(MFC) Get XML Attribute Value by Path

Demonstrates how to get an attribute value by path.

Chilkat C/C++ Library Downloads MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#include <CkXml.h>

void ChilkatSample(void)
    {
    CkString strOut;

    // The XML used in this example contains the following:
    // This example will get the value of the "spay-neuter" attribute for each pig.

    // <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>

    CkXml xml;
    bool success = xml.LoadXmlFile("qa_data/xml/twoPigs.xml");

    // Use the ChilkatPath method to return the value of a particular attribute at a given path.
    // A path ending with "(attributeName)" will return the value for the given attribute.
    const char *path = "herd|species|animal[0]|gender|(spay-neuter)";
    const char *attrValue = xml.chilkatPath(path);
    strOut.append("1st pig spay-neuter: ");
    strOut.append(attrValue);
    strOut.append("\r\n");

    path = "herd|species|animal[1]|gender|(spay-neuter)";
    attrValue = xml.chilkatPath(path);
    strOut.append("2nd pig spay-neuter: ");
    strOut.append(attrValue);
    strOut.append("\r\n");

    // We could also do it like this:
    path = "herd|species|animal[i]|gender|(spay-neuter)";
    int i = 0;
    while (i < xml.NumChildrenAt("herd|species")) {
        xml.put_I(i);
        strOut.append("spay-neuter for pig number ");
        strOut.appendInt(i + 1);
        strOut.append(": ");
        strOut.append(xml.chilkatPath(path));
        strOut.append("\r\n");
        i = i + 1;
    }



    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }