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stgsharp/StgSharp.Common/Collections/PartialDictionaryValues.cs
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2025-10-15 20:29:02 +08:00

103 lines
3.3 KiB
C#

//-----------------------------------------------------------------------
// -----------------------------------------------------------------------
// file="PartialDictionaryValues"
// Project: StgSharp
// AuthorGroup: Nitload
// Copyright (c) Nitload. All rights reserved.
//
// 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.
//
// -----------------------------------------------------------------------
// -----------------------------------------------------------------------
using System;
using System.Collections;
using System.Collections.Generic;
using System.Text;
namespace StgSharp.Collections
{
public partial class PartialDictionary<TKey, TValue>
{
internal sealed class PartialDictionaryValues : ICollection<TValue>
{
private readonly PartialDictionary<TKey, TValue> _values;
public PartialDictionaryValues(PartialDictionary<TKey, TValue> value)
{
_values = value;
}
public bool IsReadOnly => true;
public int Count => _values.Count;
public bool Contains(TValue item)
{
foreach (KeyValuePair<TKey, TValue> kvp in _values)
{
if (kvp.Value != null && kvp.Value.Equals(item)) {
return true;
}
}
return false;
}
public void CopyTo(TValue[] array, int arrayIndex)
{
foreach (KeyValuePair<TKey, TValue> kvp in _values)
{
array[arrayIndex] = kvp.Value;
arrayIndex++;
}
}
public IEnumerator<TValue> GetEnumerator()
{
foreach (TKey key in _values._keys) {
yield return _values._source[key];
}
}
void ICollection<TValue>.Add(TValue item)
{
return;
}
void ICollection<TValue>.Clear()
{
return;
}
bool ICollection<TValue>.Remove(TValue item)
{
throw new NotSupportedException();
}
IEnumerator IEnumerable.GetEnumerator()
{
return GetEnumerator();
}
}
}
}