DataFlex

AddAttribute - Insert New Attribute in an XML Node

Demonstrates adding an name=value attribute to an XML element.

This example uses the XML sample file here: sample1.xml. The sample1.xml file contains this content:

DataFlex

Use ChilkatAx-win32.pkg

Procedure Test
    Boolean iSuccess
    Handle hoXml
    Boolean iBFound
    Integer iNumChildren
    Integer i
    String sTemp1

    Move False To iSuccess

    Get Create (RefClass(cComChilkatXml)) To hoXml
    If (Not(IsComObjectCreated(hoXml))) Begin
        Send CreateComObject of hoXml
    End

    Get ComLoadXmlFile Of hoXml "qa_data/xml/sample1.xml" To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoXml To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Navigate to the "books" element:
    Get ComFindChild2 Of hoXml "books" To iBFound
    If (iBFound = False) Begin
        Showln "No books child found!"
        Procedure_Return
    End

    Get ComNumChildren Of hoXml To iNumChildren

    Move 0 To i
    While (i < iNumChildren)

        // Navigate to the Nth book 
        Get ComGetChild2 Of hoXml i To iSuccess

        // Display the book title:
        Get ComGetAttrValue Of hoXml "title" To sTemp1
        Showln sTemp1

        // Add a new integer attribute:
        // Should never fail..
        Get ComAddAttributeInt Of hoXml "bookId" i To iSuccess

        // Add a new unread="yes" attribute:
        Get ComAddAttribute Of hoXml "unread" "yes" To iSuccess

        // Navigate back up to the parent:
        Get ComGetParent2 Of hoXml To iSuccess

        Move (i + 1) To i
    Loop

    // Navigate back to the document root:
    Send ComGetRoot2 To hoXml

    // Save the updated document:
    Get ComSaveXml Of hoXml "modified.xml" To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoXml To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get ComGetXml Of hoXml To sTemp1
    Showln sTemp1


End_Procedure