+//
+// Copied from System.Web.HttpUtility and marked internal
//
-// System.Net.HttpUtility
-//
-// Author:
-// Gonzalo Paniagua Javier (gonzalo@novell.com)
+// Authors:
+// Patrik Torstensson (Patrik.Torstensson@labs2.com)
+// Wictor Wilén (decode/encode functions) (wictor@ibizkit.se)
+// Tim Coleman (tim@timcoleman.com)
+// Gonzalo Paniagua Javier (gonzalo@ximian.com)
+// Marek Safar (marek.safar@gmail.com)
//
-// Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
+// Copyright (C) 2005-2009 Novell, Inc (http://www.novell.com)
+// Copyright (C) 2014 Xamarin Inc (http://www.xamarin.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
-#if NET_2_0
+
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.Specialized;
using System.Globalization;
using System.IO;
+using System.Security.Permissions;
using System.Text;
+
namespace System.Net {
- sealed class HttpUtility
+
+ static class HttpUtility
{
- private HttpUtility ()
+ sealed class HttpQSCollection : NameValueCollection
{
+ public override string ToString ()
+ {
+ int count = Count;
+ if (count == 0)
+ return "";
+ StringBuilder sb = new StringBuilder ();
+ string [] keys = AllKeys;
+ for (int i = 0; i < count; i++) {
+ sb.AppendFormat ("{0}={1}&", keys [i], this [keys [i]]);
+ }
+ if (sb.Length > 0)
+ sb.Length--;
+ return sb.ToString ();
+ }
}
- public static string UrlDecode (string s)
+ // Must be sorted
+ static readonly long[] entities = new long[] {
+ (long)'A' << 56 | (long)'E' << 48 | (long)'l' << 40 | (long)'i' << 32 | (long)'g' << 24,
+ (long)'A' << 56 | (long)'a' << 48 | (long)'c' << 40 | (long)'u' << 32 | (long)'t' << 24 | (long)'e' << 16,
+ (long)'A' << 56 | (long)'c' << 48 | (long)'i' << 40 | (long)'r' << 32 | (long)'c' << 24,
+ (long)'A' << 56 | (long)'g' << 48 | (long)'r' << 40 | (long)'a' << 32 | (long)'v' << 24 | (long)'e' << 16,
+ (long)'A' << 56 | (long)'l' << 48 | (long)'p' << 40 | (long)'h' << 32 | (long)'a' << 24,
+ (long)'A' << 56 | (long)'r' << 48 | (long)'i' << 40 | (long)'n' << 32 | (long)'g' << 24,
+ (long)'A' << 56 | (long)'t' << 48 | (long)'i' << 40 | (long)'l' << 32 | (long)'d' << 24 | (long)'e' << 16,
+ (long)'A' << 56 | (long)'u' << 48 | (long)'m' << 40 | (long)'l' << 32,
+ (long)'B' << 56 | (long)'e' << 48 | (long)'t' << 40 | (long)'a' << 32,
+ (long)'C' << 56 | (long)'c' << 48 | (long)'e' << 40 | (long)'d' << 32 | (long)'i' << 24 | (long)'l' << 16,
+ (long)'C' << 56 | (long)'h' << 48 | (long)'i' << 40,
+ (long)'D' << 56 | (long)'a' << 48 | (long)'g' << 40 | (long)'g' << 32 | (long)'e' << 24 | (long)'r' << 16,
+ (long)'D' << 56 | (long)'e' << 48 | (long)'l' << 40 | (long)'t' << 32 | (long)'a' << 24,
+ (long)'E' << 56 | (long)'T' << 48 | (long)'H' << 40,
+ (long)'E' << 56 | (long)'a' << 48 | (long)'c' << 40 | (long)'u' << 32 | (long)'t' << 24 | (long)'e' << 16,
+ (long)'E' << 56 | (long)'c' << 48 | (long)'i' << 40 | (long)'r' << 32 | (long)'c' << 24,
+ (long)'E' << 56 | (long)'g' << 48 | (long)'r' << 40 | (long)'a' << 32 | (long)'v' << 24 | (long)'e' << 16,
+ (long)'E' << 56 | (long)'p' << 48 | (long)'s' << 40 | (long)'i' << 32 | (long)'l' << 24 | (long)'o' << 16 | (long)'n' << 8,
+ (long)'E' << 56 | (long)'t' << 48 | (long)'a' << 40,
+ (long)'E' << 56 | (long)'u' << 48 | (long)'m' << 40 | (long)'l' << 32,
+ (long)'G' << 56 | (long)'a' << 48 | (long)'m' << 40 | (long)'m' << 32 | (long)'a' << 24,
+ (long)'I' << 56 | (long)'a' << 48 | (long)'c' << 40 | (long)'u' << 32 | (long)'t' << 24 | (long)'e' << 16,
+ (long)'I' << 56 | (long)'c' << 48 | (long)'i' << 40 | (long)'r' << 32 | (long)'c' << 24,
+ (long)'I' << 56 | (long)'g' << 48 | (long)'r' << 40 | (long)'a' << 32 | (long)'v' << 24 | (long)'e' << 16,
+ (long)'I' << 56 | (long)'o' << 48 | (long)'t' << 40 | (long)'a' << 32,
+ (long)'I' << 56 | (long)'u' << 48 | (long)'m' << 40 | (long)'l' << 32,
+ (long)'K' << 56 | (long)'a' << 48 | (long)'p' << 40 | (long)'p' << 32 | (long)'a' << 24,
+ (long)'L' << 56 | (long)'a' << 48 | (long)'m' << 40 | (long)'b' << 32 | (long)'d' << 24 | (long)'a' << 16,
+ (long)'M' << 56 | (long)'u' << 48,
+ (long)'N' << 56 | (long)'t' << 48 | (long)'i' << 40 | (long)'l' << 32 | (long)'d' << 24 | (long)'e' << 16,
+ (long)'N' << 56 | (long)'u' << 48,
+ (long)'O' << 56 | (long)'E' << 48 | (long)'l' << 40 | (long)'i' << 32 | (long)'g' << 24,
+ (long)'O' << 56 | (long)'a' << 48 | (long)'c' << 40 | (long)'u' << 32 | (long)'t' << 24 | (long)'e' << 16,
+ (long)'O' << 56 | (long)'c' << 48 | (long)'i' << 40 | (long)'r' << 32 | (long)'c' << 24,
+ (long)'O' << 56 | (long)'g' << 48 | (long)'r' << 40 | (long)'a' << 32 | (long)'v' << 24 | (long)'e' << 16,
+ (long)'O' << 56 | (long)'m' << 48 | (long)'e' << 40 | (long)'g' << 32 | (long)'a' << 24,
+ (long)'O' << 56 | (long)'m' << 48 | (long)'i' << 40 | (long)'c' << 32 | (long)'r' << 24 | (long)'o' << 16 | (long)'n' << 8,
+ (long)'O' << 56 | (long)'s' << 48 | (long)'l' << 40 | (long)'a' << 32 | (long)'s' << 24 | (long)'h' << 16,
+ (long)'O' << 56 | (long)'t' << 48 | (long)'i' << 40 | (long)'l' << 32 | (long)'d' << 24 | (long)'e' << 16,
+ (long)'O' << 56 | (long)'u' << 48 | (long)'m' << 40 | (long)'l' << 32,
+ (long)'P' << 56 | (long)'h' << 48 | (long)'i' << 40,
+ (long)'P' << 56 | (long)'i' << 48,
+ (long)'P' << 56 | (long)'r' << 48 | (long)'i' << 40 | (long)'m' << 32 | (long)'e' << 24,
+ (long)'P' << 56 | (long)'s' << 48 | (long)'i' << 40,
+ (long)'R' << 56 | (long)'h' << 48 | (long)'o' << 40,
+ (long)'S' << 56 | (long)'c' << 48 | (long)'a' << 40 | (long)'r' << 32 | (long)'o' << 24 | (long)'n' << 16,
+ (long)'S' << 56 | (long)'i' << 48 | (long)'g' << 40 | (long)'m' << 32 | (long)'a' << 24,
+ (long)'T' << 56 | (long)'H' << 48 | (long)'O' << 40 | (long)'R' << 32 | (long)'N' << 24,
+ (long)'T' << 56 | (long)'a' << 48 | (long)'u' << 40,
+ (long)'T' << 56 | (long)'h' << 48 | (long)'e' << 40 | (long)'t' << 32 | (long)'a' << 24,
+ (long)'U' << 56 | (long)'a' << 48 | (long)'c' << 40 | (long)'u' << 32 | (long)'t' << 24 | (long)'e' << 16,
+ (long)'U' << 56 | (long)'c' << 48 | (long)'i' << 40 | (long)'r' << 32 | (long)'c' << 24,
+ (long)'U' << 56 | (long)'g' << 48 | (long)'r' << 40 | (long)'a' << 32 | (long)'v' << 24 | (long)'e' << 16,
+ (long)'U' << 56 | (long)'p' << 48 | (long)'s' << 40 | (long)'i' << 32 | (long)'l' << 24 | (long)'o' << 16 | (long)'n' << 8,
+ (long)'U' << 56 | (long)'u' << 48 | (long)'m' << 40 | (long)'l' << 32,
+ (long)'X' << 56 | (long)'i' << 48,
+ (long)'Y' << 56 | (long)'a' << 48 | (long)'c' << 40 | (long)'u' << 32 | (long)'t' << 24 | (long)'e' << 16,
+ (long)'Y' << 56 | (long)'u' << 48 | (long)'m' << 40 | (long)'l' << 32,
+ (long)'Z' << 56 | (long)'e' << 48 | (long)'t' << 40 | (long)'a' << 32,
+ (long)'a' << 56 | (long)'a' << 48 | (long)'c' << 40 | (long)'u' << 32 | (long)'t' << 24 | (long)'e' << 16,
+ (long)'a' << 56 | (long)'c' << 48 | (long)'i' << 40 | (long)'r' << 32 | (long)'c' << 24,
+ (long)'a' << 56 | (long)'c' << 48 | (long)'u' << 40 | (long)'t' << 32 | (long)'e' << 24,
+ (long)'a' << 56 | (long)'e' << 48 | (long)'l' << 40 | (long)'i' << 32 | (long)'g' << 24,
+ (long)'a' << 56 | (long)'g' << 48 | (long)'r' << 40 | (long)'a' << 32 | (long)'v' << 24 | (long)'e' << 16,
+ (long)'a' << 56 | (long)'l' << 48 | (long)'e' << 40 | (long)'f' << 32 | (long)'s' << 24 | (long)'y' << 16 | (long)'m' << 8,
+ (long)'a' << 56 | (long)'l' << 48 | (long)'p' << 40 | (long)'h' << 32 | (long)'a' << 24,
+ (long)'a' << 56 | (long)'m' << 48 | (long)'p' << 40,
+ (long)'a' << 56 | (long)'n' << 48 | (long)'d' << 40,
+ (long)'a' << 56 | (long)'n' << 48 | (long)'g' << 40,
+ (long)'a' << 56 | (long)'p' << 48 | (long)'o' << 40 | (long)'s' << 32,
+ (long)'a' << 56 | (long)'r' << 48 | (long)'i' << 40 | (long)'n' << 32 | (long)'g' << 24,
+ (long)'a' << 56 | (long)'s' << 48 | (long)'y' << 40 | (long)'m' << 32 | (long)'p' << 24,
+ (long)'a' << 56 | (long)'t' << 48 | (long)'i' << 40 | (long)'l' << 32 | (long)'d' << 24 | (long)'e' << 16,
+ (long)'a' << 56 | (long)'u' << 48 | (long)'m' << 40 | (long)'l' << 32,
+ (long)'b' << 56 | (long)'d' << 48 | (long)'q' << 40 | (long)'u' << 32 | (long)'o' << 24,
+ (long)'b' << 56 | (long)'e' << 48 | (long)'t' << 40 | (long)'a' << 32,
+ (long)'b' << 56 | (long)'r' << 48 | (long)'v' << 40 | (long)'b' << 32 | (long)'a' << 24 | (long)'r' << 16,
+ (long)'b' << 56 | (long)'u' << 48 | (long)'l' << 40 | (long)'l' << 32,
+ (long)'c' << 56 | (long)'a' << 48 | (long)'p' << 40,
+ (long)'c' << 56 | (long)'c' << 48 | (long)'e' << 40 | (long)'d' << 32 | (long)'i' << 24 | (long)'l' << 16,
+ (long)'c' << 56 | (long)'e' << 48 | (long)'d' << 40 | (long)'i' << 32 | (long)'l' << 24,
+ (long)'c' << 56 | (long)'e' << 48 | (long)'n' << 40 | (long)'t' << 32,
+ (long)'c' << 56 | (long)'h' << 48 | (long)'i' << 40,
+ (long)'c' << 56 | (long)'i' << 48 | (long)'r' << 40 | (long)'c' << 32,
+ (long)'c' << 56 | (long)'l' << 48 | (long)'u' << 40 | (long)'b' << 32 | (long)'s' << 24,
+ (long)'c' << 56 | (long)'o' << 48 | (long)'n' << 40 | (long)'g' << 32,
+ (long)'c' << 56 | (long)'o' << 48 | (long)'p' << 40 | (long)'y' << 32,
+ (long)'c' << 56 | (long)'r' << 48 | (long)'a' << 40 | (long)'r' << 32 | (long)'r' << 24,
+ (long)'c' << 56 | (long)'u' << 48 | (long)'p' << 40,
+ (long)'c' << 56 | (long)'u' << 48 | (long)'r' << 40 | (long)'r' << 32 | (long)'e' << 24 | (long)'n' << 16,
+ (long)'d' << 56 | (long)'A' << 48 | (long)'r' << 40 | (long)'r' << 32,
+ (long)'d' << 56 | (long)'a' << 48 | (long)'g' << 40 | (long)'g' << 32 | (long)'e' << 24 | (long)'r' << 16,
+ (long)'d' << 56 | (long)'a' << 48 | (long)'r' << 40 | (long)'r' << 32,
+ (long)'d' << 56 | (long)'e' << 48 | (long)'g' << 40,
+ (long)'d' << 56 | (long)'e' << 48 | (long)'l' << 40 | (long)'t' << 32 | (long)'a' << 24,
+ (long)'d' << 56 | (long)'i' << 48 | (long)'a' << 40 | (long)'m' << 32 | (long)'s' << 24,
+ (long)'d' << 56 | (long)'i' << 48 | (long)'v' << 40 | (long)'i' << 32 | (long)'d' << 24 | (long)'e' << 16,
+ (long)'e' << 56 | (long)'a' << 48 | (long)'c' << 40 | (long)'u' << 32 | (long)'t' << 24 | (long)'e' << 16,
+ (long)'e' << 56 | (long)'c' << 48 | (long)'i' << 40 | (long)'r' << 32 | (long)'c' << 24,
+ (long)'e' << 56 | (long)'g' << 48 | (long)'r' << 40 | (long)'a' << 32 | (long)'v' << 24 | (long)'e' << 16,
+ (long)'e' << 56 | (long)'m' << 48 | (long)'p' << 40 | (long)'t' << 32 | (long)'y' << 24,
+ (long)'e' << 56 | (long)'m' << 48 | (long)'s' << 40 | (long)'p' << 32,
+ (long)'e' << 56 | (long)'n' << 48 | (long)'s' << 40 | (long)'p' << 32,
+ (long)'e' << 56 | (long)'p' << 48 | (long)'s' << 40 | (long)'i' << 32 | (long)'l' << 24 | (long)'o' << 16 | (long)'n' << 8,
+ (long)'e' << 56 | (long)'q' << 48 | (long)'u' << 40 | (long)'i' << 32 | (long)'v' << 24,
+ (long)'e' << 56 | (long)'t' << 48 | (long)'a' << 40,
+ (long)'e' << 56 | (long)'t' << 48 | (long)'h' << 40,
+ (long)'e' << 56 | (long)'u' << 48 | (long)'m' << 40 | (long)'l' << 32,
+ (long)'e' << 56 | (long)'u' << 48 | (long)'r' << 40 | (long)'o' << 32,
+ (long)'e' << 56 | (long)'x' << 48 | (long)'i' << 40 | (long)'s' << 32 | (long)'t' << 24,
+ (long)'f' << 56 | (long)'n' << 48 | (long)'o' << 40 | (long)'f' << 32,
+ (long)'f' << 56 | (long)'o' << 48 | (long)'r' << 40 | (long)'a' << 32 | (long)'l' << 24 | (long)'l' << 16,
+ (long)'f' << 56 | (long)'r' << 48 | (long)'a' << 40 | (long)'c' << 32 | (long)'1' << 24 | (long)'2' << 16,
+ (long)'f' << 56 | (long)'r' << 48 | (long)'a' << 40 | (long)'c' << 32 | (long)'1' << 24 | (long)'4' << 16,
+ (long)'f' << 56 | (long)'r' << 48 | (long)'a' << 40 | (long)'c' << 32 | (long)'3' << 24 | (long)'4' << 16,
+ (long)'f' << 56 | (long)'r' << 48 | (long)'a' << 40 | (long)'s' << 32 | (long)'l' << 24,
+ (long)'g' << 56 | (long)'a' << 48 | (long)'m' << 40 | (long)'m' << 32 | (long)'a' << 24,
+ (long)'g' << 56 | (long)'e' << 48,
+ (long)'g' << 56 | (long)'t' << 48,
+ (long)'h' << 56 | (long)'A' << 48 | (long)'r' << 40 | (long)'r' << 32,
+ (long)'h' << 56 | (long)'a' << 48 | (long)'r' << 40 | (long)'r' << 32,
+ (long)'h' << 56 | (long)'e' << 48 | (long)'a' << 40 | (long)'r' << 32 | (long)'t' << 24 | (long)'s' << 16,
+ (long)'h' << 56 | (long)'e' << 48 | (long)'l' << 40 | (long)'l' << 32 | (long)'i' << 24 | (long)'p' << 16,
+ (long)'i' << 56 | (long)'a' << 48 | (long)'c' << 40 | (long)'u' << 32 | (long)'t' << 24 | (long)'e' << 16,
+ (long)'i' << 56 | (long)'c' << 48 | (long)'i' << 40 | (long)'r' << 32 | (long)'c' << 24,
+ (long)'i' << 56 | (long)'e' << 48 | (long)'x' << 40 | (long)'c' << 32 | (long)'l' << 24,
+ (long)'i' << 56 | (long)'g' << 48 | (long)'r' << 40 | (long)'a' << 32 | (long)'v' << 24 | (long)'e' << 16,
+ (long)'i' << 56 | (long)'m' << 48 | (long)'a' << 40 | (long)'g' << 32 | (long)'e' << 24,
+ (long)'i' << 56 | (long)'n' << 48 | (long)'f' << 40 | (long)'i' << 32 | (long)'n' << 24,
+ (long)'i' << 56 | (long)'n' << 48 | (long)'t' << 40,
+ (long)'i' << 56 | (long)'o' << 48 | (long)'t' << 40 | (long)'a' << 32,
+ (long)'i' << 56 | (long)'q' << 48 | (long)'u' << 40 | (long)'e' << 32 | (long)'s' << 24 | (long)'t' << 16,
+ (long)'i' << 56 | (long)'s' << 48 | (long)'i' << 40 | (long)'n' << 32,
+ (long)'i' << 56 | (long)'u' << 48 | (long)'m' << 40 | (long)'l' << 32,
+ (long)'k' << 56 | (long)'a' << 48 | (long)'p' << 40 | (long)'p' << 32 | (long)'a' << 24,
+ (long)'l' << 56 | (long)'A' << 48 | (long)'r' << 40 | (long)'r' << 32,
+ (long)'l' << 56 | (long)'a' << 48 | (long)'m' << 40 | (long)'b' << 32 | (long)'d' << 24 | (long)'a' << 16,
+ (long)'l' << 56 | (long)'a' << 48 | (long)'n' << 40 | (long)'g' << 32,
+ (long)'l' << 56 | (long)'a' << 48 | (long)'q' << 40 | (long)'u' << 32 | (long)'o' << 24,
+ (long)'l' << 56 | (long)'a' << 48 | (long)'r' << 40 | (long)'r' << 32,
+ (long)'l' << 56 | (long)'c' << 48 | (long)'e' << 40 | (long)'i' << 32 | (long)'l' << 24,
+ (long)'l' << 56 | (long)'d' << 48 | (long)'q' << 40 | (long)'u' << 32 | (long)'o' << 24,
+ (long)'l' << 56 | (long)'e' << 48,
+ (long)'l' << 56 | (long)'f' << 48 | (long)'l' << 40 | (long)'o' << 32 | (long)'o' << 24 | (long)'r' << 16,
+ (long)'l' << 56 | (long)'o' << 48 | (long)'w' << 40 | (long)'a' << 32 | (long)'s' << 24 | (long)'t' << 16,
+ (long)'l' << 56 | (long)'o' << 48 | (long)'z' << 40,
+ (long)'l' << 56 | (long)'r' << 48 | (long)'m' << 40,
+ (long)'l' << 56 | (long)'s' << 48 | (long)'a' << 40 | (long)'q' << 32 | (long)'u' << 24 | (long)'o' << 16,
+ (long)'l' << 56 | (long)'s' << 48 | (long)'q' << 40 | (long)'u' << 32 | (long)'o' << 24,
+ (long)'l' << 56 | (long)'t' << 48,
+ (long)'m' << 56 | (long)'a' << 48 | (long)'c' << 40 | (long)'r' << 32,
+ (long)'m' << 56 | (long)'d' << 48 | (long)'a' << 40 | (long)'s' << 32 | (long)'h' << 24,
+ (long)'m' << 56 | (long)'i' << 48 | (long)'c' << 40 | (long)'r' << 32 | (long)'o' << 24,
+ (long)'m' << 56 | (long)'i' << 48 | (long)'d' << 40 | (long)'d' << 32 | (long)'o' << 24 | (long)'t' << 16,
+ (long)'m' << 56 | (long)'i' << 48 | (long)'n' << 40 | (long)'u' << 32 | (long)'s' << 24,
+ (long)'m' << 56 | (long)'u' << 48,
+ (long)'n' << 56 | (long)'a' << 48 | (long)'b' << 40 | (long)'l' << 32 | (long)'a' << 24,
+ (long)'n' << 56 | (long)'b' << 48 | (long)'s' << 40 | (long)'p' << 32,
+ (long)'n' << 56 | (long)'d' << 48 | (long)'a' << 40 | (long)'s' << 32 | (long)'h' << 24,
+ (long)'n' << 56 | (long)'e' << 48,
+ (long)'n' << 56 | (long)'i' << 48,
+ (long)'n' << 56 | (long)'o' << 48 | (long)'t' << 40,
+ (long)'n' << 56 | (long)'o' << 48 | (long)'t' << 40 | (long)'i' << 32 | (long)'n' << 24,
+ (long)'n' << 56 | (long)'s' << 48 | (long)'u' << 40 | (long)'b' << 32,
+ (long)'n' << 56 | (long)'t' << 48 | (long)'i' << 40 | (long)'l' << 32 | (long)'d' << 24 | (long)'e' << 16,
+ (long)'n' << 56 | (long)'u' << 48,
+ (long)'o' << 56 | (long)'a' << 48 | (long)'c' << 40 | (long)'u' << 32 | (long)'t' << 24 | (long)'e' << 16,
+ (long)'o' << 56 | (long)'c' << 48 | (long)'i' << 40 | (long)'r' << 32 | (long)'c' << 24,
+ (long)'o' << 56 | (long)'e' << 48 | (long)'l' << 40 | (long)'i' << 32 | (long)'g' << 24,
+ (long)'o' << 56 | (long)'g' << 48 | (long)'r' << 40 | (long)'a' << 32 | (long)'v' << 24 | (long)'e' << 16,
+ (long)'o' << 56 | (long)'l' << 48 | (long)'i' << 40 | (long)'n' << 32 | (long)'e' << 24,
+ (long)'o' << 56 | (long)'m' << 48 | (long)'e' << 40 | (long)'g' << 32 | (long)'a' << 24,
+ (long)'o' << 56 | (long)'m' << 48 | (long)'i' << 40 | (long)'c' << 32 | (long)'r' << 24 | (long)'o' << 16 | (long)'n' << 8,
+ (long)'o' << 56 | (long)'p' << 48 | (long)'l' << 40 | (long)'u' << 32 | (long)'s' << 24,
+ (long)'o' << 56 | (long)'r' << 48,
+ (long)'o' << 56 | (long)'r' << 48 | (long)'d' << 40 | (long)'f' << 32,
+ (long)'o' << 56 | (long)'r' << 48 | (long)'d' << 40 | (long)'m' << 32,
+ (long)'o' << 56 | (long)'s' << 48 | (long)'l' << 40 | (long)'a' << 32 | (long)'s' << 24 | (long)'h' << 16,
+ (long)'o' << 56 | (long)'t' << 48 | (long)'i' << 40 | (long)'l' << 32 | (long)'d' << 24 | (long)'e' << 16,
+ (long)'o' << 56 | (long)'t' << 48 | (long)'i' << 40 | (long)'m' << 32 | (long)'e' << 24 | (long)'s' << 16,
+ (long)'o' << 56 | (long)'u' << 48 | (long)'m' << 40 | (long)'l' << 32,
+ (long)'p' << 56 | (long)'a' << 48 | (long)'r' << 40 | (long)'a' << 32,
+ (long)'p' << 56 | (long)'a' << 48 | (long)'r' << 40 | (long)'t' << 32,
+ (long)'p' << 56 | (long)'e' << 48 | (long)'r' << 40 | (long)'m' << 32 | (long)'i' << 24 | (long)'l' << 16,
+ (long)'p' << 56 | (long)'e' << 48 | (long)'r' << 40 | (long)'p' << 32,
+ (long)'p' << 56 | (long)'h' << 48 | (long)'i' << 40,
+ (long)'p' << 56 | (long)'i' << 48,
+ (long)'p' << 56 | (long)'i' << 48 | (long)'v' << 40,
+ (long)'p' << 56 | (long)'l' << 48 | (long)'u' << 40 | (long)'s' << 32 | (long)'m' << 24 | (long)'n' << 16,
+ (long)'p' << 56 | (long)'o' << 48 | (long)'u' << 40 | (long)'n' << 32 | (long)'d' << 24,
+ (long)'p' << 56 | (long)'r' << 48 | (long)'i' << 40 | (long)'m' << 32 | (long)'e' << 24,
+ (long)'p' << 56 | (long)'r' << 48 | (long)'o' << 40 | (long)'d' << 32,
+ (long)'p' << 56 | (long)'r' << 48 | (long)'o' << 40 | (long)'p' << 32,
+ (long)'p' << 56 | (long)'s' << 48 | (long)'i' << 40,
+ (long)'q' << 56 | (long)'u' << 48 | (long)'o' << 40 | (long)'t' << 32,
+ (long)'r' << 56 | (long)'A' << 48 | (long)'r' << 40 | (long)'r' << 32,
+ (long)'r' << 56 | (long)'a' << 48 | (long)'d' << 40 | (long)'i' << 32 | (long)'c' << 24,
+ (long)'r' << 56 | (long)'a' << 48 | (long)'n' << 40 | (long)'g' << 32,
+ (long)'r' << 56 | (long)'a' << 48 | (long)'q' << 40 | (long)'u' << 32 | (long)'o' << 24,
+ (long)'r' << 56 | (long)'a' << 48 | (long)'r' << 40 | (long)'r' << 32,
+ (long)'r' << 56 | (long)'c' << 48 | (long)'e' << 40 | (long)'i' << 32 | (long)'l' << 24,
+ (long)'r' << 56 | (long)'d' << 48 | (long)'q' << 40 | (long)'u' << 32 | (long)'o' << 24,
+ (long)'r' << 56 | (long)'e' << 48 | (long)'a' << 40 | (long)'l' << 32,
+ (long)'r' << 56 | (long)'e' << 48 | (long)'g' << 40,
+ (long)'r' << 56 | (long)'f' << 48 | (long)'l' << 40 | (long)'o' << 32 | (long)'o' << 24 | (long)'r' << 16,
+ (long)'r' << 56 | (long)'h' << 48 | (long)'o' << 40,
+ (long)'r' << 56 | (long)'l' << 48 | (long)'m' << 40,
+ (long)'r' << 56 | (long)'s' << 48 | (long)'a' << 40 | (long)'q' << 32 | (long)'u' << 24 | (long)'o' << 16,
+ (long)'r' << 56 | (long)'s' << 48 | (long)'q' << 40 | (long)'u' << 32 | (long)'o' << 24,
+ (long)'s' << 56 | (long)'b' << 48 | (long)'q' << 40 | (long)'u' << 32 | (long)'o' << 24,
+ (long)'s' << 56 | (long)'c' << 48 | (long)'a' << 40 | (long)'r' << 32 | (long)'o' << 24 | (long)'n' << 16,
+ (long)'s' << 56 | (long)'d' << 48 | (long)'o' << 40 | (long)'t' << 32,
+ (long)'s' << 56 | (long)'e' << 48 | (long)'c' << 40 | (long)'t' << 32,
+ (long)'s' << 56 | (long)'h' << 48 | (long)'y' << 40,
+ (long)'s' << 56 | (long)'i' << 48 | (long)'g' << 40 | (long)'m' << 32 | (long)'a' << 24,
+ (long)'s' << 56 | (long)'i' << 48 | (long)'g' << 40 | (long)'m' << 32 | (long)'a' << 24 | (long)'f' << 16,
+ (long)'s' << 56 | (long)'i' << 48 | (long)'m' << 40,
+ (long)'s' << 56 | (long)'p' << 48 | (long)'a' << 40 | (long)'d' << 32 | (long)'e' << 24 | (long)'s' << 16,
+ (long)'s' << 56 | (long)'u' << 48 | (long)'b' << 40,
+ (long)'s' << 56 | (long)'u' << 48 | (long)'b' << 40 | (long)'e' << 32,
+ (long)'s' << 56 | (long)'u' << 48 | (long)'m' << 40,
+ (long)'s' << 56 | (long)'u' << 48 | (long)'p' << 40,
+ (long)'s' << 56 | (long)'u' << 48 | (long)'p' << 40 | (long)'1' << 32,
+ (long)'s' << 56 | (long)'u' << 48 | (long)'p' << 40 | (long)'2' << 32,
+ (long)'s' << 56 | (long)'u' << 48 | (long)'p' << 40 | (long)'3' << 32,
+ (long)'s' << 56 | (long)'u' << 48 | (long)'p' << 40 | (long)'e' << 32,
+ (long)'s' << 56 | (long)'z' << 48 | (long)'l' << 40 | (long)'i' << 32 | (long)'g' << 24,
+ (long)'t' << 56 | (long)'a' << 48 | (long)'u' << 40,
+ (long)'t' << 56 | (long)'h' << 48 | (long)'e' << 40 | (long)'r' << 32 | (long)'e' << 24 | (long)'4' << 16,
+ (long)'t' << 56 | (long)'h' << 48 | (long)'e' << 40 | (long)'t' << 32 | (long)'a' << 24,
+ (long)'t' << 56 | (long)'h' << 48 | (long)'e' << 40 | (long)'t' << 32 | (long)'a' << 24 | (long)'s' << 16 | (long)'y' << 8 | (long)'m' << 0,
+ (long)'t' << 56 | (long)'h' << 48 | (long)'i' << 40 | (long)'n' << 32 | (long)'s' << 24 | (long)'p' << 16,
+ (long)'t' << 56 | (long)'h' << 48 | (long)'o' << 40 | (long)'r' << 32 | (long)'n' << 24,
+ (long)'t' << 56 | (long)'i' << 48 | (long)'l' << 40 | (long)'d' << 32 | (long)'e' << 24,
+ (long)'t' << 56 | (long)'i' << 48 | (long)'m' << 40 | (long)'e' << 32 | (long)'s' << 24,
+ (long)'t' << 56 | (long)'r' << 48 | (long)'a' << 40 | (long)'d' << 32 | (long)'e' << 24,
+ (long)'u' << 56 | (long)'A' << 48 | (long)'r' << 40 | (long)'r' << 32,
+ (long)'u' << 56 | (long)'a' << 48 | (long)'c' << 40 | (long)'u' << 32 | (long)'t' << 24 | (long)'e' << 16,
+ (long)'u' << 56 | (long)'a' << 48 | (long)'r' << 40 | (long)'r' << 32,
+ (long)'u' << 56 | (long)'c' << 48 | (long)'i' << 40 | (long)'r' << 32 | (long)'c' << 24,
+ (long)'u' << 56 | (long)'g' << 48 | (long)'r' << 40 | (long)'a' << 32 | (long)'v' << 24 | (long)'e' << 16,
+ (long)'u' << 56 | (long)'m' << 48 | (long)'l' << 40,
+ (long)'u' << 56 | (long)'p' << 48 | (long)'s' << 40 | (long)'i' << 32 | (long)'h' << 24,
+ (long)'u' << 56 | (long)'p' << 48 | (long)'s' << 40 | (long)'i' << 32 | (long)'l' << 24 | (long)'o' << 16 | (long)'n' << 8,
+ (long)'u' << 56 | (long)'u' << 48 | (long)'m' << 40 | (long)'l' << 32,
+ (long)'w' << 56 | (long)'e' << 48 | (long)'i' << 40 | (long)'e' << 32 | (long)'r' << 24 | (long)'p' << 16,
+ (long)'x' << 56 | (long)'i' << 48,
+ (long)'y' << 56 | (long)'a' << 48 | (long)'c' << 40 | (long)'u' << 32 | (long)'t' << 24 | (long)'e' << 16,
+ (long)'y' << 56 | (long)'e' << 48 | (long)'n' << 40,
+ (long)'y' << 56 | (long)'u' << 48 | (long)'m' << 40 | (long)'l' << 32,
+ (long)'z' << 56 | (long)'e' << 48 | (long)'t' << 40 | (long)'a' << 32,
+ (long)'z' << 56 | (long)'w' << 48 | (long)'j' << 40,
+ (long)'z' << 56 | (long)'w' << 48 | (long)'n' << 40 | (long)'j' << 32
+ };
+
+ static readonly char[] entities_values = new char[] {
+ '\u00C6',
+ '\u00C1',
+ '\u00C2',
+ '\u00C0',
+ '\u0391',
+ '\u00C5',
+ '\u00C3',
+ '\u00C4',
+ '\u0392',
+ '\u00C7',
+ '\u03A7',
+ '\u2021',
+ '\u0394',
+ '\u00D0',
+ '\u00C9',
+ '\u00CA',
+ '\u00C8',
+ '\u0395',
+ '\u0397',
+ '\u00CB',
+ '\u0393',
+ '\u00CD',
+ '\u00CE',
+ '\u00CC',
+ '\u0399',
+ '\u00CF',
+ '\u039A',
+ '\u039B',
+ '\u039C',
+ '\u00D1',
+ '\u039D',
+ '\u0152',
+ '\u00D3',
+ '\u00D4',
+ '\u00D2',
+ '\u03A9',
+ '\u039F',
+ '\u00D8',
+ '\u00D5',
+ '\u00D6',
+ '\u03A6',
+ '\u03A0',
+ '\u2033',
+ '\u03A8',
+ '\u03A1',
+ '\u0160',
+ '\u03A3',
+ '\u00DE',
+ '\u03A4',
+ '\u0398',
+ '\u00DA',
+ '\u00DB',
+ '\u00D9',
+ '\u03A5',
+ '\u00DC',
+ '\u039E',
+ '\u00DD',
+ '\u0178',
+ '\u0396',
+ '\u00E1',
+ '\u00E2',
+ '\u00B4',
+ '\u00E6',
+ '\u00E0',
+ '\u2135',
+ '\u03B1',
+ '\u0026',
+ '\u2227',
+ '\u2220',
+ '\u0027',
+ '\u00E5',
+ '\u2248',
+ '\u00E3',
+ '\u00E4',
+ '\u201E',
+ '\u03B2',
+ '\u00A6',
+ '\u2022',
+ '\u2229',
+ '\u00E7',
+ '\u00B8',
+ '\u00A2',
+ '\u03C7',
+ '\u02C6',
+ '\u2663',
+ '\u2245',
+ '\u00A9',
+ '\u21B5',
+ '\u222A',
+ '\u00A4',
+ '\u21D3',
+ '\u2020',
+ '\u2193',
+ '\u00B0',
+ '\u03B4',
+ '\u2666',
+ '\u00F7',
+ '\u00E9',
+ '\u00EA',
+ '\u00E8',
+ '\u2205',
+ '\u2003',
+ '\u2002',
+ '\u03B5',
+ '\u2261',
+ '\u03B7',
+ '\u00F0',
+ '\u00EB',
+ '\u20AC',
+ '\u2203',
+ '\u0192',
+ '\u2200',
+ '\u00BD',
+ '\u00BC',
+ '\u00BE',
+ '\u2044',
+ '\u03B3',
+ '\u2265',
+ '\u003E',
+ '\u21D4',
+ '\u2194',
+ '\u2665',
+ '\u2026',
+ '\u00ED',
+ '\u00EE',
+ '\u00A1',
+ '\u00EC',
+ '\u2111',
+ '\u221E',
+ '\u222B',
+ '\u03B9',
+ '\u00BF',
+ '\u2208',
+ '\u00EF',
+ '\u03BA',
+ '\u21D0',
+ '\u03BB',
+ '\u2329',
+ '\u00AB',
+ '\u2190',
+ '\u2308',
+ '\u201C',
+ '\u2264',
+ '\u230A',
+ '\u2217',
+ '\u25CA',
+ '\u200E',
+ '\u2039',
+ '\u2018',
+ '\u003C',
+ '\u00AF',
+ '\u2014',
+ '\u00B5',
+ '\u00B7',
+ '\u2212',
+ '\u03BC',
+ '\u2207',
+ '\u00A0',
+ '\u2013',
+ '\u2260',
+ '\u220B',
+ '\u00AC',
+ '\u2209',
+ '\u2284',
+ '\u00F1',
+ '\u03BD',
+ '\u00F3',
+ '\u00F4',
+ '\u0153',
+ '\u00F2',
+ '\u203E',
+ '\u03C9',
+ '\u03BF',
+ '\u2295',
+ '\u2228',
+ '\u00AA',
+ '\u00BA',
+ '\u00F8',
+ '\u00F5',
+ '\u2297',
+ '\u00F6',
+ '\u00B6',
+ '\u2202',
+ '\u2030',
+ '\u22A5',
+ '\u03C6',
+ '\u03C0',
+ '\u03D6',
+ '\u00B1',
+ '\u00A3',
+ '\u2032',
+ '\u220F',
+ '\u221D',
+ '\u03C8',
+ '\u0022',
+ '\u21D2',
+ '\u221A',
+ '\u232A',
+ '\u00BB',
+ '\u2192',
+ '\u2309',
+ '\u201D',
+ '\u211C',
+ '\u00AE',
+ '\u230B',
+ '\u03C1',
+ '\u200F',
+ '\u203A',
+ '\u2019',
+ '\u201A',
+ '\u0161',
+ '\u22C5',
+ '\u00A7',
+ '\u00AD',
+ '\u03C3',
+ '\u03C2',
+ '\u223C',
+ '\u2660',
+ '\u2282',
+ '\u2286',
+ '\u2211',
+ '\u2283',
+ '\u00B9',
+ '\u00B2',
+ '\u00B3',
+ '\u2287',
+ '\u00DF',
+ '\u03C4',
+ '\u2234',
+ '\u03B8',
+ '\u03D1',
+ '\u2009',
+ '\u00FE',
+ '\u02DC',
+ '\u00D7',
+ '\u2122',
+ '\u21D1',
+ '\u00FA',
+ '\u2191',
+ '\u00FB',
+ '\u00F9',
+ '\u00A8',
+ '\u03D2',
+ '\u03C5',
+ '\u00FC',
+ '\u2118',
+ '\u03BE',
+ '\u00FD',
+ '\u00A5',
+ '\u00FF',
+ '\u03B6',
+ '\u200D',
+ '\u200C'
+ };
+
+ static readonly char[] hexChars = new [] {
+ '0',
+ '1',
+ '2',
+ '3',
+ '4',
+ '5',
+ '6',
+ '7',
+ '8',
+ '9',
+ 'A',
+ 'B',
+ 'C',
+ 'D',
+ 'E',
+ 'F'
+ };
+
+ #region Methods
+
+ public static void HtmlAttributeEncode (string s, TextWriter output)
{
- return UrlDecode (s, null);
+ output.Write(HtmlAttributeEncode(s));
}
+
+ public static string HtmlAttributeEncode (string s)
+ {
+ if (null == s)
+ return null;
+
+ bool needEncode = false;
+ for (int i = 0; i < s.Length; i++) {
+ if (s [i] == '&' || s [i] == '"' || s [i] == '<') {
+ needEncode = true;
+ break;
+ }
+ }
+
+ if (!needEncode)
+ return s;
+ StringBuilder output = new StringBuilder ();
+ int len = s.Length;
+ for (int i = 0; i < len; i++)
+ switch (s [i]) {
+ case '&' :
+ output.Append ("&");
+ break;
+ case '"' :
+ output.Append (""");
+ break;
+ case '<':
+ output.Append ("<");
+ break;
+ default:
+ output.Append (s [i]);
+ break;
+ }
+
+ return output.ToString();
+ }
+
+ public static string UrlDecode (string str)
+ {
+ return UrlDecode(str, Encoding.UTF8);
+ }
+
static char [] GetChars (MemoryStream b, Encoding e)
{
return e.GetChars (b.GetBuffer (), 0, (int) b.Length);
}
+ static void WriteCharBytes (IList buf, char ch, Encoding e)
+ {
+ if (ch > 255) {
+ foreach (byte b in e.GetBytes (new char[] { ch }))
+ buf.Add (b);
+ } else
+ buf.Add ((byte)ch);
+ }
+
public static string UrlDecode (string s, Encoding e)
{
if (null == s)
if (s.IndexOf ('%') == -1 && s.IndexOf ('+') == -1)
return s;
-
+
if (e == null)
- e = Encoding.GetEncoding (28591);
-
- StringBuilder output = new StringBuilder ();
+ e = Encoding.UTF8;
+
long len = s.Length;
- NumberStyles hexa = NumberStyles.HexNumber;
- MemoryStream bytes = new MemoryStream ();
-
+ var bytes = new List <byte> ();
+ int xchar;
+ char ch;
+
for (int i = 0; i < len; i++) {
- if (s [i] == '%' && i + 2 < len) {
+ ch = s [i];
+ if (ch == '%' && i + 2 < len && s [i + 1] != '%') {
if (s [i + 1] == 'u' && i + 5 < len) {
- if (bytes.Length > 0) {
- output.Append (GetChars (bytes, e));
- bytes.SetLength (0);
- }
- output.Append ((char) Int32.Parse (s.Substring (i + 2, 4), hexa));
- i += 5;
- } else {
- bytes.WriteByte ((byte) Int32.Parse (s.Substring (i + 1, 2), hexa));
+ // unicode hex sequence
+ xchar = GetChar (s, i + 2, 4);
+ if (xchar != -1) {
+ WriteCharBytes (bytes, (char)xchar, e);
+ i += 5;
+ } else
+ WriteCharBytes (bytes, '%', e);
+ } else if ((xchar = GetChar (s, i + 1, 2)) != -1) {
+ WriteCharBytes (bytes, (char)xchar, e);
i += 2;
+ } else {
+ WriteCharBytes (bytes, '%', e);
}
continue;
}
- if (bytes.Length > 0) {
- output.Append (GetChars (bytes, e));
- bytes.SetLength (0);
+ if (ch == '+')
+ WriteCharBytes (bytes, ' ', e);
+ else
+ WriteCharBytes (bytes, ch, e);
+ }
+
+ byte[] buf = bytes.ToArray ();
+ bytes = null;
+ return e.GetString (buf);
+
+ }
+
+ public static string UrlDecode (byte [] bytes, Encoding e)
+ {
+ if (bytes == null)
+ return null;
+
+ return UrlDecode (bytes, 0, bytes.Length, e);
+ }
+
+ static int GetInt (byte b)
+ {
+ char c = (char) b;
+ if (c >= '0' && c <= '9')
+ return c - '0';
+
+ if (c >= 'a' && c <= 'f')
+ return c - 'a' + 10;
+
+ if (c >= 'A' && c <= 'F')
+ return c - 'A' + 10;
+
+ return -1;
+ }
+
+ static int GetChar (byte [] bytes, int offset, int length)
+ {
+ int value = 0;
+ int end = length + offset;
+ for (int i = offset; i < end; i++) {
+ int current = GetInt (bytes [i]);
+ if (current == -1)
+ return -1;
+ value = (value << 4) + current;
+ }
+
+ return value;
+ }
+
+ static int GetChar (string str, int offset, int length)
+ {
+ int val = 0;
+ int end = length + offset;
+ for (int i = offset; i < end; i++) {
+ char c = str [i];
+ if (c > 127)
+ return -1;
+
+ int current = GetInt ((byte) c);
+ if (current == -1)
+ return -1;
+ val = (val << 4) + current;
+ }
+
+ return val;
+ }
+
+ public static string UrlDecode (byte [] bytes, int offset, int count, Encoding e)
+ {
+ if (bytes == null)
+ return null;
+ if (count == 0)
+ return String.Empty;
+
+ if (bytes == null)
+ throw new ArgumentNullException ("bytes");
+
+ if (offset < 0 || offset > bytes.Length)
+ throw new ArgumentOutOfRangeException ("offset");
+
+ if (count < 0 || offset + count > bytes.Length)
+ throw new ArgumentOutOfRangeException ("count");
+
+ StringBuilder output = new StringBuilder ();
+ MemoryStream acc = new MemoryStream ();
+
+ int end = count + offset;
+ int xchar;
+ for (int i = offset; i < end; i++) {
+ if (bytes [i] == '%' && i + 2 < count && bytes [i + 1] != '%') {
+ if (bytes [i + 1] == (byte) 'u' && i + 5 < end) {
+ if (acc.Length > 0) {
+ output.Append (GetChars (acc, e));
+ acc.SetLength (0);
+ }
+ xchar = GetChar (bytes, i + 2, 4);
+ if (xchar != -1) {
+ output.Append ((char) xchar);
+ i += 5;
+ continue;
+ }
+ } else if ((xchar = GetChar (bytes, i + 1, 2)) != -1) {
+ acc.WriteByte ((byte) xchar);
+ i += 2;
+ continue;
+ }
}
- if (s [i] == '+') {
+ if (acc.Length > 0) {
+ output.Append (GetChars (acc, e));
+ acc.SetLength (0);
+ }
+
+ if (bytes [i] == '+') {
output.Append (' ');
} else {
- output.Append (s [i]);
+ output.Append ((char) bytes [i]);
}
- }
+ }
+
+ if (acc.Length > 0) {
+ output.Append (GetChars (acc, e));
+ }
+
+ acc = null;
+ return output.ToString ();
+ }
- if (bytes.Length > 0) {
- output.Append (GetChars (bytes, e));
+ public static byte [] UrlDecodeToBytes (byte [] bytes)
+ {
+ if (bytes == null)
+ return null;
+
+ return UrlDecodeToBytes (bytes, 0, bytes.Length);
+ }
+
+ public static byte [] UrlDecodeToBytes (string str)
+ {
+ return UrlDecodeToBytes (str, Encoding.UTF8);
+ }
+
+ public static byte [] UrlDecodeToBytes (string str, Encoding e)
+ {
+ if (str == null)
+ return null;
+
+ if (e == null)
+ throw new ArgumentNullException ("e");
+
+ return UrlDecodeToBytes (e.GetBytes (str));
+ }
+
+ public static byte [] UrlDecodeToBytes (byte [] bytes, int offset, int count)
+ {
+ if (bytes == null)
+ return null;
+ if (count == 0)
+ return new byte [0];
+
+ int len = bytes.Length;
+ if (offset < 0 || offset >= len)
+ throw new ArgumentOutOfRangeException("offset");
+
+ if (count < 0 || offset > len - count)
+ throw new ArgumentOutOfRangeException("count");
+
+ MemoryStream result = new MemoryStream ();
+ int end = offset + count;
+ for (int i = offset; i < end; i++){
+ char c = (char) bytes [i];
+ if (c == '+') {
+ c = ' ';
+ } else if (c == '%' && i < end - 2) {
+ int xchar = GetChar (bytes, i + 1, 2);
+ if (xchar != -1) {
+ c = (char) xchar;
+ i += 2;
+ }
+ }
+ result.WriteByte ((byte) c);
}
- bytes = null;
+ return result.ToArray ();
+ }
+
+ public static string UrlEncode(string str)
+ {
+ return UrlEncode(str, Encoding.UTF8);
+ }
+
+ public static string UrlEncode (string s, Encoding Enc)
+ {
+ if (string.IsNullOrEmpty (s))
+ return s;
+
+ bool needEncode = false;
+ int len = s.Length;
+ for (int i = 0; i < len; i++) {
+ char c = s [i];
+ if ((c < '0') || (c < 'A' && c > '9') || (c > 'Z' && c < 'a') || (c > 'z')) {
+ if (NotEncoded (c))
+ continue;
+
+ needEncode = true;
+ break;
+ }
+ }
+
+ if (!needEncode)
+ return s;
+
+ // avoided GetByteCount call
+ byte [] bytes = new byte[Enc.GetMaxByteCount(s.Length)];
+ int realLen = Enc.GetBytes (s, 0, s.Length, bytes, 0);
+ return Encoding.ASCII.GetString (UrlEncodeToBytes (bytes, 0, realLen));
+ }
+
+ public static string UrlEncode (byte [] bytes)
+ {
+ if (bytes == null)
+ return null;
+
+ if (bytes.Length == 0)
+ return "";
+
+ return Encoding.ASCII.GetString (UrlEncodeToBytes (bytes, 0, bytes.Length));
+ }
+
+ public static string UrlEncode (byte [] bytes, int offset, int count)
+ {
+ if (bytes == null)
+ return null;
+
+ if (bytes.Length == 0)
+ return "";
+
+ return Encoding.ASCII.GetString (UrlEncodeToBytes (bytes, offset, count));
+ }
+
+ public static byte [] UrlEncodeToBytes (string str)
+ {
+ return UrlEncodeToBytes (str, Encoding.UTF8);
+ }
+
+ public static byte [] UrlEncodeToBytes (string str, Encoding e)
+ {
+ if (str == null)
+ return null;
+
+ if (str == "")
+ return new byte [0];
+
+ byte [] bytes = e.GetBytes (str);
+ return UrlEncodeToBytes (bytes, 0, bytes.Length);
+ }
+
+ public static byte [] UrlEncodeToBytes (byte [] bytes)
+ {
+ if (bytes == null)
+ return null;
+
+ if (bytes.Length == 0)
+ return new byte [0];
+
+ return UrlEncodeToBytes (bytes, 0, bytes.Length);
+ }
+
+ static bool NotEncoded (char c)
+ {
+ return (c == '!' || c == '(' || c == ')' || c == '*' || c == '-' || c == '.' || c == '_');
+ }
+
+ static void UrlEncodeChar (char c, Stream result, bool isUnicode) {
+ if (c > 255) {
+ //FIXME: what happens when there is an internal error?
+ //if (!isUnicode)
+ // throw new ArgumentOutOfRangeException ("c", c, "c must be less than 256");
+ int idx;
+ int i = (int) c;
+
+ result.WriteByte ((byte)'%');
+ result.WriteByte ((byte)'u');
+ idx = i >> 12;
+ result.WriteByte ((byte)hexChars [idx]);
+ idx = (i >> 8) & 0x0F;
+ result.WriteByte ((byte)hexChars [idx]);
+ idx = (i >> 4) & 0x0F;
+ result.WriteByte ((byte)hexChars [idx]);
+ idx = i & 0x0F;
+ result.WriteByte ((byte)hexChars [idx]);
+ return;
+ }
+
+ if (c > ' ' && NotEncoded (c)) {
+ result.WriteByte ((byte)c);
+ return;
+ }
+ if (c==' ') {
+ result.WriteByte ((byte)'+');
+ return;
+ }
+ if ( (c < '0') ||
+ (c < 'A' && c > '9') ||
+ (c > 'Z' && c < 'a') ||
+ (c > 'z')) {
+ if (isUnicode && c > 127) {
+ result.WriteByte ((byte)'%');
+ result.WriteByte ((byte)'u');
+ result.WriteByte ((byte)'0');
+ result.WriteByte ((byte)'0');
+ }
+ else
+ result.WriteByte ((byte)'%');
+
+ int idx = ((int) c) >> 4;
+ result.WriteByte ((byte)hexChars [idx]);
+ idx = ((int) c) & 0x0F;
+ result.WriteByte ((byte)hexChars [idx]);
+ }
+ else
+ result.WriteByte ((byte)c);
+ }
+
+ public static byte [] UrlEncodeToBytes (byte [] bytes, int offset, int count)
+ {
+ if (bytes == null)
+ return null;
+
+ int len = bytes.Length;
+ if (len == 0)
+ return new byte [0];
+
+ if (offset < 0 || offset >= len)
+ throw new ArgumentOutOfRangeException("offset");
+
+ if (count < 0 || count > len - offset)
+ throw new ArgumentOutOfRangeException("count");
+
+ MemoryStream result = new MemoryStream (count);
+ int end = offset + count;
+ for (int i = offset; i < end; i++)
+ UrlEncodeChar ((char)bytes [i], result, false);
+
+ return result.ToArray();
+ }
+
+ public static string UrlEncodeUnicode (string str)
+ {
+ if (str == null)
+ return null;
+
+ return Encoding.ASCII.GetString (UrlEncodeUnicodeToBytes (str));
+ }
+
+ public static byte [] UrlEncodeUnicodeToBytes (string str)
+ {
+ if (str == null)
+ return null;
+
+ if (str == "")
+ return new byte [0];
+
+ MemoryStream result = new MemoryStream (str.Length);
+ foreach (char c in str){
+ UrlEncodeChar (c, result, true);
+ }
+ return result.ToArray ();
+ }
+
+ static bool TryConvertKeyToEntity (string key, out char value)
+ {
+ var token = CalculateKeyValue (key);
+ if (token == 0) {
+ value = '\0';
+ return false;
+ }
+
+ var idx = Array.BinarySearch (entities, token);
+ if (idx < 0) {
+ value = '\0';
+ return false;
+ }
+
+ value = entities_values [idx];
+ return true;
+ }
+
+ static long CalculateKeyValue (string s)
+ {
+ if (s.Length > 8)
+ return 0;
+
+ long key = 0;
+ for (int i = 0; i < s.Length; ++i) {
+ long ch = s[i];
+ if (ch > 'z' || ch < '0')
+ return 0;
+
+ key |= ch << ((7 - i) * 8);
+ }
+
+ return key;
+ }
+
+ /// <summary>
+ /// Decodes an HTML-encoded string and returns the decoded string.
+ /// </summary>
+ /// <param name="s">The HTML string to decode. </param>
+ /// <returns>The decoded text.</returns>
+ public static string HtmlDecode (string s)
+ {
+ if (s == null)
+ throw new ArgumentNullException ("s");
+
+ if (s.IndexOf ('&') == -1)
+ return s;
+
+ StringBuilder entity = new StringBuilder ();
+ StringBuilder output = new StringBuilder ();
+ int len = s.Length;
+ // 0 -> nothing,
+ // 1 -> right after '&'
+ // 2 -> between '&' and ';' but no '#'
+ // 3 -> '#' found after '&' and getting numbers
+ int state = 0;
+ int number = 0;
+ int digit_start = 0;
+ bool hex_number = false;
+
+ for (int i = 0; i < len; i++) {
+ char c = s [i];
+ if (state == 0) {
+ if (c == '&') {
+ entity.Append (c);
+ state = 1;
+ } else {
+ output.Append (c);
+ }
+ continue;
+ }
+
+ if (c == '&') {
+ state = 1;
+ if (digit_start > 0) {
+ entity.Append (s, digit_start, i - digit_start);
+ digit_start = 0;
+ }
+
+ output.Append (entity.ToString ());
+ entity.Length = 0;
+ entity.Append ('&');
+ continue;
+ }
+
+ switch (state) {
+ case 1:
+ if (c == ';') {
+ state = 0;
+ output.Append (entity.ToString ());
+ output.Append (c);
+ entity.Length = 0;
+ break;
+ }
+
+ number = 0;
+ hex_number = false;
+ if (c != '#') {
+ state = 2;
+ } else {
+ state = 3;
+ }
+ entity.Append (c);
+
+ break;
+ case 2:
+ entity.Append (c);
+ if (c == ';') {
+ string key = entity.ToString ();
+ state = 0;
+ entity.Length = 0;
+
+ if (key.Length > 1) {
+ var skey = key.Substring (1, key.Length - 2);
+ if (TryConvertKeyToEntity (skey, out c)) {
+ output.Append (c);
+ break;
+ }
+ }
+
+ output.Append (key);
+ }
+
+ break;
+ case 3:
+ if (c == ';') {
+ if (number < 0x10000) {
+ output.Append ((char)number);
+ } else {
+ output.Append ((char)(0xd800 + ((number - 0x10000) >> 10)));
+ output.Append ((char)(0xdc00 + ((number - 0x10000) & 0x3ff)));
+ }
+ state = 0;
+ entity.Length = 0;
+ digit_start = 0;
+ break;
+ }
+
+ if (c == 'x' || c == 'X' && !hex_number) {
+ digit_start = i;
+ hex_number = true;
+ break;
+ }
+
+ if (Char.IsDigit (c)) {
+ if (digit_start == 0)
+ digit_start = i;
+
+ number = number * (hex_number ? 16 : 10) + ((int)c - '0');
+ break;
+ }
+
+ if (hex_number) {
+ if (c >= 'a' && c <= 'f') {
+ number = number * 16 + 10 + ((int)c - 'a');
+ break;
+ }
+ if (c >= 'A' && c <= 'F') {
+ number = number * 16 + 10 + ((int)c - 'A');
+ break;
+ }
+ }
+
+ state = 2;
+ if (digit_start > 0) {
+ entity.Append (s, digit_start, i - digit_start);
+ digit_start = 0;
+ }
+
+ entity.Append (c);
+ break;
+ }
+ }
+
+ if (entity.Length > 0) {
+ output.Append (entity);
+ } else if (digit_start > 0) {
+ output.Append (s, digit_start, s.Length - digit_start);
+ }
return output.ToString ();
}
+
+ /// <summary>
+ /// Decodes an HTML-encoded string and sends the resulting output to a TextWriter output stream.
+ /// </summary>
+ /// <param name="s">The HTML string to decode</param>
+ /// <param name="output">The TextWriter output stream containing the decoded string. </param>
+ public static void HtmlDecode(string s, TextWriter output)
+ {
+ if (s != null)
+ output.Write (HtmlDecode (s));
+ }
+
+ /// <summary>
+ /// HTML-encodes a string and returns the encoded string.
+ /// </summary>
+ /// <param name="s">The text string to encode. </param>
+ /// <returns>The HTML-encoded text.</returns>
+ public static string HtmlEncode (string s)
+ {
+ if (s == null)
+ return null;
+
+ bool needEncode = false;
+ int i;
+ for (i = 0; i < s.Length; i++) {
+ char c = s [i];
+ switch (c) {
+ case '&':
+ case '"':
+ case '<':
+ case '>':
+ case '\'':
+ needEncode = true;
+ break;
+ default:
+ if (c > 159) {
+ needEncode = true;
+ break;
+ }
+
+ continue;
+ }
+
+ break;
+ }
+
+ if (!needEncode)
+ return s;
+
+ StringBuilder output = new StringBuilder (s, 0, i, s.Length * 2);
+
+ for (; i < s.Length; i++) {
+ var c = s [i];
+ switch (c) {
+ case '&' :
+ output.Append ("&");
+ break;
+ case '>' :
+ output.Append (">");
+ break;
+ case '<' :
+ output.Append ("<");
+ break;
+ case '"' :
+ output.Append (""");
+ break;
+ case '\'':
+ output.Append ("'");
+ break;
+ default:
+ // MS starts encoding with &# from 160 and stops at 255.
+ // We don't do that. One reason is the 65308/65310 unicode
+ // characters that look like '<' and '>'.
+#if TARGET_JVM
+ if (c > 159 && c < 256) {
+#else
+ if (c > 159) {
+#endif
+ output.Append ("&#");
+ if (char.IsSurrogate (c))
+ output.Append (char.ConvertToUtf32 (s, i++));
+ else
+ output.Append (((int) c).ToString (CultureInfo.InvariantCulture));
+
+ output.Append (";");
+ } else {
+ output.Append (c);
+ }
+ break;
+ }
+ }
+
+ return output.ToString ();
+ }
+
+ /// <summary>
+ /// HTML-encodes a string and sends the resulting output to a TextWriter output stream.
+ /// </summary>
+ /// <param name="s">The string to encode. </param>
+ /// <param name="output">The TextWriter output stream containing the encoded string. </param>
+ public static void HtmlEncode(string s, TextWriter output)
+ {
+ if (s != null)
+ output.Write (HtmlEncode (s));
+ }
+
+ public static string UrlPathEncode (string s)
+ {
+ if (s == null || s.Length == 0)
+ return s;
+
+ MemoryStream result = new MemoryStream ();
+ int length = s.Length;
+ for (int i = 0; i < length; i++) {
+ UrlPathEncodeChar (s [i], result);
+ }
+ return Encoding.ASCII.GetString (result.ToArray ());
+ }
+
+ static void UrlPathEncodeChar (char c, Stream result)
+ {
+ if (c < 33 || c > 126) {
+ byte [] bIn = Encoding.UTF8.GetBytes (c.ToString ());
+ for (int i = 0; i < bIn.Length; i++) {
+ result.WriteByte ((byte) '%');
+ int idx = ((int) bIn [i]) >> 4;
+ result.WriteByte ((byte) hexChars [idx]);
+ idx = ((int) bIn [i]) & 0x0F;
+ result.WriteByte ((byte) hexChars [idx]);
+ }
+ }
+ else if (c == ' ') {
+ result.WriteByte ((byte) '%');
+ result.WriteByte ((byte) '2');
+ result.WriteByte ((byte) '0');
+ }
+ else
+ result.WriteByte ((byte) c);
+ }
+
+ public static NameValueCollection ParseQueryString (string query)
+ {
+ return ParseQueryString (query, Encoding.UTF8);
+ }
+
+ public static NameValueCollection ParseQueryString (string query, Encoding encoding)
+ {
+ if (query == null)
+ throw new ArgumentNullException ("query");
+ if (encoding == null)
+ throw new ArgumentNullException ("encoding");
+ if (query.Length == 0 || (query.Length == 1 && query[0] == '?'))
+ return new NameValueCollection ();
+ if (query[0] == '?')
+ query = query.Substring (1);
+
+ NameValueCollection result = new HttpQSCollection ();
+ ParseQueryString (query, encoding, result);
+ return result;
+ }
+
+ internal static void ParseQueryString (string query, Encoding encoding, NameValueCollection result)
+ {
+ if (query.Length == 0)
+ return;
+
+ string decoded = HtmlDecode (query);
+ int decodedLength = decoded.Length;
+ int namePos = 0;
+ bool first = true;
+ while (namePos <= decodedLength) {
+ int valuePos = -1, valueEnd = -1;
+ for (int q = namePos; q < decodedLength; q++) {
+ if (valuePos == -1 && decoded [q] == '=') {
+ valuePos = q + 1;
+ } else if (decoded [q] == '&') {
+ valueEnd = q;
+ break;
+ }
+ }
+
+ if (first) {
+ first = false;
+ if (decoded [namePos] == '?')
+ namePos++;
+ }
+
+ string name, value;
+ if (valuePos == -1) {
+ name = null;
+ valuePos = namePos;
+ } else {
+ name = UrlDecode (decoded.Substring (namePos, valuePos - namePos - 1), encoding);
+ }
+ if (valueEnd < 0) {
+ namePos = -1;
+ valueEnd = decoded.Length;
+ } else {
+ namePos = valueEnd + 1;
+ }
+ value = UrlDecode (decoded.Substring (valuePos, valueEnd - valuePos), encoding);
+
+ result.Add (name, value);
+ if (namePos == -1)
+ break;
+ }
+ }
+ #endregion // Methods
}
}
-#endif
projects / mono.git / blobdiff