XHTMLCompiler/DOMFilter/ConfigLinker.php

   1 <?php
   2
   3 /**
   4  * Implements the xc:configdoc attribute on a tags, which gets converted
   5  * into a link to the appropriate configuration documentation, and,
   6  * if the contents of the tag is empty, expands the configuration
   7  * directive text to %NS.Directive.
   8  */
   9 class XHTMLCompiler_DOMFilter_ConfigLinker extends XHTMLCompiler_DOMFilter
  10 {
  11
  12     protected $name = 'ConfigLinker';
  13     protected $xcAttr = array('configdoc');
  14
  15     public function process(DOMDocument $dom, $page, $manager) {
  16
  17         // this is the absolute path implementation of the functionality
  18         $xc = XHTMLCompiler::getInstance();
  19         $configdoc = $xc->getConf('configdoc');
  20         $nodes = $this->query("//html:a[@xc:configdoc]");
  21         if ($nodes) $manager->addDependency(__FILE__);
  22         foreach ($nodes as $node) {
  23             $directive = $this->confiscateAttr($node, $this->ns, 'configdoc');
  24             if (!$configdoc) continue;
  25             if ($directive) {
  26                 // $directive is "Namespace.Directive" to convert
  27                 $node->setAttribute('href', str_replace('%s', $directive, $configdoc));
  28                 if (!$node->hasChildNodes()) {
  29                     $text = $dom->createTextNode('%' . $directive);
  30                     $node->appendChild($text);
  31                 }
  32             }
  33         }
  34
  35     }
  36
  37 }