diff options
Diffstat (limited to 'vendor/wikimedia/less.php/lib/Less/Tree')
36 files changed, 3863 insertions, 0 deletions
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 ); + } + +} |