diff options
Diffstat (limited to 'vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/ListStyle.php')
-rw-r--r-- | vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/ListStyle.php | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/ListStyle.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/ListStyle.php new file mode 100644 index 000000000..e74d42654 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/ListStyle.php @@ -0,0 +1,112 @@ +<?php + +/** + * Validates shorthand CSS property list-style. + * @warning Does not support url tokens that have internal spaces. + */ +class HTMLPurifier_AttrDef_CSS_ListStyle extends HTMLPurifier_AttrDef +{ + + /** + * Local copy of validators. + * @type HTMLPurifier_AttrDef[] + * @note See HTMLPurifier_AttrDef_CSS_Font::$info for a similar impl. + */ + protected $info; + + /** + * @param HTMLPurifier_Config $config + */ + public function __construct($config) + { + $def = $config->getCSSDefinition(); + $this->info['list-style-type'] = $def->info['list-style-type']; + $this->info['list-style-position'] = $def->info['list-style-position']; + $this->info['list-style-image'] = $def->info['list-style-image']; + } + + /** + * @param string $string + * @param HTMLPurifier_Config $config + * @param HTMLPurifier_Context $context + * @return bool|string + */ + public function validate($string, $config, $context) + { + // regular pre-processing + $string = $this->parseCDATA($string); + if ($string === '') { + return false; + } + + // assumes URI doesn't have spaces in it + $bits = explode(' ', strtolower($string)); // bits to process + + $caught = array(); + $caught['type'] = false; + $caught['position'] = false; + $caught['image'] = false; + + $i = 0; // number of catches + $none = false; + + foreach ($bits as $bit) { + if ($i >= 3) { + return; + } // optimization bit + if ($bit === '') { + continue; + } + foreach ($caught as $key => $status) { + if ($status !== false) { + continue; + } + $r = $this->info['list-style-' . $key]->validate($bit, $config, $context); + if ($r === false) { + continue; + } + if ($r === 'none') { + if ($none) { + continue; + } else { + $none = true; + } + if ($key == 'image') { + continue; + } + } + $caught[$key] = $r; + $i++; + break; + } + } + + if (!$i) { + return false; + } + + $ret = array(); + + // construct type + if ($caught['type']) { + $ret[] = $caught['type']; + } + + // construct image + if ($caught['image']) { + $ret[] = $caught['image']; + } + + // construct position + if ($caught['position']) { + $ret[] = $caught['position']; + } + + if (empty($ret)) { + return false; + } + return implode(' ', $ret); + } +} + +// vim: et sw=4 sts=4 |