# Module:IPAc-en

-- This module implements Template:IPAc-en.  
local data = mw.loadData('Module:IPAc-en/data')
local p = {}  
-- Global container for tracking categories
local categoryHandler = require('Module:Category handler').main
local categories = {}  
-- Trims whitespace from a string
local function trim(s)
return s:match('^%s*(.-)%s*$')
end  
-- This implements Template:Nowrap.
local function makeNowrapSpan(s)
local span = mw.html.create('span')
:addClass('rt-commentedText') -- Works with MediaWiki:Gadget-ReferenceTooltips.js
:addClass('nowrap')
:wikitext(s)
return tostring(span)
end  
local function makePronunciationText(id)
id = id and string.lower(trim(id))
if id and id ~= '' and data.pronunciation[id] then
return data.pronunciation[id].text
end
end  
-- This adds a tooltip icon to a label. It implements Template:H:title.
local function makeTooltip(label, tooltip)
local span = mw.html.create('span')
:attr('title', tooltip)
:wikitext(label)
return tostring(span)
end  
local function formatPhonemeGroup(phonemes)
if #phonemes > 0 then
local span = mw.html.create('span')
:css('-bottom', ' dotted')
:wikitext(table.concat(phonemes))
return tostring(span)
else
return ''
end
end  
local function renderCategories
local ret = ''
ret = categoryHandler{
[1] = 'yes', -- Add categories in these namespaces
main = 1,
wikipedia = 1,
file = 1,
template = 1,
help = 1,
category = 1,
portal = 1,
book = 1,
draft = 1,
module = 1,
}  
if ret == 'yes' then
ret = {}
for cat in pairs(categories) do
table.insert(ret, string.format('', cat))
end
table.sort(ret)
ret = table.concat(ret)
else
ret = ''
end
return ret
end  
function p._main(args)
local ret = {}
local i = 0 -- Keeps track of numbered args  
-- Pronunciation
do
local pron = {}
while true do
i = i + 1
local pronItem = makePronunciationText(args[i])
if pronItem then
pron[#pron + 1] = pronItem
pron[#pron + 1] = ' '
else
break
end
end
if #pron > 0 then
ret[#ret + 1] = string.format(
'<small>%s</small>',
table.concat(pron)
end
end  
-- Phonemes
do
-- Loop through the numbered args, separating them into phoneme groups
-- and separator strings (both called "words" for convenience). We only
-- underline the phoneme groups, not the separators.
local words = {}
words[#words + 1] = '/' -- Opening slash
i = i - 1 -- Set up i again as it was changed in the pronunciation loop
local id
repeat
local phonemes = {}
local isWordEnd = false
while not isWordEnd do
i = i + 1
id = args[i]
id = id and trim(id)
if not id then
isWordEnd = true
words[#words + 1] = formatPhonemeGroup(phonemes)
elseif id ~= '' then
local t = data.phonemes[id]
if not t then
-- We were passed an invalid id.
isWordEnd = true
categories["Ill-formatted IPAc-en transclusions"] = true
words[#words + 1] = formatPhonemeGroup(phonemes)
words[#words + 1] = makeTooltip(
string.format(
"<strong class=\"error\">[invalid input: '%s']</strong>",
id
),
'Unrecognized symbol'
elseif not t.label then
-- The data module contains bad data, so throw an error.
error(string.format(
"no label was found for id '%s'",
tostring(id)
))
elseif t.tooltip then
-- We are dealing with a regular phoneme.
phonemes[#phonemes + 1] = makeTooltip(
t.label,
t.tooltip
else
-- We are dealing with a separator.
isWordEnd = true
words[#words + 1] = formatPhonemeGroup(phonemes)
words[#words + 1] = t.label
end
end
end
until not id
words[#words + 1] = '/' -- Closing slash  
-- Wrap the words in a link to IPA help.
local span = mw.html.create('span')
-- Suppress Navigation popups and Page Previews (aka Hovercards)
:addClass('IPA nopopups noexcerpt')
:wikitext(string.format(
'',
table.concat(words)
))  
ret[#ret + 1] = tostring(span)
end  
-- Audio link
do
local file = args.audio and trim(args.audio)
if file and file ~= '' then
if args[1] and string.lower(trim(args[1])) == 'uk' then
categories["Pages including recorded pronunciations (UK English)"] = true
elseif args[1] and string.lower(trim(args[1])) == 'us' then
categories["Pages including recorded pronunciations (US English)"] = true
else
categories["Pages including recorded pronunciations (English)"] = true
end  
ret[#ret + 1] = mw.getCurrentFrame:expandTemplate{
title = 'Template:IPA audio link', args = { file } }
end
end  
-- Nowrap and categories
ret = makeNowrapSpan(table.concat(ret)) .. renderCategories  
-- Reset the categories table in case we are run again.
categories = {}  
return ret
end  
function p.main
return p._main(:getParent.args)
end  
return p