| 词条 | Module:Sandbox/Angr pukhlya/2/sandbox |
| 释义 | local p = {} p.date_formatting = function( frame ) -- Unpacking date local date = frame.args.date or "Invalid entry" local format = frame.args.format or "" months = {"January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December", ["January"] = "01", ["February"] = "02", ["March"] = "03", ["April"] = "04", ["May"] = "05", ["June"] = "06", ["July"] = "07", ["August"] = "08", ["September"] = "09", ["October"] = "10", ["November"] = "11", ["December"] = "12"} local year, day = string.match(date, "%D*(%d*)%D*(%d*)%D*") local ans = "" if year ~= "" and day ~= "" then if tonumber(day) > 31 then if tonumber(year) <= 31 then day, year = year, day else ans = "Invalid entry" end end end local k = nil local month = "" for i = 1, #months do k = string.find(date, months[i]) if k == nil then k = string.find(date, string.lower(string.sub(months[i], 1, 1)) .. string.sub(months[i], 2)) end if k == nil then k = string.find(date, string.lower(string.sub(months[i], 1, 1)) .. string.sub(months[i], 2, 3)) end if k == nil then k = string.find(date, string.sub(months[i], 1, 1) .. string.sub(months[i], 2, 3)) end if k ~= nil then month = months[i] end end if day ~= "" and year ~= "" and month == "" and string.find(date, "[-,/]") ~= nil then day, month, year = string.match(date, "(%d+)[-, /](%d+)[-, /](%d+)") local a, b, c = day, month, year if tonumber(a) > 31 then year = a elseif tonumber(b) > 31 then year = b elseif tonumber(c) > 31 then year = c end if tonumber(a) > 12 and year ~= nil and year ~= a then day = a elseif tonumber(b) > 12 and year ~= nil and year ~= b then day = b elseif tonumber(c) > 12 and year ~= nil and year ~= c then day = c end if (year == a and day == b) or (year == b and day == a) then month = months[tonumber(c)] elseif (year == b and day == c) or (year == c and day == b) then month = months[a] elseif (year == a and day == c) or (year == c and day == a) then month = months[tonumber(b)] else day, month, year = a, months[tonumber(b)], c end end right = {} for i = 1, 12 do if i == 2 then if year % 400 == 0 or (year % 100 ~= 0 and year % 4 == 0) then right[i] = 29 else right[i] = 28 end elseif i <= 7 then right[i] = 30 + i % 2 else right[i] = 31 - i % 2 end end if right[months[i]] < day then ans = "Invalid entry" end --Formatting unpacked date local u_date = "" local dop = "" if ans ~= "Invalid entry" then if format == "mdy" then u_date = month .. " " .. day .. ", " .. year elseif format == "dmy" then u_date = day .. " " .. month .. " " .. year elseif format == "iso" then u_date = year .. "-" .. months[month] .. "-" .. day elseif format == "year" then u_date = year elseif format == "month and year" then u_date = month .. " " .. year else u_date = day .. " " .. month .. " " .. year end if string.find(date, "(uncertain)") ~= nil or string.find(date, "around") ~= nil then dop = "circa " end else u_date = ans end return dop .. u_date end return p |
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