From 8ca6cc32b2c789a3149861159ad258f2cb9491e3 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 28 Apr 2024 14:39:39 +0200
Subject: Adding upstream version 2.11.4.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../vendor/lessphp/lib/Less/Exception/Chunk.php    | 200 +++++++++++++++++++++
 .../vendor/lessphp/lib/Less/Exception/Compiler.php |  11 ++
 .../vendor/lessphp/lib/Less/Exception/Parser.php   | 107 +++++++++++
 3 files changed, 318 insertions(+)
 create mode 100644 library/vendor/lessphp/lib/Less/Exception/Chunk.php
 create mode 100644 library/vendor/lessphp/lib/Less/Exception/Compiler.php
 create mode 100644 library/vendor/lessphp/lib/Less/Exception/Parser.php

(limited to 'library/vendor/lessphp/lib/Less/Exception')

diff --git a/library/vendor/lessphp/lib/Less/Exception/Chunk.php b/library/vendor/lessphp/lib/Less/Exception/Chunk.php
new file mode 100644
index 0000000..2458cc5
--- /dev/null
+++ b/library/vendor/lessphp/lib/Less/Exception/Chunk.php
@@ -0,0 +1,200 @@
+<?php
+
+/**
+ * Chunk Exception
+ *
+ * @package Less
+ * @subpackage exception
+ */
+class Less_Exception_Chunk extends Less_Exception_Parser {
+
+	protected $parserCurrentIndex = 0;
+
+	protected $emitFrom = 0;
+
+	protected $input_len;
+
+	/**
+	 * @param string $input
+	 * @param Exception|null $previous Previous exception
+	 * @param int|null $index The current parser index
+	 * @param array|null $currentFile The file
+	 * @param int $code The exception code
+	 */
+	public function __construct( $input, Exception $previous = null, $index = null, $currentFile = null, $code = 0 ) {
+		$this->message = 'ParseError: Unexpected input'; // default message
+
+		$this->index = $index;
+
+		$this->currentFile = $currentFile;
+
+		$this->input = $input;
+		$this->input_len = strlen( $input );
+
+		$this->Chunks();
+		$this->genMessage();
+	}
+
+	/**
+	 * See less.js chunks()
+	 * We don't actually need the chunks
+	 */
+	protected function Chunks() {
+		$level = 0;
+		$parenLevel = 0;
+		$lastMultiCommentEndBrace = null;
+		$lastOpening = null;
+		$lastMultiComment = null;
+		$lastParen = null;
+
+		for ( $this->parserCurrentIndex = 0; $this->parserCurrentIndex < $this->input_len; $this->parserCurrentIndex++ ) {
+			$cc = $this->CharCode( $this->parserCurrentIndex );
+			if ( ( ( $cc >= 97 ) && ( $cc <= 122 ) ) || ( $cc < 34 ) ) {
+				// a-z or whitespace
+				continue;
+			}
+
+			switch ( $cc ) {
+
+				// (
+				case 40:
+					$parenLevel++;
+					$lastParen = $this->parserCurrentIndex;
+					break;
+
+				// )
+				case 41:
+					$parenLevel--;
+					if ( $parenLevel < 0 ) {
+						return $this->fail( "missing opening `(`" );
+					}
+					break;
+
+				// ;
+				case 59:
+					// if (!$parenLevel) { $this->emitChunk();   }
+					break;
+
+				// {
+				case 123:
+					$level++;
+					$lastOpening = $this->parserCurrentIndex;
+					break;
+
+				// }
+				case 125:
+					$level--;
+					if ( $level < 0 ) {
+						return $this->fail( "missing opening `{`" );
+
+					}
+					// if (!$level && !$parenLevel) { $this->emitChunk(); }
+					break;
+				// \
+				case 92:
+					if ( $this->parserCurrentIndex < $this->input_len - 1 ) { $this->parserCurrentIndex++; break;
+					}
+					return $this->fail( "unescaped `\\`" );
+
+				// ", ' and `
+				case 34:
+				case 39:
+				case 96:
+					$matched = 0;
+					$currentChunkStartIndex = $this->parserCurrentIndex;
+					for ( $this->parserCurrentIndex += 1; $this->parserCurrentIndex < $this->input_len; $this->parserCurrentIndex++ ) {
+						$cc2 = $this->CharCode( $this->parserCurrentIndex );
+						if ( $cc2 > 96 ) { continue;
+						}
+						if ( $cc2 == $cc ) { $matched = 1; break;
+						}
+						if ( $cc2 == 92 ) {        // \
+							if ( $this->parserCurrentIndex == $this->input_len - 1 ) {
+								return $this->fail( "unescaped `\\`" );
+							}
+							$this->parserCurrentIndex++;
+						}
+					}
+					if ( $matched ) { break;
+					}
+					return $this->fail( "unmatched `" . chr( $cc ) . "`", $currentChunkStartIndex );
+
+				// /, check for comment
+				case 47:
+					if ( $parenLevel || ( $this->parserCurrentIndex == $this->input_len - 1 ) ) { break;
+					}
+					$cc2 = $this->CharCode( $this->parserCurrentIndex + 1 );
+					if ( $cc2 == 47 ) {
+						// //, find lnfeed
+						for ( $this->parserCurrentIndex += 2; $this->parserCurrentIndex < $this->input_len; $this->parserCurrentIndex++ ) {
+							$cc2 = $this->CharCode( $this->parserCurrentIndex );
+							if ( ( $cc2 <= 13 ) && ( ( $cc2 == 10 ) || ( $cc2 == 13 ) ) ) { break;
+							}
+						}
+					} else if ( $cc2 == 42 ) {
+						// /*, find */
+						$lastMultiComment = $currentChunkStartIndex = $this->parserCurrentIndex;
+						for ( $this->parserCurrentIndex += 2; $this->parserCurrentIndex < $this->input_len - 1; $this->parserCurrentIndex++ ) {
+							$cc2 = $this->CharCode( $this->parserCurrentIndex );
+							if ( $cc2 == 125 ) { $lastMultiCommentEndBrace = $this->parserCurrentIndex;
+							}
+							if ( $cc2 != 42 ) { continue;
+							}
+							if ( $this->CharCode( $this->parserCurrentIndex + 1 ) == 47 ) { break;
+							}
+						}
+						if ( $this->parserCurrentIndex == $this->input_len - 1 ) {
+							return $this->fail( "missing closing `*/`", $currentChunkStartIndex );
+						}
+					}
+					break;
+
+				// *, check for unmatched */
+				case 42:
+					if ( ( $this->parserCurrentIndex < $this->input_len - 1 ) && ( $this->CharCode( $this->parserCurrentIndex + 1 ) == 47 ) ) {
+						return $this->fail( "unmatched `/*`" );
+					}
+					break;
+			}
+		}
+
+		if ( $level !== 0 ) {
+			if ( ( $lastMultiComment > $lastOpening ) && ( $lastMultiCommentEndBrace > $lastMultiComment ) ) {
+				return $this->fail( "missing closing `}` or `*/`", $lastOpening );
+			} else {
+				return $this->fail( "missing closing `}`", $lastOpening );
+			}
+		} else if ( $parenLevel !== 0 ) {
+			return $this->fail( "missing closing `)`", $lastParen );
+		}
+
+		// chunk didn't fail
+
+		//$this->emitChunk(true);
+	}
+
+	public function CharCode( $pos ) {
+		return ord( $this->input[$pos] );
+	}
+
+	public function fail( $msg, $index = null ) {
+		if ( !$index ) {
+			$this->index = $this->parserCurrentIndex;
+		} else {
+			$this->index = $index;
+		}
+		$this->message = 'ParseError: '.$msg;
+	}
+
+	/*
+	function emitChunk( $force = false ){
+		$len = $this->parserCurrentIndex - $this->emitFrom;
+		if ((($len < 512) && !$force) || !$len) {
+			return;
+		}
+		$chunks[] = substr($this->input, $this->emitFrom, $this->parserCurrentIndex + 1 - $this->emitFrom );
+		$this->emitFrom = $this->parserCurrentIndex + 1;
+	}
+	*/
+
+}
diff --git a/library/vendor/lessphp/lib/Less/Exception/Compiler.php b/library/vendor/lessphp/lib/Less/Exception/Compiler.php
new file mode 100644
index 0000000..1c3727a
--- /dev/null
+++ b/library/vendor/lessphp/lib/Less/Exception/Compiler.php
@@ -0,0 +1,11 @@
+<?php
+
+/**
+ * Compiler Exception
+ *
+ * @package Less
+ * @subpackage exception
+ */
+class Less_Exception_Compiler extends Less_Exception_Parser {
+
+}
diff --git a/library/vendor/lessphp/lib/Less/Exception/Parser.php b/library/vendor/lessphp/lib/Less/Exception/Parser.php
new file mode 100644
index 0000000..f0e3227
--- /dev/null
+++ b/library/vendor/lessphp/lib/Less/Exception/Parser.php
@@ -0,0 +1,107 @@
+<?php
+
+/**
+ * Parser Exception
+ *
+ * @package Less
+ * @subpackage exception
+ */
+class Less_Exception_Parser extends Exception {
+
+	/**
+	 * The current file
+	 *
+	 * @var array
+	 */
+	public $currentFile;
+
+	/**
+	 * The current parser index
+	 *
+	 * @var integer
+	 */
+	public $index;
+
+	protected $input;
+
+	protected $details = array();
+
+	/**
+	 * @param string $message
+	 * @param Exception|null $previous Previous exception
+	 * @param int|null $index The current parser index
+	 * @param array|null $currentFile The file
+	 * @param int $code The exception code
+	 */
+	public function __construct( $message = null, Exception $previous = null, $index = null, $currentFile = null, $code = 0 ) {
+		parent::__construct( $message, $code, $previous );
+
+		$this->currentFile = $currentFile;
+		$this->index = $index;
+
+		$this->genMessage();
+	}
+
+	protected function getInput() {
+		if ( !$this->input && $this->currentFile && $this->currentFile['filename'] && file_exists( $this->currentFile['filename'] ) ) {
+			$this->input = file_get_contents( $this->currentFile['filename'] );
+		}
+	}
+
+	/**
+	 * Set a message based on the exception info
+	 */
+	public function genMessage() {
+		if ( $this->currentFile && $this->currentFile['filename'] ) {
+			$this->message .= ' in '.basename( $this->currentFile['filename'] );
+		}
+
+		if ( $this->index !== null ) {
+			$this->getInput();
+			if ( $this->input ) {
+				$line = self::getLineNumber();
+				$this->message .= ' on line '.$line.', column '.self::getColumn();
+
+				$lines = explode( "\n", $this->input );
+
+				$count = count( $lines );
+				$start_line = max( 0, $line - 3 );
+				$last_line = min( $count, $start_line + 6 );
+				$num_len = strlen( $last_line );
+				for ( $i = $start_line; $i < $last_line; $i++ ) {
+					$this->message .= "\n".str_pad( $i + 1, $num_len, '0', STR_PAD_LEFT ).'| '.$lines[$i];
+				}
+			}
+		}
+
+	}
+
+	/**
+	 * Returns the line number the error was encountered
+	 *
+	 * @return integer
+	 */
+	public function getLineNumber() {
+		if ( $this->index ) {
+			// https://bugs.php.net/bug.php?id=49790
+			if ( ini_get( "mbstring.func_overload" ) ) {
+				return substr_count( substr( $this->input, 0, $this->index ), "\n" ) + 1;
+			} else {
+				return substr_count( $this->input, "\n", 0, $this->index ) + 1;
+			}
+		}
+		return 1;
+	}
+
+	/**
+	 * Returns the column the error was encountered
+	 *
+	 * @return integer
+	 */
+	public function getColumn() {
+		$part = substr( $this->input, 0, $this->index );
+		$pos = strrpos( $part, "\n" );
+		return $this->index - $pos;
+	}
+
+}
-- 
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