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     static function toHTML($input)
  11     {
  12
  13         $nlines = 0;
  14
  15         if (is_resource($input)) {
  16             $lines = array();
  17             while (($line = fgets($input)) !== false) {
  18               $lines[] = rtrim($line, "\r\n");
  19             }
  20             $input = $lines;
  21         }
  22
  23         // abase???
  24         if (is_string($input)) {
  25             $abase = md5($input);
  26             $input = preg_split("/\r?\n/", $input);
  27         } else {
  28             $abase = md5(join("\n", $input));
  29         }
  30         //echo '<pre>' . implode("\n", $input);exit;
  31         $html = "<code><table class='code diff'>";
  32             //$html = "<pre class='code diff'>";
  33
  34         while (true) {
  35             if (!count($input)) {
  36                 break;
  37             }
  38             $line = array_shift($input);
  39             $nlines++;
  40             if (!strncmp($line, '@@ ', 3)) {
  41                 /* done with preamble */
  42                 break;
  43             }
  44             $html .=  "<tr class='meta'><td class='lineno'></td>".
  45                     "<td class='lineno'></td><td class='lineno'></td><td width='100%'>".
  46                     htmlspecialchars($line, ENT_QUOTES, 'utf-8') .
  47                     '</tr>';
  48         }
  49         $class = 'meta';
  50
  51         $lines = array(0, 0);
  52         $first = false;
  53
  54         $in_meta = false;
  55
  56         while (true) {
  57             $class = 'unmod';
  58
  59             if (preg_match("/^@@\s+-(\pN+)(?:,\pN+)?\s+\+(\pN+)(?:,\pN+)?\s*@@/",
  60                   $line, $M)) {
  61                 $lines[0] = (int)$M[1] - 1;
  62                 $lines[1] = (int)$M[2] - 1;
  63                 $class = 'meta';
  64                 $first = true;
  65                 $in_meta = false;
  66             } else if (preg_match("/^diff /", $line)) {
  67                 $class = 'head';
  68                 $in_meta=true;
  69
  70             } elseif (strlen($line)) {
  71                 if ($line[0] == '-') {
  72                     $lines[0]++;
  73                     $class = 'removed';
  74                 } elseif ($line[0] == '+') {
  75                     $lines[1]++;
  76                     $class = 'added';
  77                 } else {
  78                     $lines[0]++;
  79                     $lines[1]++;
  80                 }
  81             } else {
  82                 $lines[0]++;
  83                 $lines[1]++;
  84             }
  85
  86
  87             $row = "<tr class='$class";
  88             if ($first) {
  89                 $row .= ' first';
  90             }
  91             if ($class != 'meta' && $first) {
  92                 $first = false;
  93             }
  94             $row .= "'>";
  95
  96             $anchor = $abase . '.' . $nlines;
  97             $anchor_row = "<td class='linelink'><a name='$anchor'></a>".
  98                     "<a href='#$anchor' title='link to this line'>#</a></td>";
  99
 100             $txt_data = '<td class="line" width="100%">'.
 101                 htmlspecialchars($line, ENT_QUOTES, 'utf-8') .
 102                 "</td></tr>\n";
 103
 104             switch ($class) {
 105                 case 'head':
 106                     $line_info = '';
 107                     $row .= '<td colspan="4" class="line" width="100%">' .
 108                         htmlspecialchars($line, ENT_QUOTES, 'utf-8') . "</td></tr>\n";
 109                     $html .= $row;
 110
 111                     break;
 112
 113                 case 'meta':
 114                     $line_info = '';
 115                     $row .= '<td colspan="4" class="line" width="100%">' .
 116                         htmlspecialchars($line, ENT_QUOTES, 'utf-8') . "</td></tr>\n";
 117                     $html .= $row;
 118                     break;
 119
 120                 case 'added':
 121                     $row .= "<td class='lineno'></td><td class='lineno'>" .
 122                         $lines[1] . "</td>" .
 123                         $anchor_row . $txt_data   ;
 124                     $html .= $row;
 125
 126                     break;
 127
 128                 case 'removed':
 129                     $row .= "<td class='lineno'>" . $lines[0] .
 130                             "</td><td class='lineno'></td>" .
 131                         $anchor_row   . $txt_data ;
 132                     $html .= $row;
 133
 134                     break;
 135
 136                 default:
 137                     $row .= "<td class='lineno'>" . $lines[0] .
 138                         "</td><td class='lineno'>" . $lines[1] . "</td>" .
 139                         $anchor_row   . $txt_data ;
 140                        $html .= $row;
 141             }
 142
 143
 144
 145             if (!count($input)) {
 146                 break;
 147             }
 148             $line = array_shift($input);
 149             $nlines++;
 150         }
 151
 152         if ($nlines == 0) {
 153           return null;
 154         }
 155
 156         $html .= "</table>";
 157         return $html;
 158     }
 159 }