119 lines
4.5 KiB
C#
119 lines
4.5 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="ConfigXmlDocument.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//------------------------------------------------------------------------------
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namespace System.Configuration
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{
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using System.Configuration.Internal;
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using System.IO;
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using System.Xml;
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using System.Security.Permissions;
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// ConfigXmlDocument - the default Xml Document doesn't track line numbers, and line
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// numbers are necessary to display source on config errors.
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// These classes wrap corresponding System.Xml types and also carry
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// the necessary information for reporting filename / line numbers.
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// Note: these classes will go away if webdata ever decides to incorporate line numbers
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// into the default XML classes. This class could also go away if webdata brings back
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// the UserData property to hang any info off of any node.
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[PermissionSet(SecurityAction.LinkDemand, Name="FullTrust")]
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public sealed class ConfigXmlDocument : XmlDocument, IConfigErrorInfo {
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XmlTextReader _reader;
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int _lineOffset;
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string _filename;
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int IConfigErrorInfo.LineNumber {
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get {
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if (_reader == null) {
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return 0;
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}
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if (_lineOffset > 0) {
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return _reader.LineNumber + _lineOffset - 1;
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}
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return _reader.LineNumber;
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}
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}
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public int LineNumber { get { return ((IConfigErrorInfo)this).LineNumber; } }
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public string Filename {
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get { return ConfigurationException.SafeFilename(_filename); }
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}
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string IConfigErrorInfo.Filename {
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get { return _filename; }
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}
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public override void Load(string filename) {
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_filename = filename;
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try {
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_reader = new XmlTextReader(filename);
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_reader.XmlResolver = null;
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base.Load(_reader);
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}
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finally {
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if (_reader != null) {
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_reader.Close();
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_reader = null;
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}
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}
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}
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#if UNUSED_CODE
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internal XmlNode ReadConfigNode(string filename, XmlTextReader sourceReader) {
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_filename = filename;
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_reader = sourceReader; // pull line numbers from original reader
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try {
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return base.ReadNode(sourceReader);
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}
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finally {
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_reader = null;
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}
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}
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#endif
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public void LoadSingleElement(string filename, XmlTextReader sourceReader) {
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_filename = filename;
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_lineOffset = sourceReader.LineNumber;
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string outerXml = sourceReader.ReadOuterXml();
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try {
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_reader = new XmlTextReader(new StringReader(outerXml), sourceReader.NameTable);
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base.Load(_reader);
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}
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finally {
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if (_reader != null) {
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_reader.Close();
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_reader = null;
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}
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}
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}
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public override XmlAttribute CreateAttribute( string prefix, string localName, string namespaceUri ) {
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return new ConfigXmlAttribute( _filename, LineNumber, prefix, localName, namespaceUri, this );
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}
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public override XmlElement CreateElement( string prefix, string localName, string namespaceUri) {
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return new ConfigXmlElement( _filename, LineNumber, prefix, localName, namespaceUri, this );
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}
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public override XmlText CreateTextNode(String text) {
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return new ConfigXmlText( _filename, LineNumber, text, this );
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}
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public override XmlCDataSection CreateCDataSection(String data) {
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return new ConfigXmlCDataSection( _filename, LineNumber, data, this );
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}
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public override XmlComment CreateComment(String data) {
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return new ConfigXmlComment( _filename, LineNumber, data, this );
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}
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public override XmlSignificantWhitespace CreateSignificantWhitespace(String data) {
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return new ConfigXmlSignificantWhitespace( _filename, LineNumber, data, this );
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}
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public override XmlWhitespace CreateWhitespace(String data) {
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return new ConfigXmlWhitespace( _filename, LineNumber, data, this );
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}
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}
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}
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