diff options
Diffstat (limited to 'vendor/oyejorge/less.php/lib/Less/Exception/Chunk.php')
| -rw-r--r-- | vendor/oyejorge/less.php/lib/Less/Exception/Chunk.php | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/vendor/oyejorge/less.php/lib/Less/Exception/Chunk.php b/vendor/oyejorge/less.php/lib/Less/Exception/Chunk.php new file mode 100644 index 00000000..9a8b829e --- /dev/null +++ b/vendor/oyejorge/less.php/lib/Less/Exception/Chunk.php @@ -0,0 +1,203 @@ +<?php + +/** + * Chunk Exception + * + * @package Less + * @subpackage exception + */ +class Less_Exception_Chunk extends Less_Exception_Parser{ + + + protected $parserCurrentIndex = 0; + + protected $emitFrom = 0; + + protected $input_len; + + + /** + * Constructor + * + * @param string $input + * @param Exception $previous Previous exception + * @param integer $index The current parser index + * @param Less_FileInfo|string $currentFile The file + * @param integer $code The exception code + */ + public function __construct($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; + continue; + + // ) + case 41: + $parenLevel--; + if( $parenLevel < 0 ){ + return $this->fail("missing opening `(`"); + } + continue; + + // ; + case 59: + //if (!$parenLevel) { $this->emitChunk(); } + continue; + + // { + case 123: + $level++; + $lastOpening = $this->parserCurrentIndex; + continue; + + // } + case 125: + $level--; + if( $level < 0 ){ + return $this->fail("missing opening `{`"); + + } + //if (!$level && !$parenLevel) { $this->emitChunk(); } + continue; + // \ + case 92: + if ($this->parserCurrentIndex < $this->input_len - 1) { $this->parserCurrentIndex++; continue; } + return $this->fail("unescaped `\\`"); + + // ", ' and ` + case 34: + case 39: + case 96: + $matched = 0; + $currentChunkStartIndex = $this->parserCurrentIndex; + for ($this->parserCurrentIndex = $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) { continue; } + return $this->fail("unmatched `" + chr($cc) + "`", $currentChunkStartIndex); + + // /, check for comment + case 47: + if ($parenLevel || ($this->parserCurrentIndex == $this->input_len - 1)) { continue; } + $cc2 = $this->CharCode($this->parserCurrentIndex+1); + if ($cc2 == 47) { + // //, find lnfeed + for ($this->parserCurrentIndex = $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 = $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 `*/`", $currentChunkStartIndex); + } + } + continue; + + // *, check for unmatched */ + case 42: + if (($this->parserCurrentIndex < $this->input_len - 1) && ($this->CharCode($this->parserCurrentIndex+1) == 47)) { + return $this->fail("unmatched `/*`"); + } + continue; + } + } + + 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; + } + */ + +} |