[fpc-pascal] I need some help with with fcl-xml/xpath

Frank Church vfclists at googlemail.com
Fri Apr 16 22:05:44 CEST 2010

Whenever I try to use EvaluateXPathExpression, I wind up with a SIGSEGV. I
have done my homework and there is a similar report from 2007, [

Are there some examples of its use out there? Googling has not shown any.
I don't mind some other libraries if they are more uptodate. The dates in
the xpath source go back to 2003, but I can't be sure if there have been
some updates over the years.

procedure TutilitiesInterfaceForm.btnTestXPathClick(Sender: TObject);
  XML: TXMLDocument;
  pathString: string;
  xpathValue: TXPathVariable;
  strStream: TStringStream;
  strStream := TStringStream.Create(mmoXML.Text);
  ReadXMLFile(XML, strStream);
  pathString := edtXPath.Text;
  //xpathValue := TXPathVariable.Create;
  xpathValue := EvaluateXPathExpression(pathString, XML);
  edtXPathResult.Text := xpathValue.AsText;

Frank Church

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