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From Jose Alberto Fernandez <JFernan...@viquity.com>
Subject RE: Content in tags
Date Sat, 09 Dec 2000 02:24:13 GMT
> From: Peter Donald [mailto:donaldp@apache.org]
> 
> 
> At 09:34  8/12/00 +0100, Stefan Bodewig wrote:
> >>>My first thought was to enforce order here - force the user to
> >>>always add the child elements first for example - but I 
> realize that
> >>>you cannot constrain the order for elements with mixed content. You
> >>>cannot do that in a DTD but we could make that a rule in 
> Ant, though
> >>>I'm not sure the XML parser would expose this to Ant.
> >> 
> >> You can force order by just throwing a SAXException in the handler
> >> thats not a problem but that approach feels very unnatural to me.
> >
> >Sure? AFAIK, it is not defined whether characters() will be invoked
> >once for all content or several times, that's why I'm not sure you'd
> >recognize whether content came before or after child elements.
> 
> well its the way the parser I use behaves ;) Heres the 
> documentation from
> SAX ContentHandler (SAX2) so I assume that in SAX2 at least 
> it is true.
> Thou I would expect it to be or else you would have 
> difficulty using it for
> HTML DOM implementations.
> 
>      * <p>The Parser will call this method to report each chunk of
>      * character data.  SAX parsers may return all contiguous 
> character
>      * data in a single chunk, or they may split it into several
>      * chunks; however, all of the characters in any single event
>      * must come from the same external entity so that the Locator
>      * provides useful information.</p>

Do we manage this correctly today? If the parser sends two consecutive
chunks because of buffering, how many call to addText() do we do? 1 or 2.
I think we do 2. So what happens if I write a very long <script> or <echo>
who is in charge of putting all the chunks together?

Jose Alberto

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