Re: [xml] problem in using xmlAddChildList - need help

["William M. Brack" <wbrack mmm com hk>]

My idea would be that either you or I is confused about the
differences between XPath lists, as represented by an xmlNodeSetPtr,
and "list of nodes", as expected by xmlAddChildList.

Bill

Senthil Nathan wrote:
> Any idea on this problem would be really helpful.
>
> Thanks
> Senthil Nathan R
>
>
> On 2/14/08, Senthil Nathan <rsennat gmail com> wrote:
> > Hi All,
> > I'm trying to use xmlAddChildList( ) and seems there is a strange
> > problem
> > in adding this
> > child list to the doctree (xmlDocPtr).
> >
> > here is the code snippet which creates the problem.
> >
> >
> > bool AddChild(const string &path, xmlNodePtr *node*, AddChildType
> > addType)
> > {
> > ...............assume after evaluating the path, i have a
> > xmlNodeSetPtr
> > nodes;
> >     xmlNodePtr pnode = nodes->nodeTab[0];
> >     switch (addType)
> >     {
> >     case eAddNode:
> >         break;
> >     case eAddNodeList:
> > .............assume we have the xmlDocPtr tree;
> >         //xmlElemDump(stdout, tree, pnode); ----> this shows
> > proper data
> > of *node.*
> >         if (xmlAddChildList(pnode, node) == NULL) ----------->
> > this adds
> > the child list but the data is duplicated again for every
> >
> > call of this function with a new nodelist
> >         {
> >             return false;
> >         }
> >         //xmlElemDump(stdout, tree, pnode); ----> this doesnt show
> > proper
> > data of *pnode.
> > *        //xmlFreeNodeList(node);
> >         break;
> >     default:
> >         break;
> >     }
> >     return true;
> > }
> >
> > for example, if I call this function with xmlNodePtr node has the
> > data as,
> > 1st call : <childList1>......</childList1>
> > 2nd call: <childList2>......</childList2>
> > 3rd call: <childList3>......</childList3>
> >
> > now after this execution, the actual docTree has the info as
> > follows,
> > <childList1>......</childList1>
> >  <childList2>......</childList2>
> > <childList1>......</childList1>
> >  <childList3>......</childList3>
> > <childList1>......</childList1>
> >  <childList2>......</childList2>
> > <childList1>......</childList1>
> >
> > but this should have added only once. Somehow the data gets
> > duplicated
> > after
> > xmlAddChildList( ). because the *node contains the proper data*.
> > only the
> > *pnode*
> > *is having the wrong data.*
> >
> > could you please help me on to figure out the problem or fix it.
> >
> > Thanks
> > Senthil Nathan R
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