imported>Robingan7 at 04:52, 12 November 2018

2018-11-12T04:52:00Z

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local p = {}

local function leapd(y)
if y % 1000 == 0 then return 29 end
if y % 100 == 0 then return 28 end
if y% 4 == 0 then return 29 end
return 28
end

local months = { "jan", "feb", "mar", "apr", "may", "jun","jul", "aug", "sep", "oct", "nov", "dec" }
local days_in_month = { 31, 0, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }
days_in_month[0] = 0
local month_idx = {}
for i, v in ipairs(months) do
month_idx[v] = i
end

local function day_try(d, m, y)
days_in_month[2] = leapd(y)
if tonumber(d) < 1 or tonumber(d) > days_in_month[m] then
return "Invalid"
end
return "Valid"
end

local function day_or_mon_year(thing)
if tonumber(thing)>31 then return "year"
else if tonumber(thing)==nil then
return "month"

end
end
end

local function iso_month(thing)
if thing=="01" then return "January" else return thing end
if thing=="02" then return "February" else return thing end
if thing=="03" then return "March" else return thing end
if thing=="04" then return "April" else return thing end
if thing=="05" then return "May" else return thing end
if thing=="06" then return "June" else return thing end
if thing=="07" then return "July" else return thing end
if thing=="08" then return "August" else return thing end
if thing=="09" then return "September" else return thing end
if thing=="10" then return "October" else return thing end
if thing=="11" then return "November" else return thing end
if thing=="12" then return "December" else return thing end
end
local function month_edit(thing)
local count=1
local count2=1
local count3=1
local count4=1
local months = { "jan", "feb", "mar", "apr", "may", "jun","jul", "aug", "sep", "oct", "nov", "dec" }
local month1_idx = {}
for i, v in ipairs(months) do
month1_idx[v] = i
end
local months2={ "Jan", "Feb", "Mar", "Apr", "May", "Jun","Jul", "Aug", "Sep", "Oct", "Nov", "Dec" }
local month2_idx = {}
for i, v in ipairs(months2) do
month2_idx[v] = i
end
local month3_idx = {}
local months3={ "January", "February", "March", "April", "May", "June","July", "August", "September", "October", "November", "December" }
for i, v in ipairs(months3) do
month3_idx[v] = i
end

local month4_idx = {}
local months4={ "january", "february", "march", "april", "may", "june","july", "august", "september", "october", "november", "december" }
for i, v in ipairs(months4) do
month4_idx[v] = i
end
for i=1,12 do
if thing == months3[i] then count=count+1 end
end

for i=1,12 do
if thing == months2[i] then count3=count3+1 end
end

for i=1,12 do
if thing == months[i] then count2=count2+1 end
end

for i=1,12 do
if thing == months4[i] then count4=count4+1 end
end

if count==2 then return thing end
if count==1 then if count2==2 then return months3[month1_idx[thing]] end end
if count==1 then if count3==2 then return months3[month2_idx[thing]] end end
if count==1 then if count4==2 then return months3[month4_idx[thing]] end end
end

local function iso_edit(num)
if tonumber(num)<10 then
return "0"..num
else return num
end

end

p.unpackdate = function(frame)
local dmydate = frame.args.dmydate or ""

local formatdate = frame.args.formatdate or ""

local months = { "jan", "feb", "mar", "apr", "may", "jun","jul", "aug", "sep", "oct", "nov", "dec" }
local months2={ "Jan", "Feb", "Mar", "Apr", "May", "Jun","Jul", "Aug", "Sep", "Oct", "Nov", "Dec" }
local months4={ "january", "february", "march", "april", "may", "june","july", "august", "september", "october", "november", "december" }
local months3={ "January", "February", "March", "April", "May", "June","July", "August", "September", "October", "November", "December" }
local month_idx = {}
for i, v in ipairs(months3) do
month_idx[v] = i
end
local special_year={"BC","BCE","AD","CE"}
local around={"around","uncertain"}
local year=""
local month=""
local day=""
local special=""
local appro=""
local num1,num2,num3

numbers = {}
for num in string.gmatch(dmydate, "%d+") do
numbers[#numbers + 1] = num
end

strings = {}
for stringss in string.gmatch(dmydate, "%a+") do
strings[#strings + 1] = stringss
end

for i=1,#strings do
for i2=1,4 do
if strings[i]==special_year[i2] then special=" "..strings[i].." " end
end
end

for i=1,#strings do
for i2=1,2 do
if strings[i]==around[i2] then appro="circa".." " end
end
end

for i=1,#strings do
for i2=1,12 do
if strings[i]==months[i2] then month=strings[i] end
end
for i2=1,12 do
if strings[i]==months2[i2] then month=strings[i] end
end
for i2=1,12 do
if strings[i]==months3[i2] then month=strings[i] end
end
for i2=1,12 do
if strings[i]==months4[i2] then month=strings[i] end
end
end

if(#numbers==2 ) then if tonumber(numbers[1])>31 then year = numbers[1] day = numbers[2]
else year = numbers[2] day = numbers[1]
end end

if(#numbers==3) then if tonumber(numbers[1])>31 then year = numbers[1].." "..special day = numbers[3] month=numbers[2]
else if special=="" then year = numbers[3] day = numbers[1] month=numbers[2]
else year = numbers[3].." "..special day = numbers[1] month=numbers[2]
end end end

if month=="01" then month ="January" end
if month=="02" then month ="February" end
if month=="03" then month ="March" end
if month=="04" then month= "April" end
if month=="05" then month ="May" end
if month=="06" then month ="June" end
if month=="07" then month= "July" end
if month=="08" then month ="August" end
if month=="09" then month= "September" end
if month=="10" then month= "October" end
if month=="11" then month= "November" end
if month=="12" then month ="December" end

if(#numbers==2 and month=="" and #strings==0) then if tonumber(numbers[1])>31 then year = numbers[1].." "..special day = numbers[2]
else year = numbers[2].." "..special day = numbers[1] return appro..year..special
end end

if(#numbers==2 and month=="" and #strings>0) then return "invalid entry" end

if(#numbers==0) then return "invalid entry" end
if(#numbers==3 and formatdate=="" )then formatdate="iso" end
if(formatdate=="" ) then formatdate="dym" end
if(#numbers==1 and month=="") then return appro..numbers[1].." "..special end
if(#numbers==1 and #strings==1) then return appro..numbers[1].." "..strings[1]..special end

if(formatdate=="dym") then
if month_idx[month_edit(month)]==2 then
if day_try(day, month_idx[month_edit(month)], year)=="Invalid" then
return "invalid entry" else
return appro..day.." "..month_edit(month).." "..year..special end
else return appro..day.." "..month_edit(month).." "..year..special end end
--appro..day.." "..month_edit(month).." "..year..special
--appro..day.." "..month_edit(month).." "..year..special
if(formatdate=="mdy") then
if month_idx[month_edit(month)]==2 then
if day_try(day, month_idx[month_edit(month)], year)=="Invalid" then
return "invalid entry" else
return appro..month_edit(month).." "..day..","..year..special end
else return appro..month_edit(month).." "..day..","..year..special end end

if(formatdate=="iso") then
if month_idx[month_edit(month)]==2 then
if day_try(day, month_idx[month_edit(month)], year)=="Invalid" then
return "invalid entry" else
return appro..year..special.."-"..month_idx[month_edit(iso_month(month))].."-"..iso_edit(day) end
else return appro..year..special.."-"..month_idx[month_edit(iso_month(month))].."-"..iso_edit(day) end end
--appro..year..special.."-"..month_idx[month_edit(iso_month(month))].."-"..iso_edit(day)
if(formatdate=="year") then
if month_idx[month_edit(month)]==2 then
if day_try(day, month_idx[month_edit(month)], year)=="Invalid" then
return "invalid entry" else
return appro..year..special end
else return appro..year..special end end

if(formatdate=="month and year") then if day_try(day, month_idx[month_edit(month)], year)=="Invalid" then return "invalid entry" else return appro..month_edit(month).." "..year end end

end
return p

Module:Sandbox/Robingan7/Dates - Revision history

imported>Robingan7 at 04:52, 12 November 2018