gistfile1.xml

<xf:action type="xpath">
    for $control-name in string($local/control-name) return (
        (: Set built-in type if needed :)
        if ($local/builtin-type != '') then
            controlOps:updateMip($form, $control-name, 'type',
                concat(
                    if ($local/required = 'true' and not($local/builtin-type = ('listItem', 'listItems', 'dayTimeDuration', 'yearMonthDuration', 'email', 'card-number')))
                    then 'xs:' else 'xf:', $local/builtin-type
                )
            )
        else (),
        (: Set schema type if needed :)
        (: TODO: Handle namespace and prefix for namespace :)
        if ($local/schema-type != '') then
            controlOps:updateMip($form, $control-name, 'type', $local/schema-type) else (),
        (: "required" MIP :)
        controlOps:updateMip($form, $control-name, 'required', for $v in $local/required/string() return if ($v = 'true') then 'true()' else ''),
        (: All other MIPs :)
        for $mip in ('constraint', 'relevant', 'readonly', 'calculate', 'default') return
            controlOps:updateMip($form, $control-name, $mip, $local/*[name() = $mip])
    )
</xf:action>