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List: xerces-p-dev
Subject: Question on using ENTITY's in attribute values when creating DOM elements
From: "Paul Harper" <paulh () ncube ! com>
Date: 2004-11-30 23:11:35
Message-ID: 489AF575469F56438310BBAC733F688A3EEE6F () iris ! ncube ! com
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I'm using Xercesp 2.3.0-1 and am creating a DOMDocument with the following
code (similar to some of the sample code in the distribution):
$impl = XML::Xerces::DOMImplementationRegistry::getDOMImplementation('LS');
$dt = $impl->createDocumentType($PrimaryTagName, '', $DTDURL);
$doc = $impl->createDocument('', $PrimaryTagName, $dt);
This has been working well, but when I added an ENTITY to my DTD that I wanted to
use in an attribute value created with code, I hit a snag. The ENTITY is:
<!ENTITY ver "1.0">
and I wanted to be able to set an attribute as:
$v = $doc->createElement("VersionElem");
$v->setAttribute('version' , '&ver;');
What this produced when serialized was:
<VersionElem version="&ver;"/>
Not what I had hoped for.
I believe that I found the root of the problem in the documentation on the \
createDocumentType method:
'Entity declarations and notations are not made available. Entity reference
expansions and default attribute additions do not occur. It is expected
that a future version of the DOM will provide a way for populating a
DOMDocumentType.'
The documentation for Xerces 2.6 reads the same way.
So, is there another way to insert ENTITY references in attribute values or am I \
stuck until XercesC is updated?
Thanks in advance,
Paul Harper
paulh@ncube.com
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