Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Configuration / System / Configuration / ErrorInfoXmlDocument.cs / 1305376 / ErrorInfoXmlDocument.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Configuration { using System.Configuration.Internal; using System.IO; using System.Xml; using System.Security.Permissions; // ErrorInfoXmlDocument - the default Xml Document doesn't track line numbers, and line // numbers are necessary to display source on config errors. // These classes wrap corresponding System.Xml types and also carry // the necessary information for reporting filename / line numbers. // Note: these classes will go away if webdata ever decides to incorporate line numbers // into the default XML classes. This class could also go away if webdata brings back // the UserData property to hang any info off of any node. internal sealed class ErrorInfoXmlDocument : XmlDocument, IConfigErrorInfo { XmlTextReader _reader; int _lineOffset; string _filename; int IConfigErrorInfo.LineNumber { get { if (_reader == null) { return 0; } if (_lineOffset > 0) { return _reader.LineNumber + _lineOffset - 1; } return _reader.LineNumber; } } internal int LineNumber { get { return ((IConfigErrorInfo)this).LineNumber; } } string IConfigErrorInfo.Filename { get { return _filename; } } public override void Load(string filename) { _filename = filename; try { _reader = new XmlTextReader(filename); _reader.XmlResolver = null; base.Load(_reader); } finally { if (_reader != null) { _reader.Close(); _reader = null; } } } private void LoadFromConfigXmlReader(ConfigXmlReader reader) { IConfigErrorInfo err = (IConfigErrorInfo) reader; _filename = err.Filename; _lineOffset = err.LineNumber + 1; try { _reader = reader; base.Load(_reader); } finally { if (_reader != null) { _reader.Close(); _reader = null; } } } static internal XmlNode CreateSectionXmlNode(ConfigXmlReader reader) { ErrorInfoXmlDocument doc = new ErrorInfoXmlDocument(); doc.LoadFromConfigXmlReader(reader); XmlNode xmlNode = doc.DocumentElement; return xmlNode; } public override XmlAttribute CreateAttribute( string prefix, string localName, string namespaceUri ) { return new ConfigXmlAttribute( _filename, LineNumber, prefix, localName, namespaceUri, this ); } public override XmlElement CreateElement( string prefix, string localName, string namespaceUri) { return new ConfigXmlElement( _filename, LineNumber, prefix, localName, namespaceUri, this ); } public override XmlText CreateTextNode(String text) { return new ConfigXmlText( _filename, LineNumber, text, this ); } public override XmlCDataSection CreateCDataSection(String data) { return new ConfigXmlCDataSection( _filename, LineNumber, data, this ); } public override XmlComment CreateComment(String data) { return new ConfigXmlComment( _filename, LineNumber, data, this ); } public override XmlSignificantWhitespace CreateSignificantWhitespace(String data) { return new ConfigXmlSignificantWhitespace( _filename, LineNumber, data, this ); } public override XmlWhitespace CreateWhitespace(String data) { return new ConfigXmlWhitespace( _filename, LineNumber, data, this ); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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