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Diffstat (limited to 'vendor/ezyang/htmlpurifier/library/HTMLPurifier/Filter.php')
-rw-r--r-- | vendor/ezyang/htmlpurifier/library/HTMLPurifier/Filter.php | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Filter.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Filter.php new file mode 100644 index 000000000..c1f41ee16 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Filter.php @@ -0,0 +1,56 @@ +<?php + +/** + * Represents a pre or post processing filter on HTML Purifier's output + * + * Sometimes, a little ad-hoc fixing of HTML has to be done before + * it gets sent through HTML Purifier: you can use filters to acheive + * this effect. For instance, YouTube videos can be preserved using + * this manner. You could have used a decorator for this task, but + * PHP's support for them is not terribly robust, so we're going + * to just loop through the filters. + * + * Filters should be exited first in, last out. If there are three filters, + * named 1, 2 and 3, the order of execution should go 1->preFilter, + * 2->preFilter, 3->preFilter, purify, 3->postFilter, 2->postFilter, + * 1->postFilter. + * + * @note Methods are not declared abstract as it is perfectly legitimate + * for an implementation not to want anything to happen on a step + */ + +class HTMLPurifier_Filter +{ + + /** + * Name of the filter for identification purposes. + * @type string + */ + public $name; + + /** + * Pre-processor function, handles HTML before HTML Purifier + * @param string $html + * @param HTMLPurifier_Config $config + * @param HTMLPurifier_Context $context + * @return string + */ + public function preFilter($html, $config, $context) + { + return $html; + } + + /** + * Post-processor function, handles HTML after HTML Purifier + * @param string $html + * @param HTMLPurifier_Config $config + * @param HTMLPurifier_Context $context + * @return string + */ + public function postFilter($html, $config, $context) + { + return $html; + } +} + +// vim: et sw=4 sts=4 |