lib/htmlpurifier/library/HTMLPurifier/ConfigSchema/Builder/Xml.php

   1 <?php
   2
   3 /**
   4  * Converts HTMLPurifier_ConfigSchema_Interchange to an XML format,
   5  * which can be further processed to generate documentation.
   6  */
   7 class HTMLPurifier_ConfigSchema_Builder_Xml extends XMLWriter
   8 {
   9
  10     protected $interchange;
  11     private $namespace;
  12
  13     protected function writeHTMLDiv($html) {
  14         $this->startElement('div');
  15
  16         $purifier = HTMLPurifier::getInstance();
  17         $html = $purifier->purify($html);
  18         $this->writeAttribute('xmlns', 'http://www.w3.org/1999/xhtml');
  19         $this->writeRaw($html);
  20
  21         $this->endElement(); // div
  22     }
  23
  24     protected function export($var) {
  25         if ($var === array()) return 'array()';
  26         return var_export($var, true);
  27     }
  28
  29     public function build($interchange) {
  30         // global access, only use as last resort
  31         $this->interchange = $interchange;
  32
  33         $this->setIndent(true);
  34         $this->startDocument('1.0', 'UTF-8');
  35         $this->startElement('configdoc');
  36         $this->writeElement('title', $interchange->name);
  37
  38         foreach ($interchange->directives as $directive) {
  39             $this->buildDirective($directive);
  40         }
  41
  42         if ($this->namespace) $this->endElement(); // namespace
  43
  44         $this->endElement(); // configdoc
  45         $this->flush();
  46     }
  47
  48     public function buildDirective($directive) {
  49
  50         // Kludge, although I suppose having a notion of a "root namespace"
  51         // certainly makes things look nicer when documentation is built.
  52         // Depends on things being sorted.
  53         if (!$this->namespace || $this->namespace !== $directive->id->getRootNamespace()) {
  54             if ($this->namespace) $this->endElement(); // namespace
  55             $this->namespace = $directive->id->getRootNamespace();
  56             $this->startElement('namespace');
  57             $this->writeAttribute('id', $this->namespace);
  58             $this->writeElement('name', $this->namespace);
  59         }
  60
  61         $this->startElement('directive');
  62         $this->writeAttribute('id', $directive->id->toString());
  63
  64         $this->writeElement('name', $directive->id->getDirective());
  65
  66         $this->startElement('aliases');
  67             foreach ($directive->aliases as $alias) $this->writeElement('alias', $alias->toString());
  68         $this->endElement(); // aliases
  69
  70         $this->startElement('constraints');
  71             if ($directive->version) $this->writeElement('version', $directive->version);
  72             $this->startElement('type');
  73                 if ($directive->typeAllowsNull) $this->writeAttribute('allow-null', 'yes');
  74                 $this->text($directive->type);
  75             $this->endElement(); // type
  76             if ($directive->allowed) {
  77                 $this->startElement('allowed');
  78                     foreach ($directive->allowed as $value => $x) $this->writeElement('value', $value);
  79                 $this->endElement(); // allowed
  80             }
  81             $this->writeElement('default', $this->export($directive->default));
  82             $this->writeAttribute('xml:space', 'preserve');
  83             if ($directive->external) {
  84                 $this->startElement('external');
  85                     foreach ($directive->external as $project) $this->writeElement('project', $project);
  86                 $this->endElement();
  87             }
  88         $this->endElement(); // constraints
  89
  90         if ($directive->deprecatedVersion) {
  91             $this->startElement('deprecated');
  92                 $this->writeElement('version', $directive->deprecatedVersion);
  93                 $this->writeElement('use', $directive->deprecatedUse->toString());
  94             $this->endElement(); // deprecated
  95         }
  96
  97         $this->startElement('description');
  98             $this->writeHTMLDiv($directive->description);
  99         $this->endElement(); // description
 100
 101         $this->endElement(); // directive
 102     }
 103
 104 }
 105
 106 // vim: et sw=4 sts=4