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Array1DTransformer.cs
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Array1DTransformer.cs
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using System;
using System.Runtime.ConstrainedExecution;
using System.Runtime.InteropServices;
using DotNetTransformer.Extensions;
namespace DotNetTransformer {
[Serializable]
public class Array1DTransformer<T> : IEquatable<Array1DTransformer<T>>, ICloneable
{
private readonly T[] _array;
private bool _flip;
public Array1DTransformer(T[] array) {
if(ReferenceEquals(array, null))
throw new ArgumentNullException("array");
_array = array;
}
#region System.Array members
public int Length { get { return _array.Length; } }
[ComVisible(false)]
public long LongLength { get { return _array.LongLength; } }
public int Rank { get { return _array.Rank; } }
public int GetLength(int dimension) {
return _array.GetLength(dimension);
}
[ComVisible(false)]
public long GetLongLength(int dimension) {
return _array.GetLongLength(dimension);
}
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
public int GetLowerBound(int dimension) {
return _array.GetLowerBound(dimension);
}
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
public int GetUpperBound(int dimension) {
return _array.GetUpperBound(dimension);
}
#endregion // System.Array members
public virtual T this[int i] {
get {
return _array[_flip ? _array.GetUpperBound(0) - i : i];
}
set {
_array[_flip ? _array.GetUpperBound(0) - i : i] = value;
}
}
public virtual void Apply(bool flip) {
_flip ^= flip;
}
public Array1DTransformer<T> Transform(bool flip) {
Array1DTransformer<T> o = Clone();
o.Apply(flip);
return o;
}
public Array1DTransformer<T> Clone() { return (Array1DTransformer<T>)MemberwiseClone(); }
object ICloneable.Clone() { return Clone(); }
public override bool Equals(object o) {
return Equals(o as Array1DTransformer<T>);
}
public virtual bool Equals(Array1DTransformer<T> o) {
return !ReferenceEquals(o, null) && ReferenceEquals(_array, o._array) && (_flip == o._flip);
}
public override int GetHashCode() {
return (_flip ? -1 : 0) ^ _array.GetHashCode();
}
public virtual T[] ToArray() {
return _array.Transform<T>(_flip);
}
public static bool operator ==(Array1DTransformer<T> l, Array1DTransformer<T> r) {
return ReferenceEquals(l, r) || (
!ReferenceEquals(l, null) &&
l.Equals(r)
);
}
public static bool operator !=(Array1DTransformer<T> l, Array1DTransformer<T> r) {
return !(l == r);
}
public static explicit operator T[](Array1DTransformer<T> o) { return o.ToArray(); }
}
}