Lua

XML Sort Records by Content

See more XML Examples

Demonstrates the SortRecordsByContent method.

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

<root>
    <fruits>
        <fruit>
            <name>apple</name>
            <color>red</color>
        </fruit>
        <fruit>
            <name>banana</name>
            <color>yellow</color>
        </fruit>
        <fruit>
            <name>blackberry</name>
            <color>purple</color>
        </fruit>
        <fruit>
            <name>blueberry</name>
            <color>blue</color>
        </fruit>
        <fruit>
            <name>orange</name>
            <color>orange</color>
        </fruit>
        <fruit>
            <name>pear</name>
            <color>green</color>
        </fruit>
    </fruits>
</root>

Lua

local chilkat = require("chilkat")

local xml = chilkat.Xml.new()

-- The sample input XML is available at http://www.chilkatsoft.com/data/fruitRecordsSort.xml
local success = xml:load_xml_file("fruitRecordsSort.xml")
if not success then
    print(xml.last_error_text)
    return
end

-- The "fruit" records are direct children of the "fruits" node.
-- Therefore, to sort the fruit records, the SortRecordsByContent
-- method must be called from the "fruits" node.
local xSortRoot = xml:find_child("fruits")

-- Sort by the "name" field in ascending order.
local bAscending = true
xSortRoot:sort_records_by_content("name", bAscending)

-- Show the result:
print(xml:get_xml())

-- <root>
--     <fruits>
--         <fruit>
--             <name>apple</name>
--             <color>red</color>
--         </fruit>
--         <fruit>
--             <name>banana</name>
--             <color>yellow</color>
--         </fruit>
--         <fruit>
--             <name>blackberry</name>
--             <color>purple</color>
--         </fruit>
--         <fruit>
--             <name>blueberry</name>
--             <color>blue</color>
--         </fruit>
--         <fruit>
--             <name>orange</name>
--             <color>orange</color>
--         </fruit>
--         <fruit>
--             <name>pear</name>
--             <color>green</color>
--         </fruit>
--     </fruits>
-- </root>