Re: byte offset

2009/9/18 Michael Ludwig <[email protected]>:
> subs subs schrieb:
>>
>> Iam parsing an  xml document using XML::SAX. I would like to know how
>> to get the offset position of an element while parsing. Basically, I
>> want to get the offset of every occurence of a particular element in
>> my xml file.
>
> Referring you to the answer Daniel Veillard gave to a similar question
> on the LibXML2 list:
>
> Gnome - Lib - Xml - General - Getting the offset of a node in the stream
> http://www.nabble.com/Getting-the-offset-of-a-node-in-the-stream-td24864815.html
>
>   "All you can get is at what point the parser is at that given time. If
>   using SAX (which I don't suggest) then you get something relatively
>   precise, but it can be extremely costly. For the reader it progresses
>   by chunk and what you get is the end of the latest parsed chunk (hence
>   ahread of the current node).
>
>   In general looking for the offset is just the wrong way to proceed,
>   XML is structured data, and the best addressing parttern is tu use the
>   structure (XPath/XPointer), anything else will give poor or costly/
>   unprecise results."
>
> Like Daniel, I'd recommend XML::Reader over XML::SAX. It's easier.

Michael, did you really mean XML::Reader or rather XML::LibXML::Reader?

-- Petr
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