मोड्युल:Linguistic

-- some simple internationalization that can be called by other modules

local p = {}
local f = require('Module:Fallback')

local vowels = 'aeiouyąăẵằẳặȃắâẫấầẩậãäǟāáàȁǎảẚåǻḁạǡæǣǽĕȇêễếềểệḙẽḛëēḕéḗèȅěẻẹęȩḝǝĭȋîĩḭïḯīíìȉǐỉịįıŏȏôỗốồổộõṏṍöōṑóṓòȍǒỏọǫǭơỡớờởợøǿŭȗûṷũṻṹṵüǖǘǜǚṳūúùȕǔủůụųưữứừửựŷỹÿȳýỳỷẙỵ'
function wordor(lang) 
	return f._langSwitch(require('Module:I18n/or'), lang)
end

function comma(lang)
	m = mw.message.newFallbackSequence( "comma-separator" )
	m:inLanguage(lang)
	return m:plain()
end

function wordand(lang)
	local andtable = { -- languages with a problem with the MediaWiki:And
		['pl'] = ' i',
		['no'] = ' og',
		['zh'] = '和',
		['ja'] = 'および'
	}
	if andtable[lang] then
		return andtable[lang]
	end
	m = mw.message.newFallbackSequence( "and" )
	m:inLanguage(lang)
	return m:plain()
end

function wordsep(lang) -- default separator between words
	m = mw.message.newFallbackSequence( "Word-separator" )
	m:inLanguage(lang)
	return m:plain()
end	

function isin(str, pattern)
	if str and pattern and mw.ustring.find(str, pattern, 1, true ) then
		return true
	end
end

function langisin(str, lang)
	return isin(str, lang .. ' ') -- space is necessary to avoid false positives like zh in zh-hans
end

function processgender(str)
	if (str == 'f') or (str == 'fem') or (str == 'feminine') then 
		return 'feminine'
	elseif (str == 'n') or (str == 'neutral') then 
		return 'neutral'
	else
		return 'masculine'
	end
end

function processnumber(str)
	if (str == 'p') or (str == 'plural') then
		return 'plural'
	else 
		return 'singular'
	end
end

function p.vowelfirst (str)
	if str then return isin(vowels, str[1]) end
end



function p.of(word, lang, raw, gender, number, determiner) -- rough translation of "of" in various languages
-- note that the cases when on "of" is employed varies a lot among languages, so it is more prudent to call this from lang specific function only
	if not raw then 
		raw = word
	end
	gender = processgender(gender)
	number = processnumber(number)
	-- raw is the string without the Wikiformatting so that it correctly analyses the string that is [[:fr:Italie|Italie]] -> 'italie'
	-- any way to automate this ?
	
	-- todo: ca to replace Template:Of/ca
	
	if lang == 'fr' then 
		if number == 'plural' then
			return 'des ' .. word
		elseif p.vowelfirst(raw) then
			return 'de l\'' .. word
		elseif gender == 'feminine' then
			return 'de la ' .. word
		elseif derterminer then
			return 'du ' .. word
		else
			return 'de ' .. word
		end
	end	

end

function p.offromwiki(frame)
	args = frame.args
	return p.of(args.word, args.lang, args.raw, args.gender, args.number, args.determiner)
end
function p.noungroup(noun, adj, lang)
	if not noun or noun == '' then 
		return nil -- not '' so that it is not counted as a string by mw.listToText
	end
	if not adj or adj == ''
		then return noun
	end
	-- adjective before the noun
	if langisin('de de-at de-ch en en-ca en-gb pl zh zh-hans zh-hant zh-my zh-cn zh-sg zh-tw ', lang) then
		return adj .. wordsep(lang) .. noun
	-- adjective after the noun
	elseif langisin('fr fr-ca es it') then
		return noun .. wordsep(lang) .. adj
	else
		return noun ' (' .. adj .. ')'
	end
end

function p.conj(args, lang, conjtype)
	if conjtype == 'comma' then
		return mw.text.listToText(args, comma(lang), comma(lang))
	elseif conjtype == 'or' then 
		return mw.text.listToText(args, comma(lang), wordor(lang)  .. wordsep(lang))
	elseif conjtype == 'explicit or' then -- adds "or" betwen all words when the context can be confusing
		return mw.text.listToText(args, wordor(lang) .. wordsep(lang), wordor(lang)  .. wordsep(lang))
	elseif conjtype and conjtype ~= 'and' and conjtype ~= '' then
		return 'unknown conj type : ' .. conjtype .. '[[Category:Pages with incorrect template usage/Conj|B]]'
	else 
		return mw.text.listToText(args, comma(lang), wordand(lang) .. wordsep(lang))
	end
end

function p.conjfromWiki(frame)
	args = frame.args
	if not args or not args[1] then
		args = mw.getCurrentFrame():getParent().args
	end
	local conjtype = args.type
	local lang = args.lang
	if not lang or mw.text.trim(lang) == '' then
		lang = frame:preprocess( "{{int:lang}}" )
	end
	newargs = {}  -- transform args metatable into a table so it can be concetenated
	for i, j in pairs(args) do
			if type(i) == 'number' then
				j = mw.text.trim(j)
				if j ~= '' then
					table.insert(newargs, j)
				end
			else 
				if i ~= 'type' and i ~= 'lang' then 
					return 'error: bad parameter in template:Conj: ' .. i .. '[[Category:Pages with incorrect template usage/Conj|A]]'
				end
			end
	end
	return p.conj(newargs, lang, conjtype)
end

return p