private void LoadTextNode(XmlDiffNode parent, XmlReader reader, PositionInfo pInfo, XmlDiffNodeType nt)
{
LoadTextNode(parent, reader.Value, pInfo, nt);
}
private void SetElementEndPosition(XmlDiffElement elem, PositionInfo pInfo)
{
Debug.Assert(elem != null);
elem.EndLineNumber = pInfo.LineNumber;
elem.EndLinePosition = pInfo.LinePosition;
}
internal void ReadChildNodes(XmlDiffNode parent, XmlReader reader, PositionInfo pInfo)
{
bool lookAhead = false;
do
{
lookAhead = false;
switch (reader.NodeType)
{
case XmlNodeType.Element:
LoadElement(parent, reader, pInfo);
break;
case XmlNodeType.Comment:
if (!IgnoreComments)
{
LoadTextNode(parent, reader, pInfo, XmlDiffNodeType.Comment);
}
break;
case XmlNodeType.ProcessingInstruction:
LoadPI(parent, reader, pInfo);
break;
case XmlNodeType.SignificantWhitespace:
case XmlNodeType.Whitespace:
if (!IgnoreWhitespace)
{
if (this.WhitespaceAsText)
{
LoadTextNode(parent, reader, pInfo, XmlDiffNodeType.Text);
}
else
{
LoadTextNode(parent, reader, pInfo, XmlDiffNodeType.WS);
}
}
break;
case XmlNodeType.CDATA:
if (!CDataAsText)
{
LoadTextNode(parent, reader, pInfo, XmlDiffNodeType.CData);
}
else //merge with adjacent text/CDATA nodes
{
StringBuilder text = new StringBuilder();
text.Append(reader.Value);
while ((lookAhead = reader.Read()) && (reader.NodeType == XmlNodeType.Text || reader.NodeType == XmlNodeType.CDATA))
{
text.Append(reader.Value);
}
LoadTextNode(parent, text.ToString(), pInfo, XmlDiffNodeType.Text);
}
break;
case XmlNodeType.Text:
if (!CDataAsText)
{
LoadTextNode(parent, reader, pInfo, TextNodeIsWhitespace(reader.Value) ? XmlDiffNodeType.WS : XmlDiffNodeType.Text);
}
else //merge with adjacent text/CDATA nodes
{
StringBuilder text = new StringBuilder();
text.Append(reader.Value);
while ((lookAhead = reader.Read()) && (reader.NodeType == XmlNodeType.Text || reader.NodeType == XmlNodeType.CDATA))
{
text.Append(reader.Value);
}
string txt = text.ToString();
LoadTextNode(parent, txt, pInfo, TextNodeIsWhitespace(txt) ? XmlDiffNodeType.WS : XmlDiffNodeType.Text);
}
break;
case XmlNodeType.EntityReference:
LoadEntityReference(parent, reader, pInfo);
break;
case XmlNodeType.EndElement:
SetElementEndPosition(parent as XmlDiffElement, pInfo);
return;
case XmlNodeType.Attribute: //attribute at top level
string attrVal = reader.Name + "=\"" + reader.Value + "\"";
LoadTopLevelAttribute(parent, attrVal, pInfo, XmlDiffNodeType.Text);
break;
default:
break;
}
}while (lookAhead || reader.Read());
}