mirror of
https://github.com/ezyang/htmlpurifier.git
synced 2024-12-23 08:51:53 +00:00
129a4ea506
git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@715 48356398-32a2-884e-a903-53898d9a118a
178 lines
6.6 KiB
PHP
178 lines
6.6 KiB
PHP
<?php
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require_once 'HTMLPurifier/HTMLDefinition.php';
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require_once 'HTMLPurifier/AttrTypes.php';
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require_once 'HTMLPurifier/AttrCollection.php';
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require_once 'HTMLPurifier/HTMLModule.php';
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require_once 'HTMLPurifier/HTMLModule/Text.php';
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require_once 'HTMLPurifier/HTMLModule/Hypertext.php';
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require_once 'HTMLPurifier/HTMLModule/List.php';
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require_once 'HTMLPurifier/HTMLModule/Presentation.php';
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require_once 'HTMLPurifier/HTMLModule/Edit.php';
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require_once 'HTMLPurifier/HTMLModule/Bdo.php';
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require_once 'HTMLPurifier/HTMLModule/Tables.php';
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require_once 'HTMLPurifier/HTMLModule/Image.php';
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/**
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* Next-generation HTML definition that will supplant HTMLPurifier_HTMLDefinition
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*/
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class HTMLPurifier_XHTMLDefinition extends HTMLPurifier_HTMLDefinition
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{
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var $modules = array();
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var $attr_types;
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var $attr_collection;
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var $content_sets;
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function HTMLPurifier_XHTMLDefinition($config) {
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$this->modules['Text'] = new HTMLPurifier_HTMLModule_Text();
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$this->modules['Hypertext'] = new HTMLPurifier_HTMLModule_Hypertext();
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$this->modules['List'] = new HTMLPurifier_HTMLModule_List();
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$this->modules['Presentation'] = new HTMLPurifier_HTMLModule_Presentation();
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$this->modules['Edit'] = new HTMLPurifier_HTMLModule_Edit();
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$this->modules['Bdo'] = new HTMLPurifier_HTMLModule_Bdo();
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$this->modules['Tables'] = new HTMLPurifier_HTMLModule_Tables();
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$this->modules['Image'] = new HTMLPurifier_HTMLModule_Image();
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$this->attr_types = new HTMLPurifier_AttrTypes();
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$this->attr_collection = new HTMLPurifier_AttrCollection();
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}
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function setup($config) {
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// perform attribute collection substitutions
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$this->attr_collection->setup($this->attr_types, $this->modules);
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// populate content_sets based on module hints
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$content_sets = array();
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foreach ($this->modules as $module_i => $module) {
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foreach ($module->content_sets as $key => $value) {
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if (isset($content_sets[$key])) {
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// add it into the existing content set
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$content_sets[$key] = $content_sets[$key] . ' | ' . $value;
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} else {
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$content_sets[$key] = $value;
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}
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}
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}
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// perform content_set expansions
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foreach ($content_sets as $i => $set) {
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// only performed once, so infinite recursion is not
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// a problem, you'll just have a stray $Set lying around
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// at the end
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$content_sets[$i] =
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str_replace(
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array_keys($content_sets),
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array_values($content_sets),
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$set);
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}
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// define convenient variables
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$content_sets_keys = array_keys($content_sets);
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$content_sets_values = array_values($content_sets);
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foreach ($content_sets as $name => $set) {
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$this->content_sets[$name] = $this->convertToLookup($set);
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}
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foreach ($this->modules as $module_i => $module) {
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foreach ($module->info as $name => $def) {
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$def =& $this->modules[$module_i]->info[$name];
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// attribute value expansions
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$this->attr_collection->performInclusions($def->attr);
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$this->attr_collection->expandIdentifiers(
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$def->attr, $this->attr_types);
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// perform content model expansions
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$content_model = $def->content_model;
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if (is_string($content_model)) {
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if (strpos($content_model, 'Inline') !== false) {
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$def->descendants_are_inline = true;
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}
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$def->content_model = str_replace(
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$content_sets_keys, $content_sets_values, $content_model);
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}
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// get child def from content model
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$def->child = $this->getChildDef($def);
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// setup info
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$this->info[$name] = $def;
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if ($this->info_parent == $name) {
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$this->info_parent_def = $this->info[$name];
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}
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}
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}
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$this->setupAttrTransform($config);
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$this->setupBlockWrapper($config);
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$this->setupParent($config);
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}
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function setupAttrTransform($config) {
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$this->info_attr_transform_post[] = new HTMLPurifier_AttrTransform_Lang();
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}
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function setupBlockWrapper($config) {
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$block_wrapper = $config->get('HTML', 'BlockWrapper');
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if (isset($this->content_sets['Block'][$block_wrapper])) {
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$this->info_block_wrapper = $block_wrapper;
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} else {
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trigger_error('Cannot use non-block element as block wrapper.',
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E_USER_ERROR);
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}
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}
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function setupParent($config) {
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$parent = $config->get('HTML', 'Parent');
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if (isset($this->info[$parent])) {
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$this->info_parent = $parent;
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} else {
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trigger_error('Cannot use unrecognized element as parent.',
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E_USER_ERROR);
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}
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$this->info_parent_def = $this->info[$this->info_parent];
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}
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function getChildDef($def) {
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$value = $def->content_model;
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$type = $def->content_model_type;
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switch ($type) {
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case 'required':
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return new HTMLPurifier_ChildDef_Required($value);
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case 'optional':
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return new HTMLPurifier_ChildDef_Optional($value);
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case 'empty':
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return new HTMLPurifier_ChildDef_Empty();
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case 'strictblockquote':
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return new HTMLPurifier_ChildDef_StrictBlockquote($value);
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case 'table':
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return new HTMLPurifier_ChildDef_Table();
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case 'chameleon':
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$value = explode('!', $value);
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return new HTMLPurifier_ChildDef_Chameleon($value[0], $value[1]);
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case 'custom':
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return new HTMLPurifier_ChildDef_Custom($value);
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}
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if ($value) return new HTMLPurifier_ChildDef_Optional($value);
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return new HTMLPurifier_ChildDef_Empty();
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}
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function convertToLookup($string) {
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$array = explode('|', str_replace(' ', '', $string));
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$ret = array();
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foreach ($array as $i => $k) {
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$ret[$k] = true;
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}
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return $ret;
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}
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}
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?>
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