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htmlpurifier/library/HTMLPurifier/ElementDef.php
Edward Z. Yang 71e4ddd222 [1.5.0] Implement Legacy module.
- Yet another test EnableAttrID
- ElementDef now is mindful of attr inclusion merges

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@732 48356398-32a2-884e-a903-53898d9a118a
2007-02-11 01:52:56 +00:00

122 lines
3.7 KiB
PHP

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