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/*
KeePass Password Safe - The Open-Source Password Manager
Copyright (C) 2003-2024 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.Diagnostics;
using System.Text;
using KeePassLib.Interfaces;
using KeePassLib.Security;
#if KeePassLibSD
using KeePassLibSD;
#endif
namespace KeePassLib.Collections
{
/// <summary>
/// A dictionary of <c>ProtectedBinary</c> objects.
/// </summary>
public sealed class ProtectedBinaryDictionary :
IDeepCloneable<ProtectedBinaryDictionary>,
IEnumerable<KeyValuePair<string, ProtectedBinary>>
{
private readonly SortedDictionary<string, ProtectedBinary> m_d =
new SortedDictionary<string, ProtectedBinary>();
/// <summary>
/// Get the number of items.
/// </summary>
public uint UCount
{
get { return (uint)m_d.Count; }
}
/// <summary>
/// Construct a new dictionary of protected binaries.
/// </summary>
public ProtectedBinaryDictionary()
{
}
IEnumerator IEnumerable.GetEnumerator()
{
return m_d.GetEnumerator();
}
public IEnumerator<KeyValuePair<string, ProtectedBinary>> GetEnumerator()
{
return m_d.GetEnumerator();
}
public void Clear()
{
m_d.Clear();
}
/// <summary>
/// Deeply clone the object.
/// </summary>
/// <returns>Cloned object.</returns>
public ProtectedBinaryDictionary CloneDeep()
{
ProtectedBinaryDictionary d = new ProtectedBinaryDictionary();
foreach(KeyValuePair<string, ProtectedBinary> kvp in m_d)
{
// ProtectedBinary objects are immutable
d.Set(kvp.Key, kvp.Value);
}
return d;
}
public bool EqualsDictionary(ProtectedBinaryDictionary d)
{
if(d == null) { Debug.Assert(false); return false; }
if(m_d.Count != d.m_d.Count) return false;
foreach(KeyValuePair<string, ProtectedBinary> kvp in m_d)
{
ProtectedBinary pb = d.Get(kvp.Key);
if(pb == null) return false;
if(!pb.Equals(kvp.Value)) return false;
}
return true;
}
/// <summary>
/// Get one of the protected binaries.
/// </summary>
/// <param name="strName">Binary identifier.</param>
/// <returns>Protected binary. If the binary identified by
/// <paramref name="strName" /> cannot be found, the function
/// returns <c>null</c>.</returns>
/// <exception cref="System.ArgumentNullException">Thrown if the input
/// parameter is <c>null</c>.</exception>
public ProtectedBinary Get(string strName)
{
if(strName == null) { Debug.Assert(false); throw new ArgumentNullException("strName"); }
ProtectedBinary pb;
m_d.TryGetValue(strName, out pb);
return pb;
}
/// <summary>
/// Set a protected binary.
/// </summary>
/// <param name="strName">Identifier of the binary to set.</param>
/// <param name="pbNewValue">New value. This parameter must not be <c>null</c>.</param>
/// <exception cref="System.ArgumentNullException">Thrown if any of the input
/// parameters is <c>null</c>.</exception>
public void Set(string strName, ProtectedBinary pbNewValue)
{
if(strName == null) { Debug.Assert(false); throw new ArgumentNullException("strName"); }
if(pbNewValue == null) { Debug.Assert(false); throw new ArgumentNullException("pbNewValue"); }
m_d[strName] = pbNewValue;
}
/// <summary>
/// Remove a protected binary.
/// </summary>
/// <param name="strName">Identifier of the binary to remove.</param>
/// <returns>Returns <c>true</c> if the object has been successfully
/// removed, otherwise <c>false</c>.</returns>
/// <exception cref="System.ArgumentNullException">Thrown if the input
/// parameter is <c>null</c>.</exception>
public bool Remove(string strName)
{
if(strName == null) { Debug.Assert(false); throw new ArgumentNullException("strName"); }
return m_d.Remove(strName);
}
public string KeysToString()
{
if(m_d.Count == 0) return string.Empty;
StringBuilder sb = new StringBuilder();
foreach(KeyValuePair<string, ProtectedBinary> kvp in m_d)
{
if(sb.Length > 0) sb.Append(", ");
sb.Append(kvp.Key);
}
return sb.ToString();
}
}
}
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