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Module:IsValidMonthName (view source)

Revision as of 23:24, 15 July 2021

2,950 bytes added , 23:24, 15 July 2021

Pywikibot 6.4.0

--[[
A simple module to check whether a supplied string is a valid name of a month
in the Julian or Gregorian calendars.
--]]

local IsValidMonthName = {}

local FullMonthNames = {
["January"] = true,
["February"] = true,
["March"] = true,
["April"] = true,
["May"] = true,
["June"] = true,
["July"] = true,
["August"] = true,
["September"] = true,
["October"] = true,
["November"] = true,
["December"] = true
}

local FullMonthNamesLowerCase = {
["january"] = true,
["february"] = true,
["march"] = true,
["april"] = true,
["may"] = true,
["june"] = true,
["july"] = true,
["august"] = true,
["september"] = true,
["october"] = true,
["november"] = true,
["december"] = true
}

local ShortMonthNames = {
["Jan"] = true,
["Feb"] = true,
["Mar"] = true,
["Apr"] = true,
["May"] = true,
["Jun"] = true,
["Jul"] = true,
["Aug"] = true,
["Sep"] = true,
["Oct"] = true,
["Nov"] = true,
["Dec"] = true
}

local ShortMonthNamesLowerCase = {
["jan"] = true,
["feb"] = true,
["mar"] = true,
["apr"] = true,
["may"] = true,
["jun"] = true,
["jul"] = true,
["aug"] = true,
["sep"] = true,
["oct"] = true,
["nov"] = true,
["dec"] = true
}

-- ############### Publicly accessible functions #######################

-- if the parameter is a valid FULL name of a month, return "%validmonthname%"
-- Otherwise just return an empty string
function IsValidMonthName.isFullMonthName(frame)
return doNameCheck(frame.args[1], frame.args[2], true, false)
end

-- if the parameter is a valid SHORT name of a month, return "%validmonthname%"
-- Otherwise just return an empty string
function IsValidMonthName.isShortMonthName(frame)
return doNameCheck(frame.args[1], frame.args[2], false, true)
end

-- if the parameter is a valid FULL OR SHORT name of a month, return "%validmonthname%"
-- Otherwise just return an empty string
function IsValidMonthName.isMonthName(frame)
return doNameCheck(frame.args[1], frame.args[2], true, true)
end

-- ############### Private functions #######################

function doNameCheck(s, caseArg, checkFull, checkShort)
local ignoreCase = false

-- check for missing parameter
if (s == nil) then
return ""
end

-- check for empty parameter
s = mw.text.trim(s)
if (s == "") then
return ""
end

if (caseArg ~= nil) then
if (string.lower(caseArg) == "ignorecase") then
ignoreCase = true
end
end

if checkFull then
if ((FullMonthNames[s] == true) and (not ignoreCase))
or
((FullMonthNamesLowerCase[string.lower(s)] == true) and (ignoreCase))
then
return s
end
end
if checkShort then
if ((ShortMonthNames[s] == true) and (not ignoreCase))
or
((ShortMonthNamesLowerCase[string.lower(s)] == true) and (ignoreCase))
then
return s
end
end

return ""
end

return IsValidMonthName

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