(Objective-C) XML Sort by Tag

Demonstrates the SortByTag method.

The input XML, available at http://www.chilkatsoft.com/data/fruitSort1.xml, is this:

<root>
    <fruits>
        <apple>
            <fuji>blah</fuji>
            <gala>blah</gala>
            <grannySmith>blah</grannySmith>
            <honeycrisp>blah</honeycrisp>
            <mcIntosh>blah</mcIntosh>
        </apple>
        <banana>blah</banana>
        <blackberry>blah</blackberry>
        <blueberry>blah</blueberry>
        <orange>blah</orange>
        <pear>blah</pear>
    </fruits>
</root>

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#import <CkoXml.h>

CkoXml *xml = [[CkoXml alloc] init];
CkoXml *xSortRoot = 0;

BOOL success;
// The sample input XML is available at http://www.chilkatsoft.com/data/fruitSort1.xml
success = [xml LoadXmlFile: @"fruitSort1.xml"];
if (success != YES) {
    NSLog(@"%@",xml.LastErrorText);
    return;
}

// Sort the direct children under the "fruits" node by tag:
xSortRoot = [xml FindChild: @"fruits"];

// Sort in ascending order.
BOOL bAscending = YES;
[xSortRoot SortByTag: bAscending];

// Show the result:
NSLog(@"%@",[xml GetXml]);

// <root>
//     <fruits>
//         <apple>
//             <grannySmith>blah</grannySmith>
//             <gala>blah</gala>
//             <fuji>blah</fuji>
//             <mcIntosh>blah</mcIntosh>
//             <honeycrisp>blah</honeycrisp>
//         </apple>
//         <banana>blah</banana>
//         <blackberry>blah</blackberry>
//         <blueberry>blah</blueberry>
//         <orange>blah</orange>
//         <pear>blah</pear>
//     </fruits>
// </root>

// Sort the direct children under the "apple" node:
success = [xSortRoot FindChild2: @"apple"];

[xSortRoot SortByTag: bAscending];
NSLog(@"%@",[xml GetXml]);

// <root>
//     <fruits>
//         <apple>
//             <fuji>blah</fuji>
//             <gala>blah</gala>
//             <grannySmith>blah</grannySmith>
//             <honeycrisp>blah</honeycrisp>
//             <mcIntosh>blah</mcIntosh>
//         </apple>
//         <banana>blah</banana>
//         <blackberry>blah</blackberry>
//         <blueberry>blah</blueberry>
//         <orange>blah</orange>
//         <pear>blah</pear>
//     </fruits>
// </root>