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Release 2.0.0, merged in 1026 to HEAD.

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git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/branches/strict@1179 48356398-32a2-884e-a903-53898d9a118a
This commit is contained in:
Edward Z. Yang
2007-06-21 00:36:12 +00:00
parent c35eb3e95f
commit 0101311193
172 changed files with 7713 additions and 2520 deletions
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89
library/HTMLPurifier/ElementDef.php
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@@ -51,6 +51,8 @@ class HTMLPurifier_ElementDef
* Abstract string representation of internal ChildDef rules. See
* HTMLPurifier_ContentSets for how this is parsed and then transformed
* into an HTMLPurifier_ChildDef.
* @warning This is a temporary variable that is not available after
* being processed by HTMLDefinition
* @public
*/
var $content_model;
@@ -58,6 +60,9 @@ class HTMLPurifier_ElementDef
/**
* Value of $child->type, used to determine which ChildDef to use,
* used in combination with $content_model.
* @warning This must be lowercase
* @warning This is a temporary variable that is not available after
* being processed by HTMLDefinition
* @public
*/
var $content_model_type;
@@ -78,14 +83,47 @@ class HTMLPurifier_ElementDef
* have to worry about this one.
* @public
*/
var $descendants_are_inline;
var $descendants_are_inline = false;
/**
* List of the names of required attributes this element has. Dynamically
* populated.
* @public
*/
var $required_attr = array();
/**
* Lookup table of tags excluded from all descendants of this tag.
* @note SGML permits exclusions for all descendants, but this is
* not possible with DTDs or XML Schemas. W3C has elected to
* use complicated compositions of content_models to simulate
* exclusion for children, but we go the simpler, SGML-style
* route of flat-out exclusions, which correctly apply to
* all descendants and not just children. Note that the XHTML
* Modularization Abstract Modules are blithely unaware of such
* distinctions.
* @public
*/
var $excludes = array();
/**
* Is this element safe for untrusted users to use?
*/
var $safe;
/**
* Low-level factory constructor for creating new standalone element defs
* @static
*/
static function create($safe, $content_model, $content_model_type, $attr) {
$def = new HTMLPurifier_ElementDef();
$def->safe = (bool) $safe;
$def->content_model = $content_model;
$def->content_model_type = $content_model_type;
$def->attr = $attr;
return $def;
}
/**
* Merges the values of another element definition into this one.
* Values from the new element def take precedence if a value is
@@ -99,24 +137,57 @@ class HTMLPurifier_ElementDef
// merge in the includes
// sorry, no way to override an include
foreach ($v as $v2) {
$def->attr[0][] = $v2;
$this->attr[0][] = $v2;
}
continue;
}
if ($v === false) {
if (isset($this->attr[$k])) unset($this->attr[$k]);
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;
$this->_mergeAssocArray($this->attr_transform_pre, $def->attr_transform_pre);
$this->_mergeAssocArray($this->attr_transform_post, $def->attr_transform_post);
$this->_mergeAssocArray($this->auto_close, $def->auto_close);
$this->_mergeAssocArray($this->excludes, $def->excludes);
if(!empty($def->content_model)) {
$this->content_model .= ' | ' . $def->content_model;
$this->child = false;
}
if(!empty($def->content_model_type)) {
$this->content_model_type = $def->content_model_type;
$this->child = false;
}
if(!is_null($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 = $def->descendants_are_inline;
if($def->descendants_are_inline) $this->descendants_are_inline = $def->descendants_are_inline;
if(!is_null($def->safe)) $this->safe = $def->safe;
}
/**
* Merges one array into another, removes values which equal false
* @param $a1 Array by reference that is merged into
* @param $a2 Array that merges into $a1
*/
function _mergeAssocArray(&$a1, $a2) {
foreach ($a2 as $k => $v) {
if ($v === false) {
if (isset($a1[$k])) unset($a1[$k]);
continue;
}
$a1[$k] = $v;
}
}
/**
* Retrieves a copy of the element definition
*/
function copy() {
return unserialize(serialize($this));
}
}
?>