git.roojs.org Git - Pman.MTrack/blob - Diff.php

   1 <?php
   2 class Pman_MTrack_Diff extends Pman {
   3
   4     function getAuth()
   5     {
   6         die("nothing here yet");
   7     }
   8
   9
  10     function toHTML($input)
  11     {
  12
  13
  14
  15         $nlines = 0;
  16
  17         if (is_resource($input)) {
  18             $lines = array();
  19             while (($line = fgets($input)) !== false) {
  20               $lines[] = rtrim($line, "\r\n");
  21             }
  22             $input = $lines;
  23         }
  24
  25         // abase???
  26         if (is_string($input)) {
  27             $abase = md5($input);
  28             $input = preg_split("/\r?\n/", $input);
  29         } else {
  30             $abase = md5(join("\n", $input));
  31         }
  32
  33         $html = "<table class='code diff'>";
  34             //$html = "<pre class='code diff'>";
  35
  36         while (true) {
  37             if (!count($input)) {
  38                 break;
  39             }
  40             $line = array_shift($input);
  41             $nlines++;
  42             if (!strncmp($line, '@@ ', 3)) {
  43                 /* done with preamble */
  44                 break;
  45             }
  46             $html .=  "<tr class='meta'><td class='lineno'></td>".
  47                     "<td class='lineno'></td><td class='lineno'></td><td width='100%'>".
  48                     htmlspecialchars($line, ENT_QUOTES, 'utf-8') .
  49                     '</tr>';
  50         }
  51
  52         $lines = array(0, 0);
  53         $first = false;
  54         while (true) {
  55             $class = 'unmod';
  56
  57             if (preg_match("/^@@\s+-(\pN+)(?:,\pN+)?\s+\+(\pN+)(?:,\pN+)?\s*@@/",
  58                   $line, $M)) {
  59                 $lines[0] = (int)$M[1] - 1;
  60                 $lines[1] = (int)$M[2] - 1;
  61                 $class = 'meta';
  62                 $first = true;
  63             } elseif (strlen($line)) {
  64                 if ($line[0] == '-') {
  65                     $lines[0]++;
  66                     $class = 'removed';
  67                 } elseif ($line[0] == '+') {
  68                     $lines[1]++;
  69                     $class = 'added';
  70                 } else {
  71                     $lines[0]++;
  72                     $lines[1]++;
  73                 }
  74             } else {
  75                 $lines[0]++;
  76                 $lines[1]++;
  77             }
  78
  79
  80             $row = "<tr class='$class";
  81             if ($first) {
  82                 $row .= ' first';
  83             }
  84             if ($class != 'meta' && $first) {
  85                 $first = false;
  86             }
  87             $row .= "'>";
  88
  89             switch ($class) {
  90                 case 'meta':
  91                     $line_info = '';
  92                     $row .= "<td class='lineno'></td><td class='lineno'></td>";
  93                     break;
  94
  95                 case 'added':
  96                     $row .= "<td class='lineno'></td><td class='lineno'>" .
  97                         $lines[1] . "</td>";
  98                     break;
  99
 100                 case 'removed':
 101                     $row .= "<td class='lineno'>" . $lines[0] .
 102                             "</td><td class='lineno'></td>";
 103                     break;
 104
 105                 default:
 106                     $row .= "<td class='lineno'>" . $lines[0] .
 107                         "</td><td class='lineno'>" . $lines[1] . "</td>";
 108             }
 109
 110             $anchor = $abase . '.' . $nlines;
 111            $row .= "<td class='linelink'><a name='$anchor'></a>".
 112                     "<a href='#$anchor' title='link to this line'>#</a></td>";
 113
 114               $line = htmlspecialchars($line, ENT_QUOTES, 'utf-8');
 115               $row .= "<td class='line' width='100%'>$line</td></tr>\n";
 116               $html .= $row;
 117
 118               if (!count($input)) {
 119                 break;
 120               }
 121               $line = array_shift($input);
 122               $nlines++;
 123             }
 124
 125             if ($nlines == 0) {
 126               return null;
 127             }
 128
 129             $html .= "</table>";
 130             return $html;
 131 }