109 lines
2.5 KiB
C#
109 lines
2.5 KiB
C#
//
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// System.Globalization.TextElementEnumerator.cs
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//
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// Author:
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// Dick Porter (dick@ximian.com)
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//
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// (C) 2002 Ximian, Inc.
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// (C) 2004 Novell, Inc.
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//
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//
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// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System.Collections;
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namespace System.Globalization {
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[Serializable]
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[System.Runtime.InteropServices.ComVisible (true)]
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public class TextElementEnumerator: IEnumerator {
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private int index;
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private int elementindex;
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private int startpos;
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private string str;
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private string element;
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/* Hide the .ctor() */
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internal TextElementEnumerator(string str, int startpos) {
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this.index = -1;
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this.startpos = startpos;
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this.str = str.Substring (startpos);
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this.element = null;
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}
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public object Current
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{
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get {
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if (element == null) {
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throw new InvalidOperationException ();
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}
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return(element);
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}
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}
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public int ElementIndex
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{
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get {
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if (element == null) {
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throw new InvalidOperationException ();
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}
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return(elementindex + startpos);
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}
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}
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public string GetTextElement()
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{
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if (element == null) {
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throw new InvalidOperationException ();
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}
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return(element);
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}
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public bool MoveNext()
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{
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elementindex = index + 1;
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if (elementindex < str.Length) {
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element = StringInfo.GetNextTextElement (str, elementindex);
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index += element.Length;
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return(true);
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} else {
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element = null;
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return(false);
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}
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}
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public void Reset()
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{
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element = null;
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index = -1;
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}
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}
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}
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