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author | Klaus Weidenbach <Klaus.Weidenbach@gmx.net> | 2017-03-18 17:50:05 +0100 |
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committer | Klaus Weidenbach <Klaus.Weidenbach@gmx.net> | 2017-03-26 00:41:27 +0100 |
commit | f718e2b0db0fe3477212a8dd6c3ec067f4432862 (patch) | |
tree | 8dfbd3b3d4bdcd967b50f1ee4655440bcdef5bb8 /vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrTransform.php | |
parent | 2115eb26a7fd2ca937286bd4e98ab74c7d6e9525 (diff) | |
download | volse-hubzilla-f718e2b0db0fe3477212a8dd6c3ec067f4432862.tar.gz volse-hubzilla-f718e2b0db0fe3477212a8dd6c3ec067f4432862.tar.bz2 volse-hubzilla-f718e2b0db0fe3477212a8dd6c3ec067f4432862.zip |
:arrow_up: Update HTML Purifier library.
Updated HTML Purifier from 4.6.0 to 4.9.2 with better PHP7 compatibility.
Used composer to manage this library.
Diffstat (limited to 'vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrTransform.php')
-rw-r--r-- | vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrTransform.php | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrTransform.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrTransform.php new file mode 100644 index 000000000..b428331f1 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrTransform.php @@ -0,0 +1,60 @@ +<?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. + */ + +abstract class HTMLPurifier_AttrTransform +{ + + /** + * Abstract: makes changes to the attributes dependent on multiple values. + * + * @param array $attr Assoc array of attributes, usually from + * HTMLPurifier_Token_Tag::$attr + * @param HTMLPurifier_Config $config Mandatory HTMLPurifier_Config object. + * @param HTMLPurifier_Context $context Mandatory HTMLPurifier_Context object + * @return array Processed attribute array. + */ + abstract public function transform($attr, $config, $context); + + /** + * Prepends CSS properties to the style attribute, creating the + * attribute if it doesn't exist. + * @param array &$attr Attribute array to process (passed by reference) + * @param string $css CSS to prepend + */ + public function prependCSS(&$attr, $css) + { + $attr['style'] = isset($attr['style']) ? $attr['style'] : ''; + $attr['style'] = $css . $attr['style']; + } + + /** + * Retrieves and removes an attribute + * @param array &$attr Attribute array to process (passed by reference) + * @param mixed $key Key of attribute to confiscate + * @return mixed + */ + public function confiscateAttr(&$attr, $key) + { + if (!isset($attr[$key])) { + return null; + } + $value = $attr[$key]; + unset($attr[$key]); + return $value; + } +} + +// vim: et sw=4 sts=4 |