59 lines
1.6 KiB
C#
59 lines
1.6 KiB
C#
using Qrakhen.Qamp.Core.Collections.Abstractions;
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namespace Qrakhen.Qamp.Core.Collections;
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/// <summary>
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/// Dynamic Pointer able to point to any object implementing the <see cref="IGetSet{long, TValue}"/> interface.
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/// </summary>
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public class Pointer<T>
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{
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protected IGetSet<long, T> Target;
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public long Cursor;
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public T Current {
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get => Get();
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set => Set(value);
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}
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public Pointer(IGetSet<long, T> target, long pointer = 0)
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{
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Target = target;
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Cursor = pointer;
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}
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public Pointer<T> Branch(long delta = 0)
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{
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return new Pointer<T>(Target, Cursor + delta);
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}
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/// <summary>
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/// Returns the next item from <see cref="Target"/> and increases the pointer by 1.
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/// </summary>
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public T Next() => Target.Get(Cursor++);
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/// <summary>
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/// Sets the value of <see cref="Target"/> RELATIVE from the current position (<paramref name="delta"/>).
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/// </summary>
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public void Set(long delta, T value) => Target.Set(Cursor + delta, value);
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/// <summary>
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/// Sets the value of <see cref="Target"/> at the current <see cref="Cursor"/> location.
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/// </summary>
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public void Set(T value) => Set(Cursor, value);
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/// <summary>
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/// Gets the value of <see cref="Target"/> RELATIVE from the current position (<paramref name="delta"/>).
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/// </summary>
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public T Get(long delta) => Target.Get(Cursor + delta);
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/// <summary>
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/// Gets the value of <see cref="Target"/> at the current <see cref="Cursor"/> location.
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/// </summary>
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public T Get() => Get(Cursor);
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public override string ToString()
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{
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return $"&{Cursor:X4}={Current}";
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}
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}
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