Re: [xml] Parsiing question

[Daniel Veillard <veillard redhat com>]

On Fri, Sep 12, 2008 at 02:40:40PM -0700, Prashanth R wrote:
> Hello,
> I am trying to make use of Libxml's sax interfaces . I however ran into a
> few constraints which I hoped , someone could clear.
>
>
> Following are the constraints
>
> 1. I am porting libxml to a target that does not have C filesystem support.
> In other words, I cannot make use of calls such as
> xmlSAXUserParseFile(FileName)
> Also , I cannot use the same function with the memory option as I do not
> want to load the entire file in memory.
> The only capablity that my platform has is that of a FileStream object that
> can do FILE * like operations such as seek , read etc
>
> 2.  I would want to use SAX to parse my xml
>
> I was looking at the API definition and was wondering if this API
> Function: xmlReadIO

  No that's a tree loading API, not a SAX one.

> Can this API be used in conjunction with the SAX methodology? In other
> words, If i am able to supply the callbacks for read and close , will I
> still be getting SAX callbacks  ( such as StartElement , EndElement etc ).
>
> I was wondering if someone can help me clarify this and provide an example
> usage with SAX.

  I discourage the use of SAX due to the associated complexity and
various troubles with entities support, and suggest you use the reader,
see 
    http://xmlsoft.org/xmlreader.html
and
    http://xmlsoft.org/html/libxml-xmlreader.html#xmlReaderForIO

Daniel

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