I have an NSXMLParser with a delegate which is just currently printing stuff
out. I have an embedded DTD at the top of the xml I'm feeding it. Here are two
of the implemented delegate methods
-(void)parser:(NSXMLParser *)parser foundAttributeDeclarationWithName:(NSString
*)attributeName forElement:(NSString *)elementName type:(NSString *)type
defaultValue:(NSString *)defaultValue
{
NSLog( @"Parser found attribute declaration for %@ for element %@ type
'%@' defaultValue %@", attributeName, elementName, type, defaultValue );
}
-(void)parser:(NSXMLParser *)parser foundElementDeclarationWithName:(NSString
*)elementName model:(NSString *)model
{
NSLog( @"Parser found element declaration for %@ model '%@'",
elementName, model );
}
however I'm always getting an empty string for type in the first of those two
logs .. and an empty string for model in the second. Here's the top of the XML
going in
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE defined_objects [
<!ELEMENT defined_objects (defined_object)+ >
<!ELEMENT defined_object (segment_list)+ >
<!ELEMENT segment_list (basic_segment|parallel_segment)+ >
... more elements ...
<!ATTLIST defined_object
name ID #REQUIRED
>
... more attributes ...
Here's what I get in the log, and the parse is successful.
2012-11-11 16:27:54.179 [3351:c07] Parser started document
2012-11-11 16:27:54.180 [3351:c07] Parser found element declaration for
defined_objects model ''
2012-11-11 16:27:54.181 [3351:c07] Parser found element declaration for
defined_object model ''
2012-11-11 16:27:54.181 [3351:c07] Parser found element declaration for
segment_list model ''
...
2012-11-11 16:27:54.187 [3351:c07] Parser found attribute declaration for name
for element defined_object type '' defaultValue (null)
I expected that the model string would return "(defined_object)+" and type
would return "ID" in the case of the name attribute. I've implemented every
delegate method, including the text and whitespace ones, those strings don't
turn up anywhere. It's definitely being parsed in some way as, if I put a
syntax error into one of those ELEMENT models, like an extra paren, I get a
parse error. I've messed about a bit adding extra parens and putting the pluses
inside the parens etc but .. no dice.
Is my XML wrong, especially the headers which XML always seems a bit finicky
about, is there a parser option needs setting, an obvious stupid mistake or is
my understanding of what NSXML parser does flawed or is it broken (this on iOS
6.0 by the way)?
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