57 lines
1.5 KiB
C#
57 lines
1.5 KiB
C#
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 Ptr;
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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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Ptr = 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, Ptr + 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(Ptr++);
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/// <summary>
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/// Sets the value of <see cref="Target"/> at <paramref name="position"/>.
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/// </summary>
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public void Set(long position, T value) => Target.Set(position, value);
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/// <summary>
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/// Sets the value of <see cref="Target"/> at the current <see cref="Ptr"/> location.
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/// </summary>
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public void Set(T value) => Set(Ptr, value);
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/// <summary>
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/// Gets the value of <see cref="Target"/> at <paramref name="position"/>.
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/// </summary>
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public T Get(long position) => Target.Get(position);
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/// <summary>
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/// Gets the value of <see cref="Target"/> at the current <see cref="Ptr"/> location.
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/// </summary>
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public T Get() => Get(Ptr);
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public override string ToString()
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{
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return $"&{Ptr:X4}={Current}";
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}
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}
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