Merge branch 'master' of git.gnu.io:gnu/gnu-social into mmn_fixes

[quix0rs-gnu-social.git] / extlib / HTMLPurifier / HTMLPurifier / PercentEncoder.php

diff --git a/extlib/HTMLPurifier/HTMLPurifier/PercentEncoder.php b/extlib/HTMLPurifier/HTMLPurifier/PercentEncoder.php
index a43c44f4c5861aae5208698b6a2fce093bf31b54..18c8bbb00ad39a6d3cdc791828e837d929ce3473 100644 (file)
--- a/extlib/HTMLPurifier/HTMLPurifier/PercentEncoder.php
+++ b/extlib/HTMLPurifier/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