private void LoadSourceChildNodes(XmlDiffViewParentNode parent, XmlReader reader, bool bEmptyElement)
{
LoadState savedLoadState = _loadState;
_loadState.Reset();
// load attributes
while (reader.MoveToNextAttribute())
{
XmlDiffViewAttribute attr;
if (reader.Prefix == "xmlns" ||
(reader.Prefix == string.Empty && reader.LocalName == "xmlns"))
{
attr = new XmlDiffViewAttribute(reader.LocalName, reader.Prefix, reader.NamespaceURI, reader.Value);
if (_bIgnoreNamespaces)
{
attr._op = XmlDiffViewOperation.Ignore;
}
}
else
{
string attrValue = _bIgnoreWhitespace ? NormalizeText(reader.Value) : reader.Value;
attr = new XmlDiffViewAttribute(reader.LocalName, reader.Prefix, reader.NamespaceURI, attrValue);
}
((XmlDiffViewElement)parent).InsertAttributeAfter(attr, _loadState._curLastAttribute);
_loadState._curLastAttribute = attr;
}
// empty element -> return, do not load chilren
if (bEmptyElement)
{
goto End;
}
// load children
while (reader.Read())
{
// ignore whitespaces between nodes
if (reader.NodeType == XmlNodeType.Whitespace)
{
continue;
}
XmlDiffViewNode child = null;
switch (reader.NodeType)
{
case XmlNodeType.Element:
bool bEmptyEl = reader.IsEmptyElement;
XmlDiffViewElement elem = new XmlDiffViewElement(reader.LocalName, reader.Prefix, reader.NamespaceURI, _bIgnorePrefixes);
LoadSourceChildNodes(elem, reader, bEmptyEl);
child = elem;
break;
case XmlNodeType.Attribute:
Debug.Assert(false, "We should never get to this point, attributes should be read at the beginning of thid method.");
break;
case XmlNodeType.Text:
child = new XmlDiffViewCharData((_bIgnoreWhitespace) ? NormalizeText(reader.Value) : reader.Value, XmlNodeType.Text);
break;
case XmlNodeType.CDATA:
child = new XmlDiffViewCharData(reader.Value, XmlNodeType.CDATA);
break;
case XmlNodeType.EntityReference:
child = new XmlDiffViewER(reader.Name);
break;
case XmlNodeType.Comment:
child = new XmlDiffViewCharData(reader.Value, XmlNodeType.Comment);
if (_bIgnoreComments)
{
child._op = XmlDiffViewOperation.Ignore;
}
break;
case XmlNodeType.ProcessingInstruction:
child = new XmlDiffViewPI(reader.Name, reader.Value);
if (_bIgnorePI)
{
child._op = XmlDiffViewOperation.Ignore;
}
break;
case XmlNodeType.SignificantWhitespace:
if (reader.XmlSpace == XmlSpace.Preserve)
{
child = new XmlDiffViewCharData(reader.Value, XmlNodeType.SignificantWhitespace);
if (_bIgnoreWhitespace)
{
child._op = XmlDiffViewOperation.Ignore;
}
}
break;
case XmlNodeType.XmlDeclaration:
child = new XmlDiffViewXmlDeclaration(NormalizeText(reader.Value));
if (_bIgnoreXmlDecl)
{
child._op = XmlDiffViewOperation.Ignore;
}
break;
case XmlNodeType.EndElement:
goto End;
case XmlNodeType.DocumentType:
child = new XmlDiffViewDocumentType(reader.Name, reader.GetAttribute("PUBLIC"), reader.GetAttribute("SYSTEM"), reader.Value);
if (_bIgnoreDtd)
{
child._op = XmlDiffViewOperation.Ignore;
}
break;
default:
Debug.Assert(false, "Invalid node type");
break;
}
parent.InsertChildAfter(child, _loadState._curLastChild, true);
_loadState._curLastChild = child;
}
End:
_loadState = savedLoadState;
}
