151 lines
3.9 KiB
C#
151 lines
3.9 KiB
C#
#region License
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/*
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* QueryStringCollection.cs
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*
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* This code is derived from HttpUtility.cs (System.Net) of Mono
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* (http://www.mono-project.com).
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*
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* The MIT License
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*
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* Copyright (c) 2005-2009 Novell, Inc. (http://www.novell.com)
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* Copyright (c) 2018 sta.blockhead
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#endregion
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#region Authors
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/*
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* Authors:
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* - Patrik Torstensson <Patrik.Torstensson@labs2.com>
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* - Wictor Wilén (decode/encode functions) <wictor@ibizkit.se>
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* - Tim Coleman <tim@timcoleman.com>
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* - Gonzalo Paniagua Javier <gonzalo@ximian.com>
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*/
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#endregion
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using System;
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using System.Collections.Specialized;
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using System.Text;
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namespace WebSocketSharp.Net
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{
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internal sealed class QueryStringCollection : NameValueCollection
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{
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#region Public Constructors
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public QueryStringCollection ()
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{
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}
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public QueryStringCollection (int capacity)
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: base (capacity)
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{
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}
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#endregion
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#region Private Methods
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private static string urlDecode (string s, Encoding encoding)
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{
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return s.IndexOfAny (new[] { '%', '+' }) > -1
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? HttpUtility.UrlDecode (s, encoding)
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: s;
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}
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#endregion
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#region Public Methods
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public static QueryStringCollection Parse (string query)
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{
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return Parse (query, Encoding.UTF8);
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}
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public static QueryStringCollection Parse (string query, Encoding encoding)
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{
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if (query == null)
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return new QueryStringCollection (1);
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var len = query.Length;
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if (len == 0)
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return new QueryStringCollection (1);
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if (query == "?")
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return new QueryStringCollection (1);
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if (query[0] == '?')
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query = query.Substring (1);
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if (encoding == null)
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encoding = Encoding.UTF8;
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var ret = new QueryStringCollection ();
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var components = query.Split ('&');
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foreach (var component in components) {
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len = component.Length;
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if (len == 0)
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continue;
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if (component == "=")
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continue;
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var i = component.IndexOf ('=');
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if (i < 0) {
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ret.Add (null, urlDecode (component, encoding));
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continue;
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}
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if (i == 0) {
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ret.Add (null, urlDecode (component.Substring (1), encoding));
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continue;
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}
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var name = urlDecode (component.Substring (0, i), encoding);
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var start = i + 1;
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var val = start < len
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? urlDecode (component.Substring (start), encoding)
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: String.Empty;
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ret.Add (name, val);
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}
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return ret;
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}
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public override string ToString ()
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{
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var buff = new StringBuilder ();
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foreach (var key in AllKeys)
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buff.AppendFormat ("{0}={1}&", key, this[key]);
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if (buff.Length > 0)
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buff.Length--;
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return buff.ToString ();
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}
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#endregion
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}
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}
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