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d886ed59fd
git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@600 48356398-32a2-884e-a903-53898d9a118a
34 lines
1.1 KiB
PHP
34 lines
1.1 KiB
PHP
<?php
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/**
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* Processes an entire attribute array for corrections needing multiple values.
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*
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* Occasionally, a certain attribute will need to be removed and popped onto
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* another value. Instead of creating a complex return syntax for
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* HTMLPurifier_AttrDef, we just pass the whole attribute array to a
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* specialized object and have that do the special work. That is the
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* family of HTMLPurifier_AttrTransform.
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*
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* An attribute transformation can be assigned to run before or after
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* HTMLPurifier_AttrDef validation. See HTMLPurifier_HTMLDefinition for
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* more details.
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*/
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class HTMLPurifier_AttrTransform
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{
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/**
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* Abstract: makes changes to the attributes dependent on multiple values.
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*
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* @param $attr Assoc array of attributes, usually from
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* HTMLPurifier_Token_Tag::$attr
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* @param $config Mandatory HTMLPurifier_Config object.
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* @param $context Mandatory HTMLPurifier_Context object
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* @returns Processed attribute array.
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*/
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function transform($attr, $config, &$context) {
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trigger_error('Cannot call abstract function', E_USER_ERROR);
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}
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}
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?>
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