-- Artbarte Google Code-in, Introduction to Lua in Wikipedia
-- Arbarte Google Code-in, Working with modules
local p = {} -- p stands for package
function p.hello( frame )
return "Hello, world!"
end
p.Hi = function(frame)
strName = frame.args.name or "Jimbo" -- Step 13
return "Hello from Lua to my friend " .. strName .. ".<br>"
end
p.temperature = function(frame)
cel = tonumber(frame.args.celsius) or 0
fah = cel * 9 / 5 + 32
msg = cel .. " degrees Celsius is " .. fah .. " degrees Fahrenheit. "
if cel > 9 then
msg = msg .. "It is warm. <br>"
else
msg = msg .. "It is cold. <br>"
end
return msg
end
-- Arbarte Google Code-in, Loops and tables
-- Task 4
p.times = function(frame)
local num = tonumber( frame.args.num ) or 2
local out = num .. " times table<br>"
for i = 1, 12 do
out = out .. num .. " times " .. i .. " equals " .. i * num .. "<br>"
end
return out
end
p.mum = function(frame)
local family = {"Dad", "Mum", "Uncle Stan", "Aunty Elsie", "Brian", "Tom", "Jerry", "Amelia"}
local msg = ""
for i = 1, #family do
msg = msg .. "Hello " .. family[i] .. "<br>"
end
return msg
end
-- Lua Task 5 - Lua libraries
p.sentence = function(frame)
local str = frame.args.words or ""
local out = string.upper(string.sub(str, 1, 1)) .. string.sub(str, 2)
return out
end
p.unpackdate = function(frame)
local dmydate = frame.args.dmydate or ""
local day, month, year = string.match(dmydate, "(%d+) (%w+) (%d+)")
return "Year = " .. year .. "<br>Day = " .. day .. "<br>Month = " .. month
end
-- Lua Task 6 - MediaWiki libraries
p.langnames = function(frame)
local langlist = mw.language.fetchLanguageNames()
local langs = ""
local count = 0
for k, v in pairs(langlist) do
langs = langs .. k .. " - " .. v .. "<br>"
count = count + 1
end
return langs .. "<br>= " .. count .. " languages"
end
p.fallbacks = function(frame)
local langcode = frame.args.langcode
local fallbacklist = mw.language.getFallbacksFor( langcode )
local fallbacklangs = "Fallback language codes for " .. langcode .. " :<br>"
for i = 1, #fallbacklist do
fallbacklangs = fallbacklangs .. fallbacklist[i] .. "<br>"
end
return fallbacklangs
end
p.pagename = function( frame )
local ttl = frame.args.title
local ttlobj = mw.title.new( ttl )
local txt = ttlobj.text
return txt
end
p.pageinfo = function( frame )
local ttl = frame.args.title or ""
if ttl == "" then return "Provided title is invalid" end
local ttlobj = mw.title.new( ttl )
local redirect = ""
local exists = ""
if ttlobj.isRedirect == true then
redirect = " is a redirect"
else
redirect = " is not a redirect"
end
if ttlobj.exists == true then
exists = " exists"
else
exists = " does not exist"
end
local msg = ttlobj.text .. exists .. " and" .. redirect
return msg
end
return p
