+++ /dev/null
-//
-// Copied from System.Web.HttpUtility and marked internal
-//
-// 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) 2005-2009 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
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to
-// permit persons to whom the Software is furnished to do so, subject to
-// the following conditions:
-//
-// The above copyright notice and this permission notice shall be
-// included in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-//
-
-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 {
-
- static class 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 ();
- }
- }
-
- // 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)
- {
- 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)
- return null;
-
- if (s.IndexOf ('%') == -1 && s.IndexOf ('+') == -1)
- return s;
-
- if (e == null)
- e = Encoding.UTF8;
-
- long len = s.Length;
- var bytes = new List <byte> ();
- int xchar;
- char ch;
-
- for (int i = 0; i < len; i++) {
- ch = s [i];
- if (ch == '%' && i + 2 < len && s [i + 1] != '%') {
- if (s [i + 1] == 'u' && i + 5 < len) {
- // 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 (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 (acc.Length > 0) {
- output.Append (GetChars (acc, e));
- acc.SetLength (0);
- }
-
- if (bytes [i] == '+') {
- output.Append (' ');
- } else {
- output.Append ((char) bytes [i]);
- }
- }
-
- if (acc.Length > 0) {
- output.Append (GetChars (acc, e));
- }
-
- acc = null;
- return output.ToString ();
- }
-
- 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);
- }
-
- 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 (c > 159) {
- 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
- }
-}
-
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