Setup solution

ModernKeePassLib/Collections/StringDictionaryEx.cs

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+/*
+  KeePass Password Safe - The Open-Source Password Manager
+  Copyright (C) 2003-2019 Dominik Reichl <dominik.reichl@t-online.de>
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Text;
+using System.Diagnostics;
+
+using ModernKeePassLib.Interfaces;
+
+#if KeePassLibSD
+using KeePassLibSD;
+#endif
+
+namespace ModernKeePassLib.Collections
+{
+	public sealed class StringDictionaryEx : IDeepCloneable<StringDictionaryEx>,
+		IEnumerable<KeyValuePair<string, string>>, IEquatable<StringDictionaryEx>
+	{
+		private SortedDictionary<string, string> m_dict =
+			new SortedDictionary<string, string>();
+
+		public int Count
+		{
+			get { return m_dict.Count; }
+		}
+
+		public StringDictionaryEx()
+		{
+		}
+
+		IEnumerator IEnumerable.GetEnumerator()
+		{
+			return m_dict.GetEnumerator();
+		}
+
+		public IEnumerator<KeyValuePair<string, string>> GetEnumerator()
+		{
+			return m_dict.GetEnumerator();
+		}
+
+		public StringDictionaryEx CloneDeep()
+		{
+			StringDictionaryEx sdNew = new StringDictionaryEx();
+
+			foreach(KeyValuePair<string, string> kvp in m_dict)
+				sdNew.m_dict[kvp.Key] = kvp.Value; // Strings are immutable
+
+			return sdNew;
+		}
+
+		public bool Equals(StringDictionaryEx sdOther)
+		{
+			if(sdOther == null) { Debug.Assert(false); return false; }
+
+			if(m_dict.Count != sdOther.m_dict.Count) return false;
+
+			foreach(KeyValuePair<string, string> kvp in sdOther.m_dict)
+			{
+				string str = Get(kvp.Key);
+				if((str == null) || (str != kvp.Value)) return false;
+			}
+
+			return true;
+		}
+
+		public string Get(string strName)
+		{
+			if(strName == null) { Debug.Assert(false); throw new ArgumentNullException("strName"); }
+
+			string s;
+			if(m_dict.TryGetValue(strName, out s)) return s;
+			return null;
+		}
+
+		public bool Exists(string strName)
+		{
+			if(strName == null) { Debug.Assert(false); throw new ArgumentNullException("strName"); }
+
+			return m_dict.ContainsKey(strName);
+		}
+
+		/// <summary>
+		/// Set a string.
+		/// </summary>
+		/// <param name="strField">Identifier of the string field to modify.</param>
+		/// <param name="strNewValue">New value. This parameter must not be <c>null</c>.</param>
+		/// <exception cref="System.ArgumentNullException">Thrown if one of the input
+		/// parameters is <c>null</c>.</exception>
+		public void Set(string strField, string strNewValue)
+		{
+			if(strField == null) { Debug.Assert(false); throw new ArgumentNullException("strField"); }
+			if(strNewValue == null) { Debug.Assert(false); throw new ArgumentNullException("strNewValue"); }
+
+			m_dict[strField] = strNewValue;
+		}
+
+		/// <summary>
+		/// Delete a string.
+		/// </summary>
+		/// <param name="strField">Name of the string field to delete.</param>
+		/// <returns>Returns <c>true</c>, if the field has been successfully
+		/// removed. Otherwise, the return value is <c>false</c>.</returns>
+		/// <exception cref="System.ArgumentNullException">Thrown if the input
+		/// parameter is <c>null</c>.</exception>
+		public bool Remove(string strField)
+		{
+			if(strField == null) { Debug.Assert(false); throw new ArgumentNullException("strField"); }
+
+			return m_dict.Remove(strField);
+		}
+	}
+}