diff options
Diffstat (limited to '3rdparty/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/Filter.php')
-rw-r--r-- | 3rdparty/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/Filter.php | 131 |
1 files changed, 77 insertions, 54 deletions
diff --git a/3rdparty/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/Filter.php b/3rdparty/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/Filter.php index 4a0fb3319..bde4c3301 100644 --- a/3rdparty/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/Filter.php +++ b/3rdparty/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/Filter.php @@ -1,54 +1,77 @@ -<?php
-
-/**
- * Microsoft's proprietary filter: CSS property
- * @note Currently supports the alpha filter. In the future, this will
- * probably need an extensible framework
- */
-class HTMLPurifier_AttrDef_CSS_Filter extends HTMLPurifier_AttrDef
-{
-
- protected $intValidator;
-
- public function __construct() {
- $this->intValidator = new HTMLPurifier_AttrDef_Integer();
- }
-
- public function validate($value, $config, $context) {
- $value = $this->parseCDATA($value);
- if ($value === 'none') return $value;
- // if we looped this we could support multiple filters
- $function_length = strcspn($value, '(');
- $function = trim(substr($value, 0, $function_length));
- if ($function !== 'alpha' &&
- $function !== 'Alpha' &&
- $function !== 'progid:DXImageTransform.Microsoft.Alpha'
- ) return false;
- $cursor = $function_length + 1;
- $parameters_length = strcspn($value, ')', $cursor);
- $parameters = substr($value, $cursor, $parameters_length);
- $params = explode(',', $parameters);
- $ret_params = array();
- $lookup = array();
- foreach ($params as $param) {
- list($key, $value) = explode('=', $param);
- $key = trim($key);
- $value = trim($value);
- if (isset($lookup[$key])) continue;
- if ($key !== 'opacity') continue;
- $value = $this->intValidator->validate($value, $config, $context);
- if ($value === false) continue;
- $int = (int) $value;
- if ($int > 100) $value = '100';
- if ($int < 0) $value = '0';
- $ret_params[] = "$key=$value";
- $lookup[$key] = true;
- }
- $ret_parameters = implode(',', $ret_params);
- $ret_function = "$function($ret_parameters)";
- return $ret_function;
- }
-
-}
-
-// vim: et sw=4 sts=4
+<?php + +/** + * Microsoft's proprietary filter: CSS property + * @note Currently supports the alpha filter. In the future, this will + * probably need an extensible framework + */ +class HTMLPurifier_AttrDef_CSS_Filter extends HTMLPurifier_AttrDef +{ + /** + * @type HTMLPurifier_AttrDef_Integer + */ + protected $intValidator; + + public function __construct() + { + $this->intValidator = new HTMLPurifier_AttrDef_Integer(); + } + + /** + * @param string $value + * @param HTMLPurifier_Config $config + * @param HTMLPurifier_Context $context + * @return bool|string + */ + public function validate($value, $config, $context) + { + $value = $this->parseCDATA($value); + if ($value === 'none') { + return $value; + } + // if we looped this we could support multiple filters + $function_length = strcspn($value, '('); + $function = trim(substr($value, 0, $function_length)); + if ($function !== 'alpha' && + $function !== 'Alpha' && + $function !== 'progid:DXImageTransform.Microsoft.Alpha' + ) { + return false; + } + $cursor = $function_length + 1; + $parameters_length = strcspn($value, ')', $cursor); + $parameters = substr($value, $cursor, $parameters_length); + $params = explode(',', $parameters); + $ret_params = array(); + $lookup = array(); + foreach ($params as $param) { + list($key, $value) = explode('=', $param); + $key = trim($key); + $value = trim($value); + if (isset($lookup[$key])) { + continue; + } + if ($key !== 'opacity') { + continue; + } + $value = $this->intValidator->validate($value, $config, $context); + if ($value === false) { + continue; + } + $int = (int)$value; + if ($int > 100) { + $value = '100'; + } + if ($int < 0) { + $value = '0'; + } + $ret_params[] = "$key=$value"; + $lookup[$key] = true; + } + $ret_parameters = implode(',', $ret_params); + $ret_function = "$function($ret_parameters)"; + return $ret_function; + } +} + +// vim: et sw=4 sts=4 |