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-rw-r--r--lib/htmlpurifier/library/HTMLPurifier/PercentEncoder.php98
1 files changed, 0 insertions, 98 deletions
diff --git a/lib/htmlpurifier/library/HTMLPurifier/PercentEncoder.php b/lib/htmlpurifier/library/HTMLPurifier/PercentEncoder.php
deleted file mode 100644
index a43c44f4c..000000000
--- a/lib/htmlpurifier/library/HTMLPurifier/PercentEncoder.php
+++ /dev/null
@@ -1,98 +0,0 @@
-<?php
-
-/**
- * Class that handles operations involving percent-encoding in URIs.
- *
- * @warning
- * Be careful when reusing instances of PercentEncoder. The object
- * you use for normalize() SHOULD NOT be used for encode(), or
- * vice-versa.
- */
-class HTMLPurifier_PercentEncoder
-{
-
- /**
- * Reserved characters to preserve when using encode().
- */
- protected $preserve = array();
-
- /**
- * String of characters that should be preserved while using encode().
- */
- public function __construct($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
- $this->preserve[45] = true; // Dash -
- $this->preserve[46] = true; // Period .
- $this->preserve[95] = true; // Underscore _
- $this->preserve[126]= true; // Tilde ~
-
- // extra letters not to escape
- if ($preserve !== false) {
- for ($i = 0, $c = strlen($preserve); $i < $c; $i++) {
- $this->preserve[ord($preserve[$i])] = true;
- }
- }
- }
-
- /**
- * Our replacement for urlencode, it encodes all non-reserved characters,
- * as well as any extra characters that were instructed to be preserved.
- * @note
- * 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 $string String to be encoded
- * @return Encoded string.
- */
- public function encode($string) {
- $ret = '';
- for ($i = 0, $c = strlen($string); $i < $c; $i++) {
- if ($string[$i] !== '%' && !isset($this->preserve[$int = ord($string[$i])]) ) {
- $ret .= '%' . sprintf('%02X', $int);
- } else {
- $ret .= $string[$i];
- }
- }
- return $ret;
- }
-
- /**
- * Fix up percent-encoding by decoding unreserved characters and normalizing.
- * @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 $string String to normalize
- */
- public function normalize($string) {
- if ($string == '') return '';
- $parts = explode('%', $string);
- $ret = array_shift($parts);
- foreach ($parts as $part) {
- $length = strlen($part);
- if ($length < 2) {
- $ret .= '%25' . $part;
- continue;
- }
- $encoding = substr($part, 0, 2);
- $text = substr($part, 2);
- if (!ctype_xdigit($encoding)) {
- $ret .= '%25' . $part;
- continue;
- }
- $int = hexdec($encoding);
- if (isset($this->preserve[$int])) {
- $ret .= chr($int) . $text;
- continue;
- }
- $encoding = strtoupper($encoding);
- $ret .= '%' . $encoding . $text;
- }
- return $ret;
- }
-
-}
-
-// vim: et sw=4 sts=4