imported>RexxS: just return the object

2015-06-08T00:13:23Z

just return the object

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-- Helper functions for [[Template:Start date]]
-- This will accept a start_date returning a string that:
-- for a valid date, wraps a hidden copy of the date in ISO format in a microformat
-- returns start_date
-- See Module:Age for other date functions

local p = {}

-- This parses a date string into a Lua date table
p.parse_date = function(frame)
local strdate = mw.text.trim(frame.args[1] or "")
local invalid = false
local wrd = {}
local num = {} -- this is a list of indexes of wrd where the value is a number < 32
local yr = {} -- this is a list of indexes of wrd where the value is a number > 31
local mth = {} -- this is a list of indexes of wrd where the value is a month

for w in string.gmatch(strdate, "%w+") do
-- catch numbers like '27th'
local found1, found2 = string.find(w, "%d+")
if found1 then w = string.sub(w, found1, found2) end
-- now we can store what we found
wrd[#wrd+1] = w
if tonumber(w) then
if tonumber(w) < 32 then num[#num+1] = #wrd else yr[#yr+1] = #wrd end
end
local s = string.sub(w, 1, 3) -- the first 3 chars of w
local f1 = string.find("Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec", s, 1, true)
if f1 then
mth[#mth+1] = #wrd
wrd[#wrd] = (f1 + 3)/4 -- replace Jan with 1, Feb with 2, etc.
end
end

-- at this point #wrd contains the number of words and numbers and wrd contains the words and numbers
-- num is an index of day or numeric month candidates
-- yr is an index of year candidates
-- mth is an index of alphabetic month candidates

-- this part is for debugging purposes:
local msg = #wrd .. " word(s) "
local n=1
local y=1
local m=1
for i = 1, #wrd do
msg = msg .. wrd[i]
if i == yr[y] then
msg = msg .. " <- Year"
y = y+1
end
if i == num[n] then
msg = msg .. " <- Number"
n = n+1
end
if i == mth[m] then
msg = msg .. " <- Month"
m = m+1
end
msg = msg .. " "
end
-- debugging stuff finishes here.

-- let's take out the garbage
if not yr[1] then invalid = true end -- no year
if not num[1] then invalid = true end -- no day
if not mth[1] then
-- no alpha month:
if not num[2] then
invalid = true -- no month
else
-- two numbers, but:
if not yr[1] then
invalid = true -- no year
else
-- two numbers and a year, but:
if yr[1] > num[1] then invalid = true end -- year is not first, so date not in yyyy--mm--dd format
end
end
end

if invalid then
msg = msg .. "invalid date "
msg = msg .. strdate
else
-- if we have an alpha month, then it's either dmy or mdy. Otherwise it may be yyyy-mm-dd:
local ymddate
local dt = {}
if mth[1] then
-- dmy or mdy work the same now
dt.year = wrd[yr[1]]
dt.month = wrd[mth[1]]
dt.day = wrd[num[1]]
else
-- yyyymmdd has numeric month before numeric day
dt.year = wrd[yr[1]]
dt.month = wrd[num[1]]
dt.day = wrd[num[2]]
end
ymddate = os.date("%Y-%m-%d", os.time(dt))
msg = msg .. ymddate .. " "
msg = msg .. ' (' .. ymddate .. ')' .. strdate
end
return msg
end

-- call with {{#invoke:Sandbox/RexxS/DateData|FormatDate|<datestring>|<format>}}
p.FormatDate = function(frame)
local langcode = mw.language.getContentLanguage()
local strdate = mw.text.trim(frame.args[1] or "+2015-06-08T01:15:30Z")
local strformat = mw.text.trim(frame.args[2] or "j F Y")
return langcode:formatDate(strformat, strdate)
end

return p

Module:Sandbox/RexxS/DateData - Revision history

imported>RexxS: just return the object