#region License /* * QueryStringCollection.cs * * This code is derived from HttpUtility.cs (System.Net) of Mono * (http://www.mono-project.com). * * The MIT License * * Copyright (c) 2005-2009 Novell, Inc. (http://www.novell.com) * Copyright (c) 2018-2022 sta.blockhead * * 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. */ #endregion #region Authors /* * Authors: * - Patrik Torstensson * - Wictor Wilén (decode/encode functions) * - Tim Coleman * - Gonzalo Paniagua Javier */ #endregion using System; using System.Collections.Specialized; using System.Text; namespace WebSocketSharp.Net { internal sealed class QueryStringCollection : NameValueCollection { #region Public Constructors public QueryStringCollection () { } public QueryStringCollection (int capacity) : base (capacity) { } #endregion #region Public Methods public static QueryStringCollection Parse (string query) { return Parse (query, Encoding.UTF8); } public static QueryStringCollection Parse (string query, Encoding encoding) { if (query == null) return new QueryStringCollection (1); if (query.Length == 0) return new QueryStringCollection (1); if (query == "?") return new QueryStringCollection (1); if (query[0] == '?') query = query.Substring (1); if (encoding == null) encoding = Encoding.UTF8; var ret = new QueryStringCollection (); foreach (var component in query.Split ('&')) { var len = component.Length; if (len == 0) continue; if (component == "=") continue; string name = null; string val = null; var idx = component.IndexOf ('='); if (idx < 0) { val = component.UrlDecode (encoding); } else if (idx == 0) { val = component.Substring (1).UrlDecode (encoding); } else { name = component.Substring (0, idx).UrlDecode (encoding); var start = idx + 1; val = start < len ? component.Substring (start).UrlDecode (encoding) : String.Empty; } ret.Add (name, val); } return ret; } public override string ToString () { var buff = new StringBuilder (); foreach (var key in AllKeys) buff.AppendFormat ("{0}={1}&", key, this[key]); if (buff.Length > 0) buff.Length--; return buff.ToString (); } #endregion } }