imported>Takidelfin at 21:48, 19 November 2018

2018-11-19T21:48:33Z

New page

-- takidelfin Google Code-in, Introduction to Lua in Wikipedia
-- takidelfin Google Code-in, Working with modules
local p = {}
-- Task 1

function p.hello( frame )
return "Hello, ''no semicolon'' world!"
end

-- Task 2
p.Hi = function ( frame )
strName = frame.args.name or "Jimbo"
return "Hello from Lua module to " .. strName .. ". "
end

-- Task 3
function p.temperature ( frame )
cel = tonumber(frame.args.celsius) or 0
fah = cel * 9 / 5 + 32
-- return cel .. "°C is " .. fah .. "°F" -- Just testing UTF-8 Character displaying in Lua
msg = cel .. " degrees Celsius is " .. fah .. " degrees Fahrenheit. "
if cel > 9 then
msg = msg .. "It is warm."
return msg
end
return msg .. "It is cold."
end

-- Task 4
function p.times ( frame )
local num = tonumber( frame.args.num ) or 2
-- Auto closing br tag avoids errors in HTML
-- 'Do it in such a way that the heading will always show the number of the times table passed as the parameter.'
-- ^ if I understand this properly, I need to display a paramater disregarding of it type.
local out = num .. " times table "
for i = 1,12 do
out = out .. num .. " times " .. i .. " equals " .. i * num .. " "
end
return out
end

function p.mum ( frame )
local family = { "Dad", "Mum", "Uncle Stan", "Aunty Elsie", "Brian", "Grandma", "Grandpa", "Jack Sparrow"}
local msg = ""
for i = 1,#family do
msg = msg .. "Hello " .. family[i] .. " "
end
return msg
end

-- Task 5
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 .. " Day = " .. day .. " Month = " .. month
end

-- Task 6
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 .. " "
count = count + 1
end
return langs .. " = " .. count .. " languages"
end

p.fallbacks = function(frame)
local langcode = frame.args.langcode or 'en'
local fallbacks = mw.language.getFallbacksFor( langcode )
local fallbackLangs = "Fallback languages for " .. langcode .. " "
for key, value in pairs(fallbacks) do
fallbackLangs = fallbackLangs .. "* " .. value .. ""
end
return fallbackLangs .. " Found " .. #fallbacks .. " fallback languages for " .. langcode .. " "
end

-- Finds language codes with more than two fallbacks or given argument. I'm too lazy to search for them manually
p.findMoreFallbacks = function(frame)
local moreThan = tonumber(frame.args.more) or 2
local langlist = mw.language.fetchLanguageNames()
local langs = ""
for k, v in pairs(langlist) do
local fallbacks = mw.language.getFallbacksFor( k )
if #fallbacks > moreThan then
langs = langs .. k .. " "
end
end
return langs
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
local ttlobj = mw.title.new( ttl )

if ttl == nil then
return "Page title parameter is mandatory"
end
if ttl == "" then
return "Empty value is not a valid page title"
end
if ttlobj == nil then
return ttl .. " is not a vaild page title"
end

local msg = ttl .. " "

-- Maybe there is a better way to check existency of the page like using nil checks?
if ttlobj.exists then
msg = msg .. "exists and "
else
msg = msg .. "does not exist and "
end

-- Maybe I should use false check for ttlobj.redirectTarget ?
if ttlobj.isRedirect then
return msg .. "is a redirect"
end
return msg .. "is not a redirect"
end
return p

Module:Sandbox/Takidelfin - Revision history

imported>Takidelfin at 21:48, 19 November 2018