(PureBasic) XML Sort by Content

Demonstrates the SortByContent method.

The input XML, available at http://www.chilkatsoft.com/data/fruitSort2.xml, is this:

<root>
    <fruits>
        <apples>
            <apple>fuji</apple>
            <apple>gala</apple>
            <apple>granny smith</apple>
            <apple>honeycrisp</apple>
            <apple>mcintosh</apple>
        </apples>
        <fruit>banana</fruit>
        <fruit>blackberry</fruit>
        <fruit>blueberry</fruit>
        <fruit>orange</fruit>
        <fruit>pear</fruit>
    </fruits>
</root>

Chilkat PureBasic Module Download Chilkat PureBasic Module

IncludeFile "CkXml.pb"

Procedure ChilkatExample()

    xml.i = CkXml::ckCreate()
    If xml.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    xSortRoot.i

    success.i
    ; The sample input XML is available at http://www.chilkatsoft.com/data/fruitSort2.xml
    success = CkXml::ckLoadXmlFile(xml,"fruitSort2.xml")
    If success <> 1
        Debug CkXml::ckLastErrorText(xml)
        CkXml::ckDispose(xml)
        ProcedureReturn
    EndIf

    ; Sort the direct children under the "fruits" node by tag:
    xSortRoot = CkXml::ckFindChild(xml,"fruits")

    ; Sort in ascending order.
    bAscending.i = 1
    CkXml::ckSortByContent(xSortRoot,bAscending)

    ; Show the result:
    Debug CkXml::ckGetXml(xml)

    ; Note:  The "apples" node contains child nodes, but its 
    ; text content is 0-length (empty).  Therefore, when sorting in
    ; ascending order, it will be positioned before the direct
    ; children containing non-empty content.

    ; <root>
    ;     <fruits>
    ;         <apples>
    ;             <apple>granny smith</apple>
    ;             <apple>gala</apple>
    ;             <apple>fuji</apple>
    ;             <apple>mcintosh</apple>
    ;             <apple>honeycrisp</apple>
    ;         </apples>
    ;         <fruit>banana</fruit>
    ;         <fruit>blackberry</fruit>
    ;         <fruit>blueberry</fruit>
    ;         <fruit>orange</fruit>
    ;         <fruit>pear</fruit>
    ;     </fruits>
    ; </root>

    ; Sort the direct children under the "apples" node:
    success = CkXml::ckFindChild2(xSortRoot,"apples")

    CkXml::ckSortByContent(xSortRoot,bAscending)
    Debug CkXml::ckGetXml(xml)

    ; <root>
    ;     <fruits>
    ;         <apples>
    ;             <apple>fuji</apple>
    ;             <apple>gala</apple>
    ;             <apple>granny smith</apple>
    ;             <apple>honeycrisp</apple>
    ;             <apple>mcintosh</apple>
    ;         </apples>
    ;         <fruit>banana</fruit>
    ;         <fruit>blackberry</fruit>
    ;         <fruit>blueberry</fruit>
    ;         <fruit>orange</fruit>
    ;         <fruit>pear</fruit>
    ;     </fruits>
    ; </root>

    CkXml::ckDispose(xSortRoot)



    CkXml::ckDispose(xml)


    ProcedureReturn
EndProcedure