public XMLFragmentElement TryParseNode()
{
if (_buffer.EndOfBuffer)
return null;
int startOuterXml = _buffer.Position;
var token = NextToken();
if (token != "<")
throw new XMLFragmentException("Expected \"<\", got "+token);
XMLFragmentElement element = new XMLFragmentElement();
element.Name = NextToken();
while (true)
{
token = NextToken();
if (token == ">")
break;
else if (token == "/") // quick-exit case
{
NextToken();
element.OuterXml = TrimControl(_buffer.Buffer.Substring(startOuterXml, _buffer.Position - startOuterXml)).Trim();
element.InnerXml = "";
return element;
}
else
{
XMLFragmentAttribute attribute = new XMLFragmentAttribute();
attribute.Name = token;
if ((token = NextToken()) != "=")
throw new XMLFragmentException("Expected \"=\", got "+token);
attribute.Value = NextToken();
element.Attributes.Add(attribute);
}
}
while (true)
{
var oldPos = _buffer.Position; // for restoration below
token = NextToken();
if (token == "<")
{
token = PeekToken();
if (token == "/") // finish element
{
NextToken(); // skip the / again
token = NextToken();
NextToken(); // skip >
element.OuterXml = TrimControl(_buffer.Buffer.Substring(startOuterXml, _buffer.Position - startOuterXml)).Trim();
element.InnerXml = TrimTags(element.OuterXml);
if (token != element.Name)
throw new XMLFragmentException("Mismatched element pairs: \""+element.Name+"\" vs \""+token+"\"");
break;
}
else
{
_buffer.Position = oldPos;
element.Elements.Add(TryParseNode());
}
}
else
{
// value, probably
_buffer.Position = oldPos;
element.Value = ReadUntil('<');
}
}
return element;
}
public XMLFragmentElement TryParseNode()
{
if (_buffer.EndOfBuffer)
{
return(null);
}
int startOuterXml = _buffer.Position;
var token = NextToken();
if (token != "<")
{
throw new XMLFragmentException("Expected \"<\", got " + token);
}
XMLFragmentElement element = new XMLFragmentElement();
element.Name = NextToken();
while (true)
{
token = NextToken();
if (token == ">")
{
break;
}
else if (token == "/") // quick-exit case
{
NextToken();
element.OuterXml = TrimControl(_buffer.Buffer.Substring(startOuterXml, _buffer.Position - startOuterXml)).Trim();
element.InnerXml = "";
return(element);
}
else
{
XMLFragmentAttribute attribute = new XMLFragmentAttribute();
attribute.Name = token;
if ((token = NextToken()) != "=")
{
throw new XMLFragmentException("Expected \"=\", got " + token);
}
attribute.Value = NextToken();
element.Attributes.Add(attribute);
}
}
while (true)
{
var oldPos = _buffer.Position; // for restoration below
token = NextToken();
if (token == "<")
{
token = PeekToken();
if (token == "/") // finish element
{
NextToken(); // skip the / again
token = NextToken();
NextToken(); // skip >
element.OuterXml = TrimControl(_buffer.Buffer.Substring(startOuterXml, _buffer.Position - startOuterXml)).Trim();
element.InnerXml = TrimTags(element.OuterXml);
if (token != element.Name)
{
throw new XMLFragmentException("Mismatched element pairs: \"" + element.Name + "\" vs \"" + token + "\"");
}
break;
}
else
{
_buffer.Position = oldPos;
element.Elements.Add(TryParseNode());
}
}
else
{
// value, probably
_buffer.Position = oldPos;
element.Value = ReadUntil('<');
}
}
return(element);
}
