58 lines
1.3 KiB
C#
58 lines
1.3 KiB
C#
namespace Qrakhen.Qamp.Core.Collections;
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/// <summary>
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/// Stack-like implementation with a few added features like seeking and setting values.
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/// </summary>
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/// <typeparam name="T"></typeparam>
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public class StackLike<T> : Expander<T>,
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IPush<long, T>,
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IPop<T>,
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ISeekable<long, T>,
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IPeekable<T>,
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IToArray<T>
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{
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public long Position => Count;
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public T this[int position] {
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get => Data[position];
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set => Data[position] = value;
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}
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public StackLike(int capacity = 0x10)
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{
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Data = new T[capacity];
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Count = 0;
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}
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public StackLike(IEnumerable<T> data)
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{
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Data = data.ToArray();
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Count = 0;
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}
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public long Push(T value) => Add(value);
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public T Pop() => Data[--Count];
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public T Seek(long position)
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{
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Count = position;
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return this[Count];
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}
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public T Peek(int delta = -1) => Data[Count + delta];
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public bool CanPeek(int delta = 0)
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=> Count + delta > -1 && Count + delta < Count;
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/// <summary>
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/// Decimates this stack down to the given position, overwriting everything beyond that when pushing in the future.
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/// </summary>
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public void Decimate(long position)
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{
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Count = position;
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}
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public T[] ToArray() => Data.ToArray();
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}
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