Lee Jenkins escreveu:
Frank Church wrote:
I am having some problems with XPath.
EvaluateXPathExpression raises exceptions with some search strings
and I am not sure if it is my limited knowledge of XPath, or a buggy
XPath implementation.
The attached demo uses the example from
http://www.w3schools.com/xpath/xpath_examples.asp and I am running
0.9.28.2 beta on Windows
I'm trying to put together a simple test application for xpath now and
I've noticed, there doesn't seem to be a way in fpc xml implementation
to simply save to a string, an xml document or node.
ReadXML()
ReadXMLFile()
All have no implementation to write a value to a string, only Text,
Stream and File. I have to create an intermediary stream, save it to
that and then convert that to string or use TStringStream in order to
convert them to a string. Odd.
Also the wiki page:
http://wiki.freepascal.org/XML_Tutorial#Create_a_TXMLDocument_from_a_string
May be this can help you:
procedure Str2XmlFile(var XmlTree: TXMLDocument; const S: String);
var
Stream: TStringStream;
begin
Stream := TStringStream.Create(S);
try
ReadXmlFile(XmlTree, Stream);
finally
Stream.Destroy;
end;
end;
Luiz
Is incorrect. The example will error out because the string passed in
is interpreted as a file path, not as a string representation of an
xml document.
--
Warm Regards,
Lee
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