1 #define EMBEDDED_IN_1_0
4 // System.Net.HttpUtility
7 // Gonzalo Paniagua Javier (gonzalo@novell.com)
9 // Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
11 // Permission is hereby granted, free of charge, to any person obtaining
12 // a copy of this software and associated documentation files (the
13 // "Software"), to deal in the Software without restriction, including
14 // without limitation the rights to use, copy, modify, merge, publish,
15 // distribute, sublicense, and/or sell copies of the Software, and to
16 // permit persons to whom the Software is furnished to do so, subject to
17 // the following conditions:
19 // The above copyright notice and this permission notice shall be
20 // included in all copies or substantial portions of the Software.
22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
31 using System.Globalization;
34 using System; using System.Net; namespace MonoHttp {
35 sealed class HttpUtility
37 private HttpUtility ()
41 public static string UrlDecode (string s)
43 return UrlDecode (s, null);
46 static char [] GetChars (MemoryStream b, Encoding e)
48 return e.GetChars (b.GetBuffer (), 0, (int) b.Length);
51 public static string UrlDecode (string s, Encoding e)
56 if (s.IndexOf ('%') == -1 && s.IndexOf ('+') == -1)
60 e = Encoding.GetEncoding (28591);
62 StringBuilder output = new StringBuilder ();
64 NumberStyles hexa = NumberStyles.HexNumber;
65 MemoryStream bytes = new MemoryStream ();
67 for (int i = 0; i < len; i++) {
68 if (s [i] == '%' && i + 2 < len) {
69 if (s [i + 1] == 'u' && i + 5 < len) {
70 if (bytes.Length > 0) {
71 output.Append (GetChars (bytes, e));
74 output.Append ((char) Int32.Parse (s.Substring (i + 2, 4), hexa));
77 bytes.WriteByte ((byte) Int32.Parse (s.Substring (i + 1, 2), hexa));
83 if (bytes.Length > 0) {
84 output.Append (GetChars (bytes, e));
91 output.Append (s [i]);
95 if (bytes.Length > 0) {
96 output.Append (GetChars (bytes, e));
100 return output.ToString ();