + $this->Reset( $env ); + } + + // mbstring.func_overload > 1 bugfix + // The encoding value must be set for each source file, + // therefore, to conserve resources and improve the speed of this design is taken here + if ( ini_get( 'mbstring.func_overload' ) ) { + $this->mb_internal_encoding = ini_get( 'mbstring.internal_encoding' ); + @ini_set( 'mbstring.internal_encoding', 'ascii' ); + } + } + + /** + * Reset the parser state completely + */ + public function Reset( $options = null ) { + $this->rules = []; + self::$imports = []; + self::$has_extends = false; + self::$imports = []; + self::$contentsMap = []; + + $this->env = new Less_Environment(); + + // set new options + if ( is_array( $options ) ) { + $this->SetOptions( self::$default_options ); + $this->SetOptions( $options ); + } + + $this->env->Init(); + } + + /** + * Set one or more compiler options + * options: import_dirs, cache_dir, cache_method + */ + public function SetOptions( $options ) { + foreach ( $options as $option => $value ) { + $this->SetOption( $option, $value ); + } + } + + /** + * Set one compiler option + */ + public function SetOption( $option, $value ) { + switch ( $option ) { + + case 'import_dirs': + $this->SetImportDirs( $value ); + return; + + case 'cache_dir': + if ( is_string( $value ) ) { + Less_Cache::SetCacheDir( $value ); + Less_Cache::CheckCacheDir(); + } + return; + } + + self::$options[$option] = $value; + } + + /** + * Registers a new custom function + * + * @param string $name function name + * @param callable $callback callback + */ + public function registerFunction( $name, $callback ) { + $this->env->functions[$name] = $callback; + } + + /** + * Removed an already registered function + * + * @param string $name function name + */ + public function unregisterFunction( $name ) { + if ( isset( $this->env->functions[$name] ) ) { + unset( $this->env->functions[$name] ); + } + } + + /** + * Get the current css buffer + * + * @return string + */ + public function getCss() { + $precision = ini_get( 'precision' ); + @ini_set( 'precision', '16' ); + $locale = setlocale( LC_NUMERIC, 0 ); + setlocale( LC_NUMERIC, "C" ); + + try { + $root = new Less_Tree_Ruleset( null, $this->rules ); + $root->root = true; + $root->firstRoot = true; + + $this->PreVisitors( $root ); + + self::$has_extends = false; + $evaldRoot = $root->compile( $this->env ); + + $this->PostVisitors( $evaldRoot ); + + if ( self::$options['sourceMap'] ) { + $generator = new Less_SourceMap_Generator( $evaldRoot, self::$contentsMap, self::$options ); + // will also save file + // FIXME: should happen somewhere else? + $css = $generator->generateCSS(); + } else { + $css = $evaldRoot->toCSS(); + } + + if ( self::$options['compress'] ) { + $css = preg_replace( '/(^(\s)+)|((\s)+$)/', '', $css ); + } + + } catch ( Exception $exc ) { + // Intentional fall-through so we can reset environment + } + + // reset php settings + @ini_set( 'precision', $precision ); + setlocale( LC_NUMERIC, $locale ); + + // If you previously defined $this->mb_internal_encoding + // is required to return the encoding as it was before + if ( $this->mb_internal_encoding != '' ) { + @ini_set( "mbstring.internal_encoding", $this->mb_internal_encoding ); + $this->mb_internal_encoding = ''; + } + + // Rethrow exception after we handled resetting the environment + if ( !empty( $exc ) ) { + throw $exc; + } + + return $css; + } + + public function findValueOf( $varName ) { + foreach ( $this->rules as $rule ) { + if ( isset( $rule->variable ) && ( $rule->variable == true ) && ( str_replace( "@", "", $rule->name ) == $varName ) ) { + return $this->getVariableValue( $rule ); + } + } + return null; + } + + /** + * Gets the private rules variable and returns an array of the found variables + * it uses a helper method getVariableValue() that contains the logic ot fetch the value + * from the rule object + * + * @return array + */ + public function getVariables() { + $variables = []; + + $not_variable_type = [ + 'Comment', // this include less comments ( // ) and css comments (/* */) + 'Import', // do not search variables in included files @import + 'Ruleset', // selectors (.someclass, #someid, …) + 'Operation', // + ]; + + // @TODO run compilation if not runned yet + foreach ( $this->rules as $key => $rule ) { + if ( in_array( $rule->type, $not_variable_type ) ) { + continue; + } + + // Note: it seems rule->type is always Rule when variable = true + if ( $rule->type == 'Rule' && $rule->variable ) { + $variables[$rule->name] = $this->getVariableValue( $rule ); + } else { + if ( $rule->type == 'Comment' ) { + $variables[] = $this->getVariableValue( $rule ); + } + } + } + return $variables; + } + + public function findVarByName( $var_name ) { + foreach ( $this->rules as $rule ) { + if ( isset( $rule->variable ) && ( $rule->variable == true ) ) { + if ( $rule->name == $var_name ) { + return $this->getVariableValue( $rule ); + } + } + } + return null; + } + + /** + * This method gets the value of the less variable from the rules object. + * Since the objects vary here we add the logic for extracting the css/less value. + * + * @param Less_Tree $var + * @return string + */ + private function getVariableValue( Less_Tree $var ) { + switch ( get_class( $var ) ) { + case Less_Tree_Color::class: + return $this->rgb2html( $var->rgb ); + case Less_Tree_Variable::class: + return $this->findVarByName( $var->name ); + case Less_Tree_Keyword::class: + return $var->value; + case Less_Tree_Url::class: + // Based on Less_Tree_Url::genCSS() + // Recurse to serialize the Less_Tree_Quoted value + return 'url(' . $this->getVariableValue( $var->value ) . ')'; + case Less_Tree_Rule::class: + return $this->getVariableValue( $var->value ); + case Less_Tree_Value::class: + $value = ''; + foreach ( $var->value as $sub_value ) { + $value .= $this->getVariableValue( $sub_value ) . ' '; + } + return $value; + case Less_Tree_Quoted::class: + return $var->quote . $var->value . $var->quote; + case Less_Tree_Dimension::class: + $value = $var->value; + if ( $var->unit && $var->unit->numerator ) { + $value .= $var->unit->numerator[0]; + } + return $value; + case Less_Tree_Expression::class: + $value = ''; + foreach ( $var->value as $item ) { + $value .= $this->getVariableValue( $item ) . " "; + } + return $value; + case Less_Tree_Operation::class: + throw new Exception( 'getVariables() require Less to be compiled. please use $parser->getCss() before calling getVariables()' ); + case Less_Tree_Unit::class: + case Less_Tree_Comment::class: + case Less_Tree_Import::class: + case Less_Tree_Ruleset::class: + default: + throw new Exception( "type missing in switch/case getVariableValue for " . $var->type ); + } + } + + private function rgb2html( $r, $g = -1, $b = -1 ) { + if ( is_array( $r ) && count( $r ) == 3 ) { + list( $r, $g, $b ) = $r; + } + + $r = intval( $r ); +$g = intval( $g ); + $b = intval( $b ); + + $r = dechex( $r < 0 ? 0 : ( $r > 255 ? 255 : $r ) ); + $g = dechex( $g < 0 ? 0 : ( $g > 255 ? 255 : $g ) ); + $b = dechex( $b < 0 ? 0 : ( $b > 255 ? 255 : $b ) ); + + $color = ( strlen( $r ) < 2 ? '0' : '' ) . $r; + $color .= ( strlen( $g ) < 2 ? '0' : '' ) . $g; + $color .= ( strlen( $b ) < 2 ? '0' : '' ) . $b; + return '#' . $color; + } + + /** + * Run pre-compile visitors + */ + private function PreVisitors( $root ) { + if ( self::$options['plugins'] ) { + foreach ( self::$options['plugins'] as $plugin ) { + if ( !empty( $plugin->isPreEvalVisitor ) ) { + $plugin->run( $root ); + } + } + } + } + + /** + * Run post-compile visitors + */ + private function PostVisitors( $evaldRoot ) { + $visitors = []; + $visitors[] = new Less_Visitor_joinSelector(); + if ( self::$has_extends ) { + $visitors[] = new Less_Visitor_processExtends(); + } + $visitors[] = new Less_Visitor_toCSS(); + + if ( self::$options['plugins'] ) { + foreach ( self::$options['plugins'] as $plugin ) { + if ( property_exists( $plugin, 'isPreEvalVisitor' ) && $plugin->isPreEvalVisitor ) { + continue; + } + + if ( property_exists( $plugin, 'isPreVisitor' ) && $plugin->isPreVisitor ) { + array_unshift( $visitors, $plugin ); + } else { + $visitors[] = $plugin; + } + } + } + + for ( $i = 0; $i < count( $visitors ); $i++ ) { + $visitors[$i]->run( $evaldRoot ); + } + } + + /** + * Parse a Less string + * + * @throws Less_Exception_Parser If the compiler encounters invalid syntax + * @param string $str The string to convert + * @param string|null $file_uri The url of the file + * @return Less_Parser + */ + public function parse( $str, $file_uri = null ) { + if ( !$file_uri ) { + $uri_root = ''; + $filename = 'anonymous-file-' . self::$next_id++ . '.less'; + } else { + $file_uri = self::WinPath( $file_uri ); + $filename = $file_uri; + $uri_root = dirname( $file_uri ); + } + + $previousFileInfo = $this->env->currentFileInfo; + $uri_root = self::WinPath( $uri_root ); + $this->SetFileInfo( $filename, $uri_root ); + + $this->input = $str; + $this->_parse(); + + if ( $previousFileInfo ) { + $this->env->currentFileInfo = $previousFileInfo; + } + + return $this; + } + + /** + * Parse a Less string from a given file + * + * @throws Less_Exception_Parser If the compiler encounters invalid syntax + * @param string $filename The file to parse + * @param string $uri_root The url of the file + * @param bool $returnRoot Indicates whether the return value should be a css string a root node + * @return Less_Tree_Ruleset|Less_Parser + */ + public function parseFile( $filename, $uri_root = '', $returnRoot = false ) { + if ( !file_exists( $filename ) ) { + $this->Error( sprintf( 'File `%s` not found.', $filename ) ); + } + + // fix uri_root? + // Instead of The mixture of file path for the first argument and directory path for the second argument has bee + if ( !$returnRoot && !empty( $uri_root ) && basename( $uri_root ) == basename( $filename ) ) { + $uri_root = dirname( $uri_root ); + } + + $previousFileInfo = $this->env->currentFileInfo; + + if ( $filename ) { + $filename = self::AbsPath( $filename, true ); + } + $uri_root = self::WinPath( $uri_root ); + + $this->SetFileInfo( $filename, $uri_root ); + + self::AddParsedFile( $filename ); + + if ( $returnRoot ) { + $rules = $this->GetRules( $filename ); + $return = new Less_Tree_Ruleset( null, $rules ); + } else { + $this->_parse( $filename ); + $return = $this; + } + + if ( $previousFileInfo ) { + $this->env->currentFileInfo = $previousFileInfo; + } + + return $return; + } + + /** + * Allows a user to set variables values + * @param array $vars + * @return Less_Parser + */ + public function ModifyVars( $vars ) { + $this->input = self::serializeVars( $vars ); + $this->_parse(); + + return $this; + } + + /** + * @param string $filename + * @param string $uri_root + */ + public function SetFileInfo( $filename, $uri_root = '' ) { + $filename = Less_Environment::normalizePath( $filename ); + $dirname = preg_replace( '/[^\/\\\\]*$/', '', $filename ); + + if ( !empty( $uri_root ) ) { + $uri_root = rtrim( $uri_root, '/' ) . '/'; + } + + $currentFileInfo = []; + + // entry info + if ( isset( $this->env->currentFileInfo ) ) { + $currentFileInfo['entryPath'] = $this->env->currentFileInfo['entryPath']; + $currentFileInfo['entryUri'] = $this->env->currentFileInfo['entryUri']; + $currentFileInfo['rootpath'] = $this->env->currentFileInfo['rootpath']; + + } else { + $currentFileInfo['entryPath'] = $dirname; + $currentFileInfo['entryUri'] = $uri_root; + $currentFileInfo['rootpath'] = $dirname; + } + + $currentFileInfo['currentDirectory'] = $dirname; + $currentFileInfo['currentUri'] = $uri_root . basename( $filename ); + $currentFileInfo['filename'] = $filename; + $currentFileInfo['uri_root'] = $uri_root; + + // inherit reference + if ( isset( $this->env->currentFileInfo['reference'] ) && $this->env->currentFileInfo['reference'] ) { + $currentFileInfo['reference'] = true; + } + + $this->env->currentFileInfo = $currentFileInfo; + } + + /** + * @deprecated 1.5.1.2 + */ + public function SetCacheDir( $dir ) { + if ( !file_exists( $dir ) ) { + if ( mkdir( $dir ) ) { + return true; + } + throw new Less_Exception_Parser( 'Less.php cache directory couldn\'t be created: ' . $dir ); + + } elseif ( !is_dir( $dir ) ) { + throw new Less_Exception_Parser( 'Less.php cache directory doesn\'t exist: ' . $dir ); + + } elseif ( !is_writable( $dir ) ) { + throw new Less_Exception_Parser( 'Less.php cache directory isn\'t writable: ' . $dir ); + + } else { + $dir = self::WinPath( $dir ); + Less_Cache::$cache_dir = rtrim( $dir, '/' ) . '/'; + return true; + } + } + + /** + * Set a list of directories or callbacks the parser should use for determining import paths + * + * @param array $dirs + */ + public function SetImportDirs( $dirs ) { + self::$options['import_dirs'] = []; + + foreach ( $dirs as $path => $uri_root ) { + + $path = self::WinPath( $path ); + if ( !empty( $path ) ) { + $path = rtrim( $path, '/' ) . '/'; + } + + if ( !is_callable( $uri_root ) ) { + $uri_root = self::WinPath( $uri_root ); + if ( !empty( $uri_root ) ) { + $uri_root = rtrim( $uri_root, '/' ) . '/'; + } + } + + self::$options['import_dirs'][$path] = $uri_root; + } + } + + /** + * @param string|null $file_path + */ + private function _parse( $file_path = null ) { + $this->rules = array_merge( $this->rules, $this->GetRules( $file_path ) ); + } + + /** + * Return the results of parsePrimary for $file_path + * Use cache and save cached results if possible + * + * @param string|null $file_path + */ + private function GetRules( $file_path ) { + $this->SetInput( $file_path ); + + $cache_file = $this->CacheFile( $file_path ); + if ( $cache_file ) { + if ( self::$options['cache_method'] == 'callback' ) { + if ( is_callable( self::$options['cache_callback_get'] ) ) { + $cache = call_user_func_array( + self::$options['cache_callback_get'], + [ $this, $file_path, $cache_file ] + ); + + if ( $cache ) { + $this->UnsetInput(); + return $cache; + } + } + + } elseif ( file_exists( $cache_file ) ) { + switch ( self::$options['cache_method'] ) { + + // Using serialize + // Faster but uses more memory + case 'serialize': + $cache = unserialize( file_get_contents( $cache_file ) ); + if ( $cache ) { + touch( $cache_file ); + $this->UnsetInput(); + return $cache; + } + break; + + // Using generated php code + case 'var_export': + case 'php': + $this->UnsetInput(); + return include $cache_file; + } + } + } + + $rules = $this->parsePrimary(); + + if ( $this->pos < $this->input_len ) { + throw new Less_Exception_Chunk( $this->input, null, $this->furthest, $this->env->currentFileInfo ); + } + + $this->UnsetInput(); + + // save the cache + if ( $cache_file ) { + if ( self::$options['cache_method'] == 'callback' ) { + if ( is_callable( self::$options['cache_callback_set'] ) ) { + call_user_func_array( + self::$options['cache_callback_set'], + [ $this, $file_path, $cache_file, $rules ] + ); + } + + } else { + switch ( self::$options['cache_method'] ) { + case 'serialize': + file_put_contents( $cache_file, serialize( $rules ) ); + break; + case 'php': + // Mask PHP open tag to avoid breaking Doxygen + file_put_contents( $cache_file, '<' . '?php return ' . self::ArgString( $rules ) . '; ?>' ); + break; + case 'var_export': + // Requires __set_state() + file_put_contents( $cache_file, '<' . '?php return ' . var_export( $rules, true ) . '; ?>' ); + break; + } + + Less_Cache::CleanCache(); + } + } + + return $rules; + } + + /** + * Set up the input buffer + */ + public function SetInput( $file_path ) { + if ( $file_path ) { + $this->input = file_get_contents( $file_path ); + } + + $this->pos = $this->furthest = 0; + + // Remove potential UTF Byte Order Mark + $this->input = preg_replace( '/\\G\xEF\xBB\xBF/', '', $this->input ); + $this->input_len = strlen( $this->input ); + + if ( self::$options['sourceMap'] && $this->env->currentFileInfo ) { + $uri = $this->env->currentFileInfo['currentUri']; + self::$contentsMap[$uri] = $this->input; + } + } + + /** + * Free up some memory + */ + public function UnsetInput() { + $this->input = $this->pos = $this->input_len = $this->furthest = null; + $this->saveStack = []; + } + + public function CacheFile( $file_path ) { + if ( $file_path && $this->CacheEnabled() ) { + + $env = get_object_vars( $this->env ); + unset( $env['frames'] ); + + $parts = []; + $parts[] = $file_path; + $parts[] = filesize( $file_path ); + $parts[] = filemtime( $file_path ); + $parts[] = $env; + $parts[] = Less_Version::cache_version; + $parts[] = self::$options['cache_method']; + return Less_Cache::$cache_dir . Less_Cache::$prefix . base_convert( sha1( json_encode( $parts ) ), 16, 36 ) . '.lesscache'; + } + } + + static function AddParsedFile( $file ) { + self::$imports[] = $file; + } + + static function AllParsedFiles() { + return self::$imports; + } + + /** + * @param string $file + */ + static function FileParsed( $file ) { + return in_array( $file, self::$imports ); + } + + function save() { + $this->saveStack[] = $this->pos; + } + + private function restore() { + if ( $this->pos > $this->furthest ) { + $this->furthest = $this->pos; + } + $this->pos = array_pop( $this->saveStack ); + } + + private function forget() { + array_pop( $this->saveStack ); + } + + /** + * Determine if the character at the specified offset from the current position is a white space. + * + * @param int $offset + * @return bool + */ + private function isWhitespace( $offset = 0 ) { + // @phan-suppress-next-line PhanParamSuspiciousOrder False positive + return strpos( " \t\n\r\v\f", $this->input[$this->pos + $offset] ) !== false; + } + + /** + * Parse from a token, regexp or string, and move forward if match + * + * @param array $toks + * @return null|string|array|Less_Tree + */ + private function matcher( $toks ) { + // The match is confirmed, add the match length to `this::pos`, + // and consume any extra white-space characters (' ' || '\n') + // which come after that. The reason for this is that LeSS's + // grammar is mostly white-space insensitive. + // + + foreach ( $toks as $tok ) { + + $char = $tok[0]; + + if ( $char === '/' ) { + $match = $this->MatchReg( $tok ); + + if ( $match ) { + return count( $match ) === 1 ? $match[0] : $match; + } + + } elseif ( $char === '#' ) { + $match = $this->MatchChar( $tok[1] ); + + } else { + // Non-terminal, match using a function call + $match = $this->$tok(); + + } + + if ( $match ) { + return $match; + } + } + } + + /** + * @param string[] $toks + * @return null|string|array|Less_Tree + */ + private function MatchFuncs( $toks ) { + if ( $this->pos < $this->input_len ) { + foreach ( $toks as $tok ) { + $match = $this->$tok(); + if ( $match ) { + return $match; + } + } + } + } + + /** + * Match a single character in the input. + * + * @param string $tok + * @see less-2.5.3.js#parserInput.$char + */ + private function MatchChar( $tok ) { + if ( ( $this->pos < $this->input_len ) && ( $this->input[$this->pos] === $tok ) ) { + $this->skipWhitespace( 1 ); + return $tok; + } + } + + /** + * Match a regexp from the current start point + * + * @return array|null + */ + private function MatchReg( $tok ) { + if ( preg_match( $tok, $this->input, $match, 0, $this->pos ) ) { + $this->skipWhitespace( strlen( $match[0] ) ); + return $match; + } + } + + /** + * Same as match(), but don't change the state of the parser, + * just return the match. + * + * @param string $tok + * @return int|false + */ + public function PeekReg( $tok ) { + return preg_match( $tok, $this->input, $match, 0, $this->pos ); + } + + /** + * @param string $tok + */ + public function PeekChar( $tok ) { + return ( $this->pos < $this->input_len ) && ( $this->input[$this->pos] === $tok ); + } + + /** + * @param int $length + * @see less-2.5.3.js#skipWhitespace + */ + public function skipWhitespace( $length ) { + $this->pos += $length; + + for ( ; $this->pos < $this->input_len; $this->pos++ ) { + $c = $this->input[$this->pos]; + + if ( ( $c !== "\n" ) && ( $c !== "\r" ) && ( $c !== "\t" ) && ( $c !== ' ' ) ) { + break; + } + } + } + + /** + * @param string $tok + * @param string|null $msg + */ + public function expect( $tok, $msg = null ) { + $result = $this->matcher( [ $tok ] ); + if ( !$result ) { + $this->Error( $msg ? "Expected '" . $tok . "' got '" . $this->input[$this->pos] . "'" : $msg ); + } else { + return $result; + } + } + + /** + * @param string $tok + * @param string|null $msg + */ + public function expectChar( $tok, $msg = null ) { + $result = $this->MatchChar( $tok ); + if ( !$result ) { + $msg = $msg ?: "Expected '" . $tok . "' got '" . $this->input[$this->pos] . "'"; + $this->Error( $msg ); + } else { + return $result; + } + } + + // + // Here in, the parsing rules/functions + // + // The basic structure of the syntax tree generated is as follows: + // + // Ruleset -> Rule -> Value -> Expression -> Entity + // + // Here's some LESS code: + // + // .class { + // color: #fff; + // border: 1px solid #000; + // width: @w + 4px; + // > .child {...} + // } + // + // And here's what the parse tree might look like: + // + // Ruleset (Selector '.class', [ + // Rule ("color", Value ([Expression [Color #fff]])) + // Rule ("border", Value ([Expression [Dimension 1px][Keyword "solid"][Color #000]])) + // Rule ("width", Value ([Expression [Operation "+" [Variable "@w"][Dimension 4px]]])) + // Ruleset (Selector [Element '>', '.child'], [...]) + // ]) + // + // In general, most rules will try to parse a token with the `$()` function, and if the return + // value is truly, will return a new node, of the relevant type. Sometimes, we need to check + // first, before parsing, that's when we use `peek()`. + // + + // + // The `primary` rule is the *entry* and *exit* point of the parser. + // The rules here can appear at any level of the parse tree. + // + // The recursive nature of the grammar is an interplay between the `block` + // rule, which represents `{ ... }`, the `ruleset` rule, and this `primary` rule, + // as represented by this simplified grammar: + // + // primary → (ruleset | rule)+ + // ruleset → selector+ block + // block → '{' primary '}' + // + // Only at one point is the primary rule not called from the + // block rule: at the root level. + // + // @see less-2.5.3.js#parsers.primary + private function parsePrimary() { + $root = []; + + while ( true ) { + + if ( $this->pos >= $this->input_len ) { + break; + } + + $node = $this->parseExtend( true ); + if ( $node ) { + $root = array_merge( $root, $node ); + continue; + } + + $node = $this->MatchFuncs( [ + 'parseMixinDefinition', + 'parseNameValue', + 'parseRule', + 'parseRuleset', + 'parseMixinCall', + 'parseComment', + 'parseRulesetCall', + 'parseDirective' + ] ); + + if ( $node ) { + $root[] = $node; + } elseif ( !$this->MatchReg( '/\\G[\s\n;]+/' ) ) { + break; + } + + if ( $this->PeekChar( '}' ) ) { + break; + } + } + + return $root; + } + + // We create a Comment node for CSS comments `/* */`, + // but keep the LeSS comments `//` silent, by just skipping + // over them. + private function parseComment() { + if ( $this->input[$this->pos] !== '/' ) { + return; + } + + if ( $this->input[$this->pos + 1] === '/' ) { + $match = $this->MatchReg( '/\\G\/\/.*/' ); + return $this->NewObj( 'Less_Tree_Comment', [ $match[0], true, $this->pos, $this->env->currentFileInfo ] ); + } + + // $comment = $this->MatchReg('/\\G\/\*(?:[^*]|\*+[^\/*])*\*+\/\n?/'); + $comment = $this->MatchReg( '/\\G\/\*(?s).*?\*+\/\n?/' );// not the same as less.js to prevent fatal errors + if ( $comment ) { + return $this->NewObj( 'Less_Tree_Comment', [ $comment[0], false, $this->pos, $this->env->currentFileInfo ] ); + } + } + + private function parseComments() { + $comments = []; + + while ( $this->pos < $this->input_len ) { + $comment = $this->parseComment(); + if ( !$comment ) { + break; + } + + $comments[] = $comment; + } + + return $comments; + } + + /** + * A string, which supports escaping " and ' + * + * "milky way" 'he\'s the one!' + * + * @return Less_Tree_Quoted|null + */ + private function parseEntitiesQuoted() { + $j = $this->pos; + $e = false; + $index = $this->pos; + + if ( $this->input[$this->pos] === '~' ) { + $j++; + $e = true; // Escaped strings + } + + $char = $this->input[$j]; + if ( $char !== '"' && $char !== "'" ) { + return; + } + + if ( $e ) { + $this->MatchChar( '~' ); + } + + $matched = $this->MatchQuoted( $char, $j + 1 ); + if ( $matched === false ) { + return; + } + + $quoted = $char . $matched . $char; + return $this->NewObj( 'Less_Tree_Quoted', [ $quoted, $matched, $e, $index, $this->env->currentFileInfo ] ); + } + + /** + * When PCRE JIT is enabled in php, regular expressions don't work for matching quoted strings + * + * $regex = '/\\G\'((?:[^\'\\\\\r\n]|\\\\.|\\\\\r\n|\\\\[\n\r\f])*)\'/'; + * $regex = '/\\G"((?:[^"\\\\\r\n]|\\\\.|\\\\\r\n|\\\\[\n\r\f])*)"/'; + * + */ + private function MatchQuoted( $quote_char, $i ) { + $matched = ''; + while ( $i < $this->input_len ) { + $c = $this->input[$i]; + + // escaped character + if ( $c === '\\' ) { + $matched .= $c . $this->input[$i + 1]; + $i += 2; + continue; + } + + if ( $c === $quote_char ) { + $this->pos = $i + 1; + $this->skipWhitespace( 0 ); + return $matched; + } + + if ( $c === "\r" || $c === "\n" ) { + return false; + } + + $i++; + $matched .= $c; + } + + return false; + } + + /** + * A catch-all word, such as: + * + * black border-collapse + * + * @return Less_Tree_Keyword|Less_Tree_Color|null + */ + private function parseEntitiesKeyword() { + // $k = $this->MatchReg('/\\G[_A-Za-z-][_A-Za-z0-9-]*/'); + $k = $this->MatchReg( '/\\G%|\\G[_A-Za-z-][_A-Za-z0-9-]*/' ); + if ( $k ) { + $k = $k[0]; + $color = $this->fromKeyword( $k ); + if ( $color ) { + return $color; + } + return $this->NewObj( 'Less_Tree_Keyword', [ $k ] ); + } + } + + // duplicate of Less_Tree_Color::FromKeyword + private function FromKeyword( $keyword ) { + $keyword = strtolower( $keyword ); + + if ( Less_Colors::hasOwnProperty( $keyword ) ) { + // detect named color + return $this->NewObj( 'Less_Tree_Color', [ substr( Less_Colors::color( $keyword ), 1 ) ] ); + } + + if ( $keyword === 'transparent' ) { + return $this->NewObj( 'Less_Tree_Color', [ [ 0, 0, 0 ], 0, true ] ); + } + } + + // + // A function call + // + // rgb(255, 0, 255) + // + // We also try to catch IE's `alpha()`, but let the `alpha` parser + // deal with the details. + // + // The arguments are parsed with the `entities.arguments` parser. + // + private function parseEntitiesCall() { + $index = $this->pos; + + if ( !preg_match( '/\\G([\w-]+|%|progid:[\w\.]+)\(/', $this->input, $name, 0, $this->pos ) ) { + return; + } + $name = $name[1]; + $nameLC = strtolower( $name ); + + if ( $nameLC === 'url' ) { + return null; + } + + $this->pos += strlen( $name ); + + if ( $nameLC === 'alpha' ) { + $alpha_ret = $this->parseAlpha(); + if ( $alpha_ret ) { + return $alpha_ret; + } + } + + $this->MatchChar( '(' ); // Parse the '(' and consume whitespace. + + $args = $this->parseEntitiesArguments(); + + if ( !$this->MatchChar( ')' ) ) { + return; + } + + if ( $name ) { + return $this->NewObj( 'Less_Tree_Call', [ $name, $args, $index, $this->env->currentFileInfo ] ); + } + } + + /** + * Parse a list of arguments + * + * @return array<Less_Tree_Assignment|Less_Tree_Expression> + */ + private function parseEntitiesArguments() { + $args = []; + while ( true ) { + $arg = $this->MatchFuncs( [ 'parseEntitiesAssignment', 'parseExpression' ] ); + if ( !$arg ) { + break; + } + + $args[] = $arg; + if ( !$this->MatchChar( ',' ) ) { + break; + } + } + return $args; + } + + /** @return Less_Tree_Dimension|Less_Tree_Color|Less_Tree_Quoted|Less_Tree_UnicodeDescriptor|null */ + private function parseEntitiesLiteral() { + return $this->MatchFuncs( [ 'parseEntitiesDimension','parseEntitiesColor','parseEntitiesQuoted','parseUnicodeDescriptor' ] ); + } + + /** + * Assignments are argument entities for calls. + * + * They are present in IE filter properties as shown below. + * + * filter: progid:DXImageTransform.Microsoft.Alpha( *opacity=50* ) + * + * @return Less_Tree_Assignment|null + */ + private function parseEntitiesAssignment() { + $key = $this->MatchReg( '/\\G\w+(?=\s?=)/' ); + if ( !$key ) { + return; + } + + if ( !$this->MatchChar( '=' ) ) { + return; + } + + $value = $this->parseEntity(); + if ( $value ) { + return $this->NewObj( 'Less_Tree_Assignment', [ $key[0], $value ] ); + } + } + + // + // Parse url() tokens + // + // We use a specific rule for urls, because they don't really behave like + // standard function calls. The difference is that the argument doesn't have + // to be enclosed within a string, so it can't be parsed as an Expression. + // + private function parseEntitiesUrl() { + if ( $this->input[$this->pos] !== 'u' || !$this->matchReg( '/\\Gurl\(/' ) ) { + return; + } + + $value = $this->matcher( [ 'parseEntitiesQuoted','parseEntitiesVariable','/\\Gdata\:.*?[^\)]+/','/\\G(?:(?:\\\\[\(\)\'"])|[^\(\)\'"])+/' ] ); + if ( !$value ) { + $value = ''; + } + + $this->expectChar( ')' ); + + // @phan-suppress-next-line PhanUndeclaredProperty + if ( isset( $value->value ) || $value instanceof Less_Tree_Variable ) { + return $this->NewObj( 'Less_Tree_Url', [ $value, $this->env->currentFileInfo ] ); + } + + return $this->NewObj( 'Less_Tree_Url', [ $this->NewObj( 'Less_Tree_Anonymous', [ $value ] ), $this->env->currentFileInfo ] ); + } + + /** + * A Variable entity, such as `@fink`, in + * + * width: @fink + 2px + * + * We use a different parser for variable definitions, + * see `parsers.variable`. + * + * @return Less_Tree_Variable|null + */ + private function parseEntitiesVariable() { + $index = $this->pos; + if ( $this->PeekChar( '@' ) && ( $name = $this->MatchReg( '/\\G@@?[\w-]+/' ) ) ) { + return $this->NewObj( 'Less_Tree_Variable', [ $name[0], $index, $this->env->currentFileInfo ] ); + } + } + + /** + * A variable entity using the protective `{}` e.g. `@{var}`. + * + * @return Less_Tree_Variable|null + */ + private function parseEntitiesVariableCurly() { + $index = $this->pos; + + if ( $this->input_len > ( $this->pos + 1 ) && $this->input[$this->pos] === '@' && ( $curly = $this->MatchReg( '/\\G@\{([\w-]+)\}/' ) ) ) { + return $this->NewObj( 'Less_Tree_Variable', [ '@' . $curly[1], $index, $this->env->currentFileInfo ] ); + } + } + + /** + * A Hexadecimal color + * + * #4F3C2F + * + * `rgb` and `hsl` colors are parsed through the `entities.call` parser. + * + * @return Less_Tree_Color|null + */ + private function parseEntitiesColor() { + if ( $this->PeekChar( '#' ) && ( $rgb = $this->MatchReg( '/\\G#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})/' ) ) ) { + return $this->NewObj( 'Less_Tree_Color', [ $rgb[1] ] ); + } + } + + /** + * A Dimension, that is, a number and a unit + * + * 0.5em 95% + * + * @return Less_Tree_Dimension|null + */ + private function parseEntitiesDimension() { + $c = @ord( $this->input[$this->pos] ); + + // Is the first char of the dimension 0-9, '.', '+' or '-' + if ( ( $c > 57 || $c < 43 ) || $c === 47 || $c == 44 ) { + return; + } + + $value = $this->MatchReg( '/\\G([+-]?\d*\.?\d+)(%|[a-z]+)?/' ); + if ( $value ) { + if ( isset( $value[2] ) ) { + return $this->NewObj( 'Less_Tree_Dimension', [ $value[1],$value[2] ] ); + } + return $this->NewObj( 'Less_Tree_Dimension', [ $value[1] ] ); + } + } + + /** + * A unicode descriptor, as is used in unicode-range + * + * U+0?? or U+00A1-00A9 + * + * @return Less_Tree_UnicodeDescriptor|null + */ + function parseUnicodeDescriptor() { + $ud = $this->MatchReg( '/\\G(U\+[0-9a-fA-F?]+)(\-[0-9a-fA-F?]+)?/' ); + if ( $ud ) { + return $this->NewObj( 'Less_Tree_UnicodeDescriptor', [ $ud[0] ] ); + } + } + + // + // JavaScript code to be evaluated + // + // `window.location.href` + // + private function parseEntitiesJavascript() { + $e = false; + $j = $this->pos; + if ( $this->input[$j] === '~' ) { + $j++; + $e = true; + } + if ( $this->input[$j] !== '`' ) { + return; + } + if ( $e ) { + $this->MatchChar( '~' ); + } + $str = $this->MatchReg( '/\\G`([^`]*)`/' ); + if ( $str ) { + return $this->NewObj( 'Less_Tree_Javascript', [ $str[1], $this->pos, $e ] ); + } + } + + // + // The variable part of a variable definition. Used in the `rule` parser + // + // @fink: + // + private function parseVariable() { + if ( $this->PeekChar( '@' ) && ( $name = $this->MatchReg( '/\\G(@[\w-]+)\s*:/' ) ) ) { + return $name[1]; + } + } + + // + // The variable part of a variable definition. Used in the `rule` parser + // + // @fink(); + // + private function parseRulesetCall() { + if ( $this->input[$this->pos] === '@' && ( $name = $this->MatchReg( '/\\G(@[\w-]+)\s*\(\s*\)\s*;/' ) ) ) { + return $this->NewObj( 'Less_Tree_RulesetCall', [ $name[1] ] ); + } + } + + // + // extend syntax - used to extend selectors + // + function parseExtend( $isRule = false ) { + $index = $this->pos; + $extendList = []; + + if ( !$this->MatchReg( $isRule ? '/\\G&:extend\(/' : '/\\G:extend\(/' ) ) { + return; + } + + do { + $option = null; + $elements = []; + while ( true ) { + $option = $this->MatchReg( '/\\G(all)(?=\s*(\)|,))/' ); + if ( $option ) { break; + } + $e = $this->parseElement(); + if ( !$e ) { + break; + } + $elements[] = $e; + } + + if ( $option ) { + $option = $option[1]; + } + + $extendList[] = $this->NewObj( 'Less_Tree_Extend', [ $this->NewObj( 'Less_Tree_Selector', [ $elements ] ), $option, $index ] ); + + } while ( $this->MatchChar( "," ) ); + + $this->expect( '/\\G\)/' ); + + if ( $isRule ) { + $this->expect( '/\\G;/' ); + } + + return $extendList; + } + + // + // A Mixin call, with an optional argument list + // + // #mixins > .square(#fff); + // .rounded(4px, black); + // .button; + // + // The `while` loop is there because mixins can be + // namespaced, but we only support the child and descendant + // selector for now. + // + private function parseMixinCall() { + $char = $this->input[$this->pos]; + if ( $char !== '.' && $char !== '#' ) { + return; + } + + $index = $this->pos; + $this->save(); // stop us absorbing part of an invalid selector + + $elements = $this->parseMixinCallElements(); + + if ( $elements ) { + + if ( $this->MatchChar( '(' ) ) { + $returned = $this->parseMixinArgs( true ); + $args = $returned['args']; + $this->expectChar( ')' ); + } else { + $args = []; + } + + $important = $this->parseImportant(); + + if ( $this->parseEnd() ) { + $this->forget(); + return $this->NewObj( 'Less_Tree_Mixin_Call', [ $elements, $args, $index, $this->env->currentFileInfo, $important ] ); + } + } + + $this->restore(); + } + + private function parseMixinCallElements() { + $elements = []; + $c = null; + + while ( true ) { + $elemIndex = $this->pos; + $e = $this->MatchReg( '/\\G[#.](?:[\w-]|\\\\(?:[A-Fa-f0-9]{1,6} ?|[^A-Fa-f0-9]))+/' ); + if ( !$e ) { + break; + } + $elements[] = $this->NewObj( 'Less_Tree_Element', [ $c, $e[0], $elemIndex, $this->env->currentFileInfo ] ); + $c = $this->MatchChar( '>' ); + } + + return $elements; + } + + /** + * @param bool $isCall + */ + private function parseMixinArgs( $isCall ) { + $expressions = []; + $argsSemiColon = []; + $isSemiColonSeperated = null; + $argsComma = []; + $expressionContainsNamed = null; + $name = null; + $returner = [ 'args' => [], 'variadic' => false ]; + + $this->save(); + + while ( true ) { + if ( $isCall ) { + $arg = $this->MatchFuncs( [ 'parseDetachedRuleset', 'parseExpression' ] ); + } else { + $this->parseComments(); + if ( $this->input[ $this->pos ] === '.' && $this->MatchReg( '/\\G\.{3}/' ) ) { + $returner['variadic'] = true; + if ( $this->MatchChar( ";" ) && !$isSemiColonSeperated ) { + $isSemiColonSeperated = true; + } + + if ( $isSemiColonSeperated ) { + $argsSemiColon[] = [ 'variadic' => true ]; + } else { + $argsComma[] = [ 'variadic' => true ]; + } + break; + } + $arg = $this->MatchFuncs( [ 'parseEntitiesVariable', 'parseEntitiesLiteral', 'parseEntitiesKeyword' ] ); + } + '@phan-var Less_Tree_DetachedRuleset|Less_Tree_Expression|Less_Tree_Variable|Less_Tree_Dimension|Less_Tree_Color|Less_Tree_Quoted|Less_Tree_UnicodeDescriptor|Less_Tree_Keyword|null $arg'; + + if ( !$arg ) { + break; + } + + $nameLoop = null; + if ( $arg instanceof Less_Tree_Expression ) { + $arg->throwAwayComments(); + } + $value = $arg; + $val = null; + + if ( $isCall ) { + // Variable + if ( property_exists( $arg, 'value' ) && count( $arg->value ) == 1 ) { + $val = $arg->value[0]; + } + } else { + $val = $arg; + } + + if ( $val instanceof Less_Tree_Variable ) { + + if ( $this->MatchChar( ':' ) ) { + if ( $expressions ) { + if ( $isSemiColonSeperated ) { + $this->Error( 'Cannot mix ; and , as delimiter types' ); + } + $expressionContainsNamed = true; + } + + // we do not support setting a ruleset as a default variable - it doesn't make sense + // However if we do want to add it, there is nothing blocking it, just don't error + // and remove isCall dependency below + $value = null; + if ( $isCall ) { + $value = $this->parseDetachedRuleset(); + } + if ( !$value ) { + $value = $this->parseExpression(); + } + + if ( !$value ) { + if ( $isCall ) { + $this->Error( 'could not understand value for named argument' ); + } else { + $this->restore(); + $returner['args'] = []; + return $returner; + } + } + + $nameLoop = ( $name = $val->name ); + } elseif ( !$isCall && $this->MatchReg( '/\\G\.{3}/' ) ) { + $returner['variadic'] = true; + if ( $this->MatchChar( ";" ) && !$isSemiColonSeperated ) { + $isSemiColonSeperated = true; + } + if ( $isSemiColonSeperated ) { + $argsSemiColon[] = [ 'name' => $arg->name, 'variadic' => true ]; + } else { + $argsComma[] = [ 'name' => $arg->name, 'variadic' => true ]; + } + break; + } elseif ( !$isCall ) { + $name = $nameLoop = $val->name; + $value = null; + } + } + + if ( $value ) { + $expressions[] = $value; + } + + $argsComma[] = [ 'name' => $nameLoop, 'value' => $value ]; + + if ( $this->MatchChar( ',' ) ) { + continue; + } + + if ( $this->MatchChar( ';' ) || $isSemiColonSeperated ) { + + if ( $expressionContainsNamed ) { + $this->Error( 'Cannot mix ; and , as delimiter types' ); + } + + $isSemiColonSeperated = true; + + if ( count( $expressions ) > 1 ) { + $value = $this->NewObj( 'Less_Tree_Value', [ $expressions ] ); + } + $argsSemiColon[] = [ 'name' => $name, 'value' => $value ]; + + $name = null; + $expressions = []; + $expressionContainsNamed = false; + } + } + + $this->forget(); + $returner['args'] = ( $isSemiColonSeperated ? $argsSemiColon : $argsComma ); + return $returner; + } + + // + // A Mixin definition, with a list of parameters + // + // .rounded (@radius: 2px, @color) { + // ... + // } + // + // Until we have a finer grained state-machine, we have to + // do a look-ahead, to make sure we don't have a mixin call. + // See the `rule` function for more information. + // + // We start by matching `.rounded (`, and then proceed on to + // the argument list, which has optional default values. + // We store the parameters in `params`, with a `value` key, + // if there is a value, such as in the case of `@radius`. + // + // Once we've got our params list, and a closing `)`, we parse + // the `{...}` block. + // + private function parseMixinDefinition() { + $cond = null; + + $char = $this->input[$this->pos]; + // TODO: Less.js doesn't limit this to $char == '{'. + if ( ( $char !== '.' && $char !== '#' ) || ( $char === '{' && $this->PeekReg( '/\\G[^{]*\}/' ) ) ) { + return; + } + + $this->save(); + + $match = $this->MatchReg( '/\\G([#.](?:[\w-]|\\\(?:[A-Fa-f0-9]{1,6} ?|[^A-Fa-f0-9]))+)\s*\(/' ); + if ( $match ) { + $name = $match[1]; + + $argInfo = $this->parseMixinArgs( false ); + $params = $argInfo['args']; + $variadic = $argInfo['variadic']; + + // .mixincall("@{a}"); + // looks a bit like a mixin definition.. + // also + // .mixincall(@a: {rule: set;}); + // so we have to be nice and restore + if ( !$this->MatchChar( ')' ) ) { + $this->restore(); + return; + } + + $this->parseComments(); + + if ( $this->MatchReg( '/\\Gwhen/' ) ) { // Guard + $cond = $this->expect( 'parseConditions', 'Expected conditions' ); + } + + $ruleset = $this->parseBlock(); + + if ( $ruleset !== null ) { + $this->forget(); + return $this->NewObj( 'Less_Tree_Mixin_Definition', [ $name, $params, $ruleset, $cond, $variadic ] ); + } + + $this->restore(); + } else { + $this->forget(); + } + } + + // + // Entities are the smallest recognized token, + // and can be found inside a rule's value. + // + private function parseEntity() { + return $this->MatchFuncs( [ 'parseEntitiesLiteral','parseEntitiesVariable','parseEntitiesUrl','parseEntitiesCall','parseEntitiesKeyword','parseEntitiesJavascript','parseComment' ] ); + } + + // + // A Rule terminator. Note that we use `peek()` to check for '}', + // because the `block` rule will be expecting it, but we still need to make sure + // it's there, if ';' was omitted. + // + private function parseEnd() { + return $this->MatchChar( ';' ) || $this->PeekChar( '}' ); + } + + // + // IE's alpha function + // + // alpha(opacity=88) + // + private function parseAlpha() { + if ( !$this->MatchReg( '/\\G\(opacity=/i' ) ) { + return; + } + + $value = $this->MatchReg( '/\\G[0-9]+/' ); + if ( $value ) { + $value = $value[0]; + } else { + $value = $this->parseEntitiesVariable(); + if ( !$value ) { + return; + } + } + + $this->expectChar( ')' ); + return $this->NewObj( 'Less_Tree_Alpha', [ $value ] ); + } + + /** + * A Selector Element + * + * div + * + h1 + * #socks + * input[type="text"] + * + * Elements are the building blocks for Selectors, + * they are made out of a `Combinator` (see combinator rule), + * and an element name, such as a tag a class, or `*`. + * + * @return Less_Tree_Element|null + * @see less-2.5.3.js#parsers.element + */ + private function parseElement() { + $c = $this->parseCombinator(); + $index = $this->pos; + + // TODO: Speed up by calling MatchChar directly, like less.js does + $e = $this->matcher( [ + '/\\G(?:\d+\.\d+|\d+)%/', + '/\\G(?:[.#]?|:*)(?:[\w-]|[^\x00-\x9f]|\\\\(?:[A-Fa-f0-9]{1,6} ?|[^A-Fa-f0-9]))+/', + '#*', + '#&', + 'parseAttribute', + '/\\G\([^&()@]+\)/', + '/\\G[\.#:](?=@)/', + 'parseEntitiesVariableCurly' + ] ); + + if ( $e === null ) { + $this->save(); + if ( $this->MatchChar( '(' ) ) { + if ( ( $v = $this->parseSelector() ) && $this->MatchChar( ')' ) ) { + $e = $this->NewObj( 'Less_Tree_Paren', [ $v ] ); + $this->forget(); + } else { + $this->restore(); + } + } else { + $this->forget(); + } + } + + if ( $e !== null ) { + return $this->NewObj( 'Less_Tree_Element', [ $c, $e, $index, $this->env->currentFileInfo ] ); + } + } + + // + // Combinators combine elements together, in a Selector. + // + // Because our parser isn't white-space sensitive, special care + // has to be taken, when parsing the descendant combinator, ` `, + // as it's an empty space. We have to check the previous character + // in the input, to see if it's a ` ` character. + // + // @see less-2.5.3.js#parsers.combinator + private function parseCombinator() { + if ( $this->pos < $this->input_len ) { + $c = $this->input[$this->pos]; + // TODO: Figure out why less.js also handles '/' here, and implement with regression test. + if ( $c === '>' || $c === '+' || $c === '~' || $c === '|' || $c === '^' ) { + + $this->pos++; + if ( $this->input[$this->pos] === '^' ) { + $c = '^^'; + $this->pos++; + } + + $this->skipWhitespace( 0 ); + + return $c; + } + + if ( $this->pos > 0 && $this->isWhitespace( -1 ) ) { + return ' '; + } + } + } + + /** + * A CSS selector (see selector below) + * with less extensions e.g. the ability to extend and guard + * + * @return Less_Tree_Selector|null + * @see less-2.5.3.js#parsers.lessSelector + */ + private function parseLessSelector() { + return $this->parseSelector( true ); + } + + /** + * A CSS Selector + * + * .class > div + h1 + * li a:hover + * + * Selectors are made out of one or more Elements, see ::parseElement. + * + * @return Less_Tree_Selector|null + * @see less-2.5.3.js#parsers.selector + */ + private function parseSelector( $isLess = false ) { + $elements = []; + $extendList = []; + $condition = null; + $when = false; + $extend = false; + $e = null; + $c = null; + $index = $this->pos; + + while ( ( $isLess && ( $extend = $this->parseExtend() ) ) || ( $isLess && ( $when = $this->MatchReg( '/\\Gwhen/' ) ) ) || ( $e = $this->parseElement() ) ) { + if ( $when ) { + $condition = $this->expect( 'parseConditions', 'expected condition' ); + } elseif ( $condition ) { + // error("CSS guard can only be used at the end of selector"); + } elseif ( $extend ) { + $extendList = array_merge( $extendList, $extend ); + } else { + // if( count($extendList) ){ + //error("Extend can only be used at the end of selector"); + //} + if ( $this->pos < $this->input_len ) { + $c = $this->input[ $this->pos ]; + } + $elements[] = $e; + $e = null; + } + + if ( $c === '{' || $c === '}' || $c === ';' || $c === ',' || $c === ')' ) { + break; + } + } + + if ( $elements ) { + return $this->NewObj( 'Less_Tree_Selector', [ $elements, $extendList, $condition, $index, $this->env->currentFileInfo ] ); + } + if ( $extendList ) { + $this->Error( 'Extend must be used to extend a selector, it cannot be used on its own' ); + } + } + + private function parseTag() { + return ( $tag = $this->MatchReg( '/\\G[A-Za-z][A-Za-z-]*[0-9]?/' ) ) ? $tag : $this->MatchChar( '*' ); + } + + private function parseAttribute() { + $val = null; + + if ( !$this->MatchChar( '[' ) ) { + return; + } + + $key = $this->parseEntitiesVariableCurly(); + if ( !$key ) { + $key = $this->expect( '/\\G(?:[_A-Za-z0-9-\*]*\|)?(?:[_A-Za-z0-9-]|\\\\.)+/' ); + } + + $op = $this->MatchReg( '/\\G[|~*$^]?=/' ); + if ( $op ) { + $val = $this->matcher( [ 'parseEntitiesQuoted','/\\G[0-9]+%/','/\\G[\w-]+/','parseEntitiesVariableCurly' ] ); + } + + $this->expectChar( ']' ); + + return $this->NewObj( 'Less_Tree_Attribute', [ $key, $op === null ? null : $op[0], $val ] ); + } + + /** + * The `block` rule is used by `ruleset` and `mixin.definition`. + * It's a wrapper around the `primary` rule, with added `{}`. + * + * @return array<Less_Tree>|null + * @see less-2.5.3.js#parsers.block + */ + private function parseBlock() { + if ( $this->MatchChar( '{' ) ) { + $content = $this->parsePrimary(); + if ( $this->MatchChar( '}' ) ) { + return $content; + } + } + } + + private function parseBlockRuleset() { + $block = $this->parseBlock(); + + if ( $block ) { + $block = $this->NewObj( 'Less_Tree_Ruleset', [ null, $block ] ); + } + + return $block; + } + + /** @return Less_Tree_DetachedRuleset|null */ + private function parseDetachedRuleset() { + $blockRuleset = $this->parseBlockRuleset(); + if ( $blockRuleset ) { + return $this->NewObj( 'Less_Tree_DetachedRuleset', [ $blockRuleset ] ); + } + } + + /** + * Ruleset such as: + * + * div, .class, body > p { + * } + * + * @return Less_Tree_Ruleset|null + * @see less-2.5.3.js#parsers.ruleset + */ + private function parseRuleset() { + $selectors = []; + + $this->save(); + + while ( true ) { + $s = $this->parseLessSelector(); + if ( !$s ) { + break; + } + $selectors[] = $s; + $this->parseComments(); + + if ( $s->condition && count( $selectors ) > 1 ) { + $this->Error( 'Guards are only currently allowed on a single selector.' ); + } + + if ( !$this->MatchChar( ',' ) ) { + break; + } + if ( $s->condition ) { + $this->Error( 'Guards are only currently allowed on a single selector.' ); + } + $this->parseComments(); + } + + if ( $selectors ) { + $rules = $this->parseBlock(); + if ( is_array( $rules ) ) { + $this->forget(); + // TODO: Less_Environment::$strictImports is not yet ported + // It is passed here by less.js + return $this->NewObj( 'Less_Tree_Ruleset', [ $selectors, $rules ] ); + } + } + + // Backtrack + $this->restore(); + } + + /** + * Custom less.php parse function for finding simple name-value css pairs + * ex: width:100px; + */ + private function parseNameValue() { + $index = $this->pos; + $this->save(); + + $match = $this->MatchReg( '/\\G([a-zA-Z\-]+)\s*:\s*([\'"]?[#a-zA-Z0-9\-%\.,]+?[\'"]?) *(! *important)?\s*([;}])/' ); + if ( $match ) { + + if ( $match[4] == '}' ) { + $this->pos = $index + strlen( $match[0] ) - 1; + } + + if ( $match[3] ) { + $match[2] .= ' !important'; + } + + return $this->NewObj( 'Less_Tree_NameValue', [ $match[1], $match[2], $index, $this->env->currentFileInfo ] ); + } + + $this->restore(); + } + + // @see less-2.5.3.js#parsers.rule + private function parseRule( $tryAnonymous = null ) { + $value = null; + $startOfRule = $this->pos; + $c = $this->input[$this->pos]; + $important = null; + $merge = false; + + // TODO: Figure out why less.js also handles ':' here, and implement with regression test. + if ( $c === '.' || $c === '#' || $c === '&' ) { + return; + } + + $this->save(); + $name = $this->MatchFuncs( [ 'parseVariable', 'parseRuleProperty' ] ); + + if ( $name ) { + $isVariable = is_string( $name ); + + if ( $isVariable ) { + $value = $this->parseDetachedRuleset(); + } + + if ( !$value ) { + // a name returned by this.ruleProperty() is always an array of the form: + // [string-1, ..., string-n, ""] or [string-1, ..., string-n, "+"] + // where each item is a tree.Keyword or tree.Variable + if ( !$isVariable && count( $name ) > 1 ) { + $merge = array_pop( $name )->value; + } + + // prefer to try to parse first if its a variable or we are compressing + // but always fallback on the other one + $tryValueFirst = ( !$tryAnonymous && ( self::$options['compress'] || $isVariable ) ); + if ( $tryValueFirst ) { + $value = $this->parseValue(); + } + if ( !$value ) { + $value = $this->parseAnonymousValue(); + if ( $value ) { + $this->forget(); + // anonymous values absorb the end ';' which is required for them to work + return $this->NewObj( 'Less_Tree_Rule', [ $name, $value, false, $merge, $startOfRule, $this->env->currentFileInfo ] ); + } + } + if ( !$tryValueFirst && !$value ) { + $value = $this->parseValue(); + } + + $important = $this->parseImportant(); + } + + if ( $value && $this->parseEnd() ) { + $this->forget(); + return $this->NewObj( 'Less_Tree_Rule', [ $name, $value, $important, $merge, $startOfRule, $this->env->currentFileInfo ] ); + } else { + $this->restore(); + if ( $value && !$tryAnonymous ) { + return $this->parseRule( true ); + } + } + } else { + $this->forget(); + } + } + + function parseAnonymousValue() { + $match = $this->MatchReg( '/\\G([^@+\/\'"*`(;{}-]*);/' ); + if ( $match ) { + return $this->NewObj( 'Less_Tree_Anonymous', [ $match[1] ] ); + } + } + + // + // An @import directive + // + // @import "lib"; + // + // Depending on our environment, importing is done differently: + // In the browser, it's an XHR request, in Node, it would be a + // file-system operation. The function used for importing is + // stored in `import`, which we pass to the Import constructor. + // + private function parseImport() { + $this->save(); + + $dir = $this->MatchReg( '/\\G@import?\s+/' ); + + if ( $dir ) { + $options = $this->parseImportOptions(); + $path = $this->MatchFuncs( [ 'parseEntitiesQuoted','parseEntitiesUrl' ] ); + + if ( $path ) { + $features = $this->parseMediaFeatures(); + if ( $this->MatchChar( ';' ) ) { + if ( $features ) { + $features = $this->NewObj( 'Less_Tree_Value', [ $features ] ); + } + + $this->forget(); + return $this->NewObj( 'Less_Tree_Import', [ $path, $features, $options, $this->pos, $this->env->currentFileInfo ] ); + } + } + } + + $this->restore(); + } + + private function parseImportOptions() { + $options = []; + + // list of options, surrounded by parens + if ( !$this->MatchChar( '(' ) ) { + return $options; + } + do{ + $optionName = $this->parseImportOption(); + if ( $optionName ) { + $value = true; + switch ( $optionName ) { + case "css": + $optionName = "less"; + $value = false; + break; + case "once": + $optionName = "multiple"; + $value = false; + break; + } + $options[$optionName] = $value; + if ( !$this->MatchChar( ',' ) ) { break; + } + } + }while ( $optionName ); + $this->expectChar( ')' ); + return $options; + } + + private function parseImportOption() { + $opt = $this->MatchReg( '/\\G(less|css|multiple|once|inline|reference|optional)/' ); + if ( $opt ) { + return $opt[1]; + } + } + + private function parseMediaFeature() { + $nodes = []; + + do{ + $e = $this->MatchFuncs( [ 'parseEntitiesKeyword','parseEntitiesVariable' ] ); + if ( $e ) { + $nodes[] = $e; + } elseif ( $this->MatchChar( '(' ) ) { + $p = $this->parseProperty(); + $e = $this->parseValue(); + if ( $this->MatchChar( ')' ) ) { + if ( $p && $e ) { + $r = $this->NewObj( 'Less_Tree_Rule', [ $p, $e, null, null, $this->pos, $this->env->currentFileInfo, true ] ); + $nodes[] = $this->NewObj( 'Less_Tree_Paren', [ $r ] ); + } elseif ( $e ) { + $nodes[] = $this->NewObj( 'Less_Tree_Paren', [ $e ] ); + } else { + return null; + } + } else { + return null; + } + } + } while ( $e ); + + if ( $nodes ) { + return $this->NewObj( 'Less_Tree_Expression', [ $nodes ] ); + } + } + + private function parseMediaFeatures() { + $features = []; + + do { + $e = $this->parseMediaFeature(); + if ( $e ) { + $features[] = $e; + if ( !$this->MatchChar( ',' ) ) { + break; + } + } else { + $e = $this->parseEntitiesVariable(); + if ( $e ) { + $features[] = $e; + if ( !$this->MatchChar( ',' ) ) { + break; + } + } + } + } while ( $e ); + + return $features ?: null; + } + + private function parseMedia() { + if ( $this->MatchReg( '/\\G@media/' ) ) { + $this->save(); + + $features = $this->parseMediaFeatures(); + $rules = $this->parseBlock(); + + if ( $rules === null ) { + $this->restore(); + return; + } + + $this->forget(); + return $this->NewObj( 'Less_Tree_Media', [ $rules, $features, $this->pos, $this->env->currentFileInfo ] ); + } + } + + // + // A CSS Directive + // + // @charset "utf-8"; + // + private function parseDirective() { + if ( !$this->PeekChar( '@' ) ) { + return; + } + + $rules = null; + $index = $this->pos; + $hasBlock = true; + $hasIdentifier = false; + $hasExpression = false; + $hasUnknown = false; + + $value = $this->MatchFuncs( [ + 'parseImport', + 'parseMedia' + ] ); + if ( $value ) { + return $value; + } + + $this->save(); + + $name = $this->MatchReg( '/\\G@[a-z-]+/' ); + + if ( !$name ) { + return; + } + $name = $name[0]; + + $nonVendorSpecificName = $name; + $pos = strpos( $name, '-', 2 ); + if ( $name[1] == '-' && $pos > 0 ) { + $nonVendorSpecificName = "@" . substr( $name, $pos + 1 ); + } + + switch ( $nonVendorSpecificName ) { + /* + case "@font-face": + case "@viewport": + case "@top-left": + case "@top-left-corner": + case "@top-center": + case "@top-right": + case "@top-right-corner": + case "@bottom-left": + case "@bottom-left-corner": + case "@bottom-center": + case "@bottom-right": + case "@bottom-right-corner": + case "@left-top": + case "@left-middle": + case "@left-bottom": + case "@right-top": + case "@right-middle": + case "@right-bottom": + hasBlock = true; + break; + */ + case "@charset": + $hasIdentifier = true; + $hasBlock = false; + break; + case "@namespace": + $hasExpression = true; + $hasBlock = false; + break; + case "@keyframes": + $hasIdentifier = true; + break; + case "@host": + case "@page": + case "@document": + case "@supports": + $hasUnknown = true; + break; + } + + if ( $hasIdentifier ) { + $value = $this->parseEntity(); + if ( !$value ) { + $this->error( "expected " . $name . " identifier" ); + } + } elseif ( $hasExpression ) { + $value = $this->parseExpression(); + if ( !$value ) { + $this->error( "expected " . $name . " expression" ); + } + } elseif ( $hasUnknown ) { + + $value = $this->MatchReg( '/\\G[^{;]+/' ); + if ( $value ) { + $value = $this->NewObj( 'Less_Tree_Anonymous', [ trim( $value[0] ) ] ); + } + } + + if ( $hasBlock ) { + $rules = $this->parseBlockRuleset(); + } + + if ( $rules || ( !$hasBlock && $value && $this->MatchChar( ';' ) ) ) { + $this->forget(); + return $this->NewObj( 'Less_Tree_Directive', [ $name, $value, $rules, $index, $this->env->currentFileInfo ] ); + } + + $this->restore(); + } + + // + // A Value is a comma-delimited list of Expressions + // + // font-family: Baskerville, Georgia, serif; + // + // In a Rule, a Value represents everything after the `:`, + // and before the `;`. + // + private function parseValue() { + $expressions = []; + + do{ + $e = $this->parseExpression(); + if ( $e ) { + $expressions[] = $e; + if ( !$this->MatchChar( ',' ) ) { + break; + } + } + } while ( $e ); + + if ( $expressions ) { + return $this->NewObj( 'Less_Tree_Value', [ $expressions ] ); + } + } + + private function parseImportant() { + if ( $this->PeekChar( '!' ) && $this->MatchReg( '/\\G! *important/' ) ) { + return ' !important'; + } + } + + private function parseSub() { + if ( $this->MatchChar( '(' ) ) { + $a = $this->parseAddition(); + if ( $a ) { + $this->expectChar( ')' ); + return $this->NewObj( 'Less_Tree_Expression', [ [ $a ], true ] ); // instead of $e->parens = true so the value is cached + } + } + } + + /** + * Parses multiplication operation + * + * @return Less_Tree_Operation|null + */ + function parseMultiplication() { + $return = $m = $this->parseOperand(); + if ( $return ) { + while ( true ) { + + $isSpaced = $this->isWhitespace( -1 ); + + if ( $this->PeekReg( '/\\G\/[*\/]/' ) ) { + break; + } + + $op = $this->MatchChar( '/' ); + if ( !$op ) { + $op = $this->MatchChar( '*' ); + if ( !$op ) { + break; + } + } + + $a = $this->parseOperand(); + + if ( !$a ) { break; + } + + $m->parensInOp = true; + $a->parensInOp = true; + $return = $this->NewObj( 'Less_Tree_Operation', [ $op, [ $return, $a ], $isSpaced ] ); + } + } + return $return; + } + + /** + * Parses an addition operation + * + * @return Less_Tree_Operation|null + */ + private function parseAddition() { + $return = $m = $this->parseMultiplication(); + if ( $return ) { + while ( true ) { + + $isSpaced = $this->isWhitespace( -1 ); + + $op = $this->MatchReg( '/\\G[-+]\s+/' ); + if ( $op ) { + $op = $op[0]; + } else { + if ( !$isSpaced ) { + $op = $this->matcher( [ '#+','#-' ] ); + } + if ( !$op ) { + break; + } + } + + $a = $this->parseMultiplication(); + if ( !$a ) { + break; + } + + $m->parensInOp = true; + $a->parensInOp = true; + $return = $this->NewObj( 'Less_Tree_Operation', [ $op, [ $return, $a ], $isSpaced ] ); + } + } + + return $return; + } + + /** + * Parses the conditions + * + * @return Less_Tree_Condition|null + */ + private function parseConditions() { + $index = $this->pos; + $return = $a = $this->parseCondition(); + if ( $a ) { + while ( true ) { + if ( !$this->PeekReg( '/\\G,\s*(not\s*)?\(/' ) || !$this->MatchChar( ',' ) ) { + break; + } + $b = $this->parseCondition(); + if ( !$b ) { + break; + } + + $return = $this->NewObj( 'Less_Tree_Condition', [ 'or', $return, $b, $index ] ); + } + return $return; + } + } + + private function parseCondition() { + $index = $this->pos; + $negate = false; + $c = null; + + if ( $this->MatchReg( '/\\Gnot/' ) ) { + $negate = true; + } + $this->expectChar( '(' ); + $a = $this->MatchFuncs( [ 'parseAddition','parseEntitiesKeyword','parseEntitiesQuoted' ] ); + + if ( $a ) { + $op = $this->MatchReg( '/\\G(?:>=|<=|=<|[<=>])/' ); + if ( $op ) { + $b = $this->MatchFuncs( [ 'parseAddition','parseEntitiesKeyword','parseEntitiesQuoted' ] ); + if ( $b ) { + $c = $this->NewObj( 'Less_Tree_Condition', [ $op[0], $a, $b, $index, $negate ] ); + } else { + $this->Error( 'Unexpected expression' ); + } + } else { + $k = $this->NewObj( 'Less_Tree_Keyword', [ 'true' ] ); + $c = $this->NewObj( 'Less_Tree_Condition', [ '=', $a, $k, $index, $negate ] ); + } + $this->expectChar( ')' ); + // @phan-suppress-next-line PhanPossiblyInfiniteRecursionSameParams + return $this->MatchReg( '/\\Gand/' ) ? $this->NewObj( 'Less_Tree_Condition', [ 'and', $c, $this->parseCondition() ] ) : $c; + } + } + + /** + * An operand is anything that can be part of an operation, + * such as a Color, or a Variable + */ + private function parseOperand() { + $negate = false; + $offset = $this->pos + 1; + if ( $offset >= $this->input_len ) { + return; + } + $char = $this->input[$offset]; + if ( $char === '@' || $char === '(' ) { + $negate = $this->MatchChar( '-' ); + } + + $o = $this->MatchFuncs( [ 'parseSub','parseEntitiesDimension','parseEntitiesColor','parseEntitiesVariable','parseEntitiesCall' ] ); + + if ( $negate ) { + $o->parensInOp = true; + $o = $this->NewObj( 'Less_Tree_Negative', [ $o ] ); + } + + return $o; + } + + /** + * Expressions either represent mathematical operations, + * or white-space delimited Entities. + * + * @return Less_Tree_Expression|null + */ + private function parseExpression() { + $entities = []; + + do { + $e = $this->MatchFuncs( [ 'parseAddition','parseEntity' ] ); + if ( $e ) { + $entities[] = $e; + // operations do not allow keyword "/" dimension (e.g. small/20px) so we support that here + if ( !$this->PeekReg( '/\\G\/[\/*]/' ) ) { + $delim = $this->MatchChar( '/' ); + if ( $delim ) { + $entities[] = $this->NewObj( 'Less_Tree_Anonymous', [ $delim ] ); + } + } + } + } while ( $e ); + + if ( $entities ) { + return $this->NewObj( 'Less_Tree_Expression', [ $entities ] ); + } + } + + /** + * Parse a property + * eg: 'min-width', 'orientation', etc + * + * @return string + */ + private function parseProperty() { + $name = $this->MatchReg( '/\\G(\*?-?[_a-zA-Z0-9-]+)\s*:/' ); + if ( $name ) { + return $name[1]; + } + } + + /** + * Parse a rule property + * eg: 'color', 'width', 'height', etc + * + * @return array<Less_Tree_Keyword|Less_Tree_Variable> + */ + private function parseRuleProperty() { + $name = []; + $index = []; + + $this->save(); + + $simpleProperty = $this->MatchReg( '/\\G([_a-zA-Z0-9-]+)\s*:/' ); + if ( $simpleProperty ) { + $name[] = $this->NewObj( 'Less_Tree_Keyword', [ $simpleProperty[1] ] ); + $this->forget(); + return $name; + } + + $this->rulePropertyMatch( '/\\G(\*?)/', $index, $name ); + + // Consume! + // @phan-suppress-next-line PhanPluginEmptyStatementWhileLoop + while ( $this->rulePropertyMatch( '/\\G((?:[\w-]+)|(?:@\{[\w-]+\}))/', $index, $name ) ); + + if ( ( count( $name ) > 1 ) && $this->rulePropertyMatch( '/\\G\s*((?:\+_|\+)?)\s*:/', $index, $name ) ) { + $this->forget(); + + // at last, we have the complete match now. move forward, + // convert name particles to tree objects and return: + if ( $name[0] === '' ) { + array_shift( $name ); + array_shift( $index ); + } + foreach ( $name as $k => $s ) { + if ( !$s || $s[0] !== '@' ) { + $name[$k] = $this->NewObj( 'Less_Tree_Keyword', [ $s ] ); + } else { + $name[$k] = $this->NewObj( 'Less_Tree_Variable', [ '@' . substr( $s, 2, -1 ), $index[$k], $this->env->currentFileInfo ] ); + } + } + return $name; + } else { + $this->restore(); + } + } + + private function rulePropertyMatch( $re, &$index, &$name ) { + $i = $this->pos; + $chunk = $this->MatchReg( $re ); + if ( $chunk ) { + $index[] = $i; + $name[] = $chunk[1]; + return true; + } + } + + public static function serializeVars( $vars ) { + $s = ''; + + foreach ( $vars as $name => $value ) { + $s .= ( ( $name[0] === '@' ) ? '' : '@' ) . $name . ': ' . $value . ( ( substr( $value, -1 ) === ';' ) ? '' : ';' ); + } + + return $s; + } + + /** + * Some versions of PHP have trouble with method_exists($a,$b) if $a is not an object + * + * @param mixed $a + * @param string $b + */ + public static function is_method( $a, $b ) { + return is_object( $a ) && method_exists( $a, $b ); + } + + /** + * Round numbers similarly to javascript + * eg: 1.499999 to 1 instead of 2 + */ + public static function round( $input, $precision = 0 ) { + $precision = pow( 10, $precision ); + $i = $input * $precision; + + $ceil = ceil( $i ); + $floor = floor( $i ); + if ( ( $ceil - $i ) <= ( $i - $floor ) ) { + return $ceil / $precision; + } else { + return $floor / $precision; + } + } + + /** + * Create a new instance of $class with args $args, and optionally generates a cache string. + * $class should be a Less_Tree_* class. + * + * @phan-template TClassName + * @phan-param class-string<TClassName> $class + * @phan-param array<int,mixed> $args + * @phan-return TClassName + * + * @param string $class + * @param mixed[] $args + * @return Less_Tree Instance of $class subclass created with $args + */ + public function NewObj( $class, $args = [] ) { + $obj = new $class( ...$args ); + if ( $this->CacheEnabled() ) { + $argStrings = array_map( + [ __CLASS__, 'ArgString' ], + $args + ); + $argCache = implode( ',', $argStrings ); + // @phan-suppress-next-line PhanTypeExpectedObjectPropAccess False positive + $obj->cache_string = " new $class($argCache)"; + } + return $obj; + } + + /** + * Convert an argument to a string for use in the parser cache + * + * @return string + */ + public static function ArgString( $arg ) { + $type = gettype( $arg ); + + if ( $type === 'object' ) { + $string = $arg->cache_string; + unset( $arg->cache_string ); + return $string; + + } elseif ( $type === 'array' ) { + $string = ' Array('; + foreach ( $arg as $k => $a ) { + $string .= var_export( $k, true ) . ' => ' . self::ArgString( $a ) . ','; + } + return $string . ')'; + } + + return var_export( $arg, true ); + } + + /** @return never */ + public function Error( $msg ) { + throw new Less_Exception_Parser( $msg, null, $this->furthest, $this->env->currentFileInfo ); + } + + public static function WinPath( $path ) { + return str_replace( '\\', '/', $path ); + } + + public static function AbsPath( $path, $winPath = false ) { + if ( strpos( $path, '//' ) !== false && preg_match( '/^(https?:)?\/\//i', $path ) ) { + return $winPath ? '' : false; + } else { + $path = realpath( $path ); + if ( $winPath ) { + $path = self::WinPath( $path ); + } + return $path; + } + } + + public function CacheEnabled() { + return ( self::$options['cache_method'] && ( Less_Cache::$cache_dir || ( self::$options['cache_method'] == 'callback' ) ) ); + } + +} diff --git a/vendor/wikimedia/less.php/lib/Less/SourceMap/Base64VLQ.php b/vendor/wikimedia/less.php/lib/Less/SourceMap/Base64VLQ.php new file mode 100644 index 0000000..c27c6ed --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/SourceMap/Base64VLQ.php @@ -0,0 +1,185 @@ +<?php +/** + * Encode / Decode Base64 VLQ. + * + * @private + */ +class Less_SourceMap_Base64VLQ { + + /** + * Shift + * + * @var int + */ + private $shift = 5; + + /** + * Mask + * + * @var int + */ + private $mask = 0x1F; // == (1 << shift) == 0b00011111 + + /** + * Continuation bit + * + * @var int + */ + private $continuationBit = 0x20; // == (mask - 1 ) == 0b00100000 + + /** + * Char to integer map + * + * @var array + */ + private $charToIntMap = [ + 'A' => 0, 'B' => 1, 'C' => 2, 'D' => 3, 'E' => 4, 'F' => 5, 'G' => 6, + 'H' => 7,'I' => 8, 'J' => 9, 'K' => 10, 'L' => 11, 'M' => 12, 'N' => 13, + 'O' => 14, 'P' => 15, 'Q' => 16, 'R' => 17, 'S' => 18, 'T' => 19, 'U' => 20, + 'V' => 21, 'W' => 22, 'X' => 23, 'Y' => 24, 'Z' => 25, 'a' => 26, 'b' => 27, + 'c' => 28, 'd' => 29, 'e' => 30, 'f' => 31, 'g' => 32, 'h' => 33, 'i' => 34, + 'j' => 35, 'k' => 36, 'l' => 37, 'm' => 38, 'n' => 39, 'o' => 40, 'p' => 41, + 'q' => 42, 'r' => 43, 's' => 44, 't' => 45, 'u' => 46, 'v' => 47, 'w' => 48, + 'x' => 49, 'y' => 50, 'z' => 51, 0 => 52, 1 => 53, 2 => 54, 3 => 55, 4 => 56, + 5 => 57, 6 => 58, 7 => 59, 8 => 60, 9 => 61, '+' => 62, '/' => 63, + ]; + + /** + * Integer to char map + * + * @var array + */ + private $intToCharMap = [ + 0 => 'A', 1 => 'B', 2 => 'C', 3 => 'D', 4 => 'E', 5 => 'F', 6 => 'G', + 7 => 'H', 8 => 'I', 9 => 'J', 10 => 'K', 11 => 'L', 12 => 'M', 13 => 'N', + 14 => 'O', 15 => 'P', 16 => 'Q', 17 => 'R', 18 => 'S', 19 => 'T', 20 => 'U', + 21 => 'V', 22 => 'W', 23 => 'X', 24 => 'Y', 25 => 'Z', 26 => 'a', 27 => 'b', + 28 => 'c', 29 => 'd', 30 => 'e', 31 => 'f', 32 => 'g', 33 => 'h', 34 => 'i', + 35 => 'j', 36 => 'k', 37 => 'l', 38 => 'm', 39 => 'n', 40 => 'o', 41 => 'p', + 42 => 'q', 43 => 'r', 44 => 's', 45 => 't', 46 => 'u', 47 => 'v', 48 => 'w', + 49 => 'x', 50 => 'y', 51 => 'z', 52 => '0', 53 => '1', 54 => '2', 55 => '3', + 56 => '4', 57 => '5', 58 => '6', 59 => '7', 60 => '8', 61 => '9', 62 => '+', + 63 => '/', + ]; + + /** + * Constructor + */ + public function __construct() { + // I leave it here for future reference + // foreach(str_split('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/') as $i => $char) + // { + // $this->charToIntMap[$char] = $i; + // $this->intToCharMap[$i] = $char; + // } + } + + /** + * Convert from a two-complement value to a value where the sign bit is + * is placed in the least significant bit. For example, as decimals: + * 1 becomes 2 (10 binary), -1 becomes 3 (11 binary) + * 2 becomes 4 (100 binary), -2 becomes 5 (101 binary) + * We generate the value for 32 bit machines, hence -2147483648 becomes 1, not 4294967297, + * even on a 64 bit machine. + * @param int $aValue + */ + public function toVLQSigned( $aValue ) { + return 0xffffffff & ( $aValue < 0 ? ( ( -$aValue ) << 1 ) + 1 : ( $aValue << 1 ) + 0 ); + } + + /** + * Convert to a two-complement value from a value where the sign bit is + * is placed in the least significant bit. For example, as decimals: + * 2 (10 binary) becomes 1, 3 (11 binary) becomes -1 + * 4 (100 binary) becomes 2, 5 (101 binary) becomes -2 + * We assume that the value was generated with a 32 bit machine in mind. + * Hence + * 1 becomes -2147483648 + * even on a 64 bit machine. + * @param int $aValue + */ + public function fromVLQSigned( $aValue ) { + return $aValue & 1 ? $this->zeroFill( ~$aValue + 2, 1 ) | ( -1 - 0x7fffffff ) : $this->zeroFill( $aValue, 1 ); + } + + /** + * Return the base 64 VLQ encoded value. + * + * @param int $aValue The value to encode + * @return string The encoded value + */ + public function encode( $aValue ) { + $encoded = ''; + $vlq = $this->toVLQSigned( $aValue ); + do + { + $digit = $vlq & $this->mask; + $vlq = $this->zeroFill( $vlq, $this->shift ); + if ( $vlq > 0 ) { + $digit |= $this->continuationBit; + } + $encoded .= $this->base64Encode( $digit ); + } while ( $vlq > 0 ); + + return $encoded; + } + + /** + * Return the value decoded from base 64 VLQ. + * + * @param string $encoded The encoded value to decode + * @return int The decoded value + */ + public function decode( $encoded ) { + $vlq = 0; + $i = 0; + do + { + $digit = $this->base64Decode( $encoded[$i] ); + $vlq |= ( $digit & $this->mask ) << ( $i * $this->shift ); + $i++; + } while ( $digit & $this->continuationBit ); + + return $this->fromVLQSigned( $vlq ); + } + + /** + * Right shift with zero fill. + * + * @param int $a number to shift + * @param int $b number of bits to shift + * @return int + */ + public function zeroFill( $a, $b ) { + return ( $a >= 0 ) ? ( $a >> $b ) : ( $a >> $b ) & ( PHP_INT_MAX >> ( $b - 1 ) ); + } + + /** + * Encode single 6-bit digit as base64. + * + * @param int $number + * @return string + * @throws Exception If the number is invalid + */ + public function base64Encode( $number ) { + if ( $number < 0 || $number > 63 ) { + throw new Exception( sprintf( 'Invalid number "%s" given. Must be between 0 and 63.', (string)$number ) ); + } + return $this->intToCharMap[$number]; + } + + /** + * Decode single 6-bit digit from base64 + * + * @param string $char + * @return int + * @throws Exception If the number is invalid + */ + public function base64Decode( $char ) { + if ( !array_key_exists( $char, $this->charToIntMap ) ) { + throw new Exception( sprintf( 'Invalid base 64 digit "%s" given.', $char ) ); + } + return $this->charToIntMap[$char]; + } + +} diff --git a/vendor/wikimedia/less.php/lib/Less/SourceMap/Generator.php b/vendor/wikimedia/less.php/lib/Less/SourceMap/Generator.php new file mode 100644 index 0000000..7da9609 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/SourceMap/Generator.php @@ -0,0 +1,354 @@ +<?php +/** + * Source map generator + * + * @private + */ +class Less_SourceMap_Generator extends Less_Configurable { + + /** + * What version of source map does the generator generate? + */ + private const VERSION = 3; + + /** + * Array of default options + * + * @var array + */ + protected $defaultOptions = [ + // an optional source root, useful for relocating source files + // on a server or removing repeated values in the 'sources' entry. + // This value is prepended to the individual entries in the 'source' field. + 'sourceRoot' => '', + + // an optional name of the generated code that this source map is associated with. + 'sourceMapFilename' => null, + + // url of the map + 'sourceMapURL' => null, + + // absolute path to a file to write the map to + 'sourceMapWriteTo' => null, + + // output source contents? + 'outputSourceFiles' => false, + + // base path for filename normalization + 'sourceMapRootpath' => '', + + // base path for filename normalization + 'sourceMapBasepath' => '' + ]; + + /** + * The base64 VLQ encoder + * + * @var Less_SourceMap_Base64VLQ + */ + protected $encoder; + + /** + * Array of mappings + * + * @var array + */ + protected $mappings = []; + + /** + * The root node + * + * @var Less_Tree_Ruleset + */ + protected $root; + + /** + * Array of contents map + * + * @var array + */ + protected $contentsMap = []; + + /** + * File to content map + * + * @var array + */ + protected $sources = []; + protected $source_keys = []; + + /** + * Constructor + * + * @param Less_Tree_Ruleset $root The root node + * @param array $contentsMap + * @param array $options Array of options + */ + public function __construct( Less_Tree_Ruleset $root, $contentsMap, $options = [] ) { + $this->root = $root; + $this->contentsMap = $contentsMap; + $this->encoder = new Less_SourceMap_Base64VLQ(); + + $this->SetOptions( $options ); + + $this->options['sourceMapRootpath'] = $this->fixWindowsPath( $this->options['sourceMapRootpath'], true ); + $this->options['sourceMapBasepath'] = $this->fixWindowsPath( $this->options['sourceMapBasepath'], true ); + } + + /** + * Generates the CSS + * + * @return string + */ + public function generateCSS() { + $output = new Less_Output_Mapped( $this->contentsMap, $this ); + + // catch the output + $this->root->genCSS( $output ); + + $sourceMapUrl = $this->getOption( 'sourceMapURL' ); + $sourceMapFilename = $this->getOption( 'sourceMapFilename' ); + $sourceMapContent = $this->generateJson(); + $sourceMapWriteTo = $this->getOption( 'sourceMapWriteTo' ); + + if ( !$sourceMapUrl && $sourceMapFilename ) { + $sourceMapUrl = $this->normalizeFilename( $sourceMapFilename ); + } + + // write map to a file + if ( $sourceMapWriteTo ) { + $this->saveMap( $sourceMapWriteTo, $sourceMapContent ); + } + + // inline the map + if ( !$sourceMapUrl ) { + $sourceMapUrl = sprintf( 'data:application/json,%s', Less_Functions::encodeURIComponent( $sourceMapContent ) ); + } + + if ( $sourceMapUrl ) { + $output->add( sprintf( '/*# sourceMappingURL=%s */', $sourceMapUrl ) ); + } + + return $output->toString(); + } + + /** + * Saves the source map to a file + * + * @param string $file The absolute path to a file + * @param string $content The content to write + * @throws Exception If the file could not be saved + */ + protected function saveMap( $file, $content ) { + $dir = dirname( $file ); + // directory does not exist + if ( !is_dir( $dir ) ) { + // FIXME: create the dir automatically? + throw new Exception( sprintf( 'The directory "%s" does not exist. Cannot save the source map.', $dir ) ); + } + // FIXME: proper saving, with dir write check! + if ( file_put_contents( $file, $content ) === false ) { + throw new Exception( sprintf( 'Cannot save the source map to "%s"', $file ) ); + } + return true; + } + + /** + * Normalizes the filename + * + * @param string $filename + * @return string + */ + protected function normalizeFilename( $filename ) { + $filename = $this->fixWindowsPath( $filename ); + + $rootpath = $this->getOption( 'sourceMapRootpath' ); + $basePath = $this->getOption( 'sourceMapBasepath' ); + + // "Trim" the 'sourceMapBasepath' from the output filename. + if ( is_string( $basePath ) && strpos( $filename, $basePath ) === 0 ) { + $filename = substr( $filename, strlen( $basePath ) ); + } + + // Remove extra leading path separators. + if ( strpos( $filename, '\\' ) === 0 || strpos( $filename, '/' ) === 0 ) { + $filename = substr( $filename, 1 ); + } + + return $rootpath . $filename; + } + + /** + * Adds a mapping + * + * @param int $generatedLine The line number in generated file + * @param int $generatedColumn The column number in generated file + * @param int $originalLine The line number in original file + * @param int $originalColumn The column number in original file + * @param array $fileInfo The original source file + */ + public function addMapping( $generatedLine, $generatedColumn, $originalLine, $originalColumn, $fileInfo ) { + $this->mappings[] = [ + 'generated_line' => $generatedLine, + 'generated_column' => $generatedColumn, + 'original_line' => $originalLine, + 'original_column' => $originalColumn, + 'source_file' => $fileInfo['currentUri'] + ]; + + $this->sources[$fileInfo['currentUri']] = $fileInfo['filename']; + } + + /** + * Generates the JSON source map + * + * @return string + * @see https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit# + */ + protected function generateJson() { + $sourceMap = []; + $mappings = $this->generateMappings(); + + // File version (always the first entry in the object) and must be a positive integer. + $sourceMap['version'] = self::VERSION; + + // An optional name of the generated code that this source map is associated with. + $file = $this->getOption( 'sourceMapFilename' ); + if ( $file ) { + $sourceMap['file'] = $file; + } + + // An optional source root, useful for relocating source files on a server or removing repeated values in the 'sources' entry. This value is prepended to the individual entries in the 'source' field. + $root = $this->getOption( 'sourceRoot' ); + if ( $root ) { + $sourceMap['sourceRoot'] = $root; + } + + // A list of original sources used by the 'mappings' entry. + $sourceMap['sources'] = []; + foreach ( $this->sources as $source_uri => $source_filename ) { + $sourceMap['sources'][] = $this->normalizeFilename( $source_filename ); + } + + // A list of symbol names used by the 'mappings' entry. + $sourceMap['names'] = []; + + // A string with the encoded mapping data. + $sourceMap['mappings'] = $mappings; + + if ( $this->getOption( 'outputSourceFiles' ) ) { + // An optional list of source content, useful when the 'source' can't be hosted. + // The contents are listed in the same order as the sources above. + // 'null' may be used if some original sources should be retrieved by name. + $sourceMap['sourcesContent'] = $this->getSourcesContent(); + } + + // less.js compat fixes + if ( count( $sourceMap['sources'] ) && empty( $sourceMap['sourceRoot'] ) ) { + unset( $sourceMap['sourceRoot'] ); + } + + return json_encode( $sourceMap ); + } + + /** + * Returns the sources contents + * + * @return array|null + */ + protected function getSourcesContent() { + if ( empty( $this->sources ) ) { + return; + } + $content = []; + foreach ( $this->sources as $sourceFile ) { + $content[] = file_get_contents( $sourceFile ); + } + return $content; + } + + /** + * Generates the mappings string + * + * @return string + */ + public function generateMappings() { + if ( !count( $this->mappings ) ) { + return ''; + } + + $this->source_keys = array_flip( array_keys( $this->sources ) ); + + // group mappings by generated line number. + $groupedMap = $groupedMapEncoded = []; + foreach ( $this->mappings as $m ) { + $groupedMap[$m['generated_line']][] = $m; + } + ksort( $groupedMap ); + + $lastGeneratedLine = $lastOriginalIndex = $lastOriginalLine = $lastOriginalColumn = 0; + + foreach ( $groupedMap as $lineNumber => $line_map ) { + while ( ++$lastGeneratedLine < $lineNumber ) { + $groupedMapEncoded[] = ';'; + } + + $lineMapEncoded = []; + $lastGeneratedColumn = 0; + + foreach ( $line_map as $m ) { + $mapEncoded = $this->encoder->encode( $m['generated_column'] - $lastGeneratedColumn ); + $lastGeneratedColumn = $m['generated_column']; + + // find the index + if ( $m['source_file'] ) { + $index = $this->findFileIndex( $m['source_file'] ); + if ( $index !== false ) { + $mapEncoded .= $this->encoder->encode( $index - $lastOriginalIndex ); + $lastOriginalIndex = $index; + + // lines are stored 0-based in SourceMap spec version 3 + $mapEncoded .= $this->encoder->encode( $m['original_line'] - 1 - $lastOriginalLine ); + $lastOriginalLine = $m['original_line'] - 1; + + $mapEncoded .= $this->encoder->encode( $m['original_column'] - $lastOriginalColumn ); + $lastOriginalColumn = $m['original_column']; + } + } + + $lineMapEncoded[] = $mapEncoded; + } + + $groupedMapEncoded[] = implode( ',', $lineMapEncoded ) . ';'; + } + + return rtrim( implode( $groupedMapEncoded ), ';' ); + } + + /** + * Finds the index for the filename + * + * @param string $filename + * @return int|false + */ + protected function findFileIndex( $filename ) { + return $this->source_keys[$filename]; + } + + /** + * fix windows paths + * @param string $path + * @param bool $addEndSlash + * @return string + */ + public function fixWindowsPath( $path, $addEndSlash = false ) { + $slash = ( $addEndSlash ) ? '/' : ''; + if ( !empty( $path ) ) { + $path = str_replace( '\\', '/', $path ); + $path = rtrim( $path, '/' ) . $slash; + } + + return $path; + } + +} diff --git a/vendor/wikimedia/less.php/lib/Less/Tree.php b/vendor/wikimedia/less.php/lib/Less/Tree.php new file mode 100644 index 0000000..f606b58 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Tree.php @@ -0,0 +1,95 @@ +<?php + +/** + * Tree + * + * TODO: Callers often use `property_exists(, 'value')` to distinguish + * tree nodes that are considerd value-holding. Refactor this to move + * the 'value' property that most subclasses implement to there, and use + * something else (special value, method, or intermediate class?) to + * signal whether a subclass is considered value-holding. + */ +class Less_Tree { + + public $cache_string; + public $parensInOp = false; + public $extendOnEveryPath; + public $allExtends; + + public function toCSS() { + $output = new Less_Output(); + $this->genCSS( $output ); + return $output->toString(); + } + + /** + * Generate CSS by adding it to the output object + * + * @param Less_Output $output The output + * @return void + */ + public function genCSS( $output ) { + } + + public function compile( $env ) { + return $this; + } + + /** + * @param Less_Output $output + * @param Less_Tree_Ruleset[] $rules + */ + public static function outputRuleset( $output, $rules ) { + $ruleCnt = count( $rules ); + Less_Environment::$tabLevel++; + + // Compressed + if ( Less_Parser::$options['compress'] ) { + $output->add( '{' ); + for ( $i = 0; $i < $ruleCnt; $i++ ) { + $rules[$i]->genCSS( $output ); + } + + $output->add( '}' ); + Less_Environment::$tabLevel--; + return; + } + + // Non-compressed + $tabSetStr = "\n" . str_repeat( Less_Parser::$options['indentation'], Less_Environment::$tabLevel - 1 ); + $tabRuleStr = $tabSetStr . Less_Parser::$options['indentation']; + + $output->add( " {" ); + for ( $i = 0; $i < $ruleCnt; $i++ ) { + $output->add( $tabRuleStr ); + $rules[$i]->genCSS( $output ); + } + Less_Environment::$tabLevel--; + $output->add( $tabSetStr . '}' ); + } + + public function accept( $visitor ) { + } + + public static function ReferencedArray( $rules ) { + foreach ( $rules as $rule ) { + if ( method_exists( $rule, 'markReferenced' ) ) { + // @phan-suppress-next-line PhanUndeclaredMethod + $rule->markReferenced(); + } + } + } + + /** + * Requires php 5.3+ + */ + public static function __set_state( $args ) { + $class = get_called_class(); + $obj = new $class( null, null, null, null ); + foreach ( $args as $key => $val ) { + $obj->$key = $val; + } + return $obj; + } + +} diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Alpha.php b/vendor/wikimedia/less.php/lib/Less/Tree/Alpha.php new file mode 100644 index 0000000..bdf5dee --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Tree/Alpha.php @@ -0,0 +1,44 @@ +<?php +/** + * @private + */ +class Less_Tree_Alpha extends Less_Tree { + public $value; + public $type = 'Alpha'; + + public function __construct( $val ) { + $this->value = $val; + } + + // function accept( $visitor ){ + // $this->value = $visitor->visit( $this->value ); + //} + + public function compile( $env ) { + if ( is_object( $this->value ) ) { + $this->value = $this->value->compile( $env ); + } + + return $this; + } + + /** + * @see Less_Tree::genCSS + */ + public function genCSS( $output ) { + $output->add( "alpha(opacity=" ); + + if ( is_string( $this->value ) ) { + $output->add( $this->value ); + } else { + $this->value->genCSS( $output ); + } + + $output->add( ')' ); + } + + public function toCSS() { + return "alpha(opacity=" . ( is_string( $this->value ) ? $this->value : $this->value->toCSS() ) . ")"; + } + +} diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Anonymous.php b/vendor/wikimedia/less.php/lib/Less/Tree/Anonymous.php new file mode 100644 index 0000000..6d588e9 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Tree/Anonymous.php @@ -0,0 +1,54 @@ +<?php +/** + * @private + */ +class Less_Tree_Anonymous extends Less_Tree { + public $value; + public $quote; + public $index; + public $mapLines; + public $currentFileInfo; + public $type = 'Anonymous'; + + /** + * @param int $index + * @param bool|null $mapLines + */ + public function __construct( $value, $index = null, $currentFileInfo = null, $mapLines = null ) { + $this->value = $value; + $this->index = $index; + $this->mapLines = $mapLines; + $this->currentFileInfo = $currentFileInfo; + } + + public function compile( $env ) { + return new Less_Tree_Anonymous( $this->value, $this->index, $this->currentFileInfo, $this->mapLines ); + } + + public function compare( $x ) { + if ( !is_object( $x ) ) { + return -1; + } + + $left = $this->toCSS(); + $right = $x->toCSS(); + + if ( $left === $right ) { + return 0; + } + + return $left < $right ? -1 : 1; + } + + /** + * @see Less_Tree::genCSS + */ + public function genCSS( $output ) { + $output->add( $this->value, $this->currentFileInfo, $this->index, $this->mapLines ); + } + + public function toCSS() { + return $this->value; + } + +} diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Assignment.php b/vendor/wikimedia/less.php/lib/Less/Tree/Assignment.php new file mode 100644 index 0000000..1f939a1 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Tree/Assignment.php @@ -0,0 +1,35 @@ +<?php +/** + * @private + */ +class Less_Tree_Assignment extends Less_Tree { + + public $key; + public $value; + public $type = 'Assignment'; + + public function __construct( $key, $val ) { + $this->key = $key; + $this->value = $val; + } + + public function accept( $visitor ) { + $this->value = $visitor->visitObj( $this->value ); + } + + public function compile( $env ) { + return new Less_Tree_Assignment( $this->key, $this->value->compile( $env ) ); + } + + /** + * @see Less_Tree::genCSS + */ + public function genCSS( $output ) { + $output->add( $this->key . '=' ); + $this->value->genCSS( $output ); + } + + public function toCss() { + return $this->key . '=' . $this->value->toCSS(); + } +} diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Attribute.php b/vendor/wikimedia/less.php/lib/Less/Tree/Attribute.php new file mode 100644 index 0000000..dd36595 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Tree/Attribute.php @@ -0,0 +1,49 @@ +<?php +/** + * @private + */ +class Less_Tree_Attribute extends Less_Tree { + + public $key; + public $op; + public $value; + public $type = 'Attribute'; + + public function __construct( $key, $op, $value ) { + $this->key = $key; + $this->op = $op; + $this->value = $value; + } + + public function compile( $env ) { + $key_obj = is_object( $this->key ); + $val_obj = is_object( $this->value ); + + if ( !$key_obj && !$val_obj ) { + return $this; + } + + return new Less_Tree_Attribute( + $key_obj ? $this->key->compile( $env ) : $this->key, + $this->op, + $val_obj ? $this->value->compile( $env ) : $this->value ); + } + + /** + * @see Less_Tree::genCSS + */ + public function genCSS( $output ) { + $output->add( $this->toCSS() ); + } + + public function toCSS() { + $value = $this->key; + + if ( $this->op ) { + $value .= $this->op; + $value .= ( is_object( $this->value ) ? $this->value->toCSS() : $this->value ); + } + + return '[' . $value . ']'; + } +} diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Call.php b/vendor/wikimedia/less.php/lib/Less/Tree/Call.php new file mode 100644 index 0000000..28a3a19 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Tree/Call.php @@ -0,0 +1,116 @@ +<?php +/** + * @private + */ +class Less_Tree_Call extends Less_Tree { + public $value; + + public $name; + public $args; + public $index; + public $currentFileInfo; + public $type = 'Call'; + + public function __construct( $name, $args, $index, $currentFileInfo = null ) { + $this->name = $name; + $this->args = $args; + $this->index = $index; + $this->currentFileInfo = $currentFileInfo; + } + + public function accept( $visitor ) { + $this->args = $visitor->visitArray( $this->args ); + } + + // + // When evaluating a function call, + // we either find the function in `tree.functions` [1], + // in which case we call it, passing the evaluated arguments, + // or we simply print it out as it appeared originally [2]. + // + // The *functions.js* file contains the built-in functions. + // + // The reason why we evaluate the arguments, is in the case where + // we try to pass a variable to a function, like: `saturate(@color)`. + // The function should receive the value, not the variable. + // + public function compile( $env = null ) { + $args = []; + foreach ( $this->args as $a ) { + $args[] = $a->compile( $env ); + } + + $nameLC = strtolower( $this->name ); + switch ( $nameLC ) { + case '%': + $nameLC = '_percent'; + break; + + case 'get-unit': + $nameLC = 'getunit'; + break; + + case 'data-uri': + $nameLC = 'datauri'; + break; + + case 'svg-gradient': + $nameLC = 'svggradient'; + break; + } + + $result = null; + if ( $nameLC === 'default' ) { + $result = Less_Tree_DefaultFunc::compile(); + } else { + $func = null; + if ( method_exists( 'Less_Functions', $nameLC ) ) { + $functions = new Less_Functions( $env, $this->currentFileInfo ); + $func = [ $functions, $nameLC ]; + } elseif ( isset( $env->functions[$nameLC] ) && is_callable( $env->functions[$nameLC] ) ) { + $func = $env->functions[$nameLC]; + } + // If the function name isn't known to LESS, output it unchanged as CSS. + if ( $func ) { + try { + $result = call_user_func_array( $func, $args ); + } catch ( Exception $e ) { + // Preserve original trace, especially from custom functions. + // https://github.com/wikimedia/less.php/issues/38 + throw new Less_Exception_Compiler( + 'error evaluating function `' . $this->name . '` ' . $e->getMessage() + . ' index: ' . $this->index, + $e + ); + } + } + } + + if ( $result !== null ) { + return $result; + } + + return new Less_Tree_Call( $this->name, $args, $this->index, $this->currentFileInfo ); + } + + /** + * @see Less_Tree::genCSS + */ + public function genCSS( $output ) { + $output->add( $this->name . '(', $this->currentFileInfo, $this->index ); + $args_len = count( $this->args ); + for ( $i = 0; $i < $args_len; $i++ ) { + $this->args[$i]->genCSS( $output ); + if ( $i + 1 < $args_len ) { + $output->add( ', ' ); + } + } + + $output->add( ')' ); + } + + // public function toCSS(){ + // return $this->compile()->toCSS(); + //} + +} diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Color.php b/vendor/wikimedia/less.php/lib/Less/Tree/Color.php new file mode 100644 index 0000000..427f47d --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Tree/Color.php @@ -0,0 +1,228 @@ +<?php +/** + * @private + */ +class Less_Tree_Color extends Less_Tree { + public $rgb; + public $alpha; + public $isTransparentKeyword; + public $type = 'Color'; + + public function __construct( $rgb, $a = 1, $isTransparentKeyword = null ) { + if ( $isTransparentKeyword ) { + $this->rgb = $rgb; + $this->alpha = $a; + $this->isTransparentKeyword = true; + return; + } + + $this->rgb = []; + if ( is_array( $rgb ) ) { + $this->rgb = $rgb; + } elseif ( strlen( $rgb ) == 6 ) { + foreach ( str_split( $rgb, 2 ) as $c ) { + $this->rgb[] = hexdec( $c ); + } + } else { + foreach ( str_split( $rgb, 1 ) as $c ) { + $this->rgb[] = hexdec( $c . $c ); + } + } + $this->alpha = is_numeric( $a ) ? $a : 1; + } + + public function luma() { + $r = $this->rgb[0] / 255; + $g = $this->rgb[1] / 255; + $b = $this->rgb[2] / 255; + + $r = ( $r <= 0.03928 ) ? $r / 12.92 : pow( ( ( $r + 0.055 ) / 1.055 ), 2.4 ); + $g = ( $g <= 0.03928 ) ? $g / 12.92 : pow( ( ( $g + 0.055 ) / 1.055 ), 2.4 ); + $b = ( $b <= 0.03928 ) ? $b / 12.92 : pow( ( ( $b + 0.055 ) / 1.055 ), 2.4 ); + + return 0.2126 * $r + 0.7152 * $g + 0.0722 * $b; + } + + /** + * @see Less_Tree::genCSS + */ + public function genCSS( $output ) { + $output->add( $this->toCSS() ); + } + + public function toCSS( $doNotCompress = false ) { + $compress = Less_Parser::$options['compress'] && !$doNotCompress; + $alpha = Less_Functions::fround( $this->alpha ); + + // + // If we have some transparency, the only way to represent it + // is via `rgba`. Otherwise, we use the hex representation, + // which has better compatibility with older browsers. + // Values are capped between `0` and `255`, rounded and zero-padded. + // + if ( $alpha < 1 ) { + if ( ( $alpha === 0 || $alpha === 0.0 ) && isset( $this->isTransparentKeyword ) && $this->isTransparentKeyword ) { + return 'transparent'; + } + + $values = []; + foreach ( $this->rgb as $c ) { + $values[] = Less_Functions::clamp( round( $c ), 255 ); + } + $values[] = $alpha; + + $glue = ( $compress ? ',' : ', ' ); + return "rgba(" . implode( $glue, $values ) . ")"; + } else { + + $color = $this->toRGB(); + + if ( $compress ) { + + // Convert color to short format + if ( $color[1] === $color[2] && $color[3] === $color[4] && $color[5] === $color[6] ) { + $color = '#' . $color[1] . $color[3] . $color[5]; + } + } + + return $color; + } + } + + // + // Operations have to be done per-channel, if not, + // channels will spill onto each other. Once we have + // our result, in the form of an integer triplet, + // we create a new Color node to hold the result. + // + + /** + * @param string $op + */ + public function operate( $op, $other ) { + $rgb = []; + $alpha = $this->alpha * ( 1 - $other->alpha ) + $other->alpha; + for ( $c = 0; $c < 3; $c++ ) { + $rgb[$c] = Less_Functions::operate( $op, $this->rgb[$c], $other->rgb[$c] ); + } + return new Less_Tree_Color( $rgb, $alpha ); + } + + public function toRGB() { + return $this->toHex( $this->rgb ); + } + + public function toHSL() { + $r = $this->rgb[0] / 255; + $g = $this->rgb[1] / 255; + $b = $this->rgb[2] / 255; + $a = $this->alpha; + + $max = max( $r, $g, $b ); + $min = min( $r, $g, $b ); + $l = ( $max + $min ) / 2; + $d = $max - $min; + + $h = $s = 0; + if ( $max !== $min ) { + $s = $l > 0.5 ? $d / ( 2 - $max - $min ) : $d / ( $max + $min ); + + switch ( $max ) { + case $r: + $h = ( $g - $b ) / $d + ( $g < $b ? 6 : 0 ); + break; + case $g: + $h = ( $b - $r ) / $d + 2; + break; + case $b: + $h = ( $r - $g ) / $d + 4; + break; + } + $h /= 6; + } + return [ 'h' => $h * 360, 's' => $s, 'l' => $l, 'a' => $a ]; + } + + // Adapted from http://mjijackson.com/2008/02/rgb-to-hsl-and-rgb-to-hsv-color-model-conversion-algorithms-in-javascript + public function toHSV() { + $r = $this->rgb[0] / 255; + $g = $this->rgb[1] / 255; + $b = $this->rgb[2] / 255; + $a = $this->alpha; + + $max = max( $r, $g, $b ); + $min = min( $r, $g, $b ); + + $v = $max; + + $d = $max - $min; + if ( $max === 0 ) { + $s = 0; + } else { + $s = $d / $max; + } + + $h = 0; + if ( $max !== $min ) { + switch ( $max ) { + case $r: + $h = ( $g - $b ) / $d + ( $g < $b ? 6 : 0 ); + break; + case $g: + $h = ( $b - $r ) / $d + 2; + break; + case $b: + $h = ( $r - $g ) / $d + 4; + break; + } + $h /= 6; + } + return [ 'h' => $h * 360, 's' => $s, 'v' => $v, 'a' => $a ]; + } + + public function toARGB() { + $argb = array_merge( (array)Less_Parser::round( $this->alpha * 255 ), $this->rgb ); + return $this->toHex( $argb ); + } + + public function compare( $x ) { + if ( !property_exists( $x, 'rgb' ) ) { + return -1; + } + + return ( $x->rgb[0] === $this->rgb[0] && + $x->rgb[1] === $this->rgb[1] && + $x->rgb[2] === $this->rgb[2] && + $x->alpha === $this->alpha ) ? 0 : -1; + } + + public function toHex( $v ) { + $ret = '#'; + foreach ( $v as $c ) { + $c = Less_Functions::clamp( Less_Parser::round( $c ), 255 ); + if ( $c < 16 ) { + $ret .= '0'; + } + $ret .= dechex( $c ); + } + + return $ret; + } + + /** + * @param string $keyword + */ + public static function fromKeyword( $keyword ) { + $keyword = strtolower( $keyword ); + + if ( Less_Colors::hasOwnProperty( $keyword ) ) { + // detect named color + return new Less_Tree_Color( substr( Less_Colors::color( $keyword ), 1 ) ); + } + + if ( $keyword === 'transparent' ) { + return new Less_Tree_Color( [ 0, 0, 0 ], 0, true ); + } + } + +} diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Comment.php b/vendor/wikimedia/less.php/lib/Less/Tree/Comment.php new file mode 100644 index 0000000..b4dd68c --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Tree/Comment.php @@ -0,0 +1,43 @@ +<?php +/** + * @private + */ +class Less_Tree_Comment extends Less_Tree { + + public $value; + public $silent; + public $isReferenced; + public $currentFileInfo; + public $type = 'Comment'; + + public function __construct( $value, $silent, $index = null, $currentFileInfo = null ) { + $this->value = $value; + $this->silent = (bool)$silent; + $this->currentFileInfo = $currentFileInfo; + } + + /** + * @see Less_Tree::genCSS + */ + public function genCSS( $output ) { + // if( $this->debugInfo ){ + //$output->add( tree.debugInfo($env, $this), $this->currentFileInfo, $this->index); + //} + $output->add( trim( $this->value ) );// TODO shouldn't need to trim, we shouldn't grab the \n + } + + public function toCSS() { + return Less_Parser::$options['compress'] ? '' : $this->value; + } + + public function isSilent() { + $isReference = ( $this->currentFileInfo && isset( $this->currentFileInfo['reference'] ) && ( !isset( $this->isReferenced ) || !$this->isReferenced ) ); + $isCompressed = Less_Parser::$options['compress'] && !preg_match( '/^\/\*!/', $this->value ); + return $this->silent || $isReference || $isCompressed; + } + + public function markReferenced() { + $this->isReferenced = true; + } + +} diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Condition.php b/vendor/wikimedia/less.php/lib/Less/Tree/Condition.php new file mode 100644 index 0000000..5204e83 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Tree/Condition.php @@ -0,0 +1,68 @@ +<?php +/** + * @private + */ +class Less_Tree_Condition extends Less_Tree { + + public $op; + public $lvalue; + public $rvalue; + public $index; + public $negate; + public $type = 'Condition'; + + public function __construct( $op, $l, $r, $i = 0, $negate = false ) { + $this->op = trim( $op ); + $this->lvalue = $l; + $this->rvalue = $r; + $this->index = $i; + $this->negate = $negate; + } + + public function accept( $visitor ) { + $this->lvalue = $visitor->visitObj( $this->lvalue ); + $this->rvalue = $visitor->visitObj( $this->rvalue ); + } + + public function compile( $env ) { + $a = $this->lvalue->compile( $env ); + $b = $this->rvalue->compile( $env ); + + switch ( $this->op ) { + case 'and': + $result = $a && $b; + break; + + case 'or': + $result = $a || $b; + break; + + default: + if ( Less_Parser::is_method( $a, 'compare' ) ) { + $result = $a->compare( $b ); + } elseif ( Less_Parser::is_method( $b, 'compare' ) ) { + $result = $b->compare( $a ); + } else { + throw new Less_Exception_Compiler( 'Unable to perform comparison', null, $this->index ); + } + + switch ( $result ) { + case -1: + $result = $this->op === '<' || $this->op === '=<' || $this->op === '<='; + break; + + case 0: + $result = $this->op === '=' || $this->op === '>=' || $this->op === '=<' || $this->op === '<='; + break; + + case 1: + $result = $this->op === '>' || $this->op === '>='; + break; + } + break; + } + + return $this->negate ? !$result : $result; + } + +} diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/DefaultFunc.php b/vendor/wikimedia/less.php/lib/Less/Tree/DefaultFunc.php new file mode 100644 index 0000000..66f0008 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Tree/DefaultFunc.php @@ -0,0 +1,30 @@ +<?php +/** + * @private + */ +class Less_Tree_DefaultFunc { + + static $error_; + static $value_; + + public static function compile() { + if ( self::$error_ ) { + throw new Exception( self::$error_ ); + } + if ( self::$value_ !== null ) { + return self::$value_ ? new Less_Tree_Keyword( 'true' ) : new Less_Tree_Keyword( 'false' ); + } + } + + public static function value( $v ) { + self::$value_ = $v; + } + + public static function error( $e ) { + self::$error_ = $e; + } + + public static function reset() { + self::$value_ = self::$error_ = null; + } +} diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/DetachedRuleset.php b/vendor/wikimedia/less.php/lib/Less/Tree/DetachedRuleset.php new file mode 100644 index 0000000..6ba1ef3 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Tree/DetachedRuleset.php @@ -0,0 +1,35 @@ +<?php +/** + * @private + */ +class Less_Tree_DetachedRuleset extends Less_Tree { + + public $ruleset; + public $frames; + public $type = 'DetachedRuleset'; + + public function __construct( $ruleset, $frames = null ) { + $this->ruleset = $ruleset; + $this->frames = $frames; + } + + public function accept( $visitor ) { + $this->ruleset = $visitor->visitObj( $this->ruleset ); + } + + public function compile( $env ) { + if ( $this->frames ) { + $frames = $this->frames; + } else { + $frames = $env->frames; + } + return new Less_Tree_DetachedRuleset( $this->ruleset, $frames ); + } + + public function callEval( $env ) { + if ( $this->frames ) { + return $this->ruleset->compile( $env->copyEvalEnv( array_merge( $this->frames, $env->frames ) ) ); + } + return $this->ruleset->compile( $env ); + } +} diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Dimension.php b/vendor/wikimedia/less.php/lib/Less/Tree/Dimension.php new file mode 100644 index 0000000..4dd7198 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Tree/Dimension.php @@ -0,0 +1,190 @@ +<?php +/** + * @private + */ +class Less_Tree_Dimension extends Less_Tree { + + public $value; + public $unit; + public $type = 'Dimension'; + + public function __construct( $value, $unit = null ) { + $this->value = floatval( $value ); + + if ( $unit && ( $unit instanceof Less_Tree_Unit ) ) { + $this->unit = $unit; + } elseif ( $unit ) { + $this->unit = new Less_Tree_Unit( [ $unit ] ); + } else { + $this->unit = new Less_Tree_Unit(); + } + } + + public function accept( $visitor ) { + $this->unit = $visitor->visitObj( $this->unit ); + } + + public function toColor() { + return new Less_Tree_Color( [ $this->value, $this->value, $this->value ] ); + } + + /** + * @see Less_Tree::genCSS + */ + public function genCSS( $output ) { + if ( Less_Parser::$options['strictUnits'] && !$this->unit->isSingular() ) { + throw new Less_Exception_Compiler( "Multiple units in dimension. Correct the units or use the unit function. Bad unit: " . $this->unit->toString() ); + } + + $value = Less_Functions::fround( $this->value ); + $strValue = (string)$value; + + if ( $value !== 0 && $value < 0.000001 && $value > -0.000001 ) { + // would be output 1e-6 etc. + $strValue = number_format( (float)$strValue, 10 ); + $strValue = preg_replace( '/\.?0+$/', '', $strValue ); + } + + if ( Less_Parser::$options['compress'] ) { + // Zero values doesn't need a unit + if ( $value === 0 && $this->unit->isLength() ) { + $output->add( $strValue ); + return; + } + + // Float values doesn't need a leading zero + if ( $value > 0 && $value < 1 && $strValue[0] === '0' ) { + $strValue = substr( $strValue, 1 ); + } + } + + $output->add( $strValue ); + $this->unit->genCSS( $output ); + } + + public function __toString() { + return $this->toCSS(); + } + + // In an operation between two Dimensions, + // we default to the first Dimension's unit, + // so `1px + 2em` will yield `3px`. + + /** + * @param string $op + */ + public function operate( $op, $other ) { + $value = Less_Functions::operate( $op, $this->value, $other->value ); + $unit = clone $this->unit; + + if ( $op === '+' || $op === '-' ) { + + if ( !$unit->numerator && !$unit->denominator ) { + $unit->numerator = $other->unit->numerator; + $unit->denominator = $other->unit->denominator; + } elseif ( !$other->unit->numerator && !$other->unit->denominator ) { + // do nothing + } else { + $other = $other->convertTo( $this->unit->usedUnits() ); + + if ( Less_Parser::$options['strictUnits'] && $other->unit->toString() !== $unit->toCSS() ) { + throw new Less_Exception_Compiler( "Incompatible units. Change the units or use the unit function. Bad units: '" . $unit->toString() . "' and " . $other->unit->toString() . "'." ); + } + + $value = Less_Functions::operate( $op, $this->value, $other->value ); + } + } elseif ( $op === '*' ) { + $unit->numerator = array_merge( $unit->numerator, $other->unit->numerator ); + $unit->denominator = array_merge( $unit->denominator, $other->unit->denominator ); + sort( $unit->numerator ); + sort( $unit->denominator ); + $unit->cancel(); + } elseif ( $op === '/' ) { + $unit->numerator = array_merge( $unit->numerator, $other->unit->denominator ); + $unit->denominator = array_merge( $unit->denominator, $other->unit->numerator ); + sort( $unit->numerator ); + sort( $unit->denominator ); + $unit->cancel(); + } + return new Less_Tree_Dimension( $value, $unit ); + } + + public function compare( $other ) { + if ( $other instanceof Less_Tree_Dimension ) { + + if ( $this->unit->isEmpty() || $other->unit->isEmpty() ) { + $a = $this; + $b = $other; + } else { + $a = $this->unify(); + $b = $other->unify(); + if ( $a->unit->compare( $b->unit ) !== 0 ) { + return -1; + } + } + $aValue = $a->value; + $bValue = $b->value; + + if ( $bValue > $aValue ) { + return -1; + } elseif ( $bValue < $aValue ) { + return 1; + } else { + return 0; + } + } else { + return -1; + } + } + + public function unify() { + return $this->convertTo( [ 'length' => 'px', 'duration' => 's', 'angle' => 'rad' ] ); + } + + public function convertTo( $conversions ) { + $value = $this->value; + $unit = clone $this->unit; + + if ( is_string( $conversions ) ) { + $derivedConversions = []; + foreach ( Less_Tree_UnitConversions::$groups as $i ) { + if ( isset( Less_Tree_UnitConversions::${$i}[$conversions] ) ) { + $derivedConversions = [ $i => $conversions ]; + } + } + $conversions = $derivedConversions; + } + + foreach ( $conversions as $groupName => $targetUnit ) { + $group = Less_Tree_UnitConversions::${$groupName}; + + // numerator + foreach ( $unit->numerator as $i => $atomicUnit ) { + $atomicUnit = $unit->numerator[$i]; + if ( !isset( $group[$atomicUnit] ) ) { + continue; + } + + $value = $value * ( $group[$atomicUnit] / $group[$targetUnit] ); + + $unit->numerator[$i] = $targetUnit; + } + + // denominator + foreach ( $unit->denominator as $i => $atomicUnit ) { + $atomicUnit = $unit->denominator[$i]; + if ( !isset( $group[$atomicUnit] ) ) { + continue; + } + + $value = $value / ( $group[$atomicUnit] / $group[$targetUnit] ); + + $unit->denominator[$i] = $targetUnit; + } + } + + $unit->cancel(); + + return new Less_Tree_Dimension( $value, $unit ); + } +} diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Directive.php b/vendor/wikimedia/less.php/lib/Less/Tree/Directive.php new file mode 100644 index 0000000..dfada84 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Tree/Directive.php @@ -0,0 +1,92 @@ +<?php +/** + * @private + */ +class Less_Tree_Directive extends Less_Tree { + + public $name; + public $value; + public $rules; + public $index; + public $isReferenced; + public $currentFileInfo; + public $debugInfo; + public $type = 'Directive'; + + public function __construct( $name, $value = null, $rules = null, $index = null, $currentFileInfo = null, $debugInfo = null ) { + $this->name = $name; + $this->value = $value; + if ( $rules ) { + $this->rules = $rules; + $this->rules->allowImports = true; + } + + $this->index = $index; + $this->currentFileInfo = $currentFileInfo; + $this->debugInfo = $debugInfo; + } + + public function accept( $visitor ) { + if ( $this->rules ) { + $this->rules = $visitor->visitObj( $this->rules ); + } + if ( $this->value ) { + $this->value = $visitor->visitObj( $this->value ); + } + } + + /** + * @see Less_Tree::genCSS + */ + public function genCSS( $output ) { + $value = $this->value; + $rules = $this->rules; + $output->add( $this->name, $this->currentFileInfo, $this->index ); + if ( $this->value ) { + $output->add( ' ' ); + $this->value->genCSS( $output ); + } + if ( $this->rules ) { + Less_Tree::outputRuleset( $output, [ $this->rules ] ); + } else { + $output->add( ';' ); + } + } + + public function compile( $env ) { + $value = $this->value; + $rules = $this->rules; + if ( $value ) { + $value = $value->compile( $env ); + } + + if ( $rules ) { + $rules = $rules->compile( $env ); + $rules->root = true; + } + + return new Less_Tree_Directive( $this->name, $value, $rules, $this->index, $this->currentFileInfo, $this->debugInfo ); + } + + public function variable( $name ) { + if ( $this->rules ) { + return $this->rules->variable( $name ); + } + } + + public function find( $selector ) { + if ( $this->rules ) { + return $this->rules->find( $selector, $this ); + } + } + + // rulesets: function () { if (this.rules) return tree.Ruleset.prototype.rulesets.apply(this.rules); }, + + public function markReferenced() { + $this->isReferenced = true; + if ( $this->rules ) { + Less_Tree::ReferencedArray( $this->rules->rules ); + } + } + +} diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Element.php b/vendor/wikimedia/less.php/lib/Less/Tree/Element.php new file mode 100644 index 0000000..11b9ce4 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Tree/Element.php @@ -0,0 +1,73 @@ +<?php +/** + * @private + */ +class Less_Tree_Element extends Less_Tree { + + /** @var string */ + public $combinator; + /** @var bool Whether combinator is null (represented by empty string) or child (single space) */ + public $combinatorIsEmptyOrWhitespace; + /** @var string|Less_Tree */ + public $value; + public $index; + public $currentFileInfo; + public $type = 'Element'; + + public $value_is_object = false; + + /** + * @param null|string $combinator + * @param string|Less_Tree $value + * @param int|null $index + * @param array|null $currentFileInfo + */ + public function __construct( $combinator, $value, $index = null, $currentFileInfo = null ) { + $this->value = $value; + $this->value_is_object = is_object( $value ); + + // see less-2.5.3.js#Combinator + $this->combinator = $combinator ?? ''; + $this->combinatorIsEmptyOrWhitespace = ( $combinator === null || trim( $combinator ) === '' ); + + $this->index = $index; + $this->currentFileInfo = $currentFileInfo; + } + + public function accept( $visitor ) { + if ( $this->value_is_object ) { // object or string + $this->value = $visitor->visitObj( $this->value ); + } + } + + public function compile( $env ) { + return new Less_Tree_Element( + $this->combinator, + ( $this->value_is_object ? $this->value->compile( $env ) : $this->value ), + $this->index, + $this->currentFileInfo + ); + } + + /** + * @see Less_Tree::genCSS + */ + public function genCSS( $output ) { + $output->add( $this->toCSS(), $this->currentFileInfo, $this->index ); + } + + public function toCSS() { + if ( $this->value_is_object ) { + $value = $this->value->toCSS(); + } else { + $value = $this->value; + } + + if ( $value === '' && $this->combinator && $this->combinator === '&' ) { + return ''; + } + + return Less_Environment::$_outputMap[$this->combinator] . $value; + } + +} diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Expression.php b/vendor/wikimedia/less.php/lib/Less/Tree/Expression.php new file mode 100644 index 0000000..8324141 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Tree/Expression.php @@ -0,0 +1,90 @@ +<?php +/** + * @private + */ +class Less_Tree_Expression extends Less_Tree { + /** @var array */ + public $value = []; + public $parens = false; + public $type = 'Expression'; + + public function __construct( $value, $parens = null ) { + $this->value = $value; + $this->parens = $parens; + } + + public function accept( $visitor ) { + $this->value = $visitor->visitArray( $this->value ); + } + + public function compile( $env ) { + $doubleParen = false; + + if ( $this->parens && !$this->parensInOp ) { + Less_Environment::$parensStack++; + } + + $returnValue = null; + if ( $this->value ) { + + $count = count( $this->value ); + + if ( $count > 1 ) { + + $ret = []; + foreach ( $this->value as $e ) { + $ret[] = $e->compile( $env ); + } + $returnValue = new Less_Tree_Expression( $ret ); + + } else { + + if ( ( $this->value[0] instanceof Less_Tree_Expression ) && $this->value[0]->parens && !$this->value[0]->parensInOp ) { + $doubleParen = true; + } + + $returnValue = $this->value[0]->compile( $env ); + } + + } else { + $returnValue = $this; + } + + if ( $this->parens ) { + if ( !$this->parensInOp ) { + Less_Environment::$parensStack--; + + } elseif ( !Less_Environment::isMathOn() && !$doubleParen ) { + $returnValue = new Less_Tree_Paren( $returnValue ); + + } + } + return $returnValue; + } + + /** + * @see Less_Tree::genCSS + */ + public function genCSS( $output ) { + $val_len = count( $this->value ); + for ( $i = 0; $i < $val_len; $i++ ) { + $this->value[$i]->genCSS( $output ); + if ( $i + 1 < $val_len ) { + $output->add( ' ' ); + } + } + } + + public function throwAwayComments() { + if ( is_array( $this->value ) ) { + $new_value = []; + foreach ( $this->value as $v ) { + if ( $v instanceof Less_Tree_Comment ) { + continue; + } + $new_value[] = $v; + } + $this->value = $new_value; + } + } +} diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Extend.php b/vendor/wikimedia/less.php/lib/Less/Tree/Extend.php new file mode 100644 index 0000000..362e284 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Tree/Extend.php @@ -0,0 +1,76 @@ +<?php +/** + * @private + */ +class Less_Tree_Extend extends Less_Tree { + + public $selector; + public $option; + public $index; + public $selfSelectors = []; + public $allowBefore; + public $allowAfter; + public $firstExtendOnThisSelectorPath; + public $type = 'Extend'; + public $ruleset; + + public $object_id; + public $parent_ids = []; + + /** + * @param int $index + */ + public function __construct( $selector, $option, $index ) { + static $i = 0; + $this->selector = $selector; + $this->option = $option; + $this->index = $index; + + switch ( $option ) { + case "all": + $this->allowBefore = true; + $this->allowAfter = true; + break; + default: + $this->allowBefore = false; + $this->allowAfter = false; + break; + } + + // This must use a string (instead of int) so that array_merge() + // preserves keys on arrays that use IDs in their keys. + $this->object_id = 'id_' . $i++; + + $this->parent_ids = [ + $this->object_id => true + ]; + } + + public function accept( $visitor ) { + $this->selector = $visitor->visitObj( $this->selector ); + } + + public function compile( $env ) { + Less_Parser::$has_extends = true; + $this->selector = $this->selector->compile( $env ); + return $this; + // return new Less_Tree_Extend( $this->selector->compile($env), $this->option, $this->index); + } + + public function findSelfSelectors( $selectors ) { + $selfElements = []; + + for ( $i = 0, $selectors_len = count( $selectors ); $i < $selectors_len; $i++ ) { + $selectorElements = $selectors[$i]->elements; + // duplicate the logic in genCSS function inside the selector node. + // future TODO - move both logics into the selector joiner visitor + if ( $i && $selectorElements && $selectorElements[0]->combinator === "" ) { + $selectorElements[0]->combinator = ' '; + } + $selfElements = array_merge( $selfElements, $selectors[$i]->elements ); + } + + $this->selfSelectors = [ new Less_Tree_Selector( $selfElements ) ]; + } + +} diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Import.php b/vendor/wikimedia/less.php/lib/Less/Tree/Import.php new file mode 100644 index 0000000..fc5e81d --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Tree/Import.php @@ -0,0 +1,299 @@ +<?php +/** + * CSS `@import` node + * + * The general strategy here is that we don't want to wait + * for the parsing to be completed, before we start importing + * the file. That's because in the context of a browser, + * most of the time will be spent waiting for the server to respond. + * + * On creation, we push the import path to our import queue, though + * `import,push`, we also pass it a callback, which it'll call once + * the file has been fetched, and parsed. + * + * @private + */ +class Less_Tree_Import extends Less_Tree { + + public $options; + public $index; + public $path; + public $features; + public $currentFileInfo; + public $css; + public $skip; + public $root; + public $type = 'Import'; + + public function __construct( $path, $features, $options, $index, $currentFileInfo = null ) { + $this->options = $options; + $this->index = $index; + $this->path = $path; + $this->features = $features; + $this->currentFileInfo = $currentFileInfo; + + if ( is_array( $options ) ) { + $this->options += [ 'inline' => false ]; + + if ( isset( $this->options['less'] ) || $this->options['inline'] ) { + $this->css = !isset( $this->options['less'] ) || !$this->options['less'] || $this->options['inline']; + } else { + $pathValue = $this->getPath(); + // Leave any ".css" file imports as literals for the browser. + // Also leave any remote HTTP resources as literals regardless of whether + // they contain ".css" in their filename. + if ( $pathValue && preg_match( '/^(https?:)?\/\/|\.css$/i', $pathValue ) ) { + $this->css = true; + } + } + } + } + +// +// The actual import node doesn't return anything, when converted to CSS. +// The reason is that it's used at the evaluation stage, so that the rules +// it imports can be treated like any other rules. +// +// In `eval`, we make sure all Import nodes get evaluated, recursively, so +// we end up with a flat structure, which can easily be imported in the parent +// ruleset. +// + + public function accept( $visitor ) { + if ( $this->features ) { + $this->features = $visitor->visitObj( $this->features ); + } + $this->path = $visitor->visitObj( $this->path ); + + if ( !$this->options['inline'] && $this->root ) { + $this->root = $visitor->visit( $this->root ); + } + } + + /** + * @see Less_Tree::genCSS + */ + public function genCSS( $output ) { + if ( $this->css ) { + + $output->add( '@import ', $this->currentFileInfo, $this->index ); + + $this->path->genCSS( $output ); + if ( $this->features ) { + $output->add( ' ' ); + $this->features->genCSS( $output ); + } + $output->add( ';' ); + } + } + + public function toCSS() { + $features = $this->features ? ' ' . $this->features->toCSS() : ''; + + if ( $this->css ) { + return "@import " . $this->path->toCSS() . $features . ";\n"; + } else { + return ""; + } + } + + /** + * @return string|null + */ + public function getPath() { + if ( $this->path instanceof Less_Tree_Quoted ) { + $path = $this->path->value; + $path = ( isset( $this->css ) || preg_match( '/(\.[a-z]*$)|([\?;].*)$/', $path ) ) ? $path : $path . '.less'; + + // During the first pass, Less_Tree_URL may contain a Less_Tree_Variable (not yet expanded), + // and thus has no value property defined yet. Return null until we reach the next phase. + // https://github.com/wikimedia/less.php/issues/29 + } elseif ( $this->path instanceof Less_Tree_URL && !( $this->path->value instanceof Less_Tree_Variable ) ) { + $path = $this->path->value->value; + } else { + return null; + } + + // remove query string and fragment + return preg_replace( '/[\?#][^\?]*$/', '', $path ); + } + + public function compileForImport( $env ) { + return new Less_Tree_Import( $this->path->compile( $env ), $this->features, $this->options, $this->index, $this->currentFileInfo ); + } + + public function compilePath( $env ) { + $path = $this->path->compile( $env ); + $rootpath = ''; + if ( $this->currentFileInfo && $this->currentFileInfo['rootpath'] ) { + $rootpath = $this->currentFileInfo['rootpath']; + } + + if ( !( $path instanceof Less_Tree_URL ) ) { + if ( $rootpath ) { + $pathValue = $path->value; + // Add the base path if the import is relative + if ( $pathValue && Less_Environment::isPathRelative( $pathValue ) ) { + $path->value = $this->currentFileInfo['uri_root'] . $pathValue; + } + } + $path->value = Less_Environment::normalizePath( $path->value ); + } + + return $path; + } + + public function compile( $env ) { + $evald = $this->compileForImport( $env ); + + // get path & uri + $path_and_uri = null; + if ( is_callable( Less_Parser::$options['import_callback'] ) ) { + $path_and_uri = call_user_func( Less_Parser::$options['import_callback'], $evald ); + } + + if ( !$path_and_uri ) { + $path_and_uri = $evald->PathAndUri(); + } + + if ( $path_and_uri ) { + list( $full_path, $uri ) = $path_and_uri; + } else { + $full_path = $uri = $evald->getPath(); + } + + // import once + if ( $evald->skip( $full_path, $env ) ) { + return []; + } + '@phan-var string $full_path'; + + if ( $this->options['inline'] ) { + // todo needs to reference css file not import + //$contents = new Less_Tree_Anonymous($this->root, 0, array('filename'=>$this->importedFilename), true ); + + Less_Parser::AddParsedFile( $full_path ); + $contents = new Less_Tree_Anonymous( file_get_contents( $full_path ), 0, [], true ); + + if ( $this->features ) { + return new Less_Tree_Media( [ $contents ], $this->features->value ); + } + + return [ $contents ]; + } + + // optional (need to be before "CSS" to support optional CSS imports. CSS should be checked only if empty($this->currentFileInfo)) + if ( isset( $this->options['optional'] ) && $this->options['optional'] && !file_exists( $full_path ) && ( !$evald->css || !empty( $this->currentFileInfo ) ) ) { + return []; + } + + // css ? + if ( $evald->css ) { + $features = ( $evald->features ? $evald->features->compile( $env ) : null ); + return new Less_Tree_Import( $this->compilePath( $env ), $features, $this->options, $this->index ); + } + + return $this->ParseImport( $full_path, $uri, $env ); + } + + /** + * Using the import directories, get the full absolute path and uri of the import + */ + public function PathAndUri() { + $evald_path = $this->getPath(); + + if ( $evald_path ) { + + $import_dirs = []; + + if ( Less_Environment::isPathRelative( $evald_path ) ) { + // if the path is relative, the file should be in the current directory + if ( $this->currentFileInfo ) { + $import_dirs[ $this->currentFileInfo['currentDirectory'] ] = $this->currentFileInfo['uri_root']; + } + + } else { + // otherwise, the file should be relative to the server root + if ( $this->currentFileInfo ) { + $import_dirs[ $this->currentFileInfo['entryPath'] ] = $this->currentFileInfo['entryUri']; + } + // if the user supplied entryPath isn't the actual root + $import_dirs[ $_SERVER['DOCUMENT_ROOT'] ] = ''; + + } + + // always look in user supplied import directories + $import_dirs = array_merge( $import_dirs, Less_Parser::$options['import_dirs'] ); + + foreach ( $import_dirs as $rootpath => $rooturi ) { + if ( is_callable( $rooturi ) ) { + list( $path, $uri ) = call_user_func( $rooturi, $evald_path ); + if ( is_string( $path ) ) { + $full_path = $path; + return [ $full_path, $uri ]; + } + } elseif ( !empty( $rootpath ) ) { + + $path = rtrim( $rootpath, '/\\' ) . '/' . ltrim( $evald_path, '/\\' ); + + if ( file_exists( $path ) ) { + $full_path = Less_Environment::normalizePath( $path ); + $uri = Less_Environment::normalizePath( dirname( $rooturi . $evald_path ) ); + return [ $full_path, $uri ]; + } elseif ( file_exists( $path . '.less' ) ) { + $full_path = Less_Environment::normalizePath( $path . '.less' ); + $uri = Less_Environment::normalizePath( dirname( $rooturi . $evald_path . '.less' ) ); + return [ $full_path, $uri ]; + } + } + } + } + } + + /** + * Parse the import url and return the rules + * + * @param string $full_path + * @param string|null $uri + * @param mixed $env + * @return Less_Tree_Media|array + */ + public function ParseImport( $full_path, $uri, $env ) { + $import_env = clone $env; + if ( ( isset( $this->options['reference'] ) && $this->options['reference'] ) || isset( $this->currentFileInfo['reference'] ) ) { + $import_env->currentFileInfo['reference'] = true; + } + + if ( ( isset( $this->options['multiple'] ) && $this->options['multiple'] ) ) { + $import_env->importMultiple = true; + } + + $parser = new Less_Parser( $import_env ); + $root = $parser->parseFile( $full_path, $uri, true ); + + $ruleset = new Less_Tree_Ruleset( null, $root->rules ); + $ruleset->evalImports( $import_env ); + + return $this->features ? new Less_Tree_Media( $ruleset->rules, $this->features->value ) : $ruleset->rules; + } + + /** + * Should the import be skipped? + * + * @param string|null $path + * @param Less_Environment $env + * @return bool|null + */ + private function skip( $path, $env ) { + $path = Less_Parser::AbsPath( $path, true ); + + if ( $path && Less_Parser::FileParsed( $path ) ) { + + if ( isset( $this->currentFileInfo['reference'] ) ) { + return true; + } + + return !isset( $this->options['multiple'] ) && !$env->importMultiple; + } + } +} diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Javascript.php b/vendor/wikimedia/less.php/lib/Less/Tree/Javascript.php new file mode 100644 index 0000000..218d481 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Tree/Javascript.php @@ -0,0 +1,26 @@ +<?php +/** + * @private + */ +class Less_Tree_Javascript extends Less_Tree { + + public $type = 'Javascript'; + public $escaped; + public $expression; + public $index; + + /** + * @param bool $index + * @param bool $escaped + */ + public function __construct( $string, $index, $escaped ) { + $this->escaped = $escaped; + $this->expression = $string; + $this->index = $index; + } + + public function compile( $env ) { + return new Less_Tree_Anonymous( '/* Sorry, can not do JavaScript evaluation in PHP... :( */' ); + } + +} diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Keyword.php b/vendor/wikimedia/less.php/lib/Less/Tree/Keyword.php new file mode 100644 index 0000000..60663f0 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Tree/Keyword.php @@ -0,0 +1,35 @@ +<?php +/** + * @private + */ +class Less_Tree_Keyword extends Less_Tree { + + public $value; + public $type = 'Keyword'; + + /** + * @param string $value + */ + public function __construct( $value ) { + $this->value = $value; + } + + /** + * @see Less_Tree::genCSS + */ + public function genCSS( $output ) { + if ( $this->value === '%' ) { + throw new Less_Exception_Compiler( "Invalid % without number" ); + } + + $output->add( $this->value ); + } + + public function compare( $other ) { + if ( $other instanceof Less_Tree_Keyword ) { + return $other->value === $this->value ? 0 : 1; + } else { + return -1; + } + } +} diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Media.php b/vendor/wikimedia/less.php/lib/Less/Tree/Media.php new file mode 100644 index 0000000..3cb1fc4 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Tree/Media.php @@ -0,0 +1,183 @@ +<?php +/** + * @private + */ +class Less_Tree_Media extends Less_Tree { + + public $features; + public $rules; + public $index; + public $currentFileInfo; + public $isReferenced; + public $type = 'Media'; + + public function __construct( $value = [], $features = [], $index = null, $currentFileInfo = null ) { + $this->index = $index; + $this->currentFileInfo = $currentFileInfo; + + $selectors = $this->emptySelectors(); + + $this->features = new Less_Tree_Value( $features ); + + $this->rules = [ new Less_Tree_Ruleset( $selectors, $value ) ]; + $this->rules[0]->allowImports = true; + } + + public function accept( $visitor ) { + $this->features = $visitor->visitObj( $this->features ); + $this->rules = $visitor->visitArray( $this->rules ); + } + + /** + * @see Less_Tree::genCSS + */ + public function genCSS( $output ) { + $output->add( '@media ', $this->currentFileInfo, $this->index ); + $this->features->genCSS( $output ); + Less_Tree::outputRuleset( $output, $this->rules ); + } + + /** + * @param Less_Environment $env + * @return Less_Tree_Media|Less_Tree_Ruleset + * @see less-2.5.3.js#Media.prototype.eval + */ + public function compile( $env ) { + $media = new Less_Tree_Media( [], [], $this->index, $this->currentFileInfo ); + + $strictMathBypass = false; + if ( Less_Parser::$options['strictMath'] === false ) { + $strictMathBypass = true; + Less_Parser::$options['strictMath'] = true; + } + + $media->features = $this->features->compile( $env ); + + if ( $strictMathBypass ) { + Less_Parser::$options['strictMath'] = false; + } + + $env->mediaPath[] = $media; + $env->mediaBlocks[] = $media; + + array_unshift( $env->frames, $this->rules[0] ); + $media->rules = [ $this->rules[0]->compile( $env ) ]; + array_shift( $env->frames ); + + array_pop( $env->mediaPath ); + + return !$env->mediaPath ? $media->compileTop( $env ) : $media->compileNested( $env ); + } + + public function variable( $name ) { + return $this->rules[0]->variable( $name ); + } + + public function find( $selector ) { + return $this->rules[0]->find( $selector, $this ); + } + + public function emptySelectors() { + $el = new Less_Tree_Element( '', '&', $this->index, $this->currentFileInfo ); + $sels = [ new Less_Tree_Selector( [ $el ], [], null, $this->index, $this->currentFileInfo ) ]; + $sels[0]->mediaEmpty = true; + return $sels; + } + + public function markReferenced() { + $this->rules[0]->markReferenced(); + $this->isReferenced = true; + Less_Tree::ReferencedArray( $this->rules[0]->rules ); + } + + // evaltop + public function compileTop( $env ) { + $result = $this; + + if ( count( $env->mediaBlocks ) > 1 ) { + $selectors = $this->emptySelectors(); + $result = new Less_Tree_Ruleset( $selectors, $env->mediaBlocks ); + $result->multiMedia = true; + } + + $env->mediaBlocks = []; + $env->mediaPath = []; + + return $result; + } + + /** + * @param Less_Environment $env + * @return Less_Tree_Ruleset + */ + public function compileNested( $env ) { + $path = array_merge( $env->mediaPath, [ $this ] ); + '@phan-var array<Less_Tree_Media> $path'; + + // Extract the media-query conditions separated with `,` (OR). + foreach ( $path as $key => $p ) { + $value = $p->features instanceof Less_Tree_Value ? $p->features->value : $p->features; + $path[$key] = is_array( $value ) ? $value : [ $value ]; + } + '@phan-var array<array<Less_Tree>> $path'; + + // Trace all permutations to generate the resulting media-query. + // + // (a, b and c) with nested (d, e) -> + // a and d + // a and e + // b and c and d + // b and c and e + + $permuted = $this->permute( $path ); + $expressions = []; + foreach ( $permuted as $path ) { + + for ( $i = 0, $len = count( $path ); $i < $len; $i++ ) { + $path[$i] = Less_Parser::is_method( $path[$i], 'toCSS' ) ? $path[$i] : new Less_Tree_Anonymous( $path[$i] ); + } + + for ( $i = count( $path ) - 1; $i > 0; $i-- ) { + array_splice( $path, $i, 0, [ new Less_Tree_Anonymous( 'and' ) ] ); + } + + $expressions[] = new Less_Tree_Expression( $path ); + } + $this->features = new Less_Tree_Value( $expressions ); + + // Fake a tree-node that doesn't output anything. + return new Less_Tree_Ruleset( [], [] ); + } + + public function permute( $arr ) { + if ( !$arr ) { + return []; + } + + if ( count( $arr ) == 1 ) { + return $arr[0]; + } + + $result = []; + $rest = $this->permute( array_slice( $arr, 1 ) ); + foreach ( $rest as $r ) { + foreach ( $arr[0] as $a ) { + $result[] = array_merge( + is_array( $a ) ? $a : [ $a ], + is_array( $r ) ? $r : [ $r ] + ); + } + } + + return $result; + } + + public function bubbleSelectors( $selectors ) { + if ( !$selectors ) { + return; + } + + $this->rules = [ new Less_Tree_Ruleset( $selectors, [ $this->rules[0] ] ) ]; + } + +} diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Mixin/Call.php b/vendor/wikimedia/less.php/lib/Less/Tree/Mixin/Call.php new file mode 100644 index 0000000..61e10fe --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Tree/Mixin/Call.php @@ -0,0 +1,197 @@ +<?php +/** + * @private + */ +class Less_Tree_Mixin_Call extends Less_Tree { + + public $selector; + public $arguments; + public $index; + public $currentFileInfo; + + public $important; + public $type = 'MixinCall'; + + /** + * less.js: tree.mixin.Call + * + */ + public function __construct( $elements, $args, $index, $currentFileInfo, $important = false ) { + $this->selector = new Less_Tree_Selector( $elements ); + $this->arguments = $args; + $this->index = $index; + $this->currentFileInfo = $currentFileInfo; + $this->important = $important; + } + + // function accept($visitor){ + // $this->selector = $visitor->visit($this->selector); + // $this->arguments = $visitor->visit($this->arguments); + //} + + public function compile( $env ) { + $rules = []; + $match = false; + $isOneFound = false; + $candidates = []; + $defaultUsed = false; + $conditionResult = []; + + $args = []; + foreach ( $this->arguments as $a ) { + $args[] = [ 'name' => $a['name'], 'value' => $a['value']->compile( $env ) ]; + } + + foreach ( $env->frames as $frame ) { + + $mixins = $frame->find( $this->selector ); + + if ( !$mixins ) { + continue; + } + + $isOneFound = true; + $defNone = 0; + $defTrue = 1; + $defFalse = 2; + + // To make `default()` function independent of definition order we have two "subpasses" here. + // At first we evaluate each guard *twice* (with `default() == true` and `default() == false`), + // and build candidate list with corresponding flags. Then, when we know all possible matches, + // we make a final decision. + + $mixins_len = count( $mixins ); + for ( $m = 0; $m < $mixins_len; $m++ ) { + $mixin = $mixins[$m]; + + if ( $this->IsRecursive( $env, $mixin ) ) { + continue; + } + + if ( $mixin->matchArgs( $args, $env ) ) { + + $candidate = [ 'mixin' => $mixin, 'group' => $defNone ]; + + if ( $mixin instanceof Less_Tree_Ruleset ) { + for ( $f = 0; $f < 2; $f++ ) { + Less_Tree_DefaultFunc::value( $f ); + $conditionResult[$f] = $mixin->matchCondition( $args, $env ); + } + + // PhanTypeInvalidDimOffset -- False positive + '@phan-var array{0:bool,1:bool} $conditionResult'; + + if ( $conditionResult[0] || $conditionResult[1] ) { + if ( $conditionResult[0] != $conditionResult[1] ) { + $candidate['group'] = $conditionResult[1] ? $defTrue : $defFalse; + } + + $candidates[] = $candidate; + } + } else { + $candidates[] = $candidate; + } + + $match = true; + } + } + + Less_Tree_DefaultFunc::reset(); + + $count = [ 0, 0, 0 ]; + for ( $m = 0; $m < count( $candidates ); $m++ ) { + $count[ $candidates[$m]['group'] ]++; + } + + if ( $count[$defNone] > 0 ) { + $defaultResult = $defFalse; + } else { + $defaultResult = $defTrue; + if ( ( $count[$defTrue] + $count[$defFalse] ) > 1 ) { + throw new Exception( 'Ambiguous use of `default()` found when matching for `' . $this->format( $args ) . '`' ); + } + } + + $candidates_length = count( $candidates ); + $length_1 = ( $candidates_length == 1 ); + + for ( $m = 0; $m < $candidates_length; $m++ ) { + $candidate = $candidates[$m]['group']; + if ( ( $candidate === $defNone ) || ( $candidate === $defaultResult ) ) { + try{ + $mixin = $candidates[$m]['mixin']; + if ( !( $mixin instanceof Less_Tree_Mixin_Definition ) ) { + $mixin = new Less_Tree_Mixin_Definition( '', [], $mixin->rules, null, false ); + $mixin->originalRuleset = $mixins[$m]->originalRuleset; + } + $rules = array_merge( $rules, $mixin->evalCall( $env, $args, $this->important )->rules ); + } catch ( Exception $e ) { + // throw new Less_Exception_Compiler($e->getMessage(), $e->index, null, $this->currentFileInfo['filename']); + throw new Less_Exception_Compiler( $e->getMessage(), null, null, $this->currentFileInfo ); + } + } + } + + if ( $match ) { + if ( !$this->currentFileInfo || !isset( $this->currentFileInfo['reference'] ) || !$this->currentFileInfo['reference'] ) { + Less_Tree::ReferencedArray( $rules ); + } + + return $rules; + } + } + + if ( $isOneFound ) { + throw new Less_Exception_Compiler( 'No matching definition was found for `' . $this->Format( $args ) . '`', null, $this->index, $this->currentFileInfo ); + + } else { + throw new Less_Exception_Compiler( trim( $this->selector->toCSS() ) . " is undefined in " . $this->currentFileInfo['filename'], null, $this->index ); + } + } + + /** + * Format the args for use in exception messages + * + */ + private function Format( $args ) { + $message = []; + if ( $args ) { + foreach ( $args as $a ) { + $argValue = ''; + if ( $a['name'] ) { + $argValue .= $a['name'] . ':'; + } + if ( is_object( $a['value'] ) ) { + $argValue .= $a['value']->toCSS(); + } else { + $argValue .= '???'; + } + $message[] = $argValue; + } + } + return implode( ', ', $message ); + } + + /** + * Are we in a recursive mixin call? + * + * @return bool + */ + private function IsRecursive( $env, $mixin ) { + foreach ( $env->frames as $recur_frame ) { + if ( !( $mixin instanceof Less_Tree_Mixin_Definition ) ) { + + if ( $mixin === $recur_frame ) { + return true; + } + + if ( isset( $recur_frame->originalRuleset ) && $mixin->ruleset_id === $recur_frame->originalRuleset ) { + return true; + } + } + } + + return false; + } + +} diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Mixin/Definition.php b/vendor/wikimedia/less.php/lib/Less/Tree/Mixin/Definition.php new file mode 100644 index 0000000..08bcd7a --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Tree/Mixin/Definition.php @@ -0,0 +1,236 @@ +<?php +/** + * @private + */ +class Less_Tree_Mixin_Definition extends Less_Tree_Ruleset { + public $name; + public $selectors; + public $params; + public $arity = 0; + public $rules; + public $lookups = []; + public $required = 0; + public $frames = []; + public $condition; + public $variadic; + public $type = 'MixinDefinition'; + + // less.js : /lib/less/tree/mixin.js : tree.mixin.Definition + public function __construct( $name, $params, $rules, $condition, $variadic = false, $frames = [] ) { + $this->name = $name; + $this->selectors = [ new Less_Tree_Selector( [ new Less_Tree_Element( null, $name ) ] ) ]; + + $this->params = $params; + $this->condition = $condition; + $this->variadic = $variadic; + $this->rules = $rules; + + if ( $params ) { + $this->arity = count( $params ); + foreach ( $params as $p ) { + if ( !isset( $p['name'] ) || ( $p['name'] && !isset( $p['value'] ) ) ) { + $this->required++; + } + } + } + + $this->frames = $frames; + $this->SetRulesetIndex(); + } + + // function accept( $visitor ){ + // $this->params = $visitor->visit($this->params); + // $this->rules = $visitor->visit($this->rules); + // $this->condition = $visitor->visit($this->condition); + //} + + public function toCSS() { + return ''; + } + + // less.js : /lib/less/tree/mixin.js : tree.mixin.Definition.evalParams + public function compileParams( $env, $mixinFrames, $args = [], &$evaldArguments = [] ) { + $frame = new Less_Tree_Ruleset( null, [] ); + $params = $this->params; + $mixinEnv = null; + $argsLength = 0; + + if ( $args ) { + $argsLength = count( $args ); + for ( $i = 0; $i < $argsLength; $i++ ) { + $arg = $args[$i]; + + if ( $arg && $arg['name'] ) { + $isNamedFound = false; + + foreach ( $params as $j => $param ) { + if ( !isset( $evaldArguments[$j] ) && $arg['name'] === $params[$j]['name'] ) { + $evaldArguments[$j] = $arg['value']->compile( $env ); + array_unshift( $frame->rules, new Less_Tree_Rule( $arg['name'], $arg['value']->compile( $env ) ) ); + $isNamedFound = true; + break; + } + } + if ( $isNamedFound ) { + array_splice( $args, $i, 1 ); + $i--; + $argsLength--; + continue; + } else { + throw new Less_Exception_Compiler( "Named argument for " . $this->name . ' ' . $args[$i]['name'] . ' not found' ); + } + } + } + } + + $argIndex = 0; + foreach ( $params as $i => $param ) { + + if ( isset( $evaldArguments[$i] ) ) { continue; + } + + $arg = null; + if ( isset( $args[$argIndex] ) ) { + $arg = $args[$argIndex]; + } + + if ( isset( $param['name'] ) && $param['name'] ) { + + if ( isset( $param['variadic'] ) ) { + $varargs = []; + for ( $j = $argIndex; $j < $argsLength; $j++ ) { + $varargs[] = $args[$j]['value']->compile( $env ); + } + $expression = new Less_Tree_Expression( $varargs ); + array_unshift( $frame->rules, new Less_Tree_Rule( $param['name'], $expression->compile( $env ) ) ); + } else { + $val = ( $arg && $arg['value'] ) ? $arg['value'] : false; + + if ( $val ) { + $val = $val->compile( $env ); + } elseif ( isset( $param['value'] ) ) { + + if ( !$mixinEnv ) { + $mixinEnv = new Less_Environment(); + $mixinEnv->frames = array_merge( [ $frame ], $mixinFrames ); + } + + $val = $param['value']->compile( $mixinEnv ); + $frame->resetCache(); + } else { + throw new Less_Exception_Compiler( "Wrong number of arguments for " . $this->name . " (" . $argsLength . ' for ' . $this->arity . ")" ); + } + + array_unshift( $frame->rules, new Less_Tree_Rule( $param['name'], $val ) ); + $evaldArguments[$i] = $val; + } + } + + if ( isset( $param['variadic'] ) && $args ) { + for ( $j = $argIndex; $j < $argsLength; $j++ ) { + $evaldArguments[$j] = $args[$j]['value']->compile( $env ); + } + } + $argIndex++; + } + + ksort( $evaldArguments ); + $evaldArguments = array_values( $evaldArguments ); + + return $frame; + } + + public function compile( $env ) { + if ( $this->frames ) { + return new Less_Tree_Mixin_Definition( $this->name, $this->params, $this->rules, $this->condition, $this->variadic, $this->frames ); + } + return new Less_Tree_Mixin_Definition( $this->name, $this->params, $this->rules, $this->condition, $this->variadic, $env->frames ); + } + + public function evalCall( $env, $args = null, $important = null ) { + Less_Environment::$mixin_stack++; + + $_arguments = []; + + if ( $this->frames ) { + $mixinFrames = array_merge( $this->frames, $env->frames ); + } else { + $mixinFrames = $env->frames; + } + + $frame = $this->compileParams( $env, $mixinFrames, $args, $_arguments ); + + $ex = new Less_Tree_Expression( $_arguments ); + array_unshift( $frame->rules, new Less_Tree_Rule( '@arguments', $ex->compile( $env ) ) ); + + $ruleset = new Less_Tree_Ruleset( null, $this->rules ); + $ruleset->originalRuleset = $this->ruleset_id; + + $ruleSetEnv = new Less_Environment(); + $ruleSetEnv->frames = array_merge( [ $this, $frame ], $mixinFrames ); + $ruleset = $ruleset->compile( $ruleSetEnv ); + + if ( $important ) { + $ruleset = $ruleset->makeImportant(); + } + + Less_Environment::$mixin_stack--; + + return $ruleset; + } + + /** @return bool */ + public function matchCondition( $args, $env ) { + if ( !$this->condition ) { + return true; + } + + // set array to prevent error on array_merge + if ( !is_array( $this->frames ) ) { + $this->frames = []; + } + + $frame = $this->compileParams( $env, array_merge( $this->frames, $env->frames ), $args ); + + $compile_env = new Less_Environment(); + $compile_env->frames = array_merge( + [ $frame ], // the parameter variables + $this->frames, // the parent namespace/mixin frames + $env->frames // the current environment frames + ); + + $compile_env->functions = $env->functions; + + return (bool)$this->condition->compile( $compile_env ); + } + + public function matchArgs( $args, $env = null ) { + $argsLength = count( $args ); + + if ( !$this->variadic ) { + if ( $argsLength < $this->required ) { + return false; + } + if ( $argsLength > count( $this->params ) ) { + return false; + } + } else { + if ( $argsLength < ( $this->required - 1 ) ) { + return false; + } + } + + $len = min( $argsLength, $this->arity ); + + for ( $i = 0; $i < $len; $i++ ) { + if ( !isset( $this->params[$i]['name'] ) && !isset( $this->params[$i]['variadic'] ) ) { + if ( $args[$i]['value']->compile( $env )->toCSS() != $this->params[$i]['value']->compile( $env )->toCSS() ) { + return false; + } + } + } + + return true; + } + +} diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/NameValue.php b/vendor/wikimedia/less.php/lib/Less/Tree/NameValue.php new file mode 100644 index 0000000..88a2296 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Tree/NameValue.php @@ -0,0 +1,49 @@ +<?php +/** + * A simple CSS name-value pair, e.g. `width: 100px;` + * + * In bootstrap, there are about 600-1000 simple name-value pairs (depending on + * how forgiving the match is) -vs- 6,020 dynamic rules (Less_Tree_Rule). + * + * Using the name-value object can speed up bootstrap compilation slightly, but + * it breaks color keyword interpretation: `color: red` -> `color: #FF0000`. + * + * @private + */ +class Less_Tree_NameValue extends Less_Tree { + + public $name; + public $value; + public $index; + public $currentFileInfo; + public $type = 'NameValue'; + public $important = ''; + + public function __construct( $name, $value = null, $index = null, $currentFileInfo = null ) { + $this->name = $name; + $this->value = $value; + $this->index = $index; + $this->currentFileInfo = $currentFileInfo; + } + + public function genCSS( $output ) { + $output->add( + $this->name + . Less_Environment::$_outputMap[': '] + . $this->value + . $this->important + . ( ( ( Less_Environment::$lastRule && Less_Parser::$options['compress'] ) ) ? "" : ";" ), + $this->currentFileInfo, $this->index ); + } + + public function compile( $env ) { + return $this; + } + + public function makeImportant() { + $new = new Less_Tree_NameValue( $this->name, $this->value, $this->index, $this->currentFileInfo ); + $new->important = ' !important'; + return $new; + } + +} diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Negative.php b/vendor/wikimedia/less.php/lib/Less/Tree/Negative.php new file mode 100644 index 0000000..516f1ee --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Tree/Negative.php @@ -0,0 +1,33 @@ +<?php +/** + * @private + */ +class Less_Tree_Negative extends Less_Tree { + + public $value; + public $type = 'Negative'; + + public function __construct( $node ) { + $this->value = $node; + } + + // function accept($visitor) { + // $this->value = $visitor->visit($this->value); + //} + + /** + * @see Less_Tree::genCSS + */ + public function genCSS( $output ) { + $output->add( '-' ); + $this->value->genCSS( $output ); + } + + public function compile( $env ) { + if ( Less_Environment::isMathOn() ) { + $ret = new Less_Tree_Operation( '*', [ new Less_Tree_Dimension( -1 ), $this->value ] ); + return $ret->compile( $env ); + } + return new Less_Tree_Negative( $this->value->compile( $env ) ); + } +} diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Operation.php b/vendor/wikimedia/less.php/lib/Less/Tree/Operation.php new file mode 100644 index 0000000..4d79dc0 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Tree/Operation.php @@ -0,0 +1,64 @@ +<?php +/** + * @private + */ +class Less_Tree_Operation extends Less_Tree { + + public $op; + public $operands; + public $isSpaced; + public $type = 'Operation'; + + /** + * @param string $op + */ + public function __construct( $op, $operands, $isSpaced = false ) { + $this->op = trim( $op ); + $this->operands = $operands; + $this->isSpaced = $isSpaced; + } + + public function accept( $visitor ) { + $this->operands = $visitor->visitArray( $this->operands ); + } + + public function compile( $env ) { + $a = $this->operands[0]->compile( $env ); + $b = $this->operands[1]->compile( $env ); + + if ( Less_Environment::isMathOn() ) { + + if ( $a instanceof Less_Tree_Dimension && $b instanceof Less_Tree_Color ) { + $a = $a->toColor(); + + } elseif ( $b instanceof Less_Tree_Dimension && $a instanceof Less_Tree_Color ) { + $b = $b->toColor(); + + } + + if ( !method_exists( $a, 'operate' ) ) { + throw new Less_Exception_Compiler( "Operation on an invalid type" ); + } + + return $a->operate( $this->op, $b ); + } + + return new Less_Tree_Operation( $this->op, [ $a, $b ], $this->isSpaced ); + } + + /** + * @see Less_Tree::genCSS + */ + public function genCSS( $output ) { + $this->operands[0]->genCSS( $output ); + if ( $this->isSpaced ) { + $output->add( " " ); + } + $output->add( $this->op ); + if ( $this->isSpaced ) { + $output->add( ' ' ); + } + $this->operands[1]->genCSS( $output ); + } + +} diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Paren.php b/vendor/wikimedia/less.php/lib/Less/Tree/Paren.php new file mode 100644 index 0000000..d659b84 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Tree/Paren.php @@ -0,0 +1,35 @@ +<?php +/** + * @private + */ +class Less_Tree_Paren extends Less_Tree { + + /** @var Less_Tree $value */ + public $value; + public $type = 'Paren'; + + /** + * @param Less_Tree $value + */ + public function __construct( $value ) { + $this->value = $value; + } + + public function accept( $visitor ) { + $this->value = $visitor->visitObj( $this->value ); + } + + /** + * @see Less_Tree::genCSS + */ + public function genCSS( $output ) { + $output->add( '(' ); + $this->value->genCSS( $output ); + $output->add( ')' ); + } + + public function compile( $env ) { + return new Less_Tree_Paren( $this->value->compile( $env ) ); + } + +} diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Quoted.php b/vendor/wikimedia/less.php/lib/Less/Tree/Quoted.php new file mode 100644 index 0000000..0c5e190 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Tree/Quoted.php @@ -0,0 +1,75 @@ +<?php +/** + * @private + */ +class Less_Tree_Quoted extends Less_Tree { + public $escaped; + public $value; + public $quote; + public $index; + public $currentFileInfo; + public $type = 'Quoted'; + + /** + * @param string $str + */ + public function __construct( $str, $content = '', $escaped = false, $index = false, $currentFileInfo = null ) { + $this->escaped = $escaped; + $this->value = $content; + if ( $str ) { + $this->quote = $str[0]; + } + $this->index = $index; + $this->currentFileInfo = $currentFileInfo; + } + + /** + * @see Less_Tree::genCSS + */ + public function genCSS( $output ) { + if ( !$this->escaped ) { + $output->add( $this->quote, $this->currentFileInfo, $this->index ); + } + $output->add( $this->value ); + if ( !$this->escaped ) { + $output->add( $this->quote ); + } + } + + public function compile( $env ) { + $value = $this->value; + if ( preg_match_all( '/`([^`]+)`/', $this->value, $matches ) ) { + foreach ( $matches as $i => $match ) { + $js = new Less_Tree_JavaScript( $matches[1], $this->index, true ); + $js = $js->compile( $env )->value; + $value = str_replace( $matches[0][$i], $js, $value ); + } + } + + if ( preg_match_all( '/@\{([\w-]+)\}/', $value, $matches ) ) { + foreach ( $matches[1] as $i => $match ) { + $v = new Less_Tree_Variable( '@' . $match, $this->index, $this->currentFileInfo ); + $v = $v->compile( $env ); + $v = ( $v instanceof Less_Tree_Quoted ) ? $v->value : $v->toCSS(); + $value = str_replace( $matches[0][$i], $v, $value ); + } + } + + return new Less_Tree_Quoted( $this->quote . $value . $this->quote, $value, $this->escaped, $this->index, $this->currentFileInfo ); + } + + public function compare( $x ) { + if ( !Less_Parser::is_method( $x, 'toCSS' ) ) { + return -1; + } + + $left = $this->toCSS(); + $right = $x->toCSS(); + + if ( $left === $right ) { + return 0; + } + + return $left < $right ? -1 : 1; + } +} diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Rule.php b/vendor/wikimedia/less.php/lib/Less/Tree/Rule.php new file mode 100644 index 0000000..842ad0c --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Tree/Rule.php @@ -0,0 +1,115 @@ +<?php +/** + * @private + */ +class Less_Tree_Rule extends Less_Tree { + + public $name; + /** @var Less_Tree $value */ + public $value; + public $important; + public $merge; + public $index; + public $inline; + public $variable; + public $currentFileInfo; + public $type = 'Rule'; + + /** + * @param string $important + */ + public function __construct( $name, $value = null, $important = null, $merge = null, $index = null, $currentFileInfo = null, $inline = false ) { + $this->name = $name; + $this->value = ( $value instanceof Less_Tree ) + ? $value + : new Less_Tree_Value( [ $value ] ); + $this->important = $important ? ' ' . trim( $important ) : ''; + $this->merge = $merge; + $this->index = $index; + $this->currentFileInfo = $currentFileInfo; + $this->inline = $inline; + $this->variable = ( is_string( $name ) && $name[0] === '@' ); + } + + public function accept( $visitor ) { + $this->value = $visitor->visitObj( $this->value ); + } + + /** + * @see Less_Tree::genCSS + */ + public function genCSS( $output ) { + $output->add( $this->name . Less_Environment::$_outputMap[': '], $this->currentFileInfo, $this->index ); + try{ + $this->value->genCSS( $output ); + + }catch ( Less_Exception_Parser $e ) { + $e->index = $this->index; + $e->currentFile = $this->currentFileInfo; + throw $e; + } + $output->add( $this->important . ( ( $this->inline || ( Less_Environment::$lastRule && Less_Parser::$options['compress'] ) ) ? "" : ";" ), $this->currentFileInfo, $this->index ); + } + + /** + * @param Less_Environment $env + * @return Less_Tree_Rule + */ + public function compile( $env ) { + $name = $this->name; + if ( is_array( $name ) ) { + // expand 'primitive' name directly to get + // things faster (~10% for benchmark.less): + if ( count( $name ) === 1 && $name[0] instanceof Less_Tree_Keyword ) { + $name = $name[0]->value; + } else { + $name = $this->CompileName( $env, $name ); + } + } + + $strictMathBypass = Less_Parser::$options['strictMath']; + if ( $name === "font" && !Less_Parser::$options['strictMath'] ) { + Less_Parser::$options['strictMath'] = true; + } + + try { + $evaldValue = $this->value->compile( $env ); + + if ( !$this->variable && $evaldValue->type === "DetachedRuleset" ) { + throw new Less_Exception_Compiler( "Rulesets cannot be evaluated on a property.", null, $this->index, $this->currentFileInfo ); + } + + if ( Less_Environment::$mixin_stack ) { + $return = new Less_Tree_Rule( $name, $evaldValue, $this->important, $this->merge, $this->index, $this->currentFileInfo, $this->inline ); + } else { + $this->name = $name; + $this->value = $evaldValue; + $return = $this; + } + + } catch ( Less_Exception_Parser $e ) { + if ( !is_numeric( $e->index ) ) { + $e->index = $this->index; + $e->currentFile = $this->currentFileInfo; + } + throw $e; + } + + Less_Parser::$options['strictMath'] = $strictMathBypass; + + return $return; + } + + public function CompileName( $env, $name ) { + $output = new Less_Output(); + foreach ( $name as $n ) { + $n->compile( $env )->genCSS( $output ); + } + return $output->toString(); + } + + public function makeImportant() { + return new Less_Tree_Rule( $this->name, $this->value, '!important', $this->merge, $this->index, $this->currentFileInfo, $this->inline ); + } + +} diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Ruleset.php b/vendor/wikimedia/less.php/lib/Less/Tree/Ruleset.php new file mode 100644 index 0000000..7acc6af --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Tree/Ruleset.php @@ -0,0 +1,730 @@ +<?php +/** + * @private + */ +class Less_Tree_Ruleset extends Less_Tree { + + protected $lookups; + public $_variables; + public $_rulesets; + + public $strictImports; + + public $selectors; + public $rules; + public $root; + public $allowImports; + public $paths; + public $firstRoot; + public $type = 'Ruleset'; + public $multiMedia; + public $allExtends; + + public $ruleset_id; + public $originalRuleset; + + public $first_oelements; + + public function SetRulesetIndex() { + $this->ruleset_id = Less_Parser::$next_id++; + $this->originalRuleset = $this->ruleset_id; + + if ( $this->selectors ) { + foreach ( $this->selectors as $sel ) { + if ( $sel->_oelements ) { + $this->first_oelements[$sel->_oelements[0]] = true; + } + } + } + } + + /** + * @param null|Less_Tree_Selector[] $selectors + * @param Less_Tree[] $rules + * @param null|bool $strictImports + */ + public function __construct( $selectors, $rules, $strictImports = null ) { + $this->selectors = $selectors; + $this->rules = $rules; + $this->lookups = []; + $this->strictImports = $strictImports; + $this->SetRulesetIndex(); + } + + public function accept( $visitor ) { + if ( $this->paths !== null ) { + $paths_len = count( $this->paths ); + for ( $i = 0; $i < $paths_len; $i++ ) { + $this->paths[$i] = $visitor->visitArray( $this->paths[$i] ); + } + } elseif ( $this->selectors ) { + $this->selectors = $visitor->visitArray( $this->selectors ); + } + + if ( $this->rules ) { + $this->rules = $visitor->visitArray( $this->rules ); + } + } + + /** + * @param Less_Environment $env + * @return Less_Tree_Ruleset + * @see less-2.5.3.js#Ruleset.prototype.eval + */ + public function compile( $env ) { + $ruleset = $this->PrepareRuleset( $env ); + + // Store the frames around mixin definitions, + // so they can be evaluated like closures when the time comes. + $rsRuleCnt = count( $ruleset->rules ); + for ( $i = 0; $i < $rsRuleCnt; $i++ ) { + // These checks are the equivalent of the rule.evalFirst property in less.js + if ( $ruleset->rules[$i] instanceof Less_Tree_Mixin_Definition || $ruleset->rules[$i] instanceof Less_Tree_DetachedRuleset ) { + $ruleset->rules[$i] = $ruleset->rules[$i]->compile( $env ); + } + } + + $mediaBlockCount = count( $env->mediaBlocks ); + + // Evaluate mixin calls. + $this->EvalMixinCalls( $ruleset, $env, $rsRuleCnt ); + + // Evaluate everything else + for ( $i = 0; $i < $rsRuleCnt; $i++ ) { + if ( !( $ruleset->rules[$i] instanceof Less_Tree_Mixin_Definition || $ruleset->rules[$i] instanceof Less_Tree_DetachedRuleset ) ) { + $ruleset->rules[$i] = $ruleset->rules[$i]->compile( $env ); + } + } + + // Evaluate everything else + for ( $i = 0; $i < $rsRuleCnt; $i++ ) { + $rule = $ruleset->rules[$i]; + + // for rulesets, check if it is a css guard and can be removed + if ( $rule instanceof Less_Tree_Ruleset && $rule->selectors && count( $rule->selectors ) === 1 ) { + + // check if it can be folded in (e.g. & where) + if ( $rule->selectors[0]->isJustParentSelector() ) { + array_splice( $ruleset->rules, $i--, 1 ); + $rsRuleCnt--; + + for ( $j = 0; $j < count( $rule->rules ); $j++ ) { + $subRule = $rule->rules[$j]; + if ( !( $subRule instanceof Less_Tree_Rule ) || !$subRule->variable ) { + array_splice( $ruleset->rules, ++$i, 0, [ $subRule ] ); + $rsRuleCnt++; + } + } + + } + } + } + + // Pop the stack + $env->shiftFrame(); + + if ( $mediaBlockCount ) { + $len = count( $env->mediaBlocks ); + for ( $i = $mediaBlockCount; $i < $len; $i++ ) { + $env->mediaBlocks[$i]->bubbleSelectors( $ruleset->selectors ); + } + } + + return $ruleset; + } + + /** + * Compile Less_Tree_Mixin_Call objects + * + * @param Less_Tree_Ruleset $ruleset + * @param int $rsRuleCnt + */ + private function EvalMixinCalls( $ruleset, $env, &$rsRuleCnt ) { + for ( $i = 0; $i < $rsRuleCnt; $i++ ) { + $rule = $ruleset->rules[$i]; + + if ( $rule instanceof Less_Tree_Mixin_Call ) { + $rule = $rule->compile( $env ); + + $temp = []; + foreach ( $rule as $r ) { + if ( ( $r instanceof Less_Tree_Rule ) && $r->variable ) { + // do not pollute the scope if the variable is + // already there. consider returning false here + // but we need a way to "return" variable from mixins + if ( !$ruleset->variable( $r->name ) ) { + $temp[] = $r; + } + } else { + $temp[] = $r; + } + } + $temp_count = count( $temp ) - 1; + array_splice( $ruleset->rules, $i, 1, $temp ); + $rsRuleCnt += $temp_count; + $i += $temp_count; + $ruleset->resetCache(); + + } elseif ( $rule instanceof Less_Tree_RulesetCall ) { + + $rule = $rule->compile( $env ); + $rules = []; + foreach ( $rule->rules as $r ) { + if ( ( $r instanceof Less_Tree_Rule ) && $r->variable ) { + continue; + } + $rules[] = $r; + } + + array_splice( $ruleset->rules, $i, 1, $rules ); + $temp_count = count( $rules ); + $rsRuleCnt += $temp_count - 1; + $i += $temp_count - 1; + $ruleset->resetCache(); + } + + } + } + + /** + * Compile the selectors and create a new ruleset object for the compile() method + * + * @param Less_Environment $env + * @return Less_Tree_Ruleset + */ + private function PrepareRuleset( $env ) { + // NOTE: Preserve distinction between null and empty array when compiling + // $this->selectors to $selectors + $thisSelectors = $this->selectors; + $selectors = null; + $hasOnePassingSelector = false; + + if ( $thisSelectors ) { + Less_Tree_DefaultFunc::error( "it is currently only allowed in parametric mixin guards," ); + + $selectors = []; + foreach ( $thisSelectors as $s ) { + $selector = $s->compile( $env ); + $selectors[] = $selector; + if ( $selector->evaldCondition ) { + $hasOnePassingSelector = true; + } + } + + Less_Tree_DefaultFunc::reset(); + } else { + $hasOnePassingSelector = true; + } + + if ( $this->rules && $hasOnePassingSelector ) { + // Copy the array (no need for slice in PHP) + $rules = $this->rules; + } else { + $rules = []; + } + + $ruleset = new Less_Tree_Ruleset( $selectors, $rules, $this->strictImports ); + + $ruleset->originalRuleset = $this->ruleset_id; + $ruleset->root = $this->root; + $ruleset->firstRoot = $this->firstRoot; + $ruleset->allowImports = $this->allowImports; + + // push the current ruleset to the frames stack + $env->unshiftFrame( $ruleset ); + + // Evaluate imports + if ( $ruleset->root || $ruleset->allowImports || !$ruleset->strictImports ) { + $ruleset->evalImports( $env ); + } + + return $ruleset; + } + + function evalImports( $env ) { + $rules_len = count( $this->rules ); + for ( $i = 0; $i < $rules_len; $i++ ) { + $rule = $this->rules[$i]; + + if ( $rule instanceof Less_Tree_Import ) { + $rules = $rule->compile( $env ); + if ( is_array( $rules ) ) { + array_splice( $this->rules, $i, 1, $rules ); + $temp_count = count( $rules ) - 1; + $i += $temp_count; + $rules_len += $temp_count; + } else { + array_splice( $this->rules, $i, 1, [ $rules ] ); + } + + $this->resetCache(); + } + } + } + + function makeImportant() { + $important_rules = []; + foreach ( $this->rules as $rule ) { + if ( $rule instanceof Less_Tree_Rule || $rule instanceof Less_Tree_Ruleset || $rule instanceof Less_Tree_NameValue ) { + $important_rules[] = $rule->makeImportant(); + } else { + $important_rules[] = $rule; + } + } + + return new Less_Tree_Ruleset( $this->selectors, $important_rules, $this->strictImports ); + } + + public function matchArgs( $args, $env = null ) { + return !$args; + } + + // lets you call a css selector with a guard + public function matchCondition( $args, $env ) { + $lastSelector = end( $this->selectors ); + + if ( !$lastSelector->evaldCondition ) { + return false; + } + if ( $lastSelector->condition && !$lastSelector->condition->compile( $env->copyEvalEnv( $env->frames ) ) ) { + return false; + } + return true; + } + + function resetCache() { + $this->_rulesets = null; + $this->_variables = null; + $this->lookups = []; + } + + public function variables() { + $this->_variables = []; + foreach ( $this->rules as $r ) { + if ( $r instanceof Less_Tree_Rule && $r->variable === true ) { + $this->_variables[$r->name] = $r; + } + } + } + + /** + * @param string $name + * @return Less_Tree_Rule|null + */ + public function variable( $name ) { + if ( $this->_variables === null ) { + $this->variables(); + } + return $this->_variables[$name] ?? null; + } + + public function find( $selector, $self = null ) { + $key = implode( ' ', $selector->_oelements ); + + if ( !isset( $this->lookups[$key] ) ) { + + if ( !$self ) { + $self = $this->ruleset_id; + } + + $this->lookups[$key] = []; + + $first_oelement = $selector->_oelements[0]; + + foreach ( $this->rules as $rule ) { + if ( $rule instanceof Less_Tree_Ruleset && $rule->ruleset_id != $self ) { + + if ( isset( $rule->first_oelements[$first_oelement] ) ) { + + foreach ( $rule->selectors as $ruleSelector ) { + $match = $selector->match( $ruleSelector ); + if ( $match ) { + if ( $selector->elements_len > $match ) { + $this->lookups[$key] = array_merge( $this->lookups[$key], $rule->find( new Less_Tree_Selector( array_slice( $selector->elements, $match ) ), $self ) ); + } else { + $this->lookups[$key][] = $rule; + } + break; + } + } + } + } + } + } + + return $this->lookups[$key]; + } + + /** + * @see Less_Tree::genCSS + */ + public function genCSS( $output ) { + if ( !$this->root ) { + Less_Environment::$tabLevel++; + } + + $tabRuleStr = $tabSetStr = ''; + if ( !Less_Parser::$options['compress'] ) { + if ( Less_Environment::$tabLevel ) { + $tabRuleStr = "\n" . str_repeat( Less_Parser::$options['indentation'], Less_Environment::$tabLevel ); + $tabSetStr = "\n" . str_repeat( Less_Parser::$options['indentation'], Less_Environment::$tabLevel - 1 ); + } else { + $tabSetStr = $tabRuleStr = "\n"; + } + } + + $ruleNodes = []; + $rulesetNodes = []; + foreach ( $this->rules as $rule ) { + + $class = get_class( $rule ); + if ( + ( $class === 'Less_Tree_Media' ) || + ( $class === 'Less_Tree_Directive' ) || + ( $this->root && $class === 'Less_Tree_Comment' ) || + ( $rule instanceof Less_Tree_Ruleset && $rule->rules ) + ) { + $rulesetNodes[] = $rule; + } else { + $ruleNodes[] = $rule; + } + } + + // If this is the root node, we don't render + // a selector, or {}. + if ( !$this->root ) { + $paths_len = count( $this->paths ); + for ( $i = 0; $i < $paths_len; $i++ ) { + $path = $this->paths[$i]; + $firstSelector = true; + + foreach ( $path as $p ) { + $p->genCSS( $output, $firstSelector ); + $firstSelector = false; + } + + if ( $i + 1 < $paths_len ) { + $output->add( ',' . $tabSetStr ); + } + } + + $output->add( ( Less_Parser::$options['compress'] ? '{' : " {" ) . $tabRuleStr ); + } + + // Compile rules and rulesets + $ruleNodes_len = count( $ruleNodes ); + $rulesetNodes_len = count( $rulesetNodes ); + for ( $i = 0; $i < $ruleNodes_len; $i++ ) { + $rule = $ruleNodes[$i]; + + // @page{ directive ends up with root elements inside it, a mix of rules and rulesets + // In this instance we do not know whether it is the last property + if ( $i + 1 === $ruleNodes_len && ( !$this->root || $rulesetNodes_len === 0 || $this->firstRoot ) ) { + Less_Environment::$lastRule = true; + } + + $rule->genCSS( $output ); + + if ( !Less_Environment::$lastRule ) { + $output->add( $tabRuleStr ); + } else { + Less_Environment::$lastRule = false; + } + } + + if ( !$this->root ) { + $output->add( $tabSetStr . '}' ); + Less_Environment::$tabLevel--; + } + + $firstRuleset = true; + $space = ( $this->root ? $tabRuleStr : $tabSetStr ); + for ( $i = 0; $i < $rulesetNodes_len; $i++ ) { + + if ( $ruleNodes_len && $firstRuleset ) { + $output->add( $space ); + } elseif ( !$firstRuleset ) { + $output->add( $space ); + } + $firstRuleset = false; + $rulesetNodes[$i]->genCSS( $output ); + } + + if ( !Less_Parser::$options['compress'] && $this->firstRoot ) { + $output->add( "\n" ); + } + } + + function markReferenced() { + if ( !$this->selectors ) { + return; + } + foreach ( $this->selectors as $selector ) { + $selector->markReferenced(); + } + } + + /** + * @param Less_Tree_Selector[][] $context + * @param Less_Tree_Selector[]|null $selectors + * @return Less_Tree_Selector[][] + */ + public function joinSelectors( $context, $selectors ) { + $paths = []; + if ( $selectors !== null ) { + foreach ( $selectors as $selector ) { + $this->joinSelector( $paths, $context, $selector ); + } + } + return $paths; + } + + public function joinSelector( array &$paths, array $context, Less_Tree_Selector $selector ) { + $newPaths = []; + $hadParentSelector = $this->replaceParentSelector( $newPaths, $context, $selector ); + + if ( !$hadParentSelector ) { + if ( $context ) { + $newPaths = []; + foreach ( $context as $path ) { + $newPaths[] = array_merge( $path, [ $selector ] ); + } + } else { + $newPaths = [ [ $selector ] ]; + } + } + + foreach ( $newPaths as $newPath ) { + $paths[] = $newPath; + } + } + + /** + * Replace all parent selectors inside $inSelector with $context. + * + * @param array &$paths Resulting selectors are appended to $paths. + * @param mixed $context + * @param Less_Tree_Selector $inSelector Inner selector from Less_Tree_Paren + * @return bool True if $inSelector contained at least one parent selector + */ + private function replaceParentSelector( array &$paths, $context, Less_Tree_Selector $inSelector ) { + $hadParentSelector = false; + + // The paths are [[Selector]] + // The first list is a list of comma separated selectors + // The inner list is a list of inheritance separated selectors + // e.g. + // .a, .b { + // .c { + // } + // } + // == [[.a] [.c]] [[.b] [.c]] + // + + // the elements from the current selector so far + $currentElements = []; + // the current list of new selectors to add to the path. + // We will build it up. We initiate it with one empty selector as we "multiply" the new selectors + // by the parents + $newSelectors = [ + [] + ]; + + foreach ( $inSelector->elements as $el ) { + // non-parent reference elements just get added + if ( $el->value !== '&' ) { + $nestedSelector = $this->findNestedSelector( $el ); + if ( $nestedSelector !== null ) { + $this->mergeElementsOnToSelectors( $currentElements, $newSelectors ); + + $nestedPaths = []; + $replacedNewSelectors = []; + $replaced = $this->replaceParentSelector( $nestedPaths, $context, $nestedSelector ); + $hadParentSelector = $hadParentSelector || $replaced; + // $nestedPaths is populated by replaceParentSelector() + // $nestedPaths should have exactly one TODO, replaceParentSelector does not multiply selectors + foreach ( $nestedPaths as $nestedPath ) { + $replacementSelector = $this->createSelector( $nestedPath, $el ); + + // join selector path from $newSelectors with every selector path in $addPaths array. + // $el contains the element that is being replaced by $addPaths + // + // @see less-2.5.3.js#Ruleset-addAllReplacementsIntoPath + $addPaths = [ $replacementSelector ]; + foreach ( $newSelectors as $newSelector ) { + $replacedNewSelectors[] = $this->addReplacementIntoPath( $newSelector, $addPaths, $el, $inSelector ); + } + } + $newSelectors = $replacedNewSelectors; + $currentElements = []; + } else { + $currentElements[] = $el; + } + } else { + $hadParentSelector = true; + + // the new list of selectors to add + $selectorsMultiplied = []; + + // merge the current list of non parent selector elements + // on to the current list of selectors to add + $this->mergeElementsOnToSelectors( $currentElements, $newSelectors ); + + foreach ( $newSelectors as $sel ) { + // if we don't have any parent paths, the & might be in a mixin so that it can be used + // whether there are parents or not + if ( !$context ) { + // the combinator used on el should now be applied to the next element instead so that + // it is not lost + if ( $sel ) { + $sel[0]->elements[] = new Less_Tree_Element( $el->combinator, '', $el->index, $el->currentFileInfo ); + } + $selectorsMultiplied[] = $sel; + } else { + // and the parent selectors + foreach ( $context as $parentSel ) { + // We need to put the current selectors + // then join the last selector's elements on to the parents selectors + $newSelectorPath = $this->addReplacementIntoPath( $sel, $parentSel, $el, $inSelector ); + // add that to our new set of selectors + $selectorsMultiplied[] = $newSelectorPath; + } + } + } + + // our new selectors has been multiplied, so reset the state + $newSelectors = $selectorsMultiplied; + $currentElements = []; + } + } + + // if we have any elements left over (e.g. .a& .b == .b) + // add them on to all the current selectors + $this->mergeElementsOnToSelectors( $currentElements, $newSelectors ); + + foreach ( $newSelectors as &$sel ) { + $length = count( $sel ); + if ( $length ) { + $paths[] = $sel; + $lastSelector = $sel[$length - 1]; + $sel[$length - 1] = $lastSelector->createDerived( $lastSelector->elements, $inSelector->extendList ); + } + } + + return $hadParentSelector; + } + + /** + * @param array $elementsToPak + * @param Less_Tree_Element $originalElement + * @return Less_Tree_Selector + */ + private function createSelector( array $elementsToPak, $originalElement ) { + if ( !$elementsToPak ) { + // This is an invalid call. Kept to match less.js. Appears unreachable. + // @phan-suppress-next-line PhanTypeMismatchArgumentProbablyReal + $containedElement = new Less_Tree_Paren( null ); + } else { + $insideParent = []; + foreach ( $elementsToPak as $elToPak ) { + $insideParent[] = new Less_Tree_Element( null, $elToPak, $originalElement->index, $originalElement->currentFileInfo ); + } + $containedElement = new Less_Tree_Paren( new Less_Tree_Selector( $insideParent ) ); + } + + $element = new Less_Tree_Element( null, $containedElement, $originalElement->index, $originalElement->currentFileInfo ); + return new Less_Tree_Selector( [ $element ] ); + } + + /** + * @param Less_Tree_Element $element + * @return Less_Tree_Selector|null + */ + private function findNestedSelector( $element ) { + $maybeParen = $element->value; + if ( !( $maybeParen instanceof Less_Tree_Paren ) ) { + return null; + } + $maybeSelector = $maybeParen->value; + if ( !( $maybeSelector instanceof Less_Tree_Selector ) ) { + return null; + } + return $maybeSelector; + } + + /** + * joins selector path from $beginningPath with selector path in $addPath. + * + * $replacedElement contains the element that is being replaced by $addPath + * + * @param Less_Tree_Selector[] $beginningPath + * @param Less_Tree_Selector[] $addPath + * @param Less_Tree_Element $replacedElement + * @param Less_Tree_Selector $originalSelector + * @return Less_Tree_Selector[] Concatenated path + * @see less-2.5.3.js#Ruleset-addReplacementIntoPath + */ + private function addReplacementIntoPath( array $beginningPath, array $addPath, $replacedElement, $originalSelector ) { + // our new selector path + $newSelectorPath = []; + + // construct the joined selector - if `&` is the first thing this will be empty, + // if not newJoinedSelector will be the last set of elements in the selector + if ( $beginningPath ) { + // NOTE: less.js uses Array slice() to copy. In PHP, arrays are naturally copied by value. + $newSelectorPath = $beginningPath; + $lastSelector = array_pop( $newSelectorPath ); + $newJoinedSelector = $originalSelector->createDerived( $lastSelector->elements ); + } else { + $newJoinedSelector = $originalSelector->createDerived( [] ); + } + + if ( $addPath ) { + // if the & does not have a combinator that is "" or " " then + // and there is a combinator on the parent, then grab that. + // this also allows `+ a { & .b { .a & { ...` + $combinator = $replacedElement->combinator; + $parentEl = $addPath[0]->elements[0]; + if ( $replacedElement->combinatorIsEmptyOrWhitespace && !$parentEl->combinatorIsEmptyOrWhitespace ) { + $combinator = $parentEl->combinator; + } + // join the elements so far with the first part of the parent + $newJoinedSelector->elements[] = new Less_Tree_Element( $combinator, $parentEl->value, $replacedElement->index, $replacedElement->currentFileInfo ); + $newJoinedSelector->elements = array_merge( + $newJoinedSelector->elements, + array_slice( $addPath[0]->elements, 1 ) + ); + } + + // now add the joined selector - but only if it is not empty + if ( $newJoinedSelector->elements ) { + $newSelectorPath[] = $newJoinedSelector; + } + + // put together the parent selectors after the join (e.g. the rest of the parent) + if ( count( $addPath ) > 1 ) { + $newSelectorPath = array_merge( $newSelectorPath, array_slice( $addPath, 1 ) ); + } + return $newSelectorPath; + } + + function mergeElementsOnToSelectors( $elements, &$selectors ) { + if ( !$elements ) { + return; + } + if ( !$selectors ) { + $selectors[] = [ new Less_Tree_Selector( $elements ) ]; + return; + } + + foreach ( $selectors as &$sel ) { + // if the previous thing in sel is a parent this needs to join on to it + if ( $sel ) { + $last = count( $sel ) - 1; + $sel[$last] = $sel[$last]->createDerived( array_merge( $sel[$last]->elements, $elements ) ); + } else { + $sel[] = new Less_Tree_Selector( $elements ); + } + } + } +} diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/RulesetCall.php b/vendor/wikimedia/less.php/lib/Less/Tree/RulesetCall.php new file mode 100644 index 0000000..9c162b8 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Tree/RulesetCall.php @@ -0,0 +1,26 @@ +<?php +/** + * @private + */ +class Less_Tree_RulesetCall extends Less_Tree { + + public $variable; + public $type = "RulesetCall"; + + /** + * @param string $variable + */ + public function __construct( $variable ) { + $this->variable = $variable; + } + + public function accept( $visitor ) { + } + + public function compile( $env ) { + $variable = new Less_Tree_Variable( $this->variable ); + $detachedRuleset = $variable->compile( $env ); + '@phan-var Less_Tree_DetachedRuleset $detachedRuleset'; + return $detachedRuleset->callEval( $env ); + } +} diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Selector.php b/vendor/wikimedia/less.php/lib/Less/Tree/Selector.php new file mode 100644 index 0000000..71182da --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Tree/Selector.php @@ -0,0 +1,169 @@ +<?php +/** + * @private + */ +class Less_Tree_Selector extends Less_Tree { + + public $elements; + public $condition; + public $extendList = []; + public $_css; + public $index; + public $evaldCondition = false; + public $type = 'Selector'; + public $currentFileInfo = []; + public $isReferenced; + public $mediaEmpty; + + public $elements_len = 0; + + public $_oelements; + public $_oelements_assoc; + public $_oelements_len; + public $cacheable = true; + + /** + * @param bool $isReferenced + */ + public function __construct( $elements, $extendList = [], $condition = null, $index = null, $currentFileInfo = null, $isReferenced = null ) { + $this->elements = $elements; + $this->elements_len = count( $elements ); + $this->extendList = $extendList; + $this->condition = $condition; + if ( $currentFileInfo ) { + $this->currentFileInfo = $currentFileInfo; + } + $this->isReferenced = $isReferenced; + if ( !$condition ) { + $this->evaldCondition = true; + } + + $this->CacheElements(); + } + + public function accept( $visitor ) { + $this->elements = $visitor->visitArray( $this->elements ); + $this->extendList = $visitor->visitArray( $this->extendList ); + if ( $this->condition ) { + $this->condition = $visitor->visitObj( $this->condition ); + } + + if ( $visitor instanceof Less_Visitor_extendFinder ) { + $this->CacheElements(); + } + } + + public function createDerived( $elements, $extendList = null, $evaldCondition = null ) { + $newSelector = new Less_Tree_Selector( + $elements, + ( $extendList ?: $this->extendList ), + null, + $this->index, + $this->currentFileInfo, + $this->isReferenced + ); + $newSelector->evaldCondition = $evaldCondition ?: $this->evaldCondition; + $newSelector->mediaEmpty = $this->mediaEmpty; + return $newSelector; + } + + public function match( $other ) { + if ( !$other->_oelements || ( $this->elements_len < $other->_oelements_len ) ) { + return 0; + } + + for ( $i = 0; $i < $other->_oelements_len; $i++ ) { + if ( $this->elements[$i]->value !== $other->_oelements[$i] ) { + return 0; + } + } + + return $other->_oelements_len; // return number of matched elements + } + + public function CacheElements() { + $this->_oelements = []; + $this->_oelements_assoc = []; + + $css = ''; + + foreach ( $this->elements as $v ) { + + $css .= $v->combinator; + if ( !$v->value_is_object ) { + $css .= $v->value; + continue; + } + + if ( !property_exists( $v->value, 'value' ) || !is_string( $v->value->value ) ) { + $this->cacheable = false; + return; + } + $css .= $v->value->value; + } + + $this->_oelements_len = preg_match_all( '/[,&#\.\w-](?:[\w-]|(?:\\\\.))*/', $css, $matches ); + if ( $this->_oelements_len ) { + $this->_oelements = $matches[0]; + + if ( $this->_oelements[0] === '&' ) { + array_shift( $this->_oelements ); + $this->_oelements_len--; + } + + $this->_oelements_assoc = array_fill_keys( $this->_oelements, true ); + } + } + + public function isJustParentSelector() { + return !$this->mediaEmpty && + count( $this->elements ) === 1 && + $this->elements[0]->value === '&' && + ( $this->elements[0]->combinator === ' ' || $this->elements[0]->combinator === '' ); + } + + public function compile( $env ) { + $elements = []; + foreach ( $this->elements as $el ) { + $elements[] = $el->compile( $env ); + } + + $extendList = []; + foreach ( $this->extendList as $el ) { + $extendList[] = $el->compile( $el ); + } + + $evaldCondition = false; + if ( $this->condition ) { + $evaldCondition = $this->condition->compile( $env ); + } + + return $this->createDerived( $elements, $extendList, $evaldCondition ); + } + + /** + * @see Less_Tree::genCSS + */ + public function genCSS( $output, $firstSelector = true ) { + if ( !$firstSelector && $this->elements[0]->combinator === "" ) { + $output->add( ' ', $this->currentFileInfo, $this->index ); + } + + foreach ( $this->elements as $element ) { + $element->genCSS( $output ); + } + } + + public function markReferenced() { + $this->isReferenced = true; + } + + public function getIsReferenced() { + return !isset( $this->currentFileInfo['reference'] ) || !$this->currentFileInfo['reference'] || $this->isReferenced; + } + + public function getIsOutput() { + return $this->evaldCondition; + } + +} diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/UnicodeDescriptor.php b/vendor/wikimedia/less.php/lib/Less/Tree/UnicodeDescriptor.php new file mode 100644 index 0000000..304d191 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Tree/UnicodeDescriptor.php @@ -0,0 +1,20 @@ +<?php +/** + * @private + */ +class Less_Tree_UnicodeDescriptor extends Less_Tree { + + public $value; + public $type = 'UnicodeDescriptor'; + + public function __construct( $value ) { + $this->value = $value; + } + + /** + * @see Less_Tree::genCSS + */ + public function genCSS( $output ) { + $output->add( $this->value ); + } +} diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Unit.php b/vendor/wikimedia/less.php/lib/Less/Tree/Unit.php new file mode 100644 index 0000000..2fd8927 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Tree/Unit.php @@ -0,0 +1,138 @@ +<?php +/** + * @private + */ +class Less_Tree_Unit extends Less_Tree { + + var $numerator = []; + var $denominator = []; + public $backupUnit; + public $type = 'Unit'; + + public function __construct( $numerator = [], $denominator = [], $backupUnit = null ) { + $this->numerator = $numerator; + $this->denominator = $denominator; + $this->backupUnit = $backupUnit; + } + + public function __clone() { + } + + /** + * @see Less_Tree::genCSS + */ + public function genCSS( $output ) { + if ( $this->numerator ) { + $output->add( $this->numerator[0] ); + } elseif ( $this->denominator ) { + $output->add( $this->denominator[0] ); + } elseif ( !Less_Parser::$options['strictUnits'] && $this->backupUnit ) { + $output->add( $this->backupUnit ); + return; + } + } + + public function toString() { + $returnStr = implode( '*', $this->numerator ); + foreach ( $this->denominator as $d ) { + $returnStr .= '/' . $d; + } + return $returnStr; + } + + public function __toString() { + return $this->toString(); + } + + /** + * @param Less_Tree_Unit $other + */ + public function compare( $other ) { + return $this->is( $other->toString() ) ? 0 : -1; + } + + public function is( $unitString ) { + return $this->toString() === $unitString; + } + + public function isLength() { + $css = $this->toCSS(); + return (bool)preg_match( '/px|em|%|in|cm|mm|pc|pt|ex/', $css ); + } + + public function isAngle() { + return isset( Less_Tree_UnitConversions::$angle[$this->toCSS()] ); + } + + public function isEmpty() { + return !$this->numerator && !$this->denominator; + } + + public function isSingular() { + return count( $this->numerator ) <= 1 && !$this->denominator; + } + + public function usedUnits() { + $result = []; + + foreach ( Less_Tree_UnitConversions::$groups as $groupName ) { + $group = Less_Tree_UnitConversions::${$groupName}; + + foreach ( $this->numerator as $atomicUnit ) { + if ( isset( $group[$atomicUnit] ) && !isset( $result[$groupName] ) ) { + $result[$groupName] = $atomicUnit; + } + } + + foreach ( $this->denominator as $atomicUnit ) { + if ( isset( $group[$atomicUnit] ) && !isset( $result[$groupName] ) ) { + $result[$groupName] = $atomicUnit; + } + } + } + + return $result; + } + + public function cancel() { + $counter = []; + $backup = null; + + foreach ( $this->numerator as $atomicUnit ) { + if ( !$backup ) { + $backup = $atomicUnit; + } + $counter[$atomicUnit] = ( $counter[$atomicUnit] ?? 0 ) + 1; + } + + foreach ( $this->denominator as $atomicUnit ) { + if ( !$backup ) { + $backup = $atomicUnit; + } + $counter[$atomicUnit] = ( $counter[$atomicUnit] ?? 0 ) - 1; + } + + $this->numerator = []; + $this->denominator = []; + + foreach ( $counter as $atomicUnit => $count ) { + if ( $count > 0 ) { + for ( $i = 0; $i < $count; $i++ ) { + $this->numerator[] = $atomicUnit; + } + } elseif ( $count < 0 ) { + for ( $i = 0; $i < -$count; $i++ ) { + $this->denominator[] = $atomicUnit; + } + } + } + + if ( !$this->numerator && !$this->denominator && $backup ) { + $this->backupUnit = $backup; + } + + sort( $this->numerator ); + sort( $this->denominator ); + } + +} diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/UnitConversions.php b/vendor/wikimedia/less.php/lib/Less/Tree/UnitConversions.php new file mode 100644 index 0000000..31efe1c --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Tree/UnitConversions.php @@ -0,0 +1,31 @@ +<?php +/** + * @private + */ +class Less_Tree_UnitConversions { + + public static $groups = [ 'length','duration','angle' ]; + + public static $length = [ + 'm' => 1, + 'cm' => 0.01, + 'mm' => 0.001, + 'in' => 0.0254, + 'px' => 0.000264583, // 0.0254 / 96, + 'pt' => 0.000352778, // 0.0254 / 72, + 'pc' => 0.004233333, // 0.0254 / 72 * 12 + ]; + + public static $duration = [ + 's' => 1, + 'ms' => 0.001 + ]; + + public static $angle = [ + 'rad' => 0.1591549430919, // 1/(2*M_PI), + 'deg' => 0.002777778, // 1/360, + 'grad' => 0.0025, // 1/400, + 'turn' => 1 + ]; + +} diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Url.php b/vendor/wikimedia/less.php/lib/Less/Tree/Url.php new file mode 100644 index 0000000..6ae3518 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Tree/Url.php @@ -0,0 +1,77 @@ +<?php +/** + * @private + */ +class Less_Tree_Url extends Less_Tree { + + public $attrs; + public $value; + public $currentFileInfo; + public $isEvald; + public $type = 'Url'; + + /** + * @param Less_Tree_Variable|Less_Tree_Quoted|Less_Tree_Anonymous $value + * @param array|null $currentFileInfo + * @param bool|null $isEvald + */ + public function __construct( $value, $currentFileInfo = null, $isEvald = null ) { + $this->value = $value; + $this->currentFileInfo = $currentFileInfo; + $this->isEvald = $isEvald; + } + + public function accept( $visitor ) { + $this->value = $visitor->visitObj( $this->value ); + } + + /** + * @see Less_Tree::genCSS + */ + public function genCSS( $output ) { + $output->add( 'url(' ); + $this->value->genCSS( $output ); + $output->add( ')' ); + } + + /** + * @param Less_Environment $ctx + */ + public function compile( $ctx ) { + $val = $this->value->compile( $ctx ); + + if ( !$this->isEvald ) { + // Add the base path if the URL is relative + if ( Less_Parser::$options['relativeUrls'] + && $this->currentFileInfo + && is_string( $val->value ) + && Less_Environment::isPathRelative( $val->value ) + ) { + $rootpath = $this->currentFileInfo['uri_root']; + if ( !$val->quote ) { + $rootpath = preg_replace( '/[\(\)\'"\s]/', '\\$1', $rootpath ); + } + $val->value = $rootpath . $val->value; + } + + $val->value = Less_Environment::normalizePath( $val->value ); + } + + // Add cache buster if enabled + if ( Less_Parser::$options['urlArgs'] ) { + if ( !preg_match( '/^\s*data:/', $val->value ) ) { + $delimiter = strpos( $val->value, '?' ) === false ? '?' : '&'; + $urlArgs = $delimiter . Less_Parser::$options['urlArgs']; + $hash_pos = strpos( $val->value, '#' ); + if ( $hash_pos !== false ) { + $val->value = substr_replace( $val->value, $urlArgs, $hash_pos, 0 ); + } else { + $val->value .= $urlArgs; + } + } + } + + return new Less_Tree_URL( $val, $this->currentFileInfo, true ); + } + +} diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Value.php b/vendor/wikimedia/less.php/lib/Less/Tree/Value.php new file mode 100644 index 0000000..bf45caf --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Tree/Value.php @@ -0,0 +1,46 @@ +<?php +/** + * @private + */ +class Less_Tree_Value extends Less_Tree { + + public $type = 'Value'; + public $value; + + /** + * @param array<Less_Tree> $value + */ + public function __construct( $value ) { + $this->value = $value; + } + + public function accept( $visitor ) { + $this->value = $visitor->visitArray( $this->value ); + } + + public function compile( $env ) { + $ret = []; + $i = 0; + foreach ( $this->value as $i => $v ) { + $ret[] = $v->compile( $env ); + } + if ( $i > 0 ) { + return new Less_Tree_Value( $ret ); + } + return $ret[0]; + } + + /** + * @see Less_Tree::genCSS + */ + function genCSS( $output ) { + $len = count( $this->value ); + for ( $i = 0; $i < $len; $i++ ) { + $this->value[$i]->genCSS( $output ); + if ( $i + 1 < $len ) { + $output->add( Less_Environment::$_outputMap[','] ); + } + } + } + +} diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Variable.php b/vendor/wikimedia/less.php/lib/Less/Tree/Variable.php new file mode 100644 index 0000000..dcb1823 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Tree/Variable.php @@ -0,0 +1,56 @@ +<?php +/** + * @private + */ +class Less_Tree_Variable extends Less_Tree { + + public $name; + public $index; + public $currentFileInfo; + public $evaluating = false; + public $type = 'Variable'; + + /** + * @param string $name + */ + public function __construct( $name, $index = null, $currentFileInfo = null ) { + $this->name = $name; + $this->index = $index; + $this->currentFileInfo = $currentFileInfo; + } + + /** + * @param Less_Environment $env + * @return Less_Tree + * @see less-2.5.3.js#Ruleset.prototype.eval + */ + public function compile( $env ) { + if ( $this->name[1] === '@' ) { + $v = new Less_Tree_Variable( substr( $this->name, 1 ), $this->index + 1, $this->currentFileInfo ); + // While some Less_Tree nodes have no 'value', we know these can't ocurr after a variable + // assignment (would have been a ParseError). + // TODO: Solve better (https://phabricator.wikimedia.org/T327082). + // @phan-suppress-next-line PhanUndeclaredProperty + $name = '@' . $v->compile( $env )->value; + } else { + $name = $this->name; + } + + if ( $this->evaluating ) { + throw new Less_Exception_Compiler( "Recursive variable definition for " . $name, null, $this->index, $this->currentFileInfo ); + } + + $this->evaluating = true; + + foreach ( $env->frames as $frame ) { + if ( $v = $frame->variable( $name ) ) { + $r = $v->value->compile( $env ); + $this->evaluating = false; + return $r; + } + } + + throw new Less_Exception_Compiler( "variable " . $name . " is undefined in file " . $this->currentFileInfo["filename"], null, $this->index, $this->currentFileInfo ); + } + +} diff --git a/vendor/wikimedia/less.php/lib/Less/Version.php b/vendor/wikimedia/less.php/lib/Less/Version.php new file mode 100644 index 0000000..1c96e8e --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Version.php @@ -0,0 +1,12 @@ +<?php + +/** + * Release numbers + */ +class Less_Version { + + public const version = '3.2.1'; // The current build number of less.php + public const less_version = '2.5.3'; // The less.js version that this build should be compatible with + public const cache_version = '253'; // The parser cache version + +} diff --git a/vendor/wikimedia/less.php/lib/Less/Visitor.php b/vendor/wikimedia/less.php/lib/Less/Visitor.php new file mode 100644 index 0000000..582f323 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Visitor.php @@ -0,0 +1,44 @@ +<?php +/** + * @private + */ +class Less_Visitor { + + protected $methods = []; + protected $_visitFnCache = []; + + public function __construct() { + $this->_visitFnCache = get_class_methods( get_class( $this ) ); + $this->_visitFnCache = array_flip( $this->_visitFnCache ); + } + + public function visitObj( $node ) { + $funcName = 'visit' . $node->type; + if ( isset( $this->_visitFnCache[$funcName] ) ) { + + $visitDeeper = true; + $this->$funcName( $node, $visitDeeper ); + + if ( $visitDeeper ) { + $node->accept( $this ); + } + + $funcName .= "Out"; + if ( isset( $this->_visitFnCache[$funcName] ) ) { + $this->$funcName( $node ); + } + + } else { + $node->accept( $this ); + } + + return $node; + } + + public function visitArray( $nodes ) { + foreach ( $nodes as $node ) { + $this->visitObj( $node ); + } + return $nodes; + } +} diff --git a/vendor/wikimedia/less.php/lib/Less/Visitor/extendFinder.php b/vendor/wikimedia/less.php/lib/Less/Visitor/extendFinder.php new file mode 100644 index 0000000..8b3238d --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Visitor/extendFinder.php @@ -0,0 +1,105 @@ +<?php +/** + * @private + */ +class Less_Visitor_extendFinder extends Less_Visitor { + + public $contexts = []; + public $allExtendsStack; + public $foundExtends; + + public function __construct() { + $this->contexts = []; + $this->allExtendsStack = [ [] ]; + parent::__construct(); + } + + /** + * @param Less_Tree_Ruleset $root + */ + public function run( $root ) { + $root = $this->visitObj( $root ); + $root->allExtends =& $this->allExtendsStack[0]; + return $root; + } + + public function visitRule( $ruleNode, &$visitDeeper ) { + $visitDeeper = false; + } + + public function visitMixinDefinition( $mixinDefinitionNode, &$visitDeeper ) { + $visitDeeper = false; + } + + public function visitRuleset( $rulesetNode ) { + if ( $rulesetNode->root ) { + return; + } + + $allSelectorsExtendList = []; + + // get &:extend(.a); rules which apply to all selectors in this ruleset + if ( $rulesetNode->rules ) { + foreach ( $rulesetNode->rules as $rule ) { + if ( $rule instanceof Less_Tree_Extend ) { + $allSelectorsExtendList[] = $rule; + $rulesetNode->extendOnEveryPath = true; + } + } + } + + // now find every selector and apply the extends that apply to all extends + // and the ones which apply to an individual extend + foreach ( $rulesetNode->paths as $selectorPath ) { + $selector = end( $selectorPath ); // $selectorPath[ count($selectorPath)-1]; + + $j = 0; + foreach ( $selector->extendList as $extend ) { + $this->allExtendsStackPush( $rulesetNode, $selectorPath, $extend, $j ); + } + foreach ( $allSelectorsExtendList as $extend ) { + $this->allExtendsStackPush( $rulesetNode, $selectorPath, $extend, $j ); + } + } + + $this->contexts[] = $rulesetNode->selectors; + } + + public function allExtendsStackPush( $rulesetNode, $selectorPath, $extend, &$j ) { + $this->foundExtends = true; + $extend = clone $extend; + $extend->findSelfSelectors( $selectorPath ); + $extend->ruleset = $rulesetNode; + if ( $j === 0 ) { + $extend->firstExtendOnThisSelectorPath = true; + } + + $end_key = count( $this->allExtendsStack ) - 1; + $this->allExtendsStack[$end_key][] = $extend; + $j++; + } + + public function visitRulesetOut( $rulesetNode ) { + if ( !is_object( $rulesetNode ) || !$rulesetNode->root ) { + array_pop( $this->contexts ); + } + } + + public function visitMedia( $mediaNode ) { + $mediaNode->allExtends = []; + $this->allExtendsStack[] =& $mediaNode->allExtends; + } + + public function visitMediaOut() { + array_pop( $this->allExtendsStack ); + } + + public function visitDirective( $directiveNode ) { + $directiveNode->allExtends = []; + $this->allExtendsStack[] =& $directiveNode->allExtends; + } + + public function visitDirectiveOut() { + array_pop( $this->allExtendsStack ); + } +} diff --git a/vendor/wikimedia/less.php/lib/Less/Visitor/import.php b/vendor/wikimedia/less.php/lib/Less/Visitor/import.php new file mode 100644 index 0000000..7af96eb --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Visitor/import.php @@ -0,0 +1,137 @@ +<?php + +/* +class Less_Visitor_import extends Less_VisitorReplacing{ + + public $_visitor; + public $_importer; + public $importCount; + + function __construct( $evalEnv ){ + $this->env = $evalEnv; + $this->importCount = 0; + parent::__construct(); + } + + + function run( $root ){ + $root = $this->visitObj($root); + $this->isFinished = true; + + //if( $this->importCount === 0) { + // $this->_finish(); + //} + } + + function visitImport($importNode, &$visitDeeper ){ + $importVisitor = $this; + $inlineCSS = $importNode->options['inline']; + + if( !$importNode->css || $inlineCSS ){ + $evaldImportNode = $importNode->compileForImport($this->env); + + if( $evaldImportNode && (!$evaldImportNode->css || $inlineCSS) ){ + $importNode = $evaldImportNode; + $this->importCount++; + $env = clone $this->env; + + if( (isset($importNode->options['multiple']) && $importNode->options['multiple']) ){ + $env->importMultiple = true; + } + + //get path & uri + $path_and_uri = null; + if( is_callable(Less_Parser::$options['import_callback']) ){ + $path_and_uri = call_user_func(Less_Parser::$options['import_callback'],$importNode); + } + + if( !$path_and_uri ){ + $path_and_uri = $importNode->PathAndUri(); + } + + if( $path_and_uri ){ + list($full_path, $uri) = $path_and_uri; + }else{ + $full_path = $uri = $importNode->getPath(); + } + + + //import once + if( $importNode->skip( $full_path, $env) ){ + return array(); + } + + if( $importNode->options['inline'] ){ + //todo needs to reference css file not import + //$contents = new Less_Tree_Anonymous($importNode->root, 0, array('filename'=>$importNode->importedFilename), true ); + + Less_Parser::AddParsedFile($full_path); + $contents = new Less_Tree_Anonymous( file_get_contents($full_path), 0, array(), true ); + + if( $importNode->features ){ + return new Less_Tree_Media( array($contents), $importNode->features->value ); + } + + return array( $contents ); + } + + + // css ? + if( $importNode->css ){ + $features = ( $importNode->features ? $importNode->features->compile($env) : null ); + return new Less_Tree_Import( $importNode->compilePath( $env), $features, $importNode->options, $this->index); + } + + return $importNode->ParseImport( $full_path, $uri, $env ); + } + + } + + $visitDeeper = false; + return $importNode; + } + + + function visitRule( $ruleNode, &$visitDeeper ){ + $visitDeeper = false; + return $ruleNode; + } + + function visitDirective($directiveNode, $visitArgs){ + array_unshift($this->env->frames,$directiveNode); + return $directiveNode; + } + + function visitDirectiveOut($directiveNode) { + array_shift($this->env->frames); + } + + function visitMixinDefinition($mixinDefinitionNode, $visitArgs) { + array_unshift($this->env->frames,$mixinDefinitionNode); + return $mixinDefinitionNode; + } + + function visitMixinDefinitionOut($mixinDefinitionNode) { + array_shift($this->env->frames); + } + + function visitRuleset($rulesetNode, $visitArgs) { + array_unshift($this->env->frames,$rulesetNode); + return $rulesetNode; + } + + function visitRulesetOut($rulesetNode) { + array_shift($this->env->frames); + } + + function visitMedia($mediaNode, $visitArgs) { + array_unshift($this->env->frames, $mediaNode->ruleset); + return $mediaNode; + } + + function visitMediaOut($mediaNode) { + array_shift($this->env->frames); + } + +} +*/ diff --git a/vendor/wikimedia/less.php/lib/Less/Visitor/joinSelector.php b/vendor/wikimedia/less.php/lib/Less/Visitor/joinSelector.php new file mode 100644 index 0000000..a106830 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Visitor/joinSelector.php @@ -0,0 +1,67 @@ +<?php +/** + * @private + */ +class Less_Visitor_joinSelector extends Less_Visitor { + + public $contexts = [ [] ]; + + /** + * @param Less_Tree_Ruleset $root + */ + public function run( $root ) { + return $this->visitObj( $root ); + } + + public function visitRule( $ruleNode, &$visitDeeper ) { + $visitDeeper = false; + } + + public function visitMixinDefinition( $mixinDefinitionNode, &$visitDeeper ) { + $visitDeeper = false; + } + + public function visitRuleset( $rulesetNode ) { + $context = end( $this->contexts ); + $paths = []; + + if ( !$rulesetNode->root ) { + $selectors = $rulesetNode->selectors; + if ( $selectors !== null ) { + $filtered = []; + foreach ( $selectors as $selector ) { + if ( $selector->getIsOutput() ) { + $filtered[] = $selector; + } + } + $selectors = $rulesetNode->selectors = $filtered ?: null; + if ( $selectors ) { + $paths = $rulesetNode->joinSelectors( $context, $selectors ); + } + } + + if ( $selectors === null ) { + $rulesetNode->rules = null; + } + + $rulesetNode->paths = $paths; + } + + // NOTE: Assigned here instead of at the start like less.js, + // because PHP arrays aren't by-ref + $this->contexts[] = $paths; + } + + public function visitRulesetOut() { + array_pop( $this->contexts ); + } + + public function visitMedia( $mediaNode ) { + $context = end( $this->contexts ); + + if ( count( $context ) === 0 || ( is_object( $context[0] ) && $context[0]->multiMedia ) ) { + $mediaNode->rules[0]->root = true; + } + } + +} diff --git a/vendor/wikimedia/less.php/lib/Less/Visitor/processExtends.php b/vendor/wikimedia/less.php/lib/Less/Visitor/processExtends.php new file mode 100644 index 0000000..9491f3c --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Visitor/processExtends.php @@ -0,0 +1,447 @@ +<?php +/** + * @private + */ +class Less_Visitor_processExtends extends Less_Visitor { + + public $allExtendsStack; + + /** + * @param Less_Tree_Ruleset $root + */ + public function run( $root ) { + $extendFinder = new Less_Visitor_extendFinder(); + $extendFinder->run( $root ); + if ( !$extendFinder->foundExtends ) { + return $root; + } + + $root->allExtends = $this->doExtendChaining( $root->allExtends, $root->allExtends ); + + $this->allExtendsStack = []; + $this->allExtendsStack[] = &$root->allExtends; + + return $this->visitObj( $root ); + } + + private function doExtendChaining( $extendsList, $extendsListTarget, $iterationCount = 0 ) { + // + // chaining is different from normal extension.. if we extend an extend then we are not just copying, altering and pasting + // the selector we would do normally, but we are also adding an extend with the same target selector + // this means this new extend can then go and alter other extends + // + // this method deals with all the chaining work - without it, extend is flat and doesn't work on other extend selectors + // this is also the most expensive.. and a match on one selector can cause an extension of a selector we had already processed if + // we look at each selector at a time, as is done in visitRuleset + + $extendsToAdd = []; + + // loop through comparing every extend with every target extend. + // a target extend is the one on the ruleset we are looking at copy/edit/pasting in place + // e.g. .a:extend(.b) {} and .b:extend(.c) {} then the first extend extends the second one + // and the second is the target. + // the separation into two lists allows us to process a subset of chains with a bigger set, as is the + // case when processing media queries + for ( $extendIndex = 0, $extendsList_len = count( $extendsList ); $extendIndex < $extendsList_len; $extendIndex++ ) { + for ( $targetExtendIndex = 0; $targetExtendIndex < count( $extendsListTarget ); $targetExtendIndex++ ) { + + $extend = $extendsList[$extendIndex]; + $targetExtend = $extendsListTarget[$targetExtendIndex]; + + // Optimisation: Explicit reference, <https://github.com/wikimedia/less.php/pull/14> + if ( \array_key_exists( $targetExtend->object_id, $extend->parent_ids ) ) { + // ignore circular references + continue; + } + + // find a match in the target extends self selector (the bit before :extend) + $selectorPath = [ $targetExtend->selfSelectors[0] ]; + $matches = $this->findMatch( $extend, $selectorPath ); + + if ( $matches ) { + + // we found a match, so for each self selector.. + foreach ( $extend->selfSelectors as $selfSelector ) { + + // process the extend as usual + $newSelector = $this->extendSelector( $matches, $selectorPath, $selfSelector ); + + // but now we create a new extend from it + $newExtend = new Less_Tree_Extend( $targetExtend->selector, $targetExtend->option, 0 ); + $newExtend->selfSelectors = $newSelector; + + // add the extend onto the list of extends for that selector + end( $newSelector )->extendList = [ $newExtend ]; + // $newSelector[ count($newSelector)-1]->extendList = array($newExtend); + + // record that we need to add it. + $extendsToAdd[] = $newExtend; + $newExtend->ruleset = $targetExtend->ruleset; + + // remember its parents for circular references + $newExtend->parent_ids = array_merge( $newExtend->parent_ids, $targetExtend->parent_ids, $extend->parent_ids ); + + // only process the selector once.. if we have :extend(.a,.b) then multiple + // extends will look at the same selector path, so when extending + // we know that any others will be duplicates in terms of what is added to the css + if ( $targetExtend->firstExtendOnThisSelectorPath ) { + $newExtend->firstExtendOnThisSelectorPath = true; + $targetExtend->ruleset->paths[] = $newSelector; + } + } + } + } + } + + if ( $extendsToAdd ) { + // try to detect circular references to stop a stack overflow. + // may no longer be needed. $this->extendChainCount++; + if ( $iterationCount > 100 ) { + + try{ + $selectorOne = $extendsToAdd[0]->selfSelectors[0]->toCSS(); + $selectorTwo = $extendsToAdd[0]->selector->toCSS(); + }catch ( Exception $e ) { + $selectorOne = "{unable to calculate}"; + $selectorTwo = "{unable to calculate}"; + } + + throw new Less_Exception_Parser( "extend circular reference detected. One of the circular extends is currently:" . $selectorOne . ":extend(" . $selectorTwo . ")" ); + } + + // now process the new extends on the existing rules so that we can handle a extending b extending c ectending d extending e... + $extendsToAdd = $this->doExtendChaining( $extendsToAdd, $extendsListTarget, $iterationCount + 1 ); + } + + return array_merge( $extendsList, $extendsToAdd ); + } + + protected function visitRule( $ruleNode, &$visitDeeper ) { + $visitDeeper = false; + } + + protected function visitMixinDefinition( $mixinDefinitionNode, &$visitDeeper ) { + $visitDeeper = false; + } + + protected function visitSelector( $selectorNode, &$visitDeeper ) { + $visitDeeper = false; + } + + protected function visitRuleset( $rulesetNode ) { + if ( $rulesetNode->root ) { + return; + } + + $allExtends = end( $this->allExtendsStack ); + $paths_len = count( $rulesetNode->paths ); + + // look at each selector path in the ruleset, find any extend matches and then copy, find and replace + foreach ( $allExtends as $allExtend ) { + for ( $pathIndex = 0; $pathIndex < $paths_len; $pathIndex++ ) { + + // extending extends happens initially, before the main pass + if ( isset( $rulesetNode->extendOnEveryPath ) && $rulesetNode->extendOnEveryPath ) { + continue; + } + + $selectorPath = $rulesetNode->paths[$pathIndex]; + + if ( end( $selectorPath )->extendList ) { + continue; + } + + $this->ExtendMatch( $rulesetNode, $allExtend, $selectorPath ); + + } + } + } + + private function ExtendMatch( $rulesetNode, $extend, $selectorPath ) { + $matches = $this->findMatch( $extend, $selectorPath ); + + if ( $matches ) { + foreach ( $extend->selfSelectors as $selfSelector ) { + $rulesetNode->paths[] = $this->extendSelector( $matches, $selectorPath, $selfSelector ); + } + } + } + + /** + * @param Less_Tree_Extend $extend + * @param Less_Tree_Selector[] $haystackSelectorPath + * @return false|array<array{index:int,initialCombinator:string}> + */ + private function findMatch( $extend, $haystackSelectorPath ) { + if ( !$this->HasMatches( $extend, $haystackSelectorPath ) ) { + return false; + } + + // + // look through the haystack selector path to try and find the needle - extend.selector + // returns an array of selector matches that can then be replaced + // + $needleElements = $extend->selector->elements; + $potentialMatches = []; + $potentialMatches_len = 0; + $potentialMatch = null; + $matches = []; + + // loop through the haystack elements + $haystack_path_len = count( $haystackSelectorPath ); + for ( $haystackSelectorIndex = 0; $haystackSelectorIndex < $haystack_path_len; $haystackSelectorIndex++ ) { + $hackstackSelector = $haystackSelectorPath[$haystackSelectorIndex]; + + $haystack_elements_len = count( $hackstackSelector->elements ); + for ( $hackstackElementIndex = 0; $hackstackElementIndex < $haystack_elements_len; $hackstackElementIndex++ ) { + + $haystackElement = $hackstackSelector->elements[$hackstackElementIndex]; + + // if we allow elements before our match we can add a potential match every time. otherwise only at the first element. + if ( $extend->allowBefore || ( $haystackSelectorIndex === 0 && $hackstackElementIndex === 0 ) ) { + $potentialMatches[] = [ 'pathIndex' => $haystackSelectorIndex, 'index' => $hackstackElementIndex, 'matched' => 0, 'initialCombinator' => $haystackElement->combinator ]; + $potentialMatches_len++; + } + + for ( $i = 0; $i < $potentialMatches_len; $i++ ) { + + $potentialMatch = &$potentialMatches[$i]; + $potentialMatch = $this->PotentialMatch( $potentialMatch, $needleElements, $haystackElement, $hackstackElementIndex ); + + // if we are still valid and have finished, test whether we have elements after and whether these are allowed + if ( $potentialMatch && $potentialMatch['matched'] === $extend->selector->elements_len ) { + $potentialMatch['finished'] = true; + + if ( !$extend->allowAfter && ( $hackstackElementIndex + 1 < $haystack_elements_len || $haystackSelectorIndex + 1 < $haystack_path_len ) ) { + $potentialMatch = null; + } + } + + // if null we remove, if not, we are still valid, so either push as a valid match or continue + if ( $potentialMatch ) { + if ( $potentialMatch['finished'] ) { + $potentialMatch['length'] = $extend->selector->elements_len; + $potentialMatch['endPathIndex'] = $haystackSelectorIndex; + $potentialMatch['endPathElementIndex'] = $hackstackElementIndex + 1; // index after end of match + $potentialMatches = []; // we don't allow matches to overlap, so start matching again + $potentialMatches_len = 0; + $matches[] = $potentialMatch; + } + continue; + } + + array_splice( $potentialMatches, $i, 1 ); + $potentialMatches_len--; + $i--; + } + } + } + + return $matches; + } + + // Before going through all the nested loops, lets check to see if a match is possible + // Reduces Bootstrap 3.1 compile time from ~6.5s to ~5.6s + private function HasMatches( $extend, $haystackSelectorPath ) { + if ( !$extend->selector->cacheable ) { + return true; + } + + $first_el = $extend->selector->_oelements[0]; + + foreach ( $haystackSelectorPath as $hackstackSelector ) { + if ( !$hackstackSelector->cacheable ) { + return true; + } + + // Optimisation: Explicit reference, <https://github.com/wikimedia/less.php/pull/14> + if ( \array_key_exists( $first_el, $hackstackSelector->_oelements_assoc ) ) { + return true; + } + } + + return false; + } + + /** + * @param int $hackstackElementIndex + */ + private function PotentialMatch( $potentialMatch, $needleElements, $haystackElement, $hackstackElementIndex ) { + if ( $potentialMatch['matched'] > 0 ) { + + // selectors add " " onto the first element. When we use & it joins the selectors together, but if we don't + // then each selector in haystackSelectorPath has a space before it added in the toCSS phase. so we need to work out + // what the resulting combinator will be + $targetCombinator = $haystackElement->combinator; + if ( $targetCombinator === '' && $hackstackElementIndex === 0 ) { + $targetCombinator = ' '; + } + + if ( $needleElements[ $potentialMatch['matched'] ]->combinator !== $targetCombinator ) { + return null; + } + } + + // if we don't match, null our match to indicate failure + if ( !$this->isElementValuesEqual( $needleElements[$potentialMatch['matched'] ]->value, $haystackElement->value ) ) { + return null; + } + + $potentialMatch['finished'] = false; + $potentialMatch['matched']++; + + return $potentialMatch; + } + + /** + * @param string|Less_Tree_Attribute|Less_Tree_Dimension|Less_Tree_Keyword $elementValue1 + * @param string|Less_Tree_Attribute|Less_Tree_Dimension|Less_Tree_Keyword $elementValue2 + * @return bool + */ + private function isElementValuesEqual( $elementValue1, $elementValue2 ) { + if ( $elementValue1 === $elementValue2 ) { + return true; + } + + if ( is_string( $elementValue1 ) || is_string( $elementValue2 ) ) { + return false; + } + + if ( $elementValue1 instanceof Less_Tree_Attribute ) { + return $this->isAttributeValuesEqual( $elementValue1, $elementValue2 ); + } + + $elementValue1 = $elementValue1->value; + if ( $elementValue1 instanceof Less_Tree_Selector ) { + return $this->isSelectorValuesEqual( $elementValue1, $elementValue2 ); + } + + return false; + } + + /** + * @param Less_Tree_Selector $elementValue1 + */ + private function isSelectorValuesEqual( $elementValue1, $elementValue2 ) { + $elementValue2 = $elementValue2->value; + if ( !( $elementValue2 instanceof Less_Tree_Selector ) || $elementValue1->elements_len !== $elementValue2->elements_len ) { + return false; + } + + for ( $i = 0; $i < $elementValue1->elements_len; $i++ ) { + + if ( $elementValue1->elements[$i]->combinator !== $elementValue2->elements[$i]->combinator ) { + if ( $i !== 0 || ( $elementValue1->elements[$i]->combinator || ' ' ) !== ( $elementValue2->elements[$i]->combinator || ' ' ) ) { + return false; + } + } + + if ( !$this->isElementValuesEqual( $elementValue1->elements[$i]->value, $elementValue2->elements[$i]->value ) ) { + return false; + } + } + + return true; + } + + /** + * @param Less_Tree_Attribute $elementValue1 + */ + private function isAttributeValuesEqual( $elementValue1, $elementValue2 ) { + if ( $elementValue1->op !== $elementValue2->op || $elementValue1->key !== $elementValue2->key ) { + return false; + } + + if ( !$elementValue1->value || !$elementValue2->value ) { + if ( $elementValue1->value || $elementValue2->value ) { + return false; + } + return true; + } + + $elementValue1 = ( $elementValue1->value->value ?: $elementValue1->value ); + $elementValue2 = ( $elementValue2->value->value ?: $elementValue2->value ); + + return $elementValue1 === $elementValue2; + } + + private function extendSelector( $matches, $selectorPath, $replacementSelector ) { + // for a set of matches, replace each match with the replacement selector + + $currentSelectorPathIndex = 0; + $currentSelectorPathElementIndex = 0; + $path = []; + $selectorPath_len = count( $selectorPath ); + + for ( $matchIndex = 0, $matches_len = count( $matches ); $matchIndex < $matches_len; $matchIndex++ ) { + + $match = $matches[$matchIndex]; + $selector = $selectorPath[ $match['pathIndex'] ]; + + $firstElement = new Less_Tree_Element( + $match['initialCombinator'], + $replacementSelector->elements[0]->value, + $replacementSelector->elements[0]->index, + $replacementSelector->elements[0]->currentFileInfo + ); + + if ( $match['pathIndex'] > $currentSelectorPathIndex && $currentSelectorPathElementIndex > 0 ) { + $last_path = end( $path ); + $last_path->elements = array_merge( $last_path->elements, array_slice( $selectorPath[$currentSelectorPathIndex]->elements, $currentSelectorPathElementIndex ) ); + $currentSelectorPathElementIndex = 0; + $currentSelectorPathIndex++; + } + + $newElements = array_merge( + array_slice( $selector->elements, $currentSelectorPathElementIndex, ( $match['index'] - $currentSelectorPathElementIndex ) ), // last parameter of array_slice is different than the last parameter of javascript's slice + [ $firstElement ], + array_slice( $replacementSelector->elements, 1 ) + ); + + if ( $currentSelectorPathIndex === $match['pathIndex'] && $matchIndex > 0 ) { + $last_key = count( $path ) - 1; + $path[$last_key]->elements = array_merge( $path[$last_key]->elements, $newElements ); + } else { + $path = array_merge( $path, array_slice( $selectorPath, $currentSelectorPathIndex, $match['pathIndex'] ) ); + $path[] = new Less_Tree_Selector( $newElements ); + } + + $currentSelectorPathIndex = $match['endPathIndex']; + $currentSelectorPathElementIndex = $match['endPathElementIndex']; + if ( $currentSelectorPathElementIndex >= count( $selectorPath[$currentSelectorPathIndex]->elements ) ) { + $currentSelectorPathElementIndex = 0; + $currentSelectorPathIndex++; + } + } + + if ( $currentSelectorPathIndex < $selectorPath_len && $currentSelectorPathElementIndex > 0 ) { + $last_path = end( $path ); + $last_path->elements = array_merge( $last_path->elements, array_slice( $selectorPath[$currentSelectorPathIndex]->elements, $currentSelectorPathElementIndex ) ); + $currentSelectorPathIndex++; + } + + $slice_len = $selectorPath_len - $currentSelectorPathIndex; + $path = array_merge( $path, array_slice( $selectorPath, $currentSelectorPathIndex, $slice_len ) ); + + return $path; + } + + protected function visitMedia( $mediaNode ) { + $newAllExtends = array_merge( $mediaNode->allExtends, end( $this->allExtendsStack ) ); + $this->allExtendsStack[] = $this->doExtendChaining( $newAllExtends, $mediaNode->allExtends ); + } + + protected function visitMediaOut() { + array_pop( $this->allExtendsStack ); + } + + protected function visitDirective( $directiveNode ) { + $newAllExtends = array_merge( $directiveNode->allExtends, end( $this->allExtendsStack ) ); + $this->allExtendsStack[] = $this->doExtendChaining( $newAllExtends, $directiveNode->allExtends ); + } + + protected function visitDirectiveOut() { + array_pop( $this->allExtendsStack ); + } + +} diff --git a/vendor/wikimedia/less.php/lib/Less/Visitor/toCSS.php b/vendor/wikimedia/less.php/lib/Less/Visitor/toCSS.php new file mode 100644 index 0000000..6c476d2 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Visitor/toCSS.php @@ -0,0 +1,275 @@ +<?php +/** + * @private + */ +class Less_Visitor_toCSS extends Less_VisitorReplacing { + + private $charset; + + public function __construct() { + parent::__construct(); + } + + /** + * @param Less_Tree_Ruleset $root + */ + public function run( $root ) { + return $this->visitObj( $root ); + } + + public function visitRule( $ruleNode ) { + if ( $ruleNode->variable ) { + return []; + } + return $ruleNode; + } + + public function visitMixinDefinition( $mixinNode ) { + // mixin definitions do not get eval'd - this means they keep state + // so we have to clear that state here so it isn't used if toCSS is called twice + $mixinNode->frames = []; + return []; + } + + public function visitExtend() { + return []; + } + + public function visitComment( $commentNode ) { + if ( $commentNode->isSilent() ) { + return []; + } + return $commentNode; + } + + public function visitMedia( $mediaNode, &$visitDeeper ) { + $mediaNode->accept( $this ); + $visitDeeper = false; + + if ( !$mediaNode->rules ) { + return []; + } + return $mediaNode; + } + + public function visitDirective( $directiveNode ) { + if ( isset( $directiveNode->currentFileInfo['reference'] ) && ( !property_exists( $directiveNode, 'isReferenced' ) || !$directiveNode->isReferenced ) ) { + return []; + } + if ( $directiveNode->name === '@charset' ) { + // Only output the debug info together with subsequent @charset definitions + // a comment (or @media statement) before the actual @charset directive would + // be considered illegal css as it has to be on the first line + if ( isset( $this->charset ) && $this->charset ) { + + // if( $directiveNode->debugInfo ){ + // $comment = new Less_Tree_Comment('/* ' . str_replace("\n",'',$directiveNode->toCSS())." */\n"); + // $comment->debugInfo = $directiveNode->debugInfo; + // return $this->visit($comment); + //} + + return []; + } + $this->charset = true; + } + return $directiveNode; + } + + public function checkPropertiesInRoot( $rulesetNode ) { + if ( !$rulesetNode->firstRoot ) { + return; + } + + foreach ( $rulesetNode->rules as $ruleNode ) { + if ( $ruleNode instanceof Less_Tree_Rule && !$ruleNode->variable ) { + $msg = "properties must be inside selector blocks, they cannot be in the root. Index " . $ruleNode->index . ( $ruleNode->currentFileInfo ? ( ' Filename: ' . $ruleNode->currentFileInfo['filename'] ) : null ); + throw new Less_Exception_Compiler( $msg ); + } + } + } + + public function visitRuleset( $rulesetNode, &$visitDeeper ) { + $visitDeeper = false; + + $this->checkPropertiesInRoot( $rulesetNode ); + + if ( $rulesetNode->root ) { + return $this->visitRulesetRoot( $rulesetNode ); + } + + $rulesets = []; + $rulesetNode->paths = $this->visitRulesetPaths( $rulesetNode ); + + // Compile rules and rulesets + $nodeRuleCnt = $rulesetNode->rules ? count( $rulesetNode->rules ) : 0; + for ( $i = 0; $i < $nodeRuleCnt; ) { + $rule = $rulesetNode->rules[$i]; + + if ( property_exists( $rule, 'rules' ) ) { + // visit because we are moving them out from being a child + $rulesets[] = $this->visitObj( $rule ); + array_splice( $rulesetNode->rules, $i, 1 ); + $nodeRuleCnt--; + continue; + } + $i++; + } + + // accept the visitor to remove rules and refactor itself + // then we can decide now whether we want it or not + if ( $nodeRuleCnt > 0 ) { + $rulesetNode->accept( $this ); + + if ( $rulesetNode->rules ) { + + if ( count( $rulesetNode->rules ) > 1 ) { + $this->_mergeRules( $rulesetNode->rules ); + $this->_removeDuplicateRules( $rulesetNode->rules ); + } + + // now decide whether we keep the ruleset + if ( $rulesetNode->paths ) { + // array_unshift($rulesets, $rulesetNode); + array_splice( $rulesets, 0, 0, [ $rulesetNode ] ); + } + } + + } + + if ( count( $rulesets ) === 1 ) { + return $rulesets[0]; + } + return $rulesets; + } + + /** + * Helper function for visitiRuleset + * + * return array|Less_Tree_Ruleset + */ + private function visitRulesetRoot( $rulesetNode ) { + $rulesetNode->accept( $this ); + if ( $rulesetNode->firstRoot || $rulesetNode->rules ) { + return $rulesetNode; + } + return []; + } + + /** + * Helper function for visitRuleset() + * + * @return array + */ + private function visitRulesetPaths( $rulesetNode ) { + $paths = []; + foreach ( $rulesetNode->paths as $p ) { + if ( $p[0]->elements[0]->combinator === ' ' ) { + $p[0]->elements[0]->combinator = ''; + } + + foreach ( $p as $pi ) { + if ( $pi->getIsReferenced() && $pi->getIsOutput() ) { + $paths[] = $p; + break; + } + } + } + + return $paths; + } + + protected function _removeDuplicateRules( &$rules ) { + // remove duplicates + $ruleCache = []; + for ( $i = count( $rules ) - 1; $i >= 0; $i-- ) { + $rule = $rules[$i]; + if ( $rule instanceof Less_Tree_Rule || $rule instanceof Less_Tree_NameValue ) { + + if ( !isset( $ruleCache[$rule->name] ) ) { + $ruleCache[$rule->name] = $rule; + } else { + $ruleList =& $ruleCache[$rule->name]; + + if ( $ruleList instanceof Less_Tree_Rule || $ruleList instanceof Less_Tree_NameValue ) { + $ruleList = $ruleCache[$rule->name] = [ $ruleCache[$rule->name]->toCSS() ]; + } + + $ruleCSS = $rule->toCSS(); + if ( array_search( $ruleCSS, $ruleList ) !== false ) { + array_splice( $rules, $i, 1 ); + } else { + $ruleList[] = $ruleCSS; + } + } + } + } + } + + protected function _mergeRules( &$rules ) { + $groups = []; + + // obj($rules); + + $rules_len = count( $rules ); + for ( $i = 0; $i < $rules_len; $i++ ) { + $rule = $rules[$i]; + + if ( ( $rule instanceof Less_Tree_Rule ) && $rule->merge ) { + + $key = $rule->name; + if ( $rule->important ) { + $key .= ',!'; + } + + if ( !isset( $groups[$key] ) ) { + $groups[$key] = []; + } else { + array_splice( $rules, $i--, 1 ); + $rules_len--; + } + + $groups[$key][] = $rule; + } + } + + foreach ( $groups as $parts ) { + + if ( count( $parts ) > 1 ) { + $rule = $parts[0]; + $spacedGroups = []; + $lastSpacedGroup = []; + $parts_mapped = []; + foreach ( $parts as $p ) { + if ( $p->merge === '+' ) { + if ( $lastSpacedGroup ) { + $spacedGroups[] = self::toExpression( $lastSpacedGroup ); + } + $lastSpacedGroup = []; + } + $lastSpacedGroup[] = $p; + } + + $spacedGroups[] = self::toExpression( $lastSpacedGroup ); + $rule->value = self::toValue( $spacedGroups ); + } + } + } + + public static function toExpression( $values ) { + $mapped = []; + foreach ( $values as $p ) { + $mapped[] = $p->value; + } + return new Less_Tree_Expression( $mapped ); + } + + public static function toValue( $values ) { + // return new Less_Tree_Value($values); ?? + + $mapped = []; + foreach ( $values as $p ) { + $mapped[] = $p; + } + return new Less_Tree_Value( $mapped ); + } +} diff --git a/vendor/wikimedia/less.php/lib/Less/VisitorReplacing.php b/vendor/wikimedia/less.php/lib/Less/VisitorReplacing.php new file mode 100644 index 0000000..ae8b82e --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/VisitorReplacing.php @@ -0,0 +1,66 @@ +<?php +/** + * @private + */ +class Less_VisitorReplacing extends Less_Visitor { + + public function visitObj( $node ) { + $funcName = 'visit' . $node->type; + if ( isset( $this->_visitFnCache[$funcName] ) ) { + + $visitDeeper = true; + $node = $this->$funcName( $node, $visitDeeper ); + + if ( $node ) { + if ( $visitDeeper && is_object( $node ) ) { + $node->accept( $this ); + } + + $funcName .= "Out"; + if ( isset( $this->_visitFnCache[$funcName] ) ) { + $this->$funcName( $node ); + } + } + + } else { + $node->accept( $this ); + } + + return $node; + } + + public function visitArray( $nodes ) { + $newNodes = []; + foreach ( $nodes as $node ) { + $evald = $this->visitObj( $node ); + if ( $evald ) { + if ( is_array( $evald ) ) { + self::flatten( $evald, $newNodes ); + } else { + $newNodes[] = $evald; + } + } + } + return $newNodes; + } + + public function flatten( $arr, &$out ) { + foreach ( $arr as $item ) { + if ( !is_array( $item ) ) { + $out[] = $item; + continue; + } + + foreach ( $item as $nestedItem ) { + if ( is_array( $nestedItem ) ) { + self::flatten( $nestedItem, $out ); + } else { + $out[] = $nestedItem; + } + } + } + + return $out; + } + +} |