Re: [xml] How to iterate through...

[Lav Mehrotra]

Nima ,

 

Suppose u have to collect values of all properties ( prop_x ) in line

 

 

<element_x prop_1="value1" prop_2="val2" prop_3="val_3" >

 

Then 1st traverse using DOM Tree , until u encounter a node with
xmlNodePtr->name as same as element_x ( Take the help of xmlStrcmp() API
) . 

Say this node is xmlNodePtr pXmlNodeElemX

 

 

To collect / print all Atrribute /Property Nodes of element_x
use..............

 

if (pXmlNodeElemX->properties )

{

   // Traverse all Attribs of a current XML Node

   xmlAttrPtr pXMLCurrAttrib;

   for (pXMLCurrAttrib = pXmlNodeElemX->properties; pXMLCurrAttrib;
pXMLCurrAttrib = pXMLCurrAttrib ->next)

   {

            printf("\n\nAttribute Name = %s" , pXMLCurrAttrib ->name);

            xmlChar* pszAttrContent =
xmlNodeListGetString(m_ptrXMLDoc,pXMLCurrAttrib->children,1);

            printf("\nAttribute Content = %s\n" , pszAttrContent);

            if (pszAttrContent)

                        xmlFree(pszAttrContent);  

   }

}

 

 

 

Alternatively if u want only value of a particular attribute / property
of Node <element_x> say only prop_2

Use........

 

xmlChar* pszAttrContent = xmlGetProp(pXmlNodeElemX,(const xmlChar*)"
prop_2");

if (pszAttrContent)

    xmlFree(pszAttrContent);  

 

 

-------- Lav

 

 

________________________________

From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
Nima Tiran
Sent: Tuesday, June 10, 2008 5:11 AM
To: xml@gnome.org
Subject: [xml] How to iterate through...

 

I brought a piece of XML file that I'm trying to parse it and somehow I
stuck to find a way to iterate through them and collect the properties
in each line(element) 





I tried to use    print_element_names()  function in sample code but had
no success. I can get the 'element_x' and their properties in first line
below but from that point don't know how to iterate to its nested
element(section_1) and further and collect them all. 





Any help greatly appreciated,





Thanks, 

Nima





<element_x prop_1="value1" prop_2="val2" prop_3="val_3" >

            <section_1>

                        <elem_1 category="&lt;CompanyName>"
qualifier="Is">company1</elem_1 >

                        <elem_2>doc1.pic</elem_2 >

                        < elem_1 category="&lt;CompanyName>"
qualifier="Is">Company2.</elem_1 >

                        < elem_2 >doc2.pic</elem_2 >

                        < elem_1 category="&lt;CompanyName>"
qualifier="Is">Company3</elem_1 >

                        < elem_2 >doc1.pic</elem_2 >

                        < elem_2 >doc3.pic</elem_2 >

            </section_1>

</element_x >

 

 



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