Re: [xml] xmlTextReaderConstValue

[Daniel Veillard <veillard redhat com>]

On Thu, Jan 04, 2007 at 04:46:53PM -0500, Benyounes, Mohamed wrote:
> Hi,
>
> Here is an example of a xml node I am trying to parse: 
>
> <thisNode>  </thisNode>
>
>  
>
> I am using xmlTextReaderConstValue to read the value of thisNode. The
> problem is that if the node is made of only 1 or more spaces only, this
> function returns a NULL. My question is, is there another function that

  WRONG !

paphio:~/XML -> cat tst.xml
<thisNode>  </thisNode>
paphio:~/XML -> gdb xmllint 
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This GDB was configured as "i386-redhat-linux-gnu"...Using host libthread_db library "/lib/libthread_db.so.1".

(gdb) b xmlTextReaderConstValue
Breakpoint 1 at 0x80efa15: file xmlreader.c, line 3529.
(gdb) r --stream --debug tst.xml
Starting program: /u/veillard/XML/xmllint --stream --debug tst.xml

Breakpoint 1, xmlTextReaderConstValue (reader=0x8732c70) at xmlreader.c:3529
3529        if (reader == NULL)
(gdb) c
Continuing.
0 1 thisNode 0 0

Breakpoint 1, xmlTextReaderConstValue (reader=0x8732c70) at xmlreader.c:3529
3529        if (reader == NULL)
(gdb) finish
Run till exit from #0  xmlTextReaderConstValue (reader=0x8732c70)
    at xmlreader.c:3529
0x0804a6a7 in processNode (reader=0x8732c70) at xmllint.c:1728
1728            value = xmlTextReaderConstValue(reader);
Value returned is $1 = (const xmlChar *) 0x87363f4 "  "
(gdb) 

  on the second node, the #text one, the value returned is the text content
not NULL. I.e. libxml2 operates as expected.

Daniel

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