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[1.6.1] Refactor AttrTransform to reduce duplication.

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git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1016 48356398-32a2-884e-a903-53898d9a118a
This commit is contained in:
Edward Z. Yang
2007-05-05 02:25:55 +00:00
parent bbea02f55c
commit 0426985c81
11 changed files with 84 additions and 47 deletions
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24
library/HTMLPurifier/AttrTransform.php
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@@ -29,6 +29,30 @@ class HTMLPurifier_AttrTransform
function transform($attr, $config, &$context) {
trigger_error('Cannot call abstract function', E_USER_ERROR);
}
/**
* Prepends CSS properties to the style attribute, creating the
* attribute if it doesn't exist.
* @param $attr Attribute array to process (passed by reference)
* @param $css CSS to prepend
*/
function prependCSS(&$attr, $css) {
$attr['style'] = isset($attr['style']) ? $attr['style'] : '';
$attr['style'] = $css . $attr['style'];
}
/**
* Retrieves and removes an attribute
* @param $attr Attribute array to process (passed by reference)
* @param $key Key of attribute to confiscate
*/
function confiscateAttr(&$attr, $key) {
if (!isset($attr[$key])) return null;
$value = $attr[$key];
unset($attr[$key]);
return $value;
}
}
?>