GoldenCrystal
87 lines
3.9 KiB
C#
87 lines
3.9 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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/// <summary>Represents a collection of name aliases.</summary>
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public struct UnicodeNameAliasCollection : IList<UnicodeNameAlias>
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{
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/// <summary>Represents an enumerator for the <see cref="UnicodeNameAliasCollection"/> class.</summary>
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public struct Enumerator : IEnumerator<UnicodeNameAlias>
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{
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private readonly UnicodeNameAlias[] items;
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private int index;
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/// <summary>Initializes a new instance of the <see cref="Enumerator"/> struct.</summary>
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/// <param name="items">The items to enumerate.</param>
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internal Enumerator(UnicodeNameAlias[] 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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/// <summary>Does nothing.</summary>
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public void Dispose() { }
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/// <summary>Gets the element in the collection at the current position of the enumerator..</summary>
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/// <value>The element in the collection at the current position of the enumerator.</value>
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public UnicodeNameAlias Current { get { return items[index]; } }
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object IEnumerator.Current { get { return Current; } }
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/// <summary>Advances the enumerator to the next element of the collection.</summary>
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/// <returns>true if the enumerator was successfully advanced to the next element; false if the enumerator has passed the end of the collection.</returns>
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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 UnicodeNameAlias[] items;
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/// <summary>Initializes a new instance of the <see cref="UnicodeNameAliasCollection"/> struct.</summary>
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public UnicodeNameAliasCollection() { items = UnicodeNameAlias.EmptyArray; }
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internal UnicodeNameAliasCollection(UnicodeNameAlias[] items) { this.items = items ?? UnicodeNameAlias.EmptyArray; }
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/// <summary>Gets the <see cref="UnicodeNameAlias"/> at the specified index.</summary>
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/// <value>The <see cref="UnicodeNameAlias"/>.</value>
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/// <param name="index">The index.</param>
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/// <returns>The <see cref="UnicodeNameAlias"/> at the specified index.</returns>
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public UnicodeNameAlias this[int index] { get { return items[index]; } }
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UnicodeNameAlias IList<UnicodeNameAlias>.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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/// <summary>Gets the number of elements contained in the <see cref="UnicodeNameAliasCollection"/>.</summary>
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/// <value>The number of elements contained in the <see cref="UnicodeNameAliasCollection"/>.</value>
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public int Count { get { return items.Length; } }
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bool ICollection<UnicodeNameAlias>.IsReadOnly { get { return true; } }
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void ICollection<UnicodeNameAlias>.Add(UnicodeNameAlias item) { throw new NotSupportedException(); }
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void IList<UnicodeNameAlias>.Insert(int index, UnicodeNameAlias item) { throw new NotSupportedException(); }
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bool ICollection<UnicodeNameAlias>.Remove(UnicodeNameAlias item) { throw new NotSupportedException(); }
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void IList<UnicodeNameAlias>.RemoveAt(int index) { throw new NotSupportedException(); }
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void ICollection<UnicodeNameAlias>.Clear() { throw new NotSupportedException(); }
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public int IndexOf(UnicodeNameAlias item) { return Array.IndexOf(items, item); }
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public bool Contains(UnicodeNameAlias item) { return IndexOf(item) >= 0; }
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public void CopyTo(UnicodeNameAlias[] array, int arrayIndex) { items.CopyTo(array, arrayIndex); }
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/// <summary>Returns an enumerator that iterates through the collection.</summary>
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/// <returns>An <see cref="Enumerator"/> that can be used to iterate through the collection.</returns>
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public Enumerator GetEnumerator() { return new Enumerator(items); }
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IEnumerator<UnicodeNameAlias> IEnumerable<UnicodeNameAlias>.GetEnumerator() { return GetEnumerator(); }
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IEnumerator IEnumerable.GetEnumerator() { return GetEnumerator(); }
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}
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}
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