Module:SortName: Difference between revisions

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This module returns a string in a format suitable as a category sortkey, per WP:NAMESORT.

Input

The module accepts a string as the first and only unnamed parameter, but is meant to be used with no parameter, in which case the title of the calling page is used.

Usage

This module should be subst'd for use in template parameters that accept a sortkey or in the {{DEFAULTSORT}} variable.

• No input (sorts the pages title): {{subst:#invoke:SortName|sortname}}
• With input: {{subst:#invoke:SortName|sortname|input string}}

The above documentation is transcluded from Module:SortName/doc. (edit | history)
Editors can experiment in this module's sandbox (edit | diff) and testcases (edit | run) pages.
Subpages of this module.

local p = {}
 
function p.sortname(frame)
    local currentpage = mw.title.getCurrentTitle()
    local pagetitle = frame.args[1] or currentpage.text
    local langvar = mw.language.getContentLanguage()
    local text1 = ''
    local text2 = ''
    local parts = { 'de','De','von','Von','du','Du','del','Del','zu','Zu','di','Di','van','Van','na','Na' }
    local partmatch = false
    if string.find( pagetitle, ' ' ) ~= nil then
        pagetitle = string.gsub( string.gsub( string.gsub( pagetitle, '%b()', '' ), ' +', ' '), ' $', '' )
        if string.find( pagetitle, '^List of ' ) ~= nil then
            pagetitle =langvar:ucfirst( string.gsub( pagetitle, '^List of ', '', 1 ) )
        else
            pagetitle = string.gsub( pagetitle, ',.*$', '' )
            pagetitle = string.gsub( pagetitle, ' of .*$', '' )
            for i in ipairs( parts ) do
                if string.find( pagetitle, ' ' .. parts[i] .. ' ' ) ~= nil then
                    text1 = string.sub( pagetitle, string.find( pagetitle, ' ' .. parts[i] .. ' ' ) + 1, #pagetitle )
                    text2 = string.sub( pagetitle, 0, string.find( pagetitle, ' ' .. parts[i] .. ' ' ) )
                    pagetitle = text1 .. ', ' .. text2
                   partmatch = true
                    break
                end
            end
            if not partmatch and string.find( pagetitle, ' ' ) ~= nil then
                text1 = string.sub( pagetitle, string.find( pagetitle, ' [^ ]*$' ) + 1, #pagetitle )
                text2 = string.sub( pagetitle, 0, string.find( pagetitle, ' [^ ]*$' ) )
                pagetitle = text1 .. ', ' .. text2
            end
        end
    end
    return pagetitle
end
 
return p