Module:etymology
Documentation for this module may be created at Module:etymology/doc
local export = {}
-- For testing
local force_cat = false
--[[ If language is an etymology language, iterates through parent languages
until it finds a non-etymology language. ]]
--FIXME: Callers of this should use [[Module:languages]] directly.
function export.getNonEtymological(lang)
if lang:getType() == "etymology language" then
return require("Module:languages").getNonEtymological(lang)
end
return lang
end
local function term_error(terminfo)
if terminfo.lang:getType() == "family" then
if terminfo.term and terminfo.term ~= "-" then
require("Module:debug/track")("etymology/family/has-term")
end
terminfo.term = "-"
end
return terminfo
end
local function create_link(terminfo, template_name)
local link = ""
if terminfo.term == "-" then
--[=[
[[Special:WhatLinksHere/Template:tracking/cognate/no-term]]
[[Special:WhatLinksHere/Template:tracking/derived/no-term]]
[[Special:WhatLinksHere/Template:tracking/borrowed/no-term]]
[[Special:WhatLinksHere/Template:tracking/calque/no-term]]
]=]
require("Module:debug/track")(template_name .. "/no-term")
else
-- mw.log(terminfo.term)
link = " " .. require("Module:links").full_link(terminfo, "term", true)
end
return link
end
function export.process_and_create_link(terminfo, template_name)
terminfo.lang = export.getNonEtymological(terminfo.lang)
terminfo = term_error(terminfo)
return create_link(terminfo, template_name or "derived")
end
function export.get_display_and_cat_name(source, raw)
local display, cat_name
if source:getCode() == "und" then
display = "undetermined"
cat_name = "other languages"
elseif source:getCode() == "mul" then
display = "[[w:Translingualism|translingual]]"
cat_name = "Translingual"
elseif source:getCode() == "mul-tax" then
display = "[[w:taxonomic name|taxonomic name]]"
cat_name = "taxonomic names"
else
display = raw and source:getCanonicalName() or source:makeWikipediaLink()
cat_name = source:getDisplayForm()
end
return display, cat_name
end
function export.insert_source_cat_get_display(categories, lang, source, raw, nocat)
local display, cat_name = export.get_display_and_cat_name(source, raw)
if lang and not nocat then
-- Add the category, but only if there is a current language
if not categories then
categories = {}
end
if lang:getCode() == source:getCode() then
table.insert(categories, lang:getCanonicalName() .. " twice-borrowed terms")
else
table.insert(categories, lang:getCanonicalName() .. " terms derived from " .. cat_name)
end
end
return display, categories
end
-- FIXME: rename to format_source()
function export.format_etyl(lang, source, sort_key, categories, nocat)
-- [[Special:WhatLinksHere/Template:tracking/etymology/sortkey]]
if sort_key then
require("Module:debug/track")("etymology/sortkey")
end
local display
display, categories = export.insert_source_cat_get_display(categories, lang, source, false, nocat)
if lang and not nocat then
-- Format categories, but only if there is a current language; {{cog}} currently gets no categories
categories = require("Module:utilities").format_categories(categories, lang, sort_key, nil, force_cat)
else
categories = ""
end
return "<span class=\"etyl\">" .. display .. categories .. "</span>"
end
-- Internal implementation of {{cognate|...}} template
function export.format_cognate(terminfo, sort_key)
return export.format_derived(nil, terminfo, sort_key, nil, "cognate")
end
-- Internal implementation of {{derived|...}} template
function export.format_derived(lang, terminfo, sort_key, nocat, template_name)
local source = terminfo.lang
return export.format_etyl(lang, source, sort_key, nil, nocat) .. export.process_and_create_link(terminfo, template_name)
end
-- Return true if `lang` has `otherlang` (which may be an etymology-only language) as an ancestor. This includes
-- cases such as Italian -> Old Italian, which is an etymology-only language whose "parent" is Italian but which is
-- marked as "ancestral to parent". `non_etym_otherlang` is the non-etymology-language equivalent of `otherlang`.
-- If `otherlang` is not an etymology-only language, the two will be the same.
local function has_ancestor(lang, otherlang, non_etym_otherlang)
-- First check if `lang` has (the non-etymology-language parent of) `otherlang` as its ancestor. If `lang` is e.g.
-- Italian and `otherlang` is Latin, this will be caught here. If `lang` is Italian and `otherlang` is Vulgar Latin
-- (an etymology-only language whose parent is Latin), this will also be caught here, as we use the
-- non-etymology-language parent, in this case Latin, when checking the ancestor hierarchy.
if lang:hasAncestor(non_etym_otherlang) then
return true
end
-- Second check for the Italian -> Old Italian case. This happens when (a) `otherlang` is etymology-only,
-- (b) `otherlang` is marked as "ancestral to parent", (c) `otherlang`'s parent is the same as `lang`. This is not
-- caught above because Italian is not ancestral to Italian.
if otherlang:getType() == "etymology language" and otherlang:isAncestralToParent() then
local otherlang_parent = export.getNonEtymological(otherlang)
if otherlang_parent and otherlang_parent:getCode() == lang:getCode() then
return true
end
end
return false
end
-- Check that `lang` has `otherlang` (which may be an etymology-only language) as an ancestor. Throw an error if not.
local function check_ancestor(lang, otherlang, non_etym_otherlang)
if not has_ancestor(lang, otherlang, non_etym_otherlang) and mw.title.getCurrentTitle().nsText ~= "Template" then
-- Generate the non-ancestor error message.
local function showLanguage(lang)
local retval = ("%s (%s)"):format(lang:makeCategoryLink(), lang:getCode())
if lang:getType() == "etymology language" then
retval = retval .. (" (an etymology-only language whose regular parent is %s)"):format(
showLanguage(export.getNonEtymological(lang)))
end
return retval
end
local postscript
local ancestors = lang:getAncestors()
local moduleLink = "[[Module:"
.. require("Module:languages").getDataModuleName(lang:getCode())
.. "]]"
if not ancestors[1] then
postscript = showLanguage(lang) .. " has no ancestors."
else
local ancestorList = table.concat(
require("Module:fun").map(
showLanguage,
ancestors),
" and ")
postscript = ("The ancestor%s of %s %s %s."):format(
ancestors[2] and "s" or "", lang:getCanonicalName(),
ancestors[2] and "are" or "is", ancestorList)
end
error(("%s is not set as an ancestor of %s in %s. %s")
:format(showLanguage(otherlang), showLanguage(lang), moduleLink, postscript))
end
end
-- Internal implementation of {{inherited|...}} template
function export.format_inherited(lang, terminfo, sort_key, nocat)
local source = terminfo.lang
local categories = {}
if not nocat then
table.insert(categories, lang:getCanonicalName() .. " terms inherited from " .. source:getCanonicalName())
end
local link = export.process_and_create_link(terminfo, "inherited")
check_ancestor(lang, source, terminfo.lang)
return export.format_etyl(lang, source, sort_key, categories, nocat) .. link
end
function export.insert_borrowed_cat(categories, lang, source)
local category
if lang:getCode() == source:getCode() then
category = " twice-borrowed terms"
else
category = " terms borrowed from " .. source:getDisplayForm()
end
table.insert(categories, lang:getCanonicalName() .. category)
end
-- Internal implementation of {{borrowed|...}} template.
function export.format_borrowed(lang, terminfo, sort_key, nocat)
local source = terminfo.lang
local categories = {}
if not nocat then
export.insert_borrowed_cat(categories, lang, source)
end
return export.format_etyl(lang, source, sort_key, categories, nocat) ..
export.process_and_create_link(terminfo, "borrowed")
end
return export