Module:IPA

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

local p = {}

local match = mw.ustring.match
local gsub = mw.ustring.gsub
local U = mw.ustring.char

local function IPAspan(text)
	return
		'<span title="Representation in the International Phonetic Alphabet (IPA)" class="IPA">' ..
		text ..
		'</span>'
end

local function ine(text)
	if text == "" then
		return nil
	else
		return text
	end
end

function p.tag(frame)
	local linkHelpPage = require('Module:Yesno')(frame.args.link, false)
	
	local args = frame:getParent().args[1] and frame:getParent().args
		or frame.args
	local namespace = mw.title.getCurrentTitle().nsText
	
	local text, lang
	
	local err = {}
	local trackingCategories = {}
	local IPApage
	
	-- Tracks incorrect characters.
	local function track(text)
		-- non-IPA g
		if mw.ustring.find(text, U(0x67)) then
			mw.log("Incorrect character g found in " .. text)
			table.insert(trackingCategories, "[[Category:IPA templates with incorrect characters]]")
		end
	end
	
	if linkHelpPage then
		text = ine(args[2])
		lang = ine(args[1])
	
		if lang then
			IPApage = mw.loadData("Module:IPA/data")[lang]
			
			if not IPApage then 
				table.insert(err, "[No IPA key for the language code " .. lang.."]")
			end
		else
			table.insert(err, "[language code?]")
		end
	else
		text = ine(args[1])
	end
	
	local output = ""
	
	if text then
		workingString = text
		
		-- Remove targets of wikilinks.
		workingString = gsub(workingString, "%[%[([^|]+|)", "")
		-- Remove HTML tags.
		workingString = gsub(workingString, "<[^>]+>", "")
		track(workingString)
		
		text = IPAspan(text)
	
		if IPApage then
			output = "[[" .. IPApage .. "|" .. text .. "]]"
		elseif text then
			output = text
		end
	else
		table.insert(err, "[IPA symbols?]")
	end
	
	if #err > 0 then
		err = "<sup>" .. table.concat(err) .. "</sup>"
	else
		err = ""
	end
	
	-- Makes the error message show only in preview mode.
	if frame:preprocess("{{REVISIONID}}") == "" then
		output = output .. err
	end
	
	return output .. table.concat(trackingCategories)
end

return p