Module:Lang/utilities

Documentation for this module may be created at Module:Lang/utilities/doc

require ('Module:No globals');
local is_latn = require ("Module:Unicode data").is_Latin;
local p={}

--[[--------------------------< I S _ C J K >------------------------------------------------------------------

return true if code is one of the listed Chinese, Japanese, Korean ISO 639 codes, false else.

]]

local function is_cjk_code (code)
local cjk =
		{
		['zh'] = true, ['cdo'] = true, ['cjy'] = true, ['cmn'] = true,			-- Chinese language codes
		['cpi'] = true, ['cpx'] = true, ['czh'] = true, ['czo'] = true,
		['gan'] = true, ['hak'] = true, ['hsn'] = true, ['ltc'] = true,
		['lzh'] = true, ['mnp'] = true, ['nan'] = true, ['och'] = true,
		['wuu'] = true, ['yue'] = true, ['zhx'] = true,
		['ja'] = true, ['jpx'] = true, ['ojp'] = true,							-- Japanese language codes
		['ko'] = true, ['okm'] = true, ['oko'] = true,							-- Korean language codes
		}

	return cjk[code] or false;
end


--[[--------------------------< S E T _ I T A L I C S >--------------------------------------------------------

Created for use with Template:Infobox book and Template:Infobox document and perhaps others to replace hard-coded
italic markup in the call to {{lang}}.  This module attempts to make sure that {{lang}} correctly applies italic
markup according to MOS:FOREIGNITALIC.  

]]

function p.set_italics (frame)
	local code = frame.args[1] or frame.args['code'] or '';						-- empty string causes 'yes' return; {{lang}} will handle the missing code error
	local text = frame.args[2] or frame.args['text'] or '';						-- empty string causes 'yes' return; {{lang}} will handle the missing text error
	
	if is_cjk_code (code) and not is_latn (text) then							-- is_latn() is in Module:Lang
		return  'no';															-- only case for 'no' 
	end
	return 'yes';																-- everything else is yes
end

return p;