Unicode C

Traverse the XML Tree

See more XML Examples

Demonstrates how to traverse all nodes in an XML tree.

Note: This example requires Chilkat v9.5.0.77 or greater.

Unicode C

#include <C_CkXmlW.h>
#include <C_CkStringBuilderW.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkXmlW xml;
    HCkStringBuilderW sbState;

    success = FALSE;

    // Use the NextInTraversal2 method to traverse all nodes in the XML tree rooted at the caller.

    xml = CkXmlW_Create();

    success = CkXmlW_LoadXmlFile(xml,L"qa_data/xml/twoPigs.xml");

    // This is the XML traversed in this example:

    // <pig-rescue>
    //   <herd name="Cathy">
    // 	<species name="pot belly pig">
    // 	    <animal>
    // 	        <name>Molly II</name>
    // 	        <birth>February, 1998</birth>
    // 			<in-date>January, 2000</in-date>
    // 			<from>Middle Ave.</from>
    // 			<gender spay-neuter="yes">F</gender>
    // 			<info>Molly came from a place where an old, ill man had too many animals.
    // 	              	The animals were seldom fed and rats would eat the newborn piglets.
    // 	             	 When Molly was found at one week old, she was the only piglet of 
    // 	              	her siblings who did not get stepped on by a cow. She is a sweet, 
    // 	              	friendly pig who likes to hang out on Cathy's porch on the lounge 
    // 	              	pad.
    // 			</info>
    // 		</animal>
    // 	    <animal>
    // 			<name>Nigel</name>
    // 			<birth>June, 1991</birth>
    // 			<in-date>August, 1991</in-date>
    // 			<from>Breeder</from>
    // 			<gender spay-neuter="no">M</gender>
    // 			<info>
    // 			 	Nigel was the first pig and the reason for the rescue in the
    // 			 	first place. He is 13 now and doing well, but takes a number 
    // 				of medications, as you can see below.
    // 			</info>
    // 		</animal>		
    // 	</species>
    //   </herd>
    // </pig-rescue>

    // The sbState is an object used to keep track of the current state of the traversal.
    sbState = CkStringBuilderW_Create();
    while (CkXmlW_NextInTraversal2(xml,sbState) != FALSE) {

        wprintf(L"%s\n",CkXmlW_tag(xml));
        wprintf(L"%s\n",CkXmlW_tagPath(xml));
        wprintf(L"\n");

    }

    // Produces the following output:

    // herd
    // herd
    // 
    // species
    // herd|species
    // 
    // animal
    // herd|species|animal[0]
    // 
    // name
    // herd|species|animal[0]|name
    // 
    // birth
    // herd|species|animal[0]|birth
    // 
    // in-date
    // herd|species|animal[0]|in-date
    // 
    // from
    // herd|species|animal[0]|from
    // 
    // gender
    // herd|species|animal[0]|gender
    // 
    // info
    // herd|species|animal[0]|info
    // 
    // animal
    // herd|species|animal[1]
    // 
    // name
    // herd|species|animal[1]|name
    // 
    // birth
    // herd|species|animal[1]|birth
    // 
    // in-date
    // herd|species|animal[1]|in-date
    // 
    // from
    // herd|species|animal[1]|from
    // 
    // gender
    // herd|species|animal[1]|gender
    // 
    // info
    // herd|species|animal[1]|info
    // 


    CkXmlW_Dispose(xml);
    CkStringBuilderW_Dispose(sbState);

    }