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//------------------------------------------------------------------------------
// <copyright file="IXmlLineInfo.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
// <owner current="true" primary="true">Microsoft</owner>
//------------------------------------------------------------------------------
namespace System.Xml {
/// <include file='doc\IXmlLineInfo.uex' path='docs/doc[@for="IXmlLineInfo"]/*' />
public interface IXmlLineInfo {
/// <include file='doc\IXmlLineInfo.uex' path='docs/doc[@for="IXmlLineInfo.HasLineInfo"]/*' />
bool HasLineInfo();
/// <include file='doc\IXmlLineInfo.uex' path='docs/doc[@for="IXmlLineInfo.LineNumber"]/*' />
int LineNumber { get; }
/// <include file='doc\IXmlLineInfo.uex' path='docs/doc[@for="IXmlLineInfo.LinePosition"]/*' />
int LinePosition { get; }
}
#if !SILVERLIGHT
internal class PositionInfo : IXmlLineInfo {
public virtual bool HasLineInfo() { return false; }
public virtual int LineNumber { get { return 0;} }
public virtual int LinePosition { get { return 0;} }
public static PositionInfo GetPositionInfo(Object o) {
IXmlLineInfo li = o as IXmlLineInfo;
if (li != null) {
return new ReaderPositionInfo(li);
}
else {
return new PositionInfo();
}
}
}
internal class ReaderPositionInfo: PositionInfo {
private IXmlLineInfo lineInfo;
public ReaderPositionInfo(IXmlLineInfo lineInfo) {
this.lineInfo = lineInfo;
}
public override bool HasLineInfo() {
return lineInfo.HasLineInfo();
}
public override int LineNumber {
get {
return lineInfo.LineNumber;
}
}
public override int LinePosition {
get {
return lineInfo.LinePosition;
}
}
}
#endif
}// namespace
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