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htmlpurifier/library/HTMLPurifier/ChildDef/Chameleon.php
Edward Z. Yang 77d9e05a07 [1.5.0] Massive refactoring for Blockquote and Chameleon to be more extensible and accommodating of XHTMLDefinition.
- Fixed buggy chameleon-support for ins and del
. Removed context variable ParentType, replaced with IsInline, which
  is false when you're not inline and an integer of the parent that
  caused you to become inline when you are (so possibly zero)
. Removed ElementDef->type in favor of ElementDef->descendants_are_inline
  and HTMLDefinition->content_sets
. StrictBlockquote now reports what elements its supposed to allow,
  rather than what it does allow
. Removed HTMLDefinition->info_flow_elements in favor of
  HTMLDefinition->content_sets['Flow']
. Removed redundant "exclusionary" definitions from DTD roster
. StrictBlockquote now requires a construction parameter as if it
  were an Required ChildDef, this is the "real" set of allowed elements

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@710 48356398-32a2-884e-a903-53898d9a118a
2007-02-04 03:53:57 +00:00

51 lines
1.5 KiB
PHP

<?php
require_once 'HTMLPurifier/ChildDef.php';
/**
* Definition that uses different definitions depending on context.
*
* The del and ins tags are notable because they allow different types of
* elements depending on whether or not they're in a block or inline context.
* Chameleon allows this behavior to happen by using two different
* definitions depending on context. While this somewhat generalized,
* it is specifically intended for those two tags.
*/
class HTMLPurifier_ChildDef_Chameleon extends HTMLPurifier_ChildDef
{
/**
* Instance of the definition object to use when inline. Usually stricter.
* @public
*/
var $inline;
/**
* Instance of the definition object to use when block.
* @public
*/
var $block;
var $type = 'chameleon';
/**
* @param $inline List of elements to allow when inline.
* @param $block List of elements to allow when block.
*/
function HTMLPurifier_ChildDef_Chameleon($inline, $block) {
$this->inline = new HTMLPurifier_ChildDef_Optional($inline);
$this->block = new HTMLPurifier_ChildDef_Optional($block);
}
function validateChildren($tokens_of_children, $config, &$context) {
if ($context->get('IsInline') === false) {
return $this->block->validateChildren(
$tokens_of_children, $config, $context);
} else {
return $this->inline->validateChildren(
$tokens_of_children, $config, $context);
}
}
}
?>