Re: [Tclxml-users] Possible bug with xml default namespace serialization?

[Steve M. <st...@re...>]

Thanks!

Yes, this problem happens in both the 2.6 and 3.0b1 versions of the 
pure-Tcl parser.  It does not happen with the 3.0b1 Combined Binary 
Packages available on the tclxml project page.

Thx, Steve

Steve Ball wrote:

> Looks like a bug to me.  I'll make sure the test suite has a test case
> for this situation.
>
> Given your previous post, I assume you're using 3.0b1?
> The pure-Tcl implementation?
>
> Cheers,
> Steve Ball
>
> On 05/01/2004, at 11:59, Steve McMillen wrote:
>
>> I am seeing behavior which I do not expect but I'm not positive its a 
>> bug.  If I serialize an XML document with a default namespace (e.g. 
>> xmlns="some-uri"), I get an null namespace in the output elements 
>> (e.g. <:tag> instead of <tag>).
>>
>> For example, I parse the following XML using dom::parse
>>
>> <rootnode xmlns="http://myuri">
>>   <tag>value</tag>
>> </rootnode>
>>
>> Then I serialize the dom with dom::serialize, I get the following:
>>
>> <?xml version='1.0'?>
>> <!DOCTYPE :rootnode>
>> <:rootnode xmlns:="http://myuri">
>>   <:tag1>value</:tag1>
>> </:rootnode>
>>
>> Note the semicolon before the element names.  I did not expect this 
>> semicolon to be included.
>>
>> Am I defining my XML document incorrectly?  It was my understanding 
>> that the default namespace (xmlns w/o any suffix) was the namespace 
>> for any element that did not have an explicit namespace attached.  I 
>> would expect the output from the serialize function to be identical 
>> to the input in this case.
>>
>> I made a tweak to the dom library as follows which results in the 
>> behavior I desired:
>> Change line 2851 in dom.tcl (tcldom 3.0b1) from:
>>        } elseif {[string length $node(node:namespaceURI)]} {
>> to:
>>        } elseif {[string length $node(node:namespaceURI)] && \
>>           [string length [GetNamespacePrefix $token 
>> $node(node:namespaceURI)]]} {
>>
>> * This does not fix the printing of the xmlns attribute in the root 
>> element and the DOCTYPE.
>>
>> but I'm not sure if this is the right thing to do.  Essentially my 
>> goal was that if the xmlns prefix is null, then don't prepend.  There 
>> might be a more appropriate place to handle this thought (if indeed I 
>> am using XML correctly).
>>
>> If needed, let me know and I'll log a bug.
>>
>> Thx, Steve
>>
>>
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