[Boost-users] [Spirit] xml parse tree printing double leaf node

Subject: [Boost-users] [Spirit] xml parse tree printing double leaf node
From: HT4N - (ht4n_at_[hidden])
Date: 2009-10-31 14:29:57

When I generating parse tree and dump it using the built-in tree-to-xml function, even from a simple grammar, I wonder why it prints out the leaf node twice.

 

For instance:

 

Parameter = ParameterName >> ParameterValue;

 

The tree it prints it looks more or less like the following (note the repetition of ParameterName and ParameterValue nodes):

 

<Parameter>

     <ParameterName>

            <ParameterName>

                    <value>Foo</value>

            </ParameterName>

     </ParameterName>

     </ParameterValue>

            <ParameterValue>

                    <value>Bar</value>

            </ParameterValue>

     </ParameterValue>

</Parameter>

     

I would be expecting more something like:

 

<Parameter>

     <ParameterName>

           <value>Foo</value>

     </ParameterName>

     </ParameterValue>

           <value>Bar</value>

     </ParameterValue>

</Parameter>

     

 

Is there any directive or secret that I don't know ?

 

Thanks

 

HT
                                               
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