diff options
Diffstat (limited to 'library/HTMLPurifier/PercentEncoder.php')
| -rw-r--r-- | library/HTMLPurifier/PercentEncoder.php | 37 |
1 files changed, 25 insertions, 12 deletions
diff --git a/library/HTMLPurifier/PercentEncoder.php b/library/HTMLPurifier/PercentEncoder.php index a43c44f4c..18c8bbb00 100644 --- a/library/HTMLPurifier/PercentEncoder.php +++ b/library/HTMLPurifier/PercentEncoder.php @@ -13,17 +13,26 @@ class HTMLPurifier_PercentEncoder /** * Reserved characters to preserve when using encode(). + * @type array */ protected $preserve = array(); /** * String of characters that should be preserved while using encode(). + * @param bool $preserve */ - public function __construct($preserve = false) { + public function __construct($preserve = false) + { // unreserved letters, ought to const-ify - for ($i = 48; $i <= 57; $i++) $this->preserve[$i] = true; // digits - for ($i = 65; $i <= 90; $i++) $this->preserve[$i] = true; // upper-case - for ($i = 97; $i <= 122; $i++) $this->preserve[$i] = true; // lower-case + for ($i = 48; $i <= 57; $i++) { // digits + $this->preserve[$i] = true; + } + for ($i = 65; $i <= 90; $i++) { // upper-case + $this->preserve[$i] = true; + } + for ($i = 97; $i <= 122; $i++) { // lower-case + $this->preserve[$i] = true; + } $this->preserve[45] = true; // Dash - $this->preserve[46] = true; // Period . $this->preserve[95] = true; // Underscore _ @@ -44,13 +53,14 @@ class HTMLPurifier_PercentEncoder * Assumes that the string has already been normalized, making any * and all percent escape sequences valid. Percents will not be * re-escaped, regardless of their status in $preserve - * @param $string String to be encoded - * @return Encoded string. + * @param string $string String to be encoded + * @return string Encoded string. */ - public function encode($string) { + public function encode($string) + { $ret = ''; for ($i = 0, $c = strlen($string); $i < $c; $i++) { - if ($string[$i] !== '%' && !isset($this->preserve[$int = ord($string[$i])]) ) { + if ($string[$i] !== '%' && !isset($this->preserve[$int = ord($string[$i])])) { $ret .= '%' . sprintf('%02X', $int); } else { $ret .= $string[$i]; @@ -64,10 +74,14 @@ class HTMLPurifier_PercentEncoder * @warning This function is affected by $preserve, even though the * usual desired behavior is for this not to preserve those * characters. Be careful when reusing instances of PercentEncoder! - * @param $string String to normalize + * @param string $string String to normalize + * @return string */ - public function normalize($string) { - if ($string == '') return ''; + public function normalize($string) + { + if ($string == '') { + return ''; + } $parts = explode('%', $string); $ret = array_shift($parts); foreach ($parts as $part) { @@ -92,7 +106,6 @@ class HTMLPurifier_PercentEncoder } return $ret; } - } // vim: et sw=4 sts=4 |