Module:Sandbox/Takidelfin

-- 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