Revision 18626560 of "Module:utilities" on frwiktionary

local languages = mw.loadData("Module:languages")
local export = {}

-- transliterate the text, if possible
function export.translit(lang, text)
    -- TODO: the table's information should be moved to [[Module:languages]]
    local translit_modules = {
        ["ae"] = "Module:Avst-translit",
        ["ady"] = "Module:ady-translit",
        ["el"] = "Module:el-translit",
        ["ru"] = "Module:ru-translit",
        ["ug"] = "Module:ug-translit",
        ["tg"] = "Module:tg-translit",
        ["os"] = "Module:os-translit",
        ["ka"] = "Module:ka-translit",  
        ["xcl"] = "Module:xcl-translit",
        ["axm"] = "Module:axm-translit",
        ["hy"] = "Module:hy-translit"
    }
 
    if translit_modules[lang] then
        return require(translit_modules[lang]).tr(text)
    end
end
 
-- Detect the script based on the first alphabetical characters of a string
function export.detect_script(text, lang)
    local sc_chars = mw.loadData("Module:scripts").sc_chars

    -- first try to detect the script based on the native script(s) of the language
    local scripts = languages[lang].scripts or {}
    for i, script in ipairs(scripts) do
        local script2check = script:gsub(".-%-", "") -- removes the language code from script name, e.g. "nv-Latn" > "Latn"
        if script2check == "Latf" or script2check == "Latinx" or script2check == "unicode" then
            script2check = "Latn"
        end

        if sc_chars[script2check] and mw.ustring.match(text, "[" .. sc_chars[script2check] .. "]") then
            return script
        end
    end
    
    -- not written in native script(s); check for all scripts
    for script, chars in pairs(sc_chars) do
        if mw.ustring.match(text, "[%[%d%p%s]-[" .. chars .. "]") then
            return script
        end
    end
end

-- Format the categories with the appropriate sort key
function export.format_categories(categories, lang, sort_key, sort_base)
    local langinfo = languages[lang] or error("The language code \"" .. lang .. "\" is not valid.")
    NAMESPACE = NAMESPACE or mw.title.getCurrentTitle().nsText
    
    if NAMESPACE == "" or NAMESPACE == "Appendix" then
        PAGENAME = PAGENAME or mw.title.getCurrentTitle().text
        SUBPAGENAME = SUBPAGENAME or mw.title.getCurrentTitle().subpageText
        
        -- Generate a default language-independent sort key
        sort_base = mw.ustring.lower(sort_base or SUBPAGENAME)
        sort_base = mw.ustring.gsub(sort_base, "^[-־ـ*]+(.)",
            "%1")   -- Remove initial hyphens and *
        sort_base = mw.ustring.gsub(sort_base, "%([^()]+%)", "")  -- Remove anything in parentheses
        
        -- If there are language-specific rules to generate the key, use those
        if langinfo.sort_key then
            for i, from in ipairs(langinfo.sort_key.from) do
                local to = langinfo.sort_key.to[i] or ""
                sort_base = mw.ustring.gsub(sort_base, from, to)
            end
        end
        
        if sort_key then
            -- Gather some statistics regarding sort keys
            if mw.ustring.lower(sort_key) == sort_base then
                table.insert(categories, "Sort key tracking/redundant")
            elseif lang ~= "cmn" and lang ~= "ja" and lang ~= "zu" and lang ~= "nan" and lang ~= "yue" then
                if lang == "ga" or lang == "gv" or lang == "nv" or lang == "roa-jer" or lang == "fr" or lang == "rm" or lang == "prg" or lang == "gd" or lang == "twf" or lang == "en" or lang == "ro" or lang == "egl" or lang == "roa-tar" or lang == "gl" or lang == "ast" or lang == "br" then
                    table.insert(categories, "Sort key tracking/needed/" .. lang)
                else
                    table.insert(categories, "Sort key tracking/needed")
                end
            end
        else
            sort_key = sort_base
        end
        
        -- If the resulting key is the same as the wiki software's default, remove it
        if sort_key == PAGENAME then
            sort_key = nil
        end
        
        for key, cat in ipairs(categories) do
            categories[key] = "[[Category:" .. cat .. (sort_key and "|" .. sort_key or "") .. "]]"
        end
        
        return table.concat(categories, "")
    else
        return ""
    end
end

-- Used by {{categorize}}
function export.template_categorize(frame)
    NAMESPACE = NAMESPACE or mw.title.getCurrentTitle().nsText
    local format = frame.args["format"]
    local args = frame:getParent().args
    
    local lang = args[1]
    local sort_key = args["sort"]; if sort_key == "" then sort_key = nil end
    local categories = {}
    
    if lang == "" or lang == nil then
        if NAMESPACE == "Template" then
            lang = "und"
        else
            error("Language code has not been specified. Please pass parameter 1 to the template.")
        end
    end
    
    local langinfo = languages[lang] or error("The language code \"" .. lang .. "\" is not valid.")
    
    local prefix = ""
    if format == "pos" then
        prefix = langinfo.names[1] .. " "
    elseif format == "topic" then
        prefix = lang .. ":"
    end
    
    local i = 2
    local cat = args[i]
    
    while cat do
        if cat ~= "" then
            table.insert(categories, prefix .. cat)
        end
        
        i = i + 1
        cat = args[i]
    end
    
    return export.format_categories(categories, lang, sort_key)
end

return export