GoldenCrystal
71 lines
2.1 KiB
C#
71 lines
2.1 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace System.Unicode
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{
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public struct UnicodeCrossReferenceCollection : IList<int>
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{
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private static int[] EmptyArray = new int[0];
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public struct Enumerator : IEnumerator<int>
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{
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private readonly int[] items;
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private int index;
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internal Enumerator(int[] items)
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{
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this.items = items;
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this.index = -1;
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}
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public void Dispose() { }
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public int Current { get { return items[index]; } }
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object IEnumerator.Current { get { return Current; } }
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public bool MoveNext() { return index < items.Length && ++index < items.Length; }
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void IEnumerator.Reset() { this.index = -1; }
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}
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private readonly int[] items;
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public UnicodeCrossReferenceCollection() { items = EmptyArray; }
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internal UnicodeCrossReferenceCollection(int[] items) { this.items = items ?? EmptyArray; }
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public int this[int index] { get { return items[index]; } }
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int IList<int>.this[int index]
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{
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get { return items[index]; }
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set { throw new NotSupportedException(); }
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}
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public int Count { get { return items.Length; } }
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bool ICollection<int>.IsReadOnly { get { return true; } }
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void ICollection<int>.Add(int item) { throw new NotSupportedException(); }
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void IList<int>.Insert(int index, int item) { throw new NotSupportedException(); }
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bool ICollection<int>.Remove(int item) { throw new NotSupportedException(); }
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void IList<int>.RemoveAt(int index) { throw new NotSupportedException(); }
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void ICollection<int>.Clear() { throw new NotSupportedException(); }
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public int IndexOf(int item) { return Array.IndexOf(items, item); }
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public bool Contains(int item) { return IndexOf(item) >= 0; }
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public void CopyTo(int[] array, int arrayIndex) { items.CopyTo(array, arrayIndex); }
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public Enumerator GetEnumerator() { return new Enumerator(items); }
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IEnumerator<int> IEnumerable<int>.GetEnumerator() { return GetEnumerator(); }
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IEnumerator IEnumerable.GetEnumerator() { return GetEnumerator(); }
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}
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}
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