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PositionXmlDocument.cs
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PositionXmlDocument.cs
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// Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using System.Xml;
namespace ICSharpCode.WpfDesign.XamlDom
{
// SuppressMessage justification: we're just adding position info to XmlDocument and don't want to fix
// any of it's other issues.
/// <summary>
/// Class derived from System.Xml.XmlDocument that remembers line/column information for elements and attributes
/// when loading from a <see cref="XmlTextReader"/> or other <see cref="IXmlLineInfo"/>-implementing reader.
/// </summary>
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1010:CollectionsShouldImplementGenericInterface")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1058:TypesShouldNotExtendCertainBaseTypes")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1710:IdentifiersShouldHaveCorrectSuffix")]
public class PositionXmlDocument : XmlDocument
{
IXmlLineInfo lineInfo; // a reference to the XmlReader, only set during load time
/// <summary>
/// Creates a PositionXmlElement.
/// </summary>
public override XmlElement CreateElement(string prefix, string localName, string namespaceURI)
{
return new PositionXmlElement(prefix, localName, namespaceURI, this, lineInfo);
}
/// <summary>
/// Creates a PositionXmlAttribute.
/// </summary>
public override XmlAttribute CreateAttribute(string prefix, string localName, string namespaceURI)
{
return new PositionXmlAttribute(prefix, localName, namespaceURI, this, lineInfo);
}
/// <summary>
/// Loads the XML document from the specified <see cref="XmlReader"/>.
/// </summary>
public override void Load(XmlReader reader)
{
lineInfo = reader as IXmlLineInfo;
try {
base.Load(reader);
} finally {
lineInfo = null;
}
}
}
/// <summary>
/// XML Element with line/column information.
/// </summary>
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1010:CollectionsShouldImplementGenericInterface")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1710:IdentifiersShouldHaveCorrectSuffix")]
public class PositionXmlElement : XmlElement, IXmlLineInfo
{
internal PositionXmlElement (string prefix, string localName, string namespaceURI, XmlDocument doc, IXmlLineInfo lineInfo)
: base(prefix, localName, namespaceURI, doc)
{
if (lineInfo != null) {
this.lineNumber = lineInfo.LineNumber;
this.linePosition = lineInfo.LinePosition;
this.hasLineInfo = true;
}
}
int lineNumber;
int linePosition;
bool hasLineInfo;
/// <summary>
/// Gets whether the element has line information.
/// </summary>
public bool HasLineInfo()
{
return hasLineInfo;
}
/// <summary>
/// Gets the line number.
/// </summary>
public int LineNumber {
get { return lineNumber; }
}
/// <summary>
/// Gets the line position (column).
/// </summary>
public int LinePosition {
get { return linePosition; }
}
}
/// <summary>
/// XML Attribute with line/column information.
/// </summary>
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1711:IdentifiersShouldNotHaveIncorrectSuffix")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1710:IdentifiersShouldHaveCorrectSuffix")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1010:CollectionsShouldImplementGenericInterface")]
public class PositionXmlAttribute : XmlAttribute, IXmlLineInfo
{
internal PositionXmlAttribute (string prefix, string localName, string namespaceURI, XmlDocument doc, IXmlLineInfo lineInfo)
: base(prefix, localName, namespaceURI, doc)
{
if (lineInfo != null) {
this.lineNumber = lineInfo.LineNumber;
this.linePosition = lineInfo.LinePosition;
this.hasLineInfo = true;
}
}
int lineNumber;
int linePosition;
bool hasLineInfo;
/// <summary>
/// Gets whether the element has line information.
/// </summary>
public bool HasLineInfo()
{
return hasLineInfo;
}
/// <summary>
/// Gets the line number.
/// </summary>
public int LineNumber {
get { return lineNumber; }
}
/// <summary>
/// Gets the line position (column).
/// </summary>
public int LinePosition {
get { return linePosition; }
}
}
}