Tcl

XML Sort by Tag

See more XML Examples

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>

Tcl

load ./chilkat.dll

set success 0

set xml [new_CkXml]

# xSortRoot is a CkXml

# The sample input XML is available at http://www.chilkatsoft.com/data/fruitSort1.xml
set success [CkXml_LoadXmlFile $xml "fruitSort1.xml"]
if {$success != 1} then {
    puts [CkXml_lastErrorText $xml]
    delete_CkXml $xml
    exit
}

# Sort the direct children under the "fruits" node by tag:
set xSortRoot [CkXml_FindChild $xml "fruits"]

# Sort in ascending order.
set bAscending 1
CkXml_SortByTag $xSortRoot $bAscending

# Show the result:
puts [CkXml_getXml $xml]

# <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:
set success [CkXml_FindChild2 $xSortRoot "apple"]

CkXml_SortByTag $xSortRoot $bAscending
puts [CkXml_getXml $xml]

# <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>

delete_CkXml $xSortRoot


delete_CkXml $xml