private void ReadAttributes( XPathElement parent, XmlReader reader ) {
XPathNamespace last = null;
while(reader.MoveToNextAttribute()) {
documentIndex++;
if ((object)reader.NamespaceURI == (object)xmlnsUri) {
XPathNamespace tmp = new XPathNamespace(reader.Prefix == string.Empty ? string.Empty : reader.LocalName, reader.Value, documentIndex);
tmp.next = last;
last = tmp;
}
else {
parent.AppendAttribute(new XPathAttribute(reader.Prefix, reader.LocalName, reader.NamespaceURI, reader.Value, documentIndex));
if (htElementIdMap != null) {
Object attrname = htElementIdMap[new XmlQualifiedName(parent.Name, parent.Prefix)] ;
if (attrname != null && new XmlQualifiedName(reader.Name, reader.Prefix).Equals(attrname)) {
if (htElementIDAttrDecl[reader.Value] == null) {
htElementIDAttrDecl.Add(reader.Value, parent);
}
}
}
}
}
if (last != null) {
parent.AppendNamespaces(last);
}
}
private void ReadChildNodes( XPathContainer parent, string parentBaseUri, XmlReader reader, PositionInfo positionInfo ) {
do {
documentIndex++;
switch( reader.NodeType ) {
case XmlNodeType.Element: {
string baseUri = reader.BaseURI;
XPathElement e = null;
if( reader.IsEmptyElement ) {
e = new XPathEmptyElement( reader.Prefix, reader.LocalName, reader.NamespaceURI, positionInfo.LineNumber, positionInfo.LinePosition, parent.topNamespace, documentIndex );
ReadAttributes( e, reader );
}
else {
e = new XPathElement( reader.Prefix, reader.LocalName, reader.NamespaceURI, positionInfo.LineNumber, positionInfo.LinePosition, parent.topNamespace, documentIndex );
ReadAttributes( e, reader );
reader.Read();
ReadChildNodes( e, baseUri, reader, positionInfo );
}
if (parentBaseUri != baseUri) {
// We can't user Ref.Equial Because Reader fails to fully atomize base Uri.
if (elementBaseUriMap == null) {
elementBaseUriMap = new Hashtable();
}
elementBaseUriMap[e] = baseUri;
}
parent.AppendChild( e );
break;
}
case XmlNodeType.Comment:
parent.AppendChild( new XPathComment( reader.Value, documentIndex ) );
break;
case XmlNodeType.ProcessingInstruction:
parent.AppendChild( new XPathProcessingInstruction( reader.LocalName, reader.Value, documentIndex ) );
break;
case XmlNodeType.SignificantWhitespace:
if( reader.XmlSpace == XmlSpace.Preserve ) {
parent.AppendSignificantWhitespace( reader.Value, positionInfo.LineNumber, positionInfo.LinePosition, documentIndex );
}
else {
// SWS without xml:space='preserve' is not really significant for XPath.
// so we treat it as just WS
goto case XmlNodeType.Whitespace;
}
break;
case XmlNodeType.Whitespace:
if( space == XmlSpace.Preserve ) {
parent.AppendWhitespace( reader.Value, positionInfo.LineNumber, positionInfo.LinePosition, documentIndex );
}
break;
case XmlNodeType.CDATA:
case XmlNodeType.Text:
parent.AppendText( reader.Value, positionInfo.LineNumber, positionInfo.LinePosition, documentIndex );
break;
case XmlNodeType.EntityReference:
reader.ResolveEntity();
reader.Read();
ReadChildNodes( parent, parentBaseUri, reader, positionInfo);
break;
case XmlNodeType.EndEntity:
case XmlNodeType.EndElement:
case XmlNodeType.None:
return;
case XmlNodeType.DocumentType:
XmlValidatingReader vr = reader as XmlValidatingReader;
if ( vr != null ) {
SchemaInfo info = vr.GetSchemaInfo();
if ( info != null ) {
GetIDInfo( info);
}
}
break;
case XmlNodeType.XmlDeclaration:
default:
break;
}
}while( reader.Read() );
}
