Module:Jct

local p = {} -- Change to "" upon deployment. local moduleSuffix = ""

local parserModuleName = "Module:Road data/parser" .. moduleSuffix local statenameModuleName = "Module:Jct/statename" .. moduleSuffix -- TODO transition local cityModuleName = "Module:Jct/city" .. moduleSuffix

local concat = table.concat local insert = table.insert local format = mw.ustring.format local trim = mw.text.trim

local parserModule = require(parserModuleName) local parser = parserModule.parser local util = require("Module:Road data/util")

-- Shields local defaultShieldSize = 24

local function addContextBanner(route, name, suffix, bannerSpec) local bannerModule = 'Module:Road data/banners/' .. string.upper(route.country) local shieldfield = name .. 'shield' local shield = parser(route, shieldfield) if shield == nil then -- This route type does not define shield. -- Find shield in the default banner table. shield = parser(route, 'shield', name, bannerModule) if shield and shield ~= '' then if suffix == nil then suffix = parser(route, 'shield', 'suffix', bannerModule) end if suffix and suffix ~= '' then shield = shield .. " " .. suffix end shield = shield .. ".svg" end end if shield and shield ~= '' then local shieldSize = defaultShieldSize -- Add banner plate. insert(bannerSpec, {shield, shieldSize}) end end

local function bannerSpec(banner, bannerSize, bannerSuffix, route) local banners = {} if type(banner) == "table" then local bannerSizeIsNotTable = type(bannerSize) ~= "table" for i,filename in ipairs(banner) do			local bannersize = bannerSizeIsNotTable and bannerSize or bannerSize[i] or defaultShieldSize insert(banners, {filename, bannersize}) end elseif banner ~= '' then insert(banners, {banner, bannerSize}) end

if route.dir then addContextBanner(route, 'dir', bannerSuffix, banners) end if route.to then addContextBanner(route, 'to', bannerSuffix, banners) end

return banners end

local function shieldSpec(route, mainShield, shieldList) local shieldSpec = {}

local shield local shieldto = parser(route, 'shieldto') if route.to then if not shield then shield = shieldto or parser(route, 'shield') or '' end else if not shield then shield = parser(route, 'shield') or '' end end if shield == '' then return shieldSpec end local orientation = parser(route, 'orientation')

local function size(route) if orientation == "upright" then return defaultShieldSize else return "x" .. defaultShieldSize end end local shieldsize = size(route) local banner = parser(route, 'banner') or {} local bannersize = defaultShieldSize local bannersuffix = parser(route, 'bannersuffix')

local bannerIsNotTable = type(banner) ~= "table" local bannersizeIsNotTable = type(bannersize) ~= "table" local bannersuffixIsNotTable = type(bannersuffix) ~= "table"

if type(shield) == "table" then for i,filename in ipairs(shield) do			local size = shieldsize or shieldsize[i] if size == "" then size = nil end -- banner.all describes banners that apply to all multiple shields. local shieldBanner = bannerIsNotTable and banner or (banner[i] or banner.all or {}) -- Banner size is default if the corresponding entry -- in bannerSize table is not set. local shieldBannerSize = bannersizeIsNotTable and bannersize or (bannersize[i] or bannersize.all or defaultShieldSize) local shieldBannerSuffix = bannersuffix and (bannersuffixIsNotTable and bannersuffix or bannersuffix[i]) insert(shieldSpec, {				shield = {filename, size},				banners = bannerSpec(shieldBanner, shieldBannerSize, shieldBannerSuffix, route)			}) end elseif shield ~= '' then if shieldsize == "" then shieldsize = nil end insert(shieldSpec, {			shield = {shield, shieldsize},			banners = bannerSpec(banner, bannersize, bannersuffix, route)		}) end

return shieldSpec end

local missingShields

local shieldExistsCache = {}

local function render(shieldEntry, scale, showLink) local shield = shieldEntry.shield local banners = shieldEntry.banners

local size if shield[2] then local width, height = mw.ustring.match(shield[2], "(%d*)x?(%d*)") width = tonumber(width) height = tonumber(height) local sizeparts = {} if width then insert(sizeparts, format("%d", width * scale)) end if height then insert(sizeparts, format("x%d", height * scale)) end size = concat(sizeparts) else size = format("%s%d", landscape and "x" or "", defaultShieldSize * scale) end local shieldCode = format("", shield[1], size) if not banners[1] then return shieldCode end

for _,banner in ipairs(banners) do		shieldCode = format(" %s",			banner[1],			defaultShieldSize,			shieldCode) end return ' ' .. shieldCode .. ' ' end

function p.shield(route, scale, showLink, mainShield, shieldList) missingShields = {}

scale = scale or 1

local rendered = {} for _,entry in ipairs(shieldSpec(route, mainShield, shieldList)) do		insert(rendered, render(entry, scale, showLink)) end return concat(rendered), missingShields end

-- Links/abbreviations function p.link(route) local nolink = route.nolink local abbr = parser(route, 'abbr') if nolink then return abbr else local link = parser(route, 'link') if not link or link == '' then return abbr else return format("%s", link, abbr) end end end ---

-- Links/abbreviations local function routeText(route, jctname, frame) local link local type = route.type if not type or type == '' then link = route.route else link = p.link(route) end

local dir = route.dir and ' ' .. string.lower(route.dir) or '' local routeText = link .. dir

local name = route.name if name and name ~= '' then local mainText = jctname and name or routeText local parenText = jctname and routeText or name return format('%s (%s)', mainText, parenText) else return routeText end end

local function extra(args) local extraTypes = mw.loadData('Module:Road data/extra') local extraIcon = extraTypes[string.lower(args.extra or '')] if not extraIcon then return '' end local size = defaultShieldSize .. 'px' local countryIcon = extraIcon[args.country] or extraIcon.default if type(countryIcon) == 'table' then local localIcon = countryIcon[args.state] or countryIcon.default return string.format("", localIcon, size) else return string.format("", countryIcon, size) end end

local function parseArgs(args) local state = args.state or args.province or '' args.state = state local country if args.country and args.country ~= '' then country = string.upper(args.country) else local countryModule = mw.loadData("Module:Road data/countrymask") country = countryModule[state] or 'UNK' end args.country = country

local params = {'denom', 'county', 'township', 'dab', 'nolink', 'noshield', 'to', 'dir', 'name'} local routes = {} local routeCount = 1 local seenTo = false while true do		local routeType = args[routeCount * 2 - 1] if not routeType then break end local route = {type = routeType, route = args[routeCount * 2]} for _,v in pairs(params) do route[v] = args[v .. routeCount] end if args.nolink then route.nolink = args.nolink end route.country = country route.state = state

-- Set the first .to to true. -- Set all following .to to ''. if seenTo then if route.to then -- Report duplicate to flag. route.toerror = true end route.to = '' elseif route.to then route.to = true seenTo = true end

insert(routes, route) routeCount = routeCount + 1 end return routes end

local function prefix(to, num) if to and to ~= '' then return num == 1 and 'To ' or ' to ' end return num == 1 and '' or ' / ' end

local function addErrorMsg(catCode, msg, errorMsg) errorMsg.code = errorMsg.code or catCode insert(errorMsg, format(' Module:Jct %s ', msg)) end

function p._jct(args, frame) local routes = parseArgs(args) local shields = {} local links = {} local allMissingShields = {} local typeErr = false local toErr = false frame = frame or mw.getCurrentFrame for num,route in ipairs(routes) do		if not (args.noshield or route.noshield) then local shield, missingShields = p.shield(route) insert(shields, shield) if missingShields[1] then insert(allMissingShields, concat(missingShields, ' / ')) end end local prefix = prefix(route.to, num) if prefix ~= '' then insert(links, prefix) end insert(links, routeText(route, args.jctname, frame)) typeErr = typeErr or route.typeerror or false toErr = toErr or route.toerror or false end local graphics = concat(shields) .. extra(args) .. ' '	local linkText = concat(links) local cities = '' if args.city1 or args.location1 then local citiesPrefix if args.citiesprefix then citiesPrefix = args.citiesprefix ~=  and format(" %s ", args.citiesprefix) or  else citiesPrefix = ' ' end local cityModule = require(cityModuleName) cities = citiesPrefix .. cityModule.city(args) end

local errorMsg = {} -- Errors must be reported by the level of severity, most severe first. if typeErr then -- Report invalid type errors. addErrorMsg("§", 'error: Invalid route type', errorMsg) end if #allMissingShields > 0 then -- Report missing shield error. -- shieldExists would have populated missingShields if shields are missing. addErrorMsg("¶", 'error: Missing route marker graphics: ' .. concat(allMissingShields, ' / '), errorMsg) end if toErr then -- Report invalid to errors. addErrorMsg("&", 'error: Invalid "to" argument', errorMsg) end if args.road then -- Report deprecated "road" warning. addErrorMsg("∆", 'warning: "road" parameter is deprecated', errorMsg) end if args.rdt then -- Report deprecated "rdt" warning. addErrorMsg("£", 'warning: "rdt" parameter is deprecated', errorMsg) end if #errorMsg > 0 then local page = mw.title.getCurrentTitle.prefixedText -- Get transcluding page's title -- Add a category for the first, most severe error. insert(errorMsg, format('', errorMsg.code, page)) errorMsg = concat(errorMsg) else errorMsg = '' end

return graphics .. linkText .. cities .. errorMsg end

function p.jct(frame) -- Import module function to work with passed arguments local getArgs = require('Module:Arguments').getArgs local args = getArgs(frame, {removeBlanks = false}) return p._jct(args, frame) end

function p._roadlink(args, frame) local routes = parseArgs(args) local links = {} local typeErr = false local toErr = false frame = frame or mw.getCurrentFrame for num,route in ipairs(routes) do		local prefix = prefix(route.to, num) if prefix ~= '' then insert(links, prefix) end insert(links, routeText(route, args.jctname, frame)) typeErr = typeErr or route.typeerror or false toErr = toErr or route.toerror or false end local linkText = concat(links) local cities = '' if args.city1 or args.location1 then local citiesPrefix if args.citiesprefix then citiesPrefix = args.citiesprefix ~=  and format(" %s ", args.citiesprefix) or  else citiesPrefix = ' ' end local cityModule = require(cityModuleName) cities = citiesPrefix .. cityModule.city(args) end

local errorMsg = {} -- Errors must be reported by the level of severity, most severe first. if typeErr then -- Report invalid type errors. addErrorMsg("2", 'error: Invalid route type', errorMsg) end if toErr then -- Report invalid to errors. addErrorMsg("3", 'error: Invalid "to" argument', errorMsg) end if args.road then -- Report deprecated "road" warning. addErrorMsg("W", 'warning: "road" parameter is deprecated', errorMsg) end if #errorMsg > 0 then local page = mw.title.getCurrentTitle.prefixedText -- Get transcluding page's title -- Add a category for the first, most severe error. insert(errorMsg, format('', errorMsg.code, page)) errorMsg = concat(errorMsg) else errorMsg = '' end

return linkText .. cities end

function p.roadlink(frame) -- Import module function to work with passed arguments local getArgs = require('Module:Arguments').getArgs local args = getArgs(frame, {removeBlanks = true}) return p._roadlink(args, frame) end

return p