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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 KeePassLib.Interfaces;
#if KeePassLibSD
using KeePassLibSD;
#endif
namespace KeePassLib.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);
}
}
}
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