gluon-web-remote

Web remote Administration for big size of gluon routers
git clone git://archive.git.mtrnord.blog/MTRNord/gluon-web-remote.git
Log | Files | Refs | README

Parser.php (3187B)

      1 <?php
      2 /*
      3  * This file is part of the Diff package.
      4  *
      5  * (c) Sebastian Bergmann <sebastian@phpunit.de>
      6  *
      7  * For the full copyright and license information, please view the LICENSE
      8  * file that was distributed with this source code.
      9  */
     10 
     11 namespace SebastianBergmann\Diff;
     12 
     13 /**
     14  * Unified diff parser.
     15  *
     16  * @package    Diff
     17  * @author     Sebastian Bergmann <sebastian@phpunit.de>
     18  * @author     Kore Nordmann <mail@kore-nordmann.de>
     19  * @copyright  Sebastian Bergmann <sebastian@phpunit.de>
     20  * @license    http://www.opensource.org/licenses/BSD-3-Clause  The BSD 3-Clause License
     21  * @link       http://www.github.com/sebastianbergmann/diff
     22  */
     23 class Parser
     24 {
     25     /**
     26      * @param  string $string
     27      * @return Diff[]
     28      */
     29     public function parse($string)
     30     {
     31         $lines     = preg_split('(\r\n|\r|\n)', $string);
     32         $lineCount = count($lines);
     33         $diffs     = array();
     34         $diff      = null;
     35         $collected = array();
     36 
     37         for ($i = 0; $i < $lineCount; ++$i) {
     38             if (preg_match('(^---\\s+(?P<file>\\S+))', $lines[$i], $fromMatch) &&
     39                 preg_match('(^\\+\\+\\+\\s+(?P<file>\\S+))', $lines[$i + 1], $toMatch)) {
     40                 if ($diff !== null) {
     41                     $this->parseFileDiff($diff, $collected);
     42                     $diffs[]   = $diff;
     43                     $collected = array();
     44                 }
     45 
     46                 $diff = new Diff($fromMatch['file'], $toMatch['file']);
     47                 ++$i;
     48             } else {
     49                 if (preg_match('/^(?:diff --git |index [\da-f\.]+|[+-]{3} [ab])/', $lines[$i])) {
     50                     continue;
     51                 }
     52                 $collected[] = $lines[$i];
     53             }
     54         }
     55 
     56         if (count($collected) && ($diff !== null)) {
     57             $this->parseFileDiff($diff, $collected);
     58             $diffs[] = $diff;
     59         }
     60 
     61         return $diffs;
     62     }
     63 
     64     /**
     65      * @param Diff  $diff
     66      * @param array $lines
     67      */
     68     private function parseFileDiff(Diff $diff, array $lines)
     69     {
     70         $chunks = array();
     71 
     72         foreach ($lines as $line) {
     73             if (preg_match('/^@@\s+-(?P<start>\d+)(?:,\s*(?P<startrange>\d+))?\s+\+(?P<end>\d+)(?:,\s*(?P<endrange>\d+))?\s+@@/', $line, $match)) {
     74                 $chunk = new Chunk(
     75                     $match['start'],
     76                     isset($match['startrange']) ? max(1, $match['startrange']) : 1,
     77                     $match['end'],
     78                     isset($match['endrange']) ? max(1, $match['endrange']) : 1
     79                 );
     80 
     81                 $chunks[] = $chunk;
     82                 $diffLines = array();
     83                 continue;
     84             }
     85 
     86             if (preg_match('/^(?P<type>[+ -])?(?P<line>.*)/', $line, $match)) {
     87                 $type = Line::UNCHANGED;
     88 
     89                 if ($match['type'] == '+') {
     90                     $type = Line::ADDED;
     91                 } elseif ($match['type'] == '-') {
     92                     $type = Line::REMOVED;
     93                 }
     94 
     95                 $diffLines[] = new Line($type, $match['line']);
     96 
     97                 if (isset($chunk)) {
     98                     $chunk->setLines($diffLines);
     99                 }
    100             }
    101         }
    102 
    103         $diff->setChunks($chunks);
    104     }
    105 }