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htmlpurifier/library/HTMLPurifier/AttrTransform.php
Edward Z. Yang b9caa35bf4 [1.2.0]
- Add missing reference operator to AttrTransform.php
- Add note on error collection for EntityParser.php
- Add note that IDAccumulator won't collect errors either.

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@498 48356398-32a2-884e-a903-53898d9a118a
2006-10-22 16:09:36 +00:00

34 lines
1.1 KiB
PHP

<?php
/**
* Processes an entire attribute array for corrections needing multiple values.
*
* Occasionally, a certain attribute will need to be removed and popped onto
* another value. Instead of creating a complex return syntax for
* HTMLPurifier_AttrDef, we just pass the whole attribute array to a
* specialized object and have that do the special work. That is the
* family of HTMLPurifier_AttrTransform.
*
* An attribute transformation can be assigned to run before or after
* HTMLPurifier_AttrDef validation. See HTMLPurifier_HTMLDefinition for
* more details.
*/
class HTMLPurifier_AttrTransform
{
/**
* Abstract: makes changes to the attributes dependent on multiple values.
*
* @param $attr Assoc array of attributes, usually from
* HTMLPurifier_Token_Tag::$attributes
* @param $config Mandatory HTMLPurifier_Config object.
* @param $context Mandatory HTMLPurifier_Context object
* @returns Processed attribute array.
*/
function transform($attr, $config, &$context) {
trigger_error('Cannot call abstract function', E_USER_ERROR);
}
}
?>