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(MFC) Demonstrates the ChilkatPath XML Method

Demonstrates how to use the ChilkatPath method. This example uses the XML sample file pigs.xml. The pigs.xml file contains this content:

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;

    CkXml xml;

    bool success = xml.LoadXmlFile("qa_data/xml/pigs.xml");
    if (success != true) {
        strOut.append(xml.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Get the content of the "species" node for the 1st animal:
    const char *result = 0;
    result = xml.chilkatPath("animal|species|*");
    // Output should be "pot belly pig"
    strOut.append(result);
    strOut.append("\r\n");

    // Get the content of the "type" node for the 2nd animal:
    // Indexing begins at 0.  Therefore, the 2nd direct child having
    // the tag "animal" is at index 1
    result = xml.chilkatPath("animal[1]|type|*");
    // Output should be "House Pig"
    strOut.append(result);
    strOut.append("\r\n");

    // Find the pig having the name "Nigel" and display the
    // birth date.  To do this, we&apos;ll navigate to the node having
    // tag="name" with the exact content "Nigel", then navigate up, 
    // and finally navigate back down to the "birth" node:
    result = xml.chilkatPath("/C/name,Nigel|..|birth|*");
    // Output should be "June, 1991"
    strOut.append(result);
    strOut.append("\r\n");

    // Navigate to the 1st animal&apos;s picture and print the filename,
    // description, and caption.
    // The "$" updates the caller&apos;s internal pointer to reference
    // the node that is the result of evaluating the path.
    // An empty string is returned for success, and a NULL/nil/0
    // pointer (reference) is returned on failure.  
    result = xml.chilkatPath("animal|picture|$");
    if (xml.get_LastMethodSuccess() != true) {
        strOut.append("Failed to navigate to animal|picture.");
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Display the contents of the file/description/caption child nodes
    strOut.append("Picture Info:");
    strOut.append("\r\n");
    strOut.append(xml.getChildContent("file"));
    strOut.append("\r\n");
    strOut.append(xml.getChildContent("description"));
    strOut.append("\r\n");
    strOut.append(xml.getChildContent("caption"));
    strOut.append("\r\n");

    // Return back to the root of the XML document:
    xml.GetRoot2();

    // Display the value of the "spay-neuter" attribute of the 1st animal:
    strOut.append("----");
    strOut.append("\r\n");
    result = xml.chilkatPath("animal|gender|(spay-neuter)");
    strOut.append(result);
    strOut.append("\r\n");


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }

 

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