From bharsha at kodiaknetworks.com  Mon Sep 19 09:27:59 2011
From: bharsha at kodiaknetworks.com (Harsha Billalli)
Date: Mon, 19 Sep 2011 12:57:59 +0530
Subject: [Expat-discuss] Pre-declared entity parsing in Expat
Message-ID: <6B3D985D3827D446B2CBAB549B4A56B904376E84@indiaexchange.inovate.inovate.com>

Hi,

          I am trying to parse the attribute values, with pre-defined
entites embedded in an attribute as shown.

          For Ex: -    "AT&T" is in the XML markup as "AT&amp;T"

But the Expat XML parser is not changing "&amp;" back to "&"
automatically when the document is processed. Also it is considering &
as word delimiter. All in the end I get "AT" as the parsed string.
Basically parser is ignoring characters after & also any special
characters (<,>,',"), even though they are escaped (like &lt; &gt;
&apos; &quot).

 

 

Does pre-declared entity (inside an attribute value) parsing is
supported in Expat? 

 

Thanks,

Harsha

         

         


From anirudh.anu01 at gmail.com  Tue Sep 20 09:01:00 2011
From: anirudh.anu01 at gmail.com (anirudh nair)
Date: Tue, 20 Sep 2011 12:31:00 +0530
Subject: [Expat-discuss] Cross-referencing support
Message-ID: <CAEKYpESwBHWqfz5WSBfs8CFZ+8J13VQ8rfSu+xCsgnO-K9hEOw@mail.gmail.com>

Hi all,

I have a requirement of reading and writing XML that is highly
cross-referenced(within the same XML). So, does Expat support cross
referencing. Basically, I want the below explained functionality.

<classes>
    <data:class id="ENGL6004">
      <title>From Here to Eternity: Studies in the Future
        and other Temporal Genres</title>
      <Teacher>Margaret Doornan</Teacher>
    </data:class>
    <data:class id="HIST6010">
      <title>The You Decade: A History of Finger Pointing
        in Post-War America</title>
      <Teacher>Kelly Griftman</Teacher>
     </data:class>
    <data:class id="ENGL6020">
      <title>Reading between the Lines: The Literature
        of Waiting</title>
      <Teacher>Norbert James</Teacher>
    </data:class>
 </classes>

<students>
    <student Index="0">
      <name>Kelly Griftman</name>
      <year>Senior</year>
      <status>full-time</status>
      <ref:class ref="HIST6010"/>
      <ref:class ref="ENGL6020"/>
    <student>
    <student Index="1">
      <name>Norbert James</name>
      <year>Senior</year>
      <status>full-time</status>
      <ref:class ref="ENGL6004"/>
      <ref:class ref="ENGL6020"/>
    <student>
</students>


So, now if I fetch the node student with Index==1, the node should look like

<student Index="1">
      <name>Norbert James</name>
      <year>Senior</year>
      <status>full-time</status>
      <class id="ENGL6004">
      <title>From Here to Eternity: Studies in the Future
        and other Temporal Genres</title>
      <Teacher>Margaret Doornan</Teacher>
      </class>
      <class id="ENGL6020">
      <title>Reading between the Lines: The Literature
        of Waiting</title>
      <Teacher>Norbert James</Teacher>
      </class>
<student>

Does, Expat provide such a functionality.

Thanks
Anirudh

From lee at novomail.net  Tue Sep 20 16:51:27 2011
From: lee at novomail.net (Lee Passey)
Date: Tue, 20 Sep 2011 08:51:27 -0600 (MDT)
Subject: [Expat-discuss] Cross-referencing support
In-Reply-To: <CAEKYpESwBHWqfz5WSBfs8CFZ+8J13VQ8rfSu+xCsgnO-K9hEOw@mail.gmail.com>
References: <CAEKYpESwBHWqfz5WSBfs8CFZ+8J13VQ8rfSu+xCsgnO-K9hEOw@mail.gmail.com>
Message-ID: <51069.207.14.148.51.1316530287.squirrel@e.passkeysoft.com>

On Tue, September 20, 2011 1:01 am, anirudh nair wrote:

<!-- snip -->

> Does, Expat provide such a functionality?

No; Expat is an XML parser only, not a DOM builder. When Expat calls your
"start element" callback for '<student Index="0">' it has already forgotten
all about '<data:class id="ENGL6004">'.

You /can/ use Expat as the parser portion of a larger application that builds
a DOM tree (I frequently use Expat in conjunction with DOMCAPI
[http://sourceforge.net/projects/domcapi/] to build DOM trees which I can then
query and manipulate) but it is up to you to build whatever internal data
structures you need to capture the XML data that Expat parses. Having built
your own internal data structures, you can then, of course, present them any
way you like.

Cheers,
Lee

From benski at winamp.com  Fri Sep 23 17:13:53 2011
From: benski at winamp.com (Ben Allison)
Date: Fri, 23 Sep 2011 11:13:53 -0400
Subject: [Expat-discuss] Pre-declared entity parsing in Expat
In-Reply-To: <6B3D985D3827D446B2CBAB549B4A56B904376E84@indiaexchange.inovate.inovate.com>
References: <6B3D985D3827D446B2CBAB549B4A56B904376E84@indiaexchange.inovate.inovate.com>
Message-ID: <0502c56c9f1799a21c01c2cb69724647.squirrel@mail.winamp.com>

It sounds as if you are not handling the possibility of multiple character
callbacks from within the same element

> Hi,
>
>           I am trying to parse the attribute values, with pre-defined
> entites embedded in an attribute as shown.
>
>           For Ex: -    "AT&T" is in the XML markup as "AT&amp;T"
>
> But the Expat XML parser is not changing "&amp;" back to "&"
> automatically when the document is processed. Also it is considering &
> as word delimiter. All in the end I get "AT" as the parsed string.
> Basically parser is ignoring characters after & also any special
> characters (<,>,',"), even though they are escaped (like &lt; &gt;
> &apos; &quot).
>
>
>
>
>
> Does pre-declared entity (inside an attribute value) parsing is
> supported in Expat?
>
>
>
> Thanks,
>
> Harsha
>
>
>
>
>
> _______________________________________________
> Expat-discuss mailing list
> Expat-discuss at libexpat.org
> http://mail.libexpat.org/mailman/listinfo/expat-discuss
>