Mô đun: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 '&nbsp;/ '
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 = '&nbsp;'
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 = '&nbsp;'
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