| 1 | <?php␊ |
| 2 | /* -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */␊ |
| 3 | /*␊ |
| 4 | # ***** BEGIN LICENSE BLOCK *****␊ |
| 5 | # This file is part of InDefero, an open source project management application.␊ |
| 6 | # Copyright (C) 2008 Céondo Ltd and contributors.␊ |
| 7 | #␊ |
| 8 | # InDefero is free software; you can redistribute it and/or modify␊ |
| 9 | # it under the terms of the GNU General Public License as published by␊ |
| 10 | # the Free Software Foundation; either version 2 of the License, or␊ |
| 11 | # (at your option) any later version.␊ |
| 12 | #␊ |
| 13 | # InDefero is distributed in the hope that it will be useful,␊ |
| 14 | # but WITHOUT ANY WARRANTY; without even the implied warranty of␊ |
| 15 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the␊ |
| 16 | # GNU General Public License for more details.␊ |
| 17 | #␊ |
| 18 | # You should have received a copy of the GNU General Public License␊ |
| 19 | # along with this program; if not, write to the Free Software␊ |
| 20 | # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA␊ |
| 21 | #␊ |
| 22 | # ***** END LICENSE BLOCK ***** */␊ |
| 23 | ␊ |
| 24 | /**␊ |
| 25 | * Diff parser.␊ |
| 26 | *␊ |
| 27 | */␊ |
| 28 | class IDF_Diff␊ |
| 29 | {␊ |
| 30 | public $repo = '';␊ |
| 31 | public $diff = '';␊ |
| 32 | protected $lines = array();␊ |
| 33 | ␊ |
| 34 | public $files = array();␊ |
| 35 | ␊ |
| 36 | public function __construct($diff, $repo='')␊ |
| 37 | {␊ |
| 38 | $this->repo = $repo;␊ |
| 39 | $this->diff = $diff;␊ |
| 40 | $this->lines = preg_split("/\015\012|\015|\012/", $diff);␊ |
| 41 | }␊ |
| 42 | ␊ |
| 43 | public function parse()␊ |
| 44 | {␊ |
| 45 | $current_file = '';␊ |
| 46 | $current_chunk = 0;␊ |
| 47 | $lline = 0;␊ |
| 48 | $rline = 0;␊ |
| 49 | $files = array();␊ |
| 50 | foreach ($this->lines as $line) {␊ |
| 51 | if (0 === strpos($line, 'diff --git a')) {␊ |
| 52 | $current_file = self::getFile($line);␊ |
| 53 | $files[$current_file] = array();␊ |
| 54 | $files[$current_file]['chunks'] = array();␊ |
| 55 | $files[$current_file]['chunks_def'] = array();␊ |
| 56 | $current_chunk = 0;␊ |
| 57 | continue;␊ |
| 58 | }␊ |
| 59 | if (0 === strpos($line, 'Index: ')) {␊ |
| 60 | $current_file = self::getSvnFile($line);␊ |
| 61 | $files[$current_file] = array();␊ |
| 62 | $files[$current_file]['chunks'] = array();␊ |
| 63 | $files[$current_file]['chunks_def'] = array();␊ |
| 64 | $current_chunk = 0;␊ |
| 65 | continue;␊ |
| 66 | }␊ |
| 67 | if (0 === strpos($line, '@@ ')) {␊ |
| 68 | $files[$current_file]['chunks_def'][] = self::getChunk($line);␊ |
| 69 | $files[$current_file]['chunks'][] = array();␊ |
| 70 | $current_chunk++;␊ |
| 71 | $lline = $files[$current_file]['chunks_def'][$current_chunk-1][0][0];␊ |
| 72 | $rline = $files[$current_file]['chunks_def'][$current_chunk-1][1][0];␊ |
| 73 | continue;␊ |
| 74 | }␊ |
| 75 | if (0 === strpos($line, '---') or 0 === strpos($line, '+++')) {␊ |
| 76 | continue;␊ |
| 77 | }␊ |
| 78 | if (0 === strpos($line, '-')) {␊ |
| 79 | $files[$current_file]['chunks'][$current_chunk-1][] = array($lline, '', substr($line, 1));␊ |
| 80 | $lline++;␊ |
| 81 | continue;␊ |
| 82 | }␊ |
| 83 | if (0 === strpos($line, '+')) {␊ |
| 84 | $files[$current_file]['chunks'][$current_chunk-1][] = array('', $rline, substr($line, 1));␊ |
| 85 | $rline++;␊ |
| 86 | continue;␊ |
| 87 | }␊ |
| 88 | if (0 === strpos($line, ' ')) {␊ |
| 89 | $files[$current_file]['chunks'][$current_chunk-1][] = array($lline, $rline, substr($line, 1));␊ |
| 90 | $rline++;␊ |
| 91 | $lline++;␊ |
| 92 | continue;␊ |
| 93 | }␊ |
| 94 | }␊ |
| 95 | $this->files = $files;␊ |
| 96 | return $files;␊ |
| 97 | }␊ |
| 98 | ␊ |
| 99 | public static function getFile($line)␊ |
| 100 | {␊ |
| 101 | $line = substr(trim($line), 10);␊ |
| 102 | $n = (int) strlen($line)/2;␊ |
| 103 | return trim(substr($line, 3, $n-3));␊ |
| 104 | }␊ |
| 105 | ␊ |
| 106 | public static function getSvnFile($line)␊ |
| 107 | {␊ |
| 108 | return substr(trim($line), 7);␊ |
| 109 | }␊ |
| 110 | ␊ |
| 111 | /**␊ |
| 112 | * Return the html version of a parsed diff.␊ |
| 113 | */␊ |
| 114 | public function as_html()␊ |
| 115 | {␊ |
| 116 | $out = '';␊ |
| 117 | foreach ($this->files as $filename=>$file) {␊ |
| 118 | $pretty = '';␊ |
| 119 | $fileinfo = IDF_Views_Source::getMimeType($filename);␊ |
| 120 | if (IDF_Views_Source::isSupportedExtension($fileinfo[2])) {␊ |
| 121 | $pretty = ' prettyprint';␊ |
| 122 | }␊ |
| 123 | $out .= "\n".'<table class="diff" summary="">'."\n";␊ |
| 124 | $out .= '<tr id="diff-'.md5($filename).'"><th colspan="3">'.Pluf_esc($filename).'</th></tr>'."\n";␊ |
| 125 | $cc = 1;␊ |
| 126 | foreach ($file['chunks'] as $chunk) {␊ |
| 127 | foreach ($chunk as $line) {␊ |
| 128 | if ($line[0] and $line[1]) {␊ |
| 129 | $class = 'diff-c';␊ |
| 130 | } elseif ($line[0]) {␊ |
| 131 | $class = 'diff-r';␊ |
| 132 | } else {␊ |
| 133 | $class = 'diff-a';␊ |
| 134 | }␊ |
| 135 | $line_content = self::padLine(Pluf_esc($line[2]));␊ |
| 136 | $out .= sprintf('<tr class="diff-line"><td class="diff-lc">%s</td><td class="diff-lc">%s</td><td class="%s%s mono">%s</td></tr>'."\n", $line[0], $line[1], $class, $pretty, $line_content);␊ |
| 137 | }␊ |
| 138 | if (count($file['chunks']) > $cc)␊ |
| 139 | $out .= '<tr class="diff-next"><td>...</td><td>...</td><td> </td></tr>'."\n";␊ |
| 140 | $cc++;␊ |
| 141 | }␊ |
| 142 | $out .= '</table>';␊ |
| 143 | }␊ |
| 144 | return Pluf_Template::markSafe($out);␊ |
| 145 | }␊ |
| 146 | ␊ |
| 147 | ␊ |
| 148 | public static function padLine($line)␊ |
| 149 | {␊ |
| 150 | $n = strlen($line);␊ |
| 151 | for ($i=0;$i<$n;$i++) {␊ |
| 152 | if (substr($line, $i, 1) != ' ') {␊ |
| 153 | break;␊ |
| 154 | }␊ |
| 155 | }␊ |
| 156 | return str_repeat(' ', $i).substr($line, $i);␊ |
| 157 | }␊ |
| 158 | ␊ |
| 159 | /**␊ |
| 160 | * @return array array(array(start, n), array(start, n))␊ |
| 161 | */␊ |
| 162 | public static function getChunk($line)␊ |
| 163 | {␊ |
| 164 | $elts = split(' ', $line);␊ |
| 165 | $res = array();␊ |
| 166 | for ($i=1;$i<3;$i++) {␊ |
| 167 | $res[] = split(',', trim(substr($elts[$i], 1)));␊ |
| 168 | }␊ |
| 169 | return $res;␊ |
| 170 | }␊ |
| 171 | ␊ |
| 172 | } |
