73 lines
1.3 KiB
C#
73 lines
1.3 KiB
C#
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using System.Collections.Generic;
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using Rokojori.Extensions;
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namespace Rokojori;
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public class RingBuffer<T>
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{
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protected readonly T[] _buffer;
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protected int _head;
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protected int _count;
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public RingBuffer( 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 => _count;
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public int capacity => _buffer.Length;
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public void ForEach( System.Action<T> callback )
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{
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for ( int i = 0; i < _count; i++ )
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{
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callback( this[ i ] );
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}
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}
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public int CountItems( System.Predicate<T> predicate )
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{
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var num = 0;
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for ( int i = 0; i < _count; i++ )
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{
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if ( predicate( this[ i ] ) )
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{
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num ++;
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}
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}
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return num;
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}
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public void Add( T item )
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{
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int index = (_head + _count) % capacity;
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_buffer[index] = item;
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if (_count == capacity)
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{
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_head = (_head + 1) % capacity;
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}
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else
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{
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_count ++;
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}
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}
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public T this[int index]
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{
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get
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{
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if ( (uint)index >= (uint)_count )
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{
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throw new System.ArgumentOutOfRangeException( nameof( index ) );
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}
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return _buffer[ ( _head + index ) % capacity ];
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}
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}
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} |