--- In [email protected], "Erwan TROEL" <[EMAIL PROTECTED]> wrote:
> is it possible to access and change entities in dtd
The W3C DOM Level 2 Core models entity nodes as nodes of type 6 and
the XML document should have a property named doctype which should
have a property named entities which is a NamedNodeMap so in theory a
compliant implementation should give access to
document.doctype.entities.item(index)
respectively
document.doctype.entities.getNamedItem('entityname')
but Mozilla for instance does not implement the enities collection so far.
With Adobe SVG viewer 3.0 run in IE 6 the following example however
shows the two entities declared:
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"; [
<!ENTITY GOD "Kibo">
<!ENTITY DEVIL "Xibo">
]>
<svg xmlns="http://www.w3.org/2000/svg";
xml:lang="en"
onload="checkEntities(document);">
<script type="text/javascript"><![CDATA[
function checkEntities (xmlDocument) {
var text = 'Checking for entities:\r\n';
var docTypeDeclaration = xmlDocument.doctype;
if (docTypeDeclaration != null) {
text += 'document.doctype: ' + docTypeDeclaration + '\r\n';
if (docTypeDeclaration.entities != null) {
text += 'Found ' + docTypeDeclaration.entities.length + '\r\n';
for (var i = 0; i < docTypeDeclaration.entities.length; i++) {
var entityDeclaration = docTypeDeclaration.entities.item(i);
text += 'Entity ' + (i + 1) + ': nodeType: ' +
entityDeclaration.nodeType + '; '
+ 'nodeName: ' + entityDeclaration.nodeName + '\r\n';
}
}
else {
text += 'No entities found.\r\n';
}
}
alert(text);
}
]]>
</script>
<text x="50" y="50">&GOD; and &DEVIL;</text>
</svg>
But I don't think the DOM allows changing those entities declared in
the DTD, the DTD is meant to be read only.
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