|
|
Zeile 1: |
Zeile 1: |
| -- Implement various "age of" and other date-related templates. | | --[[ Code for some date functions, including implementations of: |
| | {{Age in days}} age_days |
| | {{Age in years and months}} age_ym |
| | {{Gregorian serial date}} gsd_ymd |
| | Calendar functions will be needed in many areas, so this may be superseded |
| | by some other system, perhaps using PHP functions accessed via mediawiki. |
| | ]] |
|
| |
|
| local _Date, _current_date | | local MINUS = '−' -- Unicode U+2212 MINUS SIGN |
| local function get_exports(frame)
| |
| -- Return objects exported from the date module or its sandbox.
| |
| if not _Date then
| |
| local sandbox = frame:getTitle():find('sandbox', 1, true) and '/sandbox' or ''
| |
| local datemod = require('Module:Date' .. sandbox)
| |
| _Date = datemod._Date
| |
| _current_date = datemod._current
| |
| end
| |
| return _Date, _current_date
| |
| end
| |
|
| |
|
| local function collection() | | local function number_name(number, singular, plural, sep) |
| -- Return a table to hold items.
| | -- Return the given number, converted to a string, with the |
| return {
| | -- separator (default space) and singular or plural name appended. |
| n = 0,
| | plural = plural or (singular .. 's') |
| add = function (self, item)
| | sep = sep or ' ' |
| self.n = self.n + 1
| | return tostring(number) .. sep .. ((number == 1) and singular or plural) |
| self[self.n] = item
| | -- this uses an interesting trick of Lua: |
| end,
| | -- * and returns false if the first argument is false, and the second otherwise, so (number==1) and singular returns singular if its 1, returns false if it is only 1 |
| join = function (self, sep)
| | -- * or returns the first argument if it is not false, and the second argument if the first is false |
| return table.concat(self, sep)
| | -- * so, if number is 1, and evaluates (true and singular) returning (singular); or evaluates (singular or plural), finds singular non-false, and returns singular |
| end,
| | -- * but, if number is not 1, and evaluates (false and singular) returning (false); or evaluates (false or plural), and is forced to return plural |
| }
| |
| end | | end |
|
| |
|
| local function strip_to_nil(text) | | local function strip_to_nil(text) |
| -- If text is a string, return its trimmed content, or nil if empty.
| | -- If text is a non-blank string, return its content with no leading |
| -- Otherwise return text (which may, for example, be nil).
| | -- or trailing whitespace. |
| if type(text) == 'string' then
| | -- Otherwise return nil (a nil or empty string argument gives a nil |
| text = text:match('(%S.-)%s*$')
| | -- result, as does a string argument of only whitespace). |
| end
| | if type(text) == 'string' then |
| return text
| | local result = text:match("^%s*(.-)%s*$") |
| | if result ~= '' then |
| | return result |
| | end |
| | end |
| | return nil |
| end | | end |
|
| |
|
| local function yes(parameter) | | local function is_leap_year(year) |
| -- Return true if parameter should be interpreted as "yes".
| | -- Return true if year is a leap year, assuming Gregorian calendar. |
| -- Do not want to accept mixed upper/lowercase unless done by current templates.
| | return year % 4 == 0 and (year % 100 ~= 0 or year % 400 == 0) |
| -- Need to accept "on" because "round=on" is wanted.
| |
| return ({ y = true, yes = true, on = true })[parameter]
| |
| end | | end |
|
| |
|
| local function message(msg, nocat) | | local function days_in_month(year, month) |
| -- Return formatted message text for an error.
| | -- Return number of days (1..31) in given month (1..12). |
| -- Can append "#FormattingError" to URL of a page with a problem to find it.
| | local month_days = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 } |
| local anchor = '<span id="FormattingError" />'
| | if month == 2 and is_leap_year(year) then |
| local category
| | return 29 |
| if not nocat and mw.title.getCurrentTitle():inNamespaces(0, 10) then
| | end |
| -- Category only in namespaces: 0=article, 10=template.
| | return month_days[month] |
| category = '[[Category:Age error]]'
| |
| else
| |
| category = ''
| |
| end
| |
| return anchor ..
| |
| '<strong class="error">Error: ' ..
| |
| mw.text.nowiki(msg) ..
| |
| '</strong>' ..
| |
| category
| |
| end | | end |
|
| |
|
| local function formatnumber(number)
| | -- A table to get current year/month/day (UTC), but only if needed. |
| -- Return the given number formatted with commas as group separators,
| | local current = setmetatable({}, { |
| -- given that the number is an integer.
| | __index = function (self, key) |
| local numstr = tostring(number)
| | local d = os.date('!*t') |
| local length = #numstr
| | self.year = d.year |
| local places = collection()
| | self.month = d.month |
| local pos = 0
| | self.day = d.day |
| repeat
| | return rawget(self, key) |
| places:add(pos)
| | end |
| pos = pos + 3
| | }) |
| until pos >= length
| | |
| places:add(length)
| | local function date_component(named, positional, component) |
| local groups = collection()
| | -- Return the first of the two arguments that is not nil and is not empty. |
| for i = places.n, 2, -1 do
| | -- If both are nil, return the current date component, if specified. |
| local p1 = length - places[i] + 1
| | -- The returned value is nil or is a number. |
| local p2 = length - places[i - 1]
| | -- This translates empty arguments passed to the template to nil, and |
| groups:add(numstr:sub(p1, p2))
| | -- optionally replaces a nil argument with a value from the current date. |
| end
| | named = strip_to_nil(named) |
| return groups:join(',')
| | if named then |
| | return tonumber(named) |
| | end |
| | positional = strip_to_nil(positional) |
| | if positional then |
| | return tonumber(positional) |
| | end |
| | if component then |
| | return current[component] |
| | end |
| | return nil |
| end | | end |
|
| |
|
| local function make_sort(value, sortable) | | local function gsd(year, month, day) |
| -- Return a sort key in a span if specified.
| | -- Return the Gregorian serial day (an integer >= 1) for the given date, |
| -- Assume value is a valid number which has not overflowed.
| | -- or return nil if the date is invalid (only check that year >= 1). |
| if sortable == 'sortable_on' or sortable == 'sortable_debug' then
| | -- This is the number of days from the start of 1 AD (there is no year 0). |
| local sortkey
| | -- This code implements the logic in [[Template:Gregorian serial date]]. |
| if value == 0 then
| | if year < 1 then |
| sortkey = '5000000000000000000'
| | return nil |
| else
| | end |
| local mag = math.floor(math.log10(math.abs(value)) + 1e-14)
| | local floor = math.floor |
| local prefix
| | local days_this_year = (month - 1) * 30.5 + day |
| if value > 0 then
| | if month > 2 then |
| prefix = 7000 + mag
| | if is_leap_year(year) then |
| else
| | days_this_year = days_this_year - 1 |
| prefix = 2999 - mag
| | else |
| value = value + 10^(mag+1)
| | days_this_year = days_this_year - 2 |
| end
| | end |
| sortkey = string.format('%d', prefix) .. string.format('%015.0f', math.floor(value * 10^(14-mag)))
| | if month > 8 then |
| end
| | days_this_year = days_this_year + 0.9 |
| local lhs = sortable == 'sortable_debug' and
| | end |
| '<span style="border:1px solid;display:inline;" class="sortkey">' or
| | end |
| '<span style="display:none" class="sortkey">'
| | days_this_year = floor(days_this_year + 0.5) |
| return lhs .. sortkey .. '♠</span>'
| | year = year - 1 |
| end
| | local days_from_past_years = year * 365 |
| | + floor(year / 4) |
| | - floor(year / 100) |
| | + floor(year / 400) |
| | return days_from_past_years + days_this_year |
| end | | end |
|
| |
|
| local translate_parameters = { | | local Date = { |
| abbr = {
| | -- A naive date that assumes the Gregorian calendar always applied. |
| off = 'abbr_off',
| | year = 0, -- 1 to 9999 (0 if never set) |
| on = 'abbr_on',
| | month = 1, -- 1 to 12 |
| },
| | day = 1, -- 1 to 31 |
| disp = {
| | isvalid = false, |
| age = 'disp_age',
| | new = function (self, o) |
| raw = 'disp_raw',
| | o = o or {} |
| },
| | setmetatable(o, self) |
| format = {
| | self.__index = self |
| raw = 'format_raw',
| | return o |
| commas = 'format_commas',
| | end |
| },
| |
| round = {
| |
| on = 'on',
| |
| yes = 'on',
| |
| months = 'ym',
| |
| weeks = 'ymw',
| |
| days = 'ymd',
| |
| hours = 'ymdh',
| |
| },
| |
| sep = {
| |
| comma = 'sep_comma',
| |
| [','] = 'sep_comma',
| |
| serialcomma = 'sep_serialcomma',
| |
| space = 'sep_space',
| |
| },
| |
| show = {
| |
| hide = { id = 'hide' },
| |
| y = { 'y', id = 'y' },
| |
| ym = { 'y', 'm', id = 'ym' },
| |
| ymd = { 'y', 'm', 'd', id = 'ymd' },
| |
| ymw = { 'y', 'm', 'w', id = 'ymw' },
| |
| ymwd = { 'y', 'm', 'w', 'd', id = 'ymwd' },
| |
| yd = { 'y', 'd', id = 'yd', keepzero = true },
| |
| m = { 'm', id = 'm' },
| |
| md = { 'm', 'd', id = 'md' },
| |
| w = { 'w', id = 'w' },
| |
| wd = { 'w', 'd', id = 'wd' },
| |
| d = { 'd', id = 'd' },
| |
| dh = { 'd', 'H', id = 'dh' },
| |
| dhm = { 'd', 'H', 'M', id = 'dhm' },
| |
| ymdh = { 'y', 'm', 'd', 'H', id = 'ymdh' },
| |
| ymdhm = { 'y', 'm', 'd', 'H', 'M', id = 'ymdhm' },
| |
| ymwdh = { 'y', 'm', 'w', 'd', 'H', id = 'ymwdh' },
| |
| ymwdhm = { 'y', 'm', 'w', 'd', 'H', 'M', id = 'ymwdhm' },
| |
| },
| |
| sortable = {
| |
| off = false,
| |
| on = 'sortable_on',
| |
| debug = 'sortable_debug',
| |
| },
| |
| } | | } |
|
| |
|
| local function date_extract(frame)
| | function Date:__lt(rhs) |
| -- Return part of a date after performing an optional operation.
| | -- Return true if self < rhs. |
| local Date = get_exports(frame)
| | if self.year < rhs.year then |
| local args = frame:getParent().args
| | return true |
| local parms = {}
| | elseif self.year == rhs.year then |
| for i, v in ipairs(args) do
| | if self.month < rhs.month then |
| parms[i] = v
| | return true |
| end
| | elseif self.month == rhs.month then |
| if yes(args.fix) then
| | return self.day < rhs.day |
| table.insert(parms, 'fix')
| | end |
| end
| | end |
| if yes(args.partial) then
| | return false |
| table.insert(parms, 'partial')
| | -- probably simplify to return (self.year < rhs.year) or ((self.year == rhs.year) and ((self.month < rhs.month) or ((self.month == rhs.month) and (self.day < rhs.day)))) |
| end
| | -- would be just as efficient, as lua does not evaluate second argument of (true or second_argument) |
| local date = Date(unpack(parms))
| | -- or similarly return self.year < rhs.year ? true : self.year > rhs.year ? false : self.month < rhs.month ? true : self.month > rhs.month ? false : self.day < rhs.day |
| if not date then
| |
| return message('Need valid date')
| |
| end
| |
| local add = strip_to_nil(args.add)
| |
| if add then
| |
| for item in add:gmatch('%S+') do
| |
| date = date + item
| |
| if not date then
| |
| return message('Cannot add "' .. item .. '"')
| |
| end
| |
| end
| |
| end
| |
| local prefix, result
| |
| local sortable = translate_parameters.sortable[args.sortable]
| |
| if sortable then
| |
| local value = (date.partial and date.partial.first or date).jdz
| |
| prefix = make_sort(value, sortable)
| |
| end
| |
| local show = strip_to_nil(args.show) or 'dmy'
| |
| if show ~= 'hide' then
| |
| result = date[show]
| |
| if result == nil then
| |
| result = date:text(show)
| |
| elseif type(result) == 'boolean' then
| |
| result = result and '1' or '0'
| |
| else
| |
| result = tostring(result)
| |
| end
| |
| end
| |
| return (prefix or '') .. (result or '')
| |
| end | | end |
|
| |
|
| local function make_text(values, components, names, options)
| | function Date:set_current() |
| -- Return wikitext representing an age or duration.
| | -- Set date from current time (UTC) and return self. |
| local text = collection()
| | self.year = current.year |
| local count = #values
| | self.month = current.month |
| local sep = names.sep or ''
| | self.day = current.day |
| for i, v in ipairs(values) do
| | self.isvalid = true |
| -- v is a number (say 4 for 4 years), or a table ({4,5} for 4 or 5 years).
| | return self |
| local islist = type(v) == 'table'
| |
| if (islist or v > 0) or (text.n == 0 and i == count) or (text.n > 0 and components.keepzero) then
| |
| local fmt, vstr
| |
| if i == 1 and options.format == 'format_commas' then
| |
| -- Numbers after the first should be small and not need formatting.
| |
| fmt = formatnumber
| |
| else
| |
| fmt = tostring
| |
| end
| |
| if islist then
| |
| local join = options.range == 'dash' and '–' or ' or '
| |
| vstr = fmt(v[1]) .. join .. fmt(v[2])
| |
| else
| |
| vstr = fmt(v)
| |
| end
| |
| local name = names[components[i]]
| |
| if name then
| |
| local plural = names.plural
| |
| if not plural or (islist and v[2] or v) == 1 then
| |
| plural = ''
| |
| end
| |
| text:add(vstr .. sep .. name .. plural)
| |
| else
| |
| text:add(vstr)
| |
| end
| |
| end
| |
| end
| |
| local first, last
| |
| if options.join == 'sep_space' then
| |
| first = ' '
| |
| last = ' '
| |
| elseif options.join == 'sep_comma' then
| |
| first = ', '
| |
| last = ', '
| |
| elseif options.join == 'sep_serialcomma' and text.n > 2 then
| |
| first = ', '
| |
| last = ', and '
| |
| else
| |
| first = ', '
| |
| last = ' and '
| |
| end
| |
| for i, v in ipairs(text) do
| |
| if i < text.n then
| |
| text[i] = v .. (i + 1 < text.n and first or last)
| |
| end
| |
| end
| |
| local sign = ''
| |
| if options.isnegative then
| |
| -- Do not display negative zero.
| |
| if text.n > 1 or (text.n == 1 and text[1]:sub(1, 1) ~= '0' ) then
| |
| if options.format == 'format_raw' then
| |
| sign = '-' -- plain hyphen so result can be used in a calculation
| |
| else
| |
| sign = '−' -- Unicode U+2212 MINUS SIGN
| |
| end
| |
| end
| |
| end
| |
| return
| |
| (options.prefix or '') ..
| |
| sign ..
| |
| text:join() ..
| |
| (options.suffix or '')
| |
| end | | end |
|
| |
|
| local function date_difference(parms)
| | function Date:set_ymd(y, m, d) |
| -- Return a formatted date difference using the given parameters
| | -- Set date from year, month, day (strings or numbers) and return self. |
| -- which have been validated.
| | -- LATER: If m is a name like "March" or "mar", translate it to a month. |
| local names = {
| | y = tonumber(y) |
| abbr_off = {
| | m = tonumber(m) |
| plural = 's',
| | d = tonumber(d) |
| sep = ' ',
| | if type(y) == 'number' and type(m) == 'number' and type(d) == 'number' then |
| y = 'year',
| | self.year = y |
| m = 'month',
| | self.month = m |
| w = 'week',
| | self.day = d |
| d = 'day',
| | self.isvalid = (1 <= y and y <= 9999 and 1 <= m and m <= 12 and |
| H = 'hour',
| | 1 <= d and d <= days_in_month(y, m)) |
| M = 'minute',
| | end |
| },
| | return self |
| abbr_on = {
| |
| y = 'y',
| |
| m = 'm',
| |
| w = 'w',
| |
| d = 'd',
| |
| H = 'h',
| |
| M = 'm',
| |
| },
| |
| abbr_infant = { -- for {{age for infant}}
| |
| plural = 's',
| |
| sep = ' ',
| |
| y = 'yr',
| |
| m = 'mo',
| |
| w = 'wk',
| |
| d = 'day',
| |
| H = 'hr',
| |
| M = 'min',
| |
| },
| |
| abbr_raw = {},
| |
| }
| |
| local diff = parms.diff -- must be a valid date difference
| |
| local show = parms.show -- may be nil; default is set below
| |
| local abbr = parms.abbr or 'abbr_off'
| |
| local default_join
| |
| if abbr ~= 'abbr_off' then
| |
| default_join = 'sep_space'
| |
| end
| |
| if not show then
| |
| show = 'ymd'
| |
| if parms.disp == 'disp_age' then
| |
| if diff.years < 3 then
| |
| default_join = 'sep_space'
| |
| if diff.years >= 1 then
| |
| show = 'ym'
| |
| else
| |
| show = 'md'
| |
| end
| |
| else
| |
| show = 'y'
| |
| end
| |
| end
| |
| end
| |
| if type(show) ~= 'table' then
| |
| show = translate_parameters.show[show]
| |
| end
| |
| if parms.disp == 'disp_raw' then
| |
| default_join = 'sep_space'
| |
| abbr = 'abbr_raw'
| |
| elseif parms.want_sc then
| |
| default_join = 'sep_serialcomma'
| |
| end
| |
| local diff_options = {
| |
| round = parms.round,
| |
| duration = parms.want_duration,
| |
| range = parms.range and true or nil,
| |
| }
| |
| local prefix
| |
| if parms.sortable then
| |
| local value = diff.age_days + (parms.want_duration and 1 or 0) -- days and fraction of a day
| |
| if diff.isnegative then
| |
| value = -value
| |
| end
| |
| prefix = make_sort(value, parms.sortable)
| |
| end
| |
| local text_options = {
| |
| prefix = prefix,
| |
| suffix = parms.suffix, -- not currently used
| |
| format = parms.format,
| |
| join = parms.sep or default_join,
| |
| isnegative = diff.isnegative,
| |
| range = parms.range,
| |
| }
| |
| if show.id == 'hide' then
| |
| return prefix or ''
| |
| end
| |
| local values = { diff:age(show.id, diff_options) }
| |
| return make_text(values, show, names[abbr], text_options)
| |
| end | | end |
|
| |
|
| local function get_dates(frame, getopt) | | local DateDiff = { |
| -- Parse template parameters and return one of:
| | -- Simple difference between two dates, assuming Gregorian calendar. |
| -- * date (a date table, if single)
| | isnegative = false, -- true if second date is before first |
| -- * date1, date2 (two date tables, if not single)
| | years = 0, |
| -- * text (a string error message)
| | months = 0, |
| -- A missing date is replaced with the current date.
| | days = 0, |
| -- If want_mixture is true, a missing date component is replaced
| | new = function (self, o) |
| -- from the current date, so can get a bizarre mixture of
| | o = o or {} |
| -- specified/current y/m/d as has been done by some "age" templates.
| | setmetatable(o, self) |
| -- Some results may be placed in table getopt.
| | self.__index = self |
| local Date, current_date = get_exports(frame)
| | return o |
| getopt = getopt or {}
| | end |
| local fix = getopt.fix and 'fix' or ''
| | } |
| local partial = getopt.range and 'partial' or ''
| | |
| local args = frame:getParent().args
| | function DateDiff:set(date1, date2) |
| local fields = {}
| | -- Set difference between the two dates, and return self. |
| local is_named = args.year or args.year1 or args.year2 or
| | -- Difference is negative if the second date is older than the first. |
| args.month or args.month1 or args.month2 or
| | local isnegative |
| args.day or args.day1 or args.day2
| | if date2 < date1 then |
| if is_named then
| | isnegative = true |
| fields[1] = args.year1 or args.year
| | date1, date2 = date2, date1 |
| fields[2] = args.month1 or args.month
| | else |
| fields[3] = args.day1 or args.day
| | isnegative = false |
| fields[4] = args.year2
| | end |
| fields[5] = args.month2
| | -- It is known that date1 <= date2. |
| fields[6] = args.day2
| | local y1, m1, d1 = date1.year, date1.month, date1.day |
| else
| | local y2, m2, d2 = date2.year, date2.month, date2.day |
| for i = 1, 6 do
| | local years, months, days = y2 - y1, m2 - m1, d2 - d1 |
| fields[i] = args[i]
| | if days < 0 then |
| end
| | days = days + days_in_month(y1, m1) |
| end
| | months = months - 1 |
| local imax = 0
| | end |
| for i = 1, 6 do
| | if months < 0 then |
| fields[i] = strip_to_nil(fields[i])
| | months = months + 12 |
| if fields[i] then
| | years = years - 1 |
| imax = i
| | end |
| end
| | self.years, self.months, self.days, self.isnegative = years, months, days, isnegative |
| end
| | return self |
| local single = getopt.single
| |
| local dates = {}
| |
| if is_named or imax > 2 then
| |
| local nr_dates = single and 1 or 2
| |
| if getopt.want_mixture then
| |
| -- Cannot be partial since empty fields are set from current.
| |
| local components = { 'year', 'month', 'day' }
| |
| for i = 1, nr_dates * 3 do
| |
| fields[i] = fields[i] or current_date[components[i > 3 and i - 3 or i]]
| |
| end
| |
| for i = 1, nr_dates do
| |
| local index = i == 1 and 1 or 4
| |
| dates[i] = Date(fields[index], fields[index+1], fields[index+2])
| |
| end
| |
| else
| |
| for i = 1, nr_dates do
| |
| local index = i == 1 and 1 or 4
| |
| local y, m, d = fields[index], fields[index+1], fields[index+2]
| |
| if (partial and y) or (y and m and d) then
| |
| dates[i] = Date(fix, partial, y, m, d)
| |
| elseif not (y or m or d) then
| |
| dates[i] = Date('currentdate')
| |
| end
| |
| end
| |
| end
| |
| else
| |
| getopt.textdates = true
| |
| dates[1] = Date(fix, partial, fields[1] or 'currentdate')
| |
| if not single then
| |
| dates[2] = Date(fix, partial, fields[2] or 'currentdate')
| |
| end
| |
| end
| |
| if not dates[1] then
| |
| return message('Need valid year, month, day')
| |
| end
| |
| if single then
| |
| return dates[1]
| |
| end
| |
| if not dates[2] then
| |
| return message('Second date should be year, month, day')
| |
| end
| |
| return dates[1], dates[2]
| |
| end | | end |
|
| |
|
| local function age_generic(frame)
| | function DateDiff:age_ym() |
| -- Return the result required by the specified template.
| | -- Return text specifying difference in years, months. |
| -- Can use sortable=x where x = on/off/debug in any supported template.
| | local sign = self.isnegative and MINUS or '' |
| -- Some templates default to sortable=on but can be overridden with sortable=off.
| | local mtext = number_name(self.months, 'month') |
| local name = frame.args.template
| | local result |
| if not name then
| | if self.years > 0 then |
| return message('The template invoking this must have "|template=x" where x is the wanted operation')
| | local ytext = number_name(self.years, 'year') |
| end
| | if self.months == 0 then |
| local args = frame:getParent().args
| | result = ytext |
| local specs = {
| | else |
| age_days = { -- {{age in days}}
| | result = ytext .. ', ' .. mtext |
| show = 'd',
| | end |
| disp = 'disp_raw',
| | else |
| },
| | if self.months == 0 then |
| age_days_nts = { -- {{age in days nts}}
| | sign = '' |
| show = 'd',
| | end |
| disp = 'disp_raw',
| | result = mtext |
| format = 'format_commas',
| | end |
| sortable = 'on',
| | return sign .. result |
| },
| |
| duration_days = { -- {{duration in days}}
| |
| show = 'd',
| |
| disp = 'disp_raw',
| |
| duration = true,
| |
| },
| |
| duration_days_nts = { -- {{duration in days nts}}
| |
| show = 'd',
| |
| disp = 'disp_raw',
| |
| format = 'format_commas',
| |
| sortable = 'on',
| |
| duration = true,
| |
| },
| |
| age_full_years = { -- {{age}}
| |
| show = 'y',
| |
| abbr = 'abbr_raw',
| |
| },
| |
| age_full_years_nts = { -- {{age nts}}
| |
| show = 'y',
| |
| abbr = 'abbr_raw',
| |
| format = 'format_commas',
| |
| sortable = 'on',
| |
| },
| |
| age_in_years = { -- {{age in years}}
| |
| show = 'y',
| |
| abbr = 'abbr_raw',
| |
| negative = 'error',
| |
| range = 'dash',
| |
| },
| |
| age_in_years_nts = { -- {{age in years nts}}
| |
| show = 'y',
| |
| abbr = 'abbr_raw',
| |
| negative = 'error',
| |
| range = 'dash',
| |
| format = 'format_commas',
| |
| sortable = 'on',
| |
| },
| |
| age_infant = { -- {{age for infant}}
| |
| -- Do not set show because special processing is done later.
| |
| abbr = yes(args.abbr) and 'abbr_infant' or 'abbr_off',
| |
| disp = 'disp_age',
| |
| sep = 'sep_space',
| |
| sortable = 'on',
| |
| },
| |
| age_m = { -- {{age in months}}
| |
| show = 'm',
| |
| disp = 'disp_raw',
| |
| },
| |
| age_w = { -- {{age in weeks}}
| |
| show = 'w',
| |
| disp = 'disp_raw',
| |
| },
| |
| age_wd = { -- {{age in weeks and days}}
| |
| show = 'wd',
| |
| },
| |
| age_yd = { -- {{age in years and days}}
| |
| show = 'yd',
| |
| sep = args.sep ~= 'and' and 'sep_comma' or nil,
| |
| sortable = 'on',
| |
| },
| |
| age_ym = { -- {{age in years and months}}
| |
| show = 'ym',
| |
| sep = 'sep_comma',
| |
| },
| |
| age_ymd = { -- {{age in years, months and days}}
| |
| show = 'ymd',
| |
| range = true,
| |
| },
| |
| age_ymwd = { -- {{age in years, months, weeks and days}}
| |
| show = 'ymwd',
| |
| want_mixture = true,
| |
| },
| |
| }
| |
| local spec = specs[name]
| |
| if not spec then
| |
| return message('The specified template name is not valid')
| |
| end
| |
| if name == 'age_days' then
| |
| local su = strip_to_nil(args['show unit'])
| |
| if su then
| |
| if su == 'abbr' or su == 'full' then
| |
| spec.disp = nil
| |
| spec.abbr = su == 'abbr' and 'abbr_on' or nil
| |
| end
| |
| end
| |
| end
| |
| local range = spec.range or yes(args.range) or (args.range == 'dash' and 'dash' or nil)
| |
| local getopt = {
| |
| fix = yes(args.fix),
| |
| range = range,
| |
| want_mixture = spec.want_mixture,
| |
| }
| |
| local date1, date2 = get_dates(frame, getopt)
| |
| if type(date1) == 'string' then
| |
| return date1
| |
| end
| |
| local format = strip_to_nil(args.format)
| |
| if format then
| |
| format = 'format_' .. format
| |
| elseif name == 'age_days' and getopt.textdates then
| |
| format = 'format_commas'
| |
| end
| |
| local parms = {
| |
| diff = date2 - date1,
| |
| want_duration = spec.duration or yes(args.duration),
| |
| range = range,
| |
| want_sc = yes(args.sc),
| |
| show = args.show == 'hide' and 'hide' or spec.show,
| |
| abbr = spec.abbr,
| |
| disp = spec.disp,
| |
| format = format or spec.format,
| |
| round = yes(args.round),
| |
| sep = spec.sep,
| |
| sortable = translate_parameters.sortable[args.sortable or spec.sortable],
| |
| }
| |
| if (spec.negative or frame.args.negative) == 'error' and parms.diff.isnegative then
| |
| return message('The second date should not be before the first date')
| |
| end
| |
| return date_difference(parms)
| |
| end | | end |
|
| |
|
| local function date_to_gsd(frame) | | local function error_wikitext(text) |
| -- This implements {{gregorian serial date}}.
| | -- Return message for display when template parameters are invalid. |
| -- Return Gregorian serial date of the given date, or the current date.
| | local prefix = '[[Module talk:Age|Module error]]:' |
| -- The returned value is negative for dates before 1 January 1 AD
| | local cat = '[[Category:Age error]]' |
| -- despite the fact that GSD is not defined for such dates.
| | return '<span style="color:black; background-color:pink;">' .. |
| local date = get_dates(frame, { want_mixture=true, single=true })
| | prefix .. ' ' .. text .. cat .. '</span>' |
| if type(date) == 'string' then
| |
| return date
| |
| end
| |
| return tostring(date.gsd)
| |
| end | | end |
|
| |
|
| local function jd_to_date(frame) | | local function age_days(frame) |
| -- Return formatted date from a Julian date.
| | -- Return age in days between two given dates, or |
| -- The result includes a time if the input includes a fraction.
| | -- between given date and current date. |
| -- The word 'Julian' is accepted for the Julian calendar.
| | -- This code implements the logic in [[Template:Age in days]]. |
| local Date = get_exports(frame)
| | -- Like {{Age in days}}, a missing argument is replaced from the current |
| local args = frame:getParent().args
| | -- date, so can get a bizarre mixture of specified/current y/m/d. |
| local date = Date('juliandate', args[1], args[2])
| | local args = frame:getParent().args |
| if date then
| | local year1 = date_component(args.year1 , args[1], 'year' ) |
| return date:text()
| | local month1 = date_component(args.month1, args[2], 'month') |
| end
| | local day1 = date_component(args.day1 , args[3], 'day' ) |
| return message('Need valid Julian date number')
| | local year2 = date_component(args.year2 , args[4], 'year' ) |
| | local month2 = date_component(args.month2, args[5], 'month') |
| | local day2 = date_component(args.day2 , args[6], 'day' ) |
| | local gsd1 = gsd(year1, month1, day1) |
| | local gsd2 = gsd(year2, month2, day2) |
| | if gsd1 and gsd2 then |
| | local sign = '' |
| | local result = gsd2 - gsd1 |
| | if result < 0 then |
| | sign = MINUS |
| | result = -result |
| | end |
| | return sign .. tostring(result) |
| | end |
| | return error_wikitext('Cannot handle dates before the year 1 AD') |
| end | | end |
|
| |
|
| local function date_to_jd(frame) | | local function age_ym(frame) |
| -- Return Julian date (a number) from a date which may include a time,
| | -- Return age in years and months between two given dates, or |
| -- or the current date ('currentdate') or current date and time ('currentdatetime').
| | -- between given date and current date. |
| -- The word 'Julian' is accepted for the Julian calendar.
| | local args = frame:getParent().args |
| local Date = get_exports(frame)
| | local fields = {} |
| local args = frame:getParent().args
| | for i = 1, 6 do |
| local date = Date(args[1], args[2], args[3], args[4], args[5], args[6], args[7])
| | fields[i] = strip_to_nil(args[i]) |
| if date then
| | end |
| return tostring(date.jd)
| | local date1, date2 |
| end
| | if fields[1] and fields[2] and fields[3] then |
| return message('Need valid year/month/day or "currentdate"')
| | date1 = Date:new():set_ymd(fields[1], fields[2], fields[3]) |
| | end |
| | if not (date1 and date1.isvalid) then |
| | return error_wikitext('Need date: year, month, day') |
| | end |
| | if fields[4] and fields[5] and fields[6] then |
| | date2 = Date:new():set_ymd(fields[4], fields[5], fields[6]) |
| | if not date2.isvalid then |
| | return error_wikitext('Second date should be year, month, day') |
| | end |
| | else |
| | date2 = Date:new():set_current() |
| | end |
| | return DateDiff:new():set(date1, date2):age_ym() |
| end | | end |
|
| |
|
| local function time_interval(frame) | | local function gsd_ymd(frame) |
| -- This implements {{time interval}}.
| | -- Return Gregorian serial day of the given date, or the current date. |
| -- There are two positional arguments: date1, date2.
| | -- Like {{Gregorian serial date}}, a missing argument is replaced from the |
| -- The default for each is the current date and time.
| | -- current date, so can get a bizarre mixture of specified/current y/m/d. |
| -- Result is date2 - date1 formatted.
| | -- This accepts positional arguments, although the original template does not. |
| local Date = get_exports(frame)
| | local args = frame:getParent().args |
| local args = frame:getParent().args
| | local year = date_component(args.year , args[1], 'year' ) |
| local parms = {
| | local month = date_component(args.month, args[2], 'month') |
| want_duration = yes(args.duration),
| | local day = date_component(args.day , args[3], 'day' ) |
| range = yes(args.range) or (args.range == 'dash' and 'dash' or nil),
| | local result = gsd(year, month, day) |
| want_sc = yes(args.sc),
| | if result then |
| }
| | return tostring(result) |
| local fix = yes(args.fix) and 'fix' or ''
| | end |
| local date1 = Date(fix, 'partial', strip_to_nil(args[1]) or 'currentdatetime')
| | return error_wikitext('Cannot handle dates before the year 1 AD') |
| if not date1 then
| |
| return message('Invalid start date in first parameter')
| |
| end
| |
| local date2 = Date(fix, 'partial', strip_to_nil(args[2]) or 'currentdatetime')
| |
| if not date2 then
| |
| return message('Invalid end date in second parameter')
| |
| end
| |
| parms.diff = date2 - date1
| |
| for argname, translate in pairs(translate_parameters) do
| |
| local parm = strip_to_nil(args[argname])
| |
| if parm then
| |
| parm = translate[parm]
| |
| if parm == nil then -- test for nil because false is a valid setting
| |
| return message('Parameter ' .. argname .. '=' .. args[argname] .. ' is invalid')
| |
| end
| |
| parms[argname] = parm
| |
| end
| |
| end
| |
| if parms.round then
| |
| local round = parms.round
| |
| local show = parms.show
| |
| if round ~= 'on' then
| |
| if show then
| |
| if show.id ~= round then
| |
| return message('Parameter show=' .. args.show .. ' conflicts with round=' .. args.round)
| |
| end
| |
| else
| |
| parms.show = translate_parameters.show[round]
| |
| end
| |
| end
| |
| parms.round = true
| |
| end
| |
| return date_difference(parms)
| |
| end | | end |
|
| |
|
| return { | | return { age_days = age_days, age_ym = age_ym, gsd = gsd_ymd } |
| age_generic = age_generic, -- can emulate several age templates
| |
| gsd = date_to_gsd, -- Template:Gregorian_serial_date
| |
| extract = date_extract, -- Template:Extract
| |
| jd_to_date = jd_to_date, -- Template:?
| |
| JULIANDAY = date_to_jd, -- Template:JULIANDAY
| |
| time_interval = time_interval, -- Template:Time_interval
| |
| } | |