sfjp/wiki/plugin/pageoutline.php

   1 <?php
   2 namespace sfjp\Wiki\Plugin;
   3 use sfjp\Wiki\Exception\Plugin_Error;
   4 class PageOutline extends Base {
   5         public $is_vary = false;
   6         public $is_block = true;
   7         public function process($args) {
   8                 $proc = $this->processor;
   9                 $opt = array('start' => 1, 'depth' => 3, 'type' => 'ordered');
  10                 $opt['title'] = $this->__('Outline');
  11                 $counter = array();
  12
  13                 foreach ($args as $arg) {
  14                         if (!strpos($arg, '='))
  15                                 return $this->error("unknown argument $arg");
  16                         list($key, $value) = explode('=', $arg, 2);
  17                         if (!$key || !array_key_exists($key, $opt))
  18                                 return $this->error("unknown argument $arg");
  19                         $opt[$key] = $value;
  20                 }
  21
  22                 $text  = "";
  23                 $match = array();
  24                 $orig  = $proc->getText();
  25                 $orig  = preg_replace('/^{{{.*?^}}}/sm', '', $orig);
  26                 foreach($proc->getBlockstyleRules() as $r) {
  27                         if ($r[0] != "heading")
  28                                 continue;
  29                         $headre = $r[1];
  30                         break;
  31                 }
  32                 $parser = new \sfjp\Wiki\Parser(array());
  33                 preg_match_all("/$headre/m", $orig, $match);
  34                 for($h = 0; array_key_exists($h, $match[1]); $h++) {
  35                         $level  = strlen($match[1][$h]);
  36                         $label  = preg_replace('/<.*?>/', '', $parser->parse(preg_replace('/\[\[.*?\]\]/', '', $match[0][$h])));
  37                         if (isset($match[3][$h]) && strlen($match[3][$h])) {
  38                                 $linkid = trim($match[3][$h]);
  39                         } else {
  40                                 $linkid = "h" . ($level + intval($proc->getContext('head_excess'))) . "-";
  41                                 $linkid .= preg_replace_callback($parser->processor->getInlinestyleRegex(),
  42                                                                  create_function('$m', 'return empty($m[1]) ? "" : substr($m[0], 1);'),
  43                                                                  trim($match[2][$h]));
  44                         }
  45                         if (!isset($counter)) $counter[$linkid] = 0;
  46                         $c =& $counter[$linkid];
  47                         if (++$c > 1) $linkid .= "-{$c}";
  48                         $linkid = str_replace('%', '.', rawurlencode($linkid));
  49
  50                         $outlevel = $level - ($opt['start']-1);
  51                         if ($outlevel > 0 && $outlevel <= $opt['depth'])
  52                                 $text .= sprintf("%".($outlevel*2)."s%s [#%s %s]\n", '',
  53                                                  ($opt['type'] == 'unordered' ? '*' : '1.'),
  54                                                  $linkid, htmlspecialchars_decode($label));
  55                 }
  56                 return $this->getFormatter()->raw_node(
  57                                                        '<div class="pageoutline"><div class="pageoutline-title">'
  58                                                        . '<div class="action">'
  59                                                        . '<button type="button" onClick="javascript:togglePageOutline(this)">'
  60                                                        . '<img src="//static.sourceforge.jp/wiki/images/icons/roll-up.gif" border="0"></button>'
  61                                                        . '</div>'
  62                                                        . $this->__($opt['title'])
  63                                                        . '</div>' . $parser->parse($text) . '</div>');
  64         }
  65
  66
  67 }