48 lines
1.4 KiB
C#
48 lines
1.4 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>Allows enumeration of the code points contained in an encapsulated string.</summary>
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/// <remarks>
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/// This enumerable will only allow enumeration of valid UTF-16 strings.
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/// For incomplete or invalid UTF-16 strings, please use <see cref="PermissiveCodePointEnumerable"/> instead.
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/// </remarks>
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public struct CodePointEnumerable : IEnumerable<int>
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{
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private readonly string text;
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/// <summary>Initializes a new instance of the struct <see cref="CodePointEnumerable"/>.</summary>
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/// <param name="text">The string whose code points must be enumerated.</param>
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public CodePointEnumerable(string text)
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{
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if (text == null) throw new ArgumentNullException(nameof(text));
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this.text = text;
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}
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/// <summary>Gets the text whose code points are being enumerated.</summary>
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public string Text { get { return text; } }
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/// <summary>Gets an enumerator which can be used to enumerate the code points in the text.</summary>
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public CodePointEnumerator GetEnumerator()
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{
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return new CodePointEnumerator(text);
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}
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IEnumerator<int> IEnumerable<int>.GetEnumerator()
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{
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return GetEnumerator();
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}
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IEnumerator IEnumerable.GetEnumerator()
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{
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return GetEnumerator();
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}
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}
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}
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