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6c08ca4c16
- Make our modified class_exists() check to work in both PHP 4 and 5 (todo: we need some unit tests for ElementDef) git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1023 48356398-32a2-884e-a903-53898d9a118a
123 lines
3.8 KiB
PHP
123 lines
3.8 KiB
PHP
<?php
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/**
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* Structure that stores an HTML element definition. Used by
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* HTMLPurifier_HTMLDefinition and HTMLPurifier_HTMLModule.
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*/
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class HTMLPurifier_ElementDef
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{
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/**
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* Does the definition work by itself, or is it created solely
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* for the purpose of merging into another definition?
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*/
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var $standalone = true;
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/**
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* Associative array of attribute name to HTMLPurifier_AttrDef
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* @note Before being processed by HTMLPurifier_AttrCollections
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* when modules are finalized during
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* HTMLPurifier_HTMLDefinition->setup(), this array may also
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* contain an array at index 0 that indicates which attribute
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* collections to load into the full array. It may also
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* contain string indentifiers in lieu of HTMLPurifier_AttrDef,
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* see HTMLPurifier_AttrTypes on how they are expanded during
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* HTMLPurifier_HTMLDefinition->setup() processing.
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* @public
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*/
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var $attr = array();
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/**
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* Indexed list of tag's HTMLPurifier_AttrTransform to be done before validation
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* @public
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*/
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var $attr_transform_pre = array();
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/**
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* Indexed list of tag's HTMLPurifier_AttrTransform to be done after validation
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* @public
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*/
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var $attr_transform_post = array();
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/**
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* HTMLPurifier_ChildDef of this tag.
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* @public
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*/
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var $child;
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/**
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* Abstract string representation of internal ChildDef rules. See
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* HTMLPurifier_ContentSets for how this is parsed and then transformed
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* into an HTMLPurifier_ChildDef.
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* @public
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*/
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var $content_model;
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/**
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* Value of $child->type, used to determine which ChildDef to use,
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* used in combination with $content_model.
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* @public
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*/
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var $content_model_type;
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/**
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* Lookup table of tags that close this tag. Used during parsing
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* to make sure we don't attempt to nest unclosed tags.
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* @public
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*/
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var $auto_close = array();
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/**
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* Does the element have a content model (#PCDATA | Inline)*? This
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* is important for chameleon ins and del processing in
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* HTMLPurifier_ChildDef_Chameleon. Dynamically set: modules don't
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* have to worry about this one.
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* @public
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*/
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var $descendants_are_inline;
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/**
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* Lookup table of tags excluded from all descendants of this tag.
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* @public
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*/
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var $excludes = array();
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/**
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* Merges the values of another element definition into this one.
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* Values from the new element def take precedence if a value is
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* not mergeable.
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*/
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function mergeIn($def) {
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// later keys takes precedence
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foreach($def->attr as $k => $v) {
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if ($k === 0) {
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// merge in the includes
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// sorry, no way to override an include
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foreach ($v as $v2) {
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$def->attr[0][] = $v2;
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}
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continue;
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}
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$this->attr[$k] = $v;
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}
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foreach($def->attr_transform_pre as $k => $v) $this->attr_transform_pre[$k] = $v;
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foreach($def->attr_transform_post as $k => $v) $this->attr_transform_post[$k] = $v;
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foreach($def->auto_close as $k => $v) $this->auto_close[$k] = $v;
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foreach($def->excludes as $k => $v) $this->excludes[$k] = $v;
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if(!is_null($def->child)) $this->child = $def->child;
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if(!empty($def->content_model)) $this->content_model .= ' | ' . $def->content_model;
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if(!empty($def->content_model_type)) $this->content_model_type = $def->content_model_type;
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if(!is_null($def->descendants_are_inline)) $this->descendants_are_inline = $def->descendants_are_inline;
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}
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}
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?>
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