93 lines
2.9 KiB
C#
93 lines
2.9 KiB
C#
//-----------------------------------------------------------------------
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// -----------------------------------------------------------------------
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// file="CapacityFixedBag"
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// Project: StgSharp
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// AuthorGroup: Nitload
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// Copyright (c) Nitload. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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//
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// -----------------------------------------------------------------------
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// -----------------------------------------------------------------------
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Reflection;
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namespace StgSharp.Collections
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{
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public sealed class CapacityFixedBag<T> : IEnumerable<T>
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{
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private readonly T[] _buffer;
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public CapacityFixedBag(int capacity)
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{
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_buffer = new T[capacity];
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}
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public int Count { get; set; }
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public int Capacity => _buffer.Length;
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public void Add(T item)
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{
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if (Count >= _buffer.Length) {
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throw new InvalidOperationException("Bag capacity exceeded.");
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}
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_buffer[Count] = item;
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Count++;
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}
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public IEnumerator<T> GetEnumerator()
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{
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for (int i = 0; i < Count; i++) {
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yield return _buffer[i];
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}
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}
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public void Remove(T item)
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{
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int index = Array.IndexOf(_buffer, item, 0, Count);
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if (index >= 0)
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{
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_buffer[index] = _buffer[Count - 1];
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_buffer[Count - 1] = default!;
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Count--;
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}
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}
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public void RemoveAt(int index)
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{
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if (index >= 0)
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{
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_buffer[index] = _buffer[Count - 1];
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_buffer[Count - 1] = default!;
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Count--;
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}
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}
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IEnumerator IEnumerable.GetEnumerator()
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{
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return GetEnumerator();
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}
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}
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}
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