Re: [xmljs-users] Q: catching a DOMException, retrieving line and column

[Simon O. <sim...@we...>]

Hi Dmitry,

I hoped there was a no-code-change solution.
It would be helpful if the parser object is accessible after parsing in 
the next release of XML-for-SCRIPT.
I changed my version of XML-for-SCRIPT already, so that the parser can 
be accessed:

Line 172:

DOMImplementation.prototype.loadXML = function 
DOMImplementation_loadXML(xmlStr) {
  // create SAX Parser
  var parser;

  try {
    parser = new XMLP(xmlStr);
  }
  catch (e) {
    alert("Error Creating the SAX Parser. Did you include xmlsax.js or 
tinyxmlsax.js in your web page?\nThe SAX parser is needed to populate 
XML for <SCRIPT>'s W3C DOM Parser with data.");
  }

  // create DOM Document
  var doc = new DOMDocument(this);

  *this.parser = parser;*

  // populate Document with Parsed Nodes
  this._parseLoop(doc, parser);

  // set parseComplete flag, (Some validation Rules are relaxed if this 
is false)
  doc._parseComplete = true;

  return doc;
};

Ok, I admit, it's a hack ;)

After loadXML has returned I can print a custom error message to my gui.

Greetings

Simon

Dmitry Khudorozhkov schrieb:
> Hi Simon,
>
> there is a line in 'xmlw3cdom.js' file, '_parseLoop' method
> (line 554, it is commented):
>
> // alert("Fatal Error: " + p.getContent() + "\nLine: " + 
> p.getLineNumber() + "\nColumn: " + p.getColumnNumber() + "\n");
>
> By uncommenting this line, you'll get your debug information.
>
> Hope it helps,
>
>  - Dmitry Khudorozhkov, maintainer of XML-for-SCRIPT.
>
> */Simon Ottenhaus <sim...@we...>/* wrote:
>
>     Hi all,
>
>     I'm using the DOMImplementation of XML for to parse
>     user-written xml. So syntax errors are likely.
>
>     My code is:
>     var parser = new DOMImplementation();
>     try {
>     var domDoc = parser.loadXML(sXml);
>     } catch (e) {
>     var sCode = parser.translateErrCode(e.code);
>     }
>
>     How do I retrieve the line and the column where the error occurred?
>
>     The XMLP-parser provides getLineNumber and getColumnNumber, but the
>     parser-object used in xmlw3cdom.js (line 177) cannot be accessed from
>     outside.
>
>     Excuse my english, please ;)
>
>     Greetings
>
>     Simon
>
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