Difference between revisions of "Module:Age/sandbox"
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blackwiki>Johnuniq (replace age_generic with some debug code to see parameters) |
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-- Implement various "age of" and other date-related templates. | -- Implement various "age of" and other date-related templates. | ||
− | local _Date, | + | local mtext = { |
− | local function | + | -- Message and other text that should be localized. |
+ | ['mt-bad-param1'] = 'Invalid parameter $1', | ||
+ | ['mt-bad-param2'] = 'Parameter $1=$2 is invalid', | ||
+ | ['mt-bad-show'] = 'Parameter show=$1 is not supported here', | ||
+ | ['mt-cannot-add'] = 'Cannot add "$1"', | ||
+ | ['mt-conflicting-show'] = 'Parameter show=$1 conflicts with round=$2', | ||
+ | ['mt-date-wrong-order'] = 'The second date must be later in time than the first date', | ||
+ | ['mt-dd-future'] = 'Death date (first date) must not be in the future', | ||
+ | ['mt-dd-wrong-order'] = 'Death date (first date) must be later in time than the birth date (second date)', | ||
+ | ['mt-invalid-bd-age'] = 'Invalid birth date for calculating age', | ||
+ | ['mt-invalid-dates-age'] = 'Invalid dates for calculating age', | ||
+ | ['mt-invalid-end'] = 'Invalid end date in second parameter', | ||
+ | ['mt-invalid-start'] = 'Invalid start date in first parameter', | ||
+ | ['mt-need-jdn'] = 'Need valid Julian date number', | ||
+ | ['mt-need-valid-bd'] = 'Need valid birth date: year, month, day', | ||
+ | ['mt-need-valid-bd2'] = 'Need valid birth date (second date): year, month, day', | ||
+ | ['mt-need-valid-date'] = 'Need valid date', | ||
+ | ['mt-need-valid-dd'] = 'Need valid death date (first date): year, month, day', | ||
+ | ['mt-need-valid-ymd'] = 'Need valid year, month, day', | ||
+ | ['mt-need-valid-ymd-current'] = 'Need valid year|month|day or "currentdate"', | ||
+ | ['mt-need-valid-ymd2'] = 'Second date should be year, month, day', | ||
+ | ['mt-template-bad-name'] = 'The specified template name is not valid', | ||
+ | ['mt-template-x'] = 'The template invoking this must have "|template=x" where x is the wanted operation', | ||
+ | ['txt-age'] = '(age ', | ||
+ | ['txt-aged'] = ' (aged ', | ||
+ | ['txt-and'] = ' and ', | ||
+ | ['txt-comma-and'] = ', and ', | ||
+ | ['txt-error'] = 'Error: ', | ||
+ | ['txt-or'] = ' or ', | ||
+ | } | ||
+ | |||
+ | local translate, from_en, to_en, isZero | ||
+ | if translate then | ||
+ | -- Functions to translate from en to local language and reverse go here. | ||
+ | -- See example at [[:bn:Module:বয়স]]. | ||
+ | else | ||
+ | from_en = function (text) | ||
+ | return text | ||
+ | end | ||
+ | isZero = function (text) | ||
+ | return tonumber(text) == 0 | ||
+ | end | ||
+ | end | ||
+ | |||
+ | local _Date, _currentDate | ||
+ | local function getExports(frame) | ||
-- Return objects exported from the date module or its sandbox. | -- Return objects exported from the date module or its sandbox. | ||
if not _Date then | if not _Date then | ||
local sandbox = frame:getTitle():find('sandbox', 1, true) and '/sandbox' or '' | local sandbox = frame:getTitle():find('sandbox', 1, true) and '/sandbox' or '' | ||
local datemod = require('Module:Date' .. sandbox) | local datemod = require('Module:Date' .. sandbox) | ||
− | + | local realDate = datemod._Date | |
− | + | _currentDate = datemod._current | |
+ | if to_en then | ||
+ | _Date = function (...) | ||
+ | local args = {} | ||
+ | for i, v in ipairs({...}) do | ||
+ | args[i] = to_en(v) | ||
+ | end | ||
+ | return realDate(unpack(args)) | ||
+ | end | ||
+ | else | ||
+ | _Date = realDate | ||
+ | end | ||
end | end | ||
− | return _Date, | + | return _Date, _currentDate |
end | end | ||
− | local | + | local Collection -- a table to hold items |
− | + | Collection = { | |
− | + | add = function (self, item) | |
− | + | if item ~= nil then | |
− | |||
self.n = self.n + 1 | self.n = self.n + 1 | ||
self[self.n] = item | self[self.n] = item | ||
− | end, | + | end |
− | + | end, | |
− | + | join = function (self, sep) | |
− | end, | + | return table.concat(self, sep) |
− | } | + | end, |
− | end | + | remove = function (self, pos) |
+ | if self.n > 0 and (pos == nil or (0 < pos and pos <= self.n)) then | ||
+ | self.n = self.n - 1 | ||
+ | return table.remove(self, pos) | ||
+ | end | ||
+ | end, | ||
+ | sort = function (self, comp) | ||
+ | table.sort(self, comp) | ||
+ | end, | ||
+ | new = function () | ||
+ | return setmetatable({n = 0}, Collection) | ||
+ | end | ||
+ | } | ||
+ | Collection.__index = Collection | ||
− | local function | + | local function stripToNil(text) |
-- If text is a string, return its trimmed content, or nil if empty. | -- If text is a string, return its trimmed content, or nil if empty. | ||
-- Otherwise return text (which may, for example, be nil). | -- Otherwise return text (which may, for example, be nil). | ||
Line 43: | Line 111: | ||
end | end | ||
− | local function message(msg, | + | local function message(msg, id) |
− | -- Return formatted message text for an error. | + | -- Return formatted message text for an error or warning. |
− | + | local function getText(msg) | |
− | local | + | return mtext[msg] or error('Bug: message "' .. tostring(msg) .. '" not defined') |
− | + | end | |
− | + | local text | |
− | + | if type(msg) == 'table' then | |
− | + | text = getText(msg[1]) | |
+ | local rep = {} | ||
+ | for i, v in ipairs(msg) do | ||
+ | if i > 1 then | ||
+ | rep['$' .. (i - 1)] = v | ||
+ | end | ||
+ | end | ||
+ | text = text:gsub('$%d+', rep) | ||
+ | else | ||
+ | text = getText(msg) | ||
+ | end | ||
+ | local categories = { | ||
+ | error = '[[Category:Age error]]', | ||
+ | warning = '[[Category:Age error]]', -- same as error until determine whether 'Age warning' would be worthwhile | ||
+ | } | ||
+ | local a, b, category | ||
+ | if id == 'warning' then | ||
+ | a = '<sup>[<i>' | ||
+ | b = '</i>]</sup>' | ||
else | else | ||
− | + | a = '<strong class="error">' .. getText('txt-error') | |
+ | b = '</strong>' | ||
end | end | ||
− | + | if mw.title.getCurrentTitle():inNamespaces(0) then | |
− | ' | + | -- Category only in namespaces: 0=article. |
− | mw.text.nowiki( | + | category = categories[id or 'error'] |
− | + | end | |
− | category | + | return |
+ | a .. | ||
+ | mw.text.nowiki(text) .. | ||
+ | b .. | ||
+ | (category or '') | ||
end | end | ||
− | local function | + | local function formatNumber(number) |
-- Return the given number formatted with commas as group separators, | -- Return the given number formatted with commas as group separators, | ||
-- given that the number is an integer. | -- given that the number is an integer. | ||
local numstr = tostring(number) | local numstr = tostring(number) | ||
local length = #numstr | local length = #numstr | ||
− | local places = | + | local places = Collection.new() |
local pos = 0 | local pos = 0 | ||
repeat | repeat | ||
Line 73: | Line 164: | ||
until pos >= length | until pos >= length | ||
places:add(length) | places:add(length) | ||
− | local groups = | + | local groups = Collection.new() |
for i = places.n, 2, -1 do | for i = places.n, 2, -1 do | ||
local p1 = length - places[i] + 1 | local p1 = length - places[i] + 1 | ||
Line 82: | Line 173: | ||
end | end | ||
− | local function | + | local function spellNumber(number, options, i) |
− | -- Return a sort key | + | -- Return result of spelling number, or |
+ | -- return number (as a string) if cannot spell it. | ||
+ | -- i == 1 for the first number which can optionally start with an uppercase letter. | ||
+ | number = tostring(number) | ||
+ | return require('Module:ConvertNumeric').spell_number( | ||
+ | number, | ||
+ | nil, -- fraction numerator | ||
+ | nil, -- fraction denominator | ||
+ | i == 1 and options.upper, -- true: 'One' instead of 'one' | ||
+ | not options.us, -- true: use 'and' between tens/ones etc | ||
+ | options.adj, -- true: hyphenated | ||
+ | options.ordinal -- true: 'first' instead of 'one' | ||
+ | ) or number | ||
+ | end | ||
+ | |||
+ | local function makeExtra(args, flagCurrent) | ||
+ | -- Return extra text that will be inserted before the visible result | ||
+ | -- but after any sort key. | ||
+ | local extra = args.prefix or '' | ||
+ | if mw.ustring.len(extra) > 1 then | ||
+ | -- Parameter "~" gives "~3" whereas "over" gives "over 3". | ||
+ | if extra:sub(-6, -1) ~= ' ' then | ||
+ | extra = extra .. ' ' | ||
+ | end | ||
+ | end | ||
+ | if flagCurrent then | ||
+ | extra = '<span class="currentage"></span>' .. extra | ||
+ | end | ||
+ | return extra | ||
+ | end | ||
+ | |||
+ | local function makeSort(value, sortable) | ||
+ | -- Return a sort key if requested. | ||
-- Assume value is a valid number which has not overflowed. | -- Assume value is a valid number which has not overflowed. | ||
− | + | if sortable == 'sortable_table' or sortable == 'sortable_on' or sortable == 'sortable_debug' then | |
− | + | local sortKey | |
− | |||
− | |||
− | |||
− | local | ||
if value == 0 then | if value == 0 then | ||
− | + | sortKey = '5000000000000000000' | |
else | else | ||
local mag = math.floor(math.log10(math.abs(value)) + 1e-14) | local mag = math.floor(math.log10(math.abs(value)) + 1e-14) | ||
− | |||
if value > 0 then | if value > 0 then | ||
− | + | sortKey = 7000 + mag | |
else | else | ||
− | + | sortKey = 2999 - mag | |
value = value + 10^(mag+1) | value = value + 10^(mag+1) | ||
end | end | ||
− | + | sortKey = string.format('%d', sortKey) .. string.format('%015.0f', math.floor(value * 10^(14-mag))) | |
+ | end | ||
+ | local result | ||
+ | if sortable == 'sortable_table' then | ||
+ | result = 'data-sort-value="_SORTKEY_"|' | ||
+ | elseif sortable == 'sortable_debug' then | ||
+ | result = '<span data-sort-value="_SORTKEY_♠"><span style="border:1px solid">_SORTKEY_♠</span></span>' | ||
+ | else | ||
+ | result = '<span data-sort-value="_SORTKEY_♠"></span>' | ||
end | end | ||
− | + | return result:gsub('_SORTKEY_', sortKey) | |
− | |||
− | |||
− | |||
end | end | ||
end | end | ||
− | local function | + | local translateParameters = { |
+ | abbr = { | ||
+ | off = 'abbr_off', | ||
+ | on = 'abbr_on', | ||
+ | }, | ||
+ | disp = { | ||
+ | age = 'disp_age', | ||
+ | raw = 'disp_raw', | ||
+ | }, | ||
+ | format = { | ||
+ | raw = 'format_raw', | ||
+ | commas = 'format_commas', | ||
+ | }, | ||
+ | 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' }, | ||
+ | h = { 'H', id = 'h' }, | ||
+ | hm = { 'H', 'M', id = 'hm' }, | ||
+ | hms = { 'H', 'M', 'S', id = 'hms' }, | ||
+ | M = { 'M', id = 'M' }, | ||
+ | s = { 'S', id = 's' }, | ||
+ | d = { 'd', id = 'd' }, | ||
+ | dh = { 'd', 'H', id = 'dh' }, | ||
+ | dhm = { 'd', 'H', 'M', id = 'dhm' }, | ||
+ | dhms = { 'd', 'H', 'M', 'S', id = 'dhms' }, | ||
+ | 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', | ||
+ | table = 'sortable_table', | ||
+ | debug = 'sortable_debug', | ||
+ | }, | ||
+ | } | ||
+ | |||
+ | local spellOptions = { | ||
+ | cardinal = {}, | ||
+ | Cardinal = { upper = true }, | ||
+ | cardinal_us = { us = true }, | ||
+ | Cardinal_us = { us = true, upper = true }, | ||
+ | ordinal = { ordinal = true }, | ||
+ | Ordinal = { ordinal = true, upper = true }, | ||
+ | ordinal_us = { ordinal = true, us = true }, | ||
+ | Ordinal_us = { ordinal = true, us = true, upper = true }, | ||
+ | } | ||
+ | |||
+ | local function dateExtract(frame) | ||
+ | -- Return part of a date after performing an optional operation. | ||
+ | local Date = getExports(frame) | ||
+ | local args = frame:getParent().args | ||
+ | local parms = {} | ||
+ | for i, v in ipairs(args) do | ||
+ | parms[i] = v | ||
+ | end | ||
+ | if yes(args.fix) then | ||
+ | table.insert(parms, 'fix') | ||
+ | end | ||
+ | if yes(args.partial) then | ||
+ | table.insert(parms, 'partial') | ||
+ | end | ||
+ | local show = stripToNil(args.show) or 'dmy' | ||
+ | local date = Date(unpack(parms)) | ||
+ | if not date then | ||
+ | if show == 'format' then | ||
+ | return 'error' | ||
+ | end | ||
+ | return message('mt-need-valid-date') | ||
+ | end | ||
+ | local add = stripToNil(args.add) | ||
+ | if add then | ||
+ | for item in add:gmatch('%S+') do | ||
+ | date = date + item | ||
+ | if not date then | ||
+ | return message({ 'mt-cannot-add', item }) | ||
+ | end | ||
+ | end | ||
+ | end | ||
+ | local sortKey, result | ||
+ | local sortable = translateParameters.sortable[args.sortable] | ||
+ | if sortable then | ||
+ | local value = (date.partial and date.partial.first or date).jdz | ||
+ | sortKey = makeSort(value, sortable) | ||
+ | end | ||
+ | if show ~= 'hide' then | ||
+ | result = date[show] | ||
+ | if result == nil then | ||
+ | result = from_en(date:text(show)) | ||
+ | elseif type(result) == 'boolean' then | ||
+ | result = result and '1' or '0' | ||
+ | else | ||
+ | result = from_en(tostring(result)) | ||
+ | end | ||
+ | end | ||
+ | return (sortKey or '') .. makeExtra(args) .. (result or '') | ||
+ | end | ||
+ | |||
+ | local function rangeJoin(range) | ||
+ | -- Return text to be used between a range of ages. | ||
+ | return range == 'dash' and '–' or mtext['txt-or'] | ||
+ | end | ||
+ | |||
+ | local function makeText(values, components, names, options, noUpper) | ||
-- Return wikitext representing an age or duration. | -- Return wikitext representing an age or duration. | ||
− | local text = | + | local text = Collection.new() |
local count = #values | local count = #values | ||
local sep = names.sep or '' | local sep = names.sep or '' | ||
Line 119: | Line 369: | ||
-- v is a number (say 4 for 4 years), or a table ({4,5} for 4 or 5 years). | -- v is a number (say 4 for 4 years), or a table ({4,5} for 4 or 5 years). | ||
local islist = type(v) == 'table' | local islist = type(v) == 'table' | ||
− | if (islist or v > 0) or (text.n == 0 and i == count) or (text.n > 0 and components. | + | if (islist or v > 0) or (text.n == 0 and i == count) or (text.n > 0 and components.keepZero) then |
local fmt, vstr | local fmt, vstr | ||
− | if i == 1 and options.format == 'format_commas' then | + | if options.spell then |
+ | fmt = function(number) | ||
+ | return spellNumber(number, options.spell, noUpper or i) | ||
+ | end | ||
+ | elseif i == 1 and options.format == 'format_commas' then | ||
-- Numbers after the first should be small and not need formatting. | -- Numbers after the first should be small and not need formatting. | ||
− | fmt = | + | fmt = formatNumber |
else | else | ||
fmt = tostring | fmt = tostring | ||
end | end | ||
if islist then | if islist then | ||
− | + | vstr = fmt(v[1]) .. rangeJoin(options.range) | |
− | vstr = fmt(v[1]) .. | + | noUpper = true |
+ | vstr = vstr .. fmt(v[2]) | ||
else | else | ||
vstr = fmt(v) | vstr = fmt(v) | ||
Line 154: | Line 409: | ||
elseif options.join == 'sep_serialcomma' and text.n > 2 then | elseif options.join == 'sep_serialcomma' and text.n > 2 then | ||
first = ', ' | first = ', ' | ||
− | last = ' | + | last = mtext['txt-comma-and'] |
else | else | ||
first = ', ' | first = ', ' | ||
− | last = ' and ' | + | last = mtext['txt-and'] |
end | end | ||
for i, v in ipairs(text) do | for i, v in ipairs(text) do | ||
Line 176: | Line 431: | ||
end | end | ||
return | return | ||
− | (options. | + | (options.sortKey or '') .. |
+ | (options.extra or '') .. | ||
sign .. | sign .. | ||
text:join() .. | text:join() .. | ||
Line 182: | Line 438: | ||
end | end | ||
− | + | local function dateDifference(parms) | |
− | |||
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− | local function | ||
-- Return a formatted date difference using the given parameters | -- Return a formatted date difference using the given parameters | ||
-- which have been validated. | -- which have been validated. | ||
Line 248: | Line 451: | ||
H = 'hour', | H = 'hour', | ||
M = 'minute', | M = 'minute', | ||
+ | S = 'second', | ||
}, | }, | ||
abbr_on = { | abbr_on = { | ||
Line 256: | Line 460: | ||
H = 'h', | H = 'h', | ||
M = 'm', | M = 'm', | ||
+ | S = 's', | ||
}, | }, | ||
abbr_infant = { -- for {{age for infant}} | abbr_infant = { -- for {{age for infant}} | ||
Line 266: | Line 471: | ||
H = 'hr', | H = 'hr', | ||
M = 'min', | M = 'min', | ||
+ | S = 'sec', | ||
}, | }, | ||
abbr_raw = {}, | abbr_raw = {}, | ||
Line 272: | Line 478: | ||
local show = parms.show -- may be nil; default is set below | local show = parms.show -- may be nil; default is set below | ||
local abbr = parms.abbr or 'abbr_off' | local abbr = parms.abbr or 'abbr_off' | ||
− | local | + | local defaultJoin |
if abbr ~= 'abbr_off' then | if abbr ~= 'abbr_off' then | ||
− | + | defaultJoin = 'sep_space' | |
end | end | ||
if not show then | if not show then | ||
Line 280: | Line 486: | ||
if parms.disp == 'disp_age' then | if parms.disp == 'disp_age' then | ||
if diff.years < 3 then | if diff.years < 3 then | ||
− | + | defaultJoin = 'sep_space' | |
if diff.years >= 1 then | if diff.years >= 1 then | ||
show = 'ym' | show = 'ym' | ||
Line 292: | Line 498: | ||
end | end | ||
if type(show) ~= 'table' then | if type(show) ~= 'table' then | ||
− | show = | + | show = translateParameters.show[show] |
end | end | ||
if parms.disp == 'disp_raw' then | if parms.disp == 'disp_raw' then | ||
− | + | defaultJoin = 'sep_space' | |
abbr = 'abbr_raw' | abbr = 'abbr_raw' | ||
− | elseif parms. | + | elseif parms.wantSc then |
− | + | defaultJoin = 'sep_serialcomma' | |
end | end | ||
− | local | + | local diffOptions = { |
round = parms.round, | round = parms.round, | ||
− | duration = parms. | + | duration = parms.wantDuration, |
range = parms.range and true or nil, | range = parms.range and true or nil, | ||
} | } | ||
− | local | + | local sortKey |
− | + | if parms.sortable then | |
− | + | local value = diff.age_days + (parms.wantDuration and 1 or 0) -- days and fraction of a day | |
− | + | if diff.isnegative then | |
+ | value = -value | ||
+ | end | ||
+ | sortKey = makeSort(value, parms.sortable) | ||
+ | end | ||
+ | local textOptions = { | ||
+ | extra = parms.extra, | ||
format = parms.format, | format = parms.format, | ||
− | join = parms.sep or | + | join = parms.sep or defaultJoin, |
isnegative = diff.isnegative, | isnegative = diff.isnegative, | ||
range = parms.range, | range = parms.range, | ||
+ | sortKey = sortKey, | ||
+ | spell = parms.spell, | ||
+ | suffix = parms.suffix, -- not currently used | ||
} | } | ||
− | return | + | if show.id == 'hide' then |
+ | return sortKey or '' | ||
+ | end | ||
+ | local values = { diff:age(show.id, diffOptions) } | ||
+ | if values[1] then | ||
+ | return makeText(values, show, names[abbr], textOptions) | ||
+ | end | ||
+ | if diff.partial then | ||
+ | -- Handle a more complex range such as | ||
+ | -- {{age_yd|20 Dec 2001|2003|range=yes}} → 1 year, 12 days or 2 years, 11 days | ||
+ | local opt = { | ||
+ | format = textOptions.format, | ||
+ | join = textOptions.join, | ||
+ | isnegative = textOptions.isnegative, | ||
+ | spell = textOptions.spell, | ||
+ | } | ||
+ | return | ||
+ | (textOptions.sortKey or '') .. | ||
+ | makeText({ diff.partial.mindiff:age(show.id, diffOptions) }, show, names[abbr], opt) .. | ||
+ | rangeJoin(textOptions.range) .. | ||
+ | makeText({ diff.partial.maxdiff:age(show.id, diffOptions) }, show, names[abbr], opt, true) .. | ||
+ | (textOptions.suffix or '') | ||
+ | end | ||
+ | return message({ 'mt-bad-show', show.id }) | ||
end | end | ||
− | local function | + | local function getDates(frame, getopt) |
-- Parse template parameters and return one of: | -- Parse template parameters and return one of: | ||
-- * date (a date table, if single) | -- * date (a date table, if single) | ||
-- * date1, date2 (two date tables, if not single) | -- * date1, date2 (two date tables, if not single) | ||
-- * text (a string error message) | -- * text (a string error message) | ||
− | -- A missing date is replaced with the current date. | + | -- A missing date is optionally replaced with the current date. |
− | -- If | + | -- If wantMixture is true, a missing date component is replaced |
-- from the current date, so can get a bizarre mixture of | -- from the current date, so can get a bizarre mixture of | ||
-- specified/current y/m/d as has been done by some "age" templates. | -- specified/current y/m/d as has been done by some "age" templates. | ||
-- Some results may be placed in table getopt. | -- Some results may be placed in table getopt. | ||
− | local Date, | + | local Date, currentDate = getExports(frame) |
− | + | getopt = getopt or {} | |
+ | local function flagCurrent(text) | ||
+ | -- This allows the calling template to detect if the current date has been used, | ||
+ | -- that is, whether both dates have been entered in a template expecting two. | ||
+ | -- For example, an infobox may want the age when an event occurred, not the current age. | ||
+ | -- Don't bother detecting if wantMixture is used because not needed and it is a poor option. | ||
+ | if not text then | ||
+ | if getopt.noMissing then | ||
+ | return nil -- this gives a nil date which gives an error | ||
+ | end | ||
+ | text = 'currentdate' | ||
+ | if getopt.flag == 'usesCurrent' then | ||
+ | getopt.usesCurrent = true | ||
+ | end | ||
+ | end | ||
+ | return text | ||
+ | end | ||
local args = frame:getParent().args | local args = frame:getParent().args | ||
local fields = {} | local fields = {} | ||
− | local | + | local isNamed = args.year or args.year1 or args.year2 or |
− | if | + | args.month or args.month1 or args.month2 or |
+ | args.day or args.day1 or args.day2 | ||
+ | if isNamed then | ||
fields[1] = args.year1 or args.year | fields[1] = args.year1 or args.year | ||
fields[2] = args.month1 or args.month | fields[2] = args.month1 or args.month | ||
Line 346: | Line 602: | ||
local imax = 0 | local imax = 0 | ||
for i = 1, 6 do | for i = 1, 6 do | ||
− | fields[i] = | + | fields[i] = stripToNil(fields[i]) |
if fields[i] then | if fields[i] then | ||
imax = i | imax = i | ||
+ | end | ||
+ | if getopt.omitZero and i % 3 ~= 1 then -- omit zero months and days as unknown values but keep year 0 which is 1 BCE | ||
+ | if isZero(fields[i]) then | ||
+ | fields[i] = nil | ||
+ | getopt.partial = true | ||
+ | end | ||
end | end | ||
end | end | ||
− | + | local fix = getopt.fix and 'fix' or '' | |
− | local | + | local partialText = getopt.partial and 'partial' or '' |
local dates = {} | local dates = {} | ||
− | if | + | if isNamed or imax >= 3 then |
− | local | + | local nrDates = getopt.single and 1 or 2 |
− | if getopt. | + | if getopt.wantMixture then |
-- Cannot be partial since empty fields are set from current. | -- Cannot be partial since empty fields are set from current. | ||
local components = { 'year', 'month', 'day' } | local components = { 'year', 'month', 'day' } | ||
− | for i = 1, | + | for i = 1, nrDates * 3 do |
− | fields[i] = fields[i] or | + | fields[i] = fields[i] or currentDate[components[i > 3 and i - 3 or i]] |
end | end | ||
− | for i = 1, | + | for i = 1, nrDates do |
local index = i == 1 and 1 or 4 | local index = i == 1 and 1 or 4 | ||
− | + | local y, m, d = fields[index], fields[index+1], fields[index+2] | |
+ | if (m == 2 or m == '2') and (d == 29 or d == '29') then | ||
+ | -- Workaround error with following which attempt to use invalid date 2001-02-29. | ||
+ | -- {{age_ymwd|year1=2001|year2=2004|month2=2|day2=29}} | ||
+ | -- {{age_ymwd|year1=2001|month1=2|year2=2004|month2=1|day2=29}} | ||
+ | -- TODO Get rid of wantMixture because even this ugly code does not handle | ||
+ | -- 'Feb' or 'February' or 'feb' or 'february'. | ||
+ | if not ((y % 4 == 0 and y % 100 ~= 0) or y % 400 == 0) then | ||
+ | d = 28 | ||
+ | end | ||
+ | end | ||
+ | dates[i] = Date(y, m, d) | ||
end | end | ||
else | else | ||
− | for i = 1, | + | -- If partial dates are allowed, accept |
+ | -- year only, or | ||
+ | -- year and month only | ||
+ | -- Do not accept year and day without a month because that makes no sense | ||
+ | -- (and because, for example, Date('partial', 2001, nil, 12) sets day = nil, not 12). | ||
+ | for i = 1, nrDates do | ||
local index = i == 1 and 1 or 4 | local index = i == 1 and 1 or 4 | ||
local y, m, d = fields[index], fields[index+1], fields[index+2] | local y, m, d = fields[index], fields[index+1], fields[index+2] | ||
− | if (partial and y) or (y and m and d) then | + | if (getopt.partial and y and (m or not d)) or (y and m and d) then |
− | dates[i] = Date( | + | dates[i] = Date(fix, partialText, y, m, d) |
− | elseif not | + | elseif not y and not m and not d then |
− | dates[i] = Date( | + | dates[i] = Date(flagCurrent()) |
end | end | ||
end | end | ||
end | end | ||
else | else | ||
− | getopt.textdates = true | + | getopt.textdates = true -- have parsed each date from a single text field |
− | dates[1] = Date( | + | dates[1] = Date(fix, partialText, flagCurrent(fields[1])) |
− | if not single then | + | if not getopt.single then |
− | dates[2] = Date( | + | dates[2] = Date(fix, partialText, flagCurrent(fields[2])) |
end | end | ||
end | end | ||
if not dates[1] then | if not dates[1] then | ||
− | return message(' | + | return message(getopt.missing1 or 'mt-need-valid-ymd') |
end | end | ||
− | if single then | + | if getopt.single then |
return dates[1] | return dates[1] | ||
end | end | ||
if not dates[2] then | if not dates[2] then | ||
− | return message(' | + | return message(getopt.missing2 or 'mt-need-valid-ymd2') |
end | end | ||
return dates[1], dates[2] | return dates[1], dates[2] | ||
end | end | ||
− | local function | + | local function ageGeneric(frame) |
-- Return the result required by the specified template. | -- Return the result required by the specified template. | ||
− | -- Can use sortable=x where x = on/off/debug in any supported template. | + | -- Can use sortable=x where x = on/table/off/debug in any supported template. |
− | -- Some templates default to sortable=on but can be overridden | + | -- Some templates default to sortable=on but can be overridden. |
local name = frame.args.template | local name = frame.args.template | ||
if not name then | if not name then | ||
− | return message(' | + | return message('mt-template-x') |
end | end | ||
local args = frame:getParent().args | local args = frame:getParent().args | ||
Line 431: | Line 709: | ||
show = 'y', | show = 'y', | ||
abbr = 'abbr_raw', | abbr = 'abbr_raw', | ||
+ | flag = 'usesCurrent', | ||
+ | omitZero = true, | ||
+ | range = 'no', | ||
}, | }, | ||
age_full_years_nts = { -- {{age nts}} | age_full_years_nts = { -- {{age nts}} | ||
Line 472: | Line 753: | ||
age_yd = { -- {{age in years and days}} | age_yd = { -- {{age in years and days}} | ||
show = 'yd', | show = 'yd', | ||
+ | format = 'format_commas', | ||
+ | sep = args.sep ~= 'and' and 'sep_comma' or nil, | ||
+ | }, | ||
+ | age_yd_nts = { -- {{age in years and days nts}} | ||
+ | show = 'yd', | ||
+ | format = 'format_commas', | ||
sep = args.sep ~= 'and' and 'sep_comma' or nil, | sep = args.sep ~= 'and' and 'sep_comma' or nil, | ||
sortable = 'on', | sortable = 'on', | ||
Line 485: | Line 772: | ||
age_ymwd = { -- {{age in years, months, weeks and days}} | age_ymwd = { -- {{age in years, months, weeks and days}} | ||
show = 'ymwd', | show = 'ymwd', | ||
− | + | wantMixture = true, | |
}, | }, | ||
} | } | ||
local spec = specs[name] | local spec = specs[name] | ||
if not spec then | if not spec then | ||
− | return message(' | + | return message('mt-template-bad-name') |
end | end | ||
if name == 'age_days' then | if name == 'age_days' then | ||
− | local su = | + | local su = stripToNil(args['show unit']) |
if su then | if su then | ||
if su == 'abbr' or su == 'full' then | if su == 'abbr' or su == 'full' then | ||
Line 501: | Line 788: | ||
end | end | ||
end | end | ||
− | local range = spec.range or yes( | + | local partial, autofill |
− | local getopt = { | + | local range = stripToNil(args.range) or spec.range |
− | local date1, date2 = | + | if range then |
+ | -- Suppose partial dates are used and age could be 11 or 12 years. | ||
+ | -- "|range=" (empty value) has no effect (spec is used). | ||
+ | -- "|range=yes" or spec.range == true sets range = true (gives "11 or 12") | ||
+ | -- "|range=dash" or spec.range == 'dash' sets range = 'dash' (gives "11–12"). | ||
+ | -- "|range=no" or spec.range == 'no' sets range = nil and fills each date in the diff (gives "12"). | ||
+ | -- ("on" is equivalent to "yes", and "off" is equivalent to "no"). | ||
+ | -- "|range=OTHER" sets range = nil and rejects partial dates. | ||
+ | range = ({ dash = 'dash', off = 'no', no = 'no', [true] = true })[range] or yes(range) | ||
+ | if range then | ||
+ | partial = true -- accept partial dates with a possible age range for the result | ||
+ | if range == 'no' then | ||
+ | autofill = true -- missing month/day in first or second date are filled from other date or 1 | ||
+ | range = nil | ||
+ | end | ||
+ | end | ||
+ | end | ||
+ | local getopt = { | ||
+ | fix = yes(args.fix), | ||
+ | flag = stripToNil(args.flag) or spec.flag, | ||
+ | omitZero = spec.omitZero, | ||
+ | partial = partial, | ||
+ | wantMixture = spec.wantMixture, | ||
+ | } | ||
+ | local date1, date2 = getDates(frame, getopt) | ||
if type(date1) == 'string' then | if type(date1) == 'string' then | ||
return date1 | return date1 | ||
end | end | ||
− | local format = | + | local format = stripToNil(args.format) |
+ | local spell = spellOptions[format] | ||
if format then | if format then | ||
format = 'format_' .. format | format = 'format_' .. format | ||
Line 514: | Line 826: | ||
end | end | ||
local parms = { | local parms = { | ||
− | diff = date2 | + | diff = date2:subtract(date1, { fill = autofill }), |
− | + | wantDuration = spec.duration or yes(args.duration), | |
range = range, | range = range, | ||
− | + | wantSc = yes(args.sc), | |
− | show = spec.show, | + | show = args.show == 'hide' and 'hide' or spec.show, |
abbr = spec.abbr, | abbr = spec.abbr, | ||
disp = spec.disp, | disp = spec.disp, | ||
+ | extra = makeExtra(args, getopt.usesCurrent and format ~= 'format_raw'), | ||
format = format or spec.format, | format = format or spec.format, | ||
round = yes(args.round), | round = yes(args.round), | ||
sep = spec.sep, | sep = spec.sep, | ||
− | sortable = | + | sortable = translateParameters.sortable[args.sortable or spec.sortable], |
+ | spell = spell, | ||
} | } | ||
if (spec.negative or frame.args.negative) == 'error' and parms.diff.isnegative then | if (spec.negative or frame.args.negative) == 'error' and parms.diff.isnegative then | ||
− | return message(' | + | return message('mt-date-wrong-order') |
+ | end | ||
+ | return from_en(dateDifference(parms)) | ||
+ | end | ||
+ | |||
+ | local function bda(frame) | ||
+ | -- Implement [[Template:Birth date and age]]. | ||
+ | local args = frame:getParent().args | ||
+ | local options = { | ||
+ | missing1 = 'mt-need-valid-bd', | ||
+ | noMissing = true, | ||
+ | single = true, | ||
+ | } | ||
+ | local date = getDates(frame, options) | ||
+ | if type(date) == 'string' then | ||
+ | return date -- error text | ||
+ | end | ||
+ | local Date = getExports(frame) | ||
+ | local diff = Date('currentdate') - date | ||
+ | if diff.isnegative or diff.years > 150 then | ||
+ | return message('mt-invalid-bd-age') | ||
+ | end | ||
+ | local disp, show = 'disp_raw', 'y' | ||
+ | if diff.years < 2 then | ||
+ | disp = 'disp_age' | ||
+ | if diff.years == 0 and diff.months == 0 then | ||
+ | show = 'd' | ||
+ | else | ||
+ | show = 'm' | ||
+ | end | ||
+ | end | ||
+ | local df = stripToNil(args.df) -- day first (dmy); default is month first (mdy) | ||
+ | local result = '(<span class="bday">%-Y-%m-%d</span>) </span>' .. | ||
+ | (df and '%-d %B %-Y' or '%B %-d, %-Y') | ||
+ | result = from_en('<span style="display:none"> ' .. | ||
+ | date:text(result) .. | ||
+ | '<span class="noprint ForceAgeToShow"> ' .. | ||
+ | mtext['txt-age'] .. | ||
+ | dateDifference({ | ||
+ | diff = diff, | ||
+ | show = show, | ||
+ | abbr = 'abbr_off', | ||
+ | disp = disp, | ||
+ | sep = 'sep_space', | ||
+ | }) .. | ||
+ | ')</span>') | ||
+ | local warnings = tonumber(frame.args.warnings) | ||
+ | if warnings and warnings > 0 then | ||
+ | local good = { | ||
+ | df = true, | ||
+ | mf = true, | ||
+ | day = true, | ||
+ | day1 = true, | ||
+ | month = true, | ||
+ | month1 = true, | ||
+ | year = true, | ||
+ | year1 = true, | ||
+ | } | ||
+ | local invalid | ||
+ | local imax = options.textdates and 1 or 3 | ||
+ | for k, _ in pairs(args) do | ||
+ | if type(k) == 'number' then | ||
+ | if k > imax then | ||
+ | invalid = tostring(k) | ||
+ | break | ||
+ | end | ||
+ | else | ||
+ | if not good[k] then | ||
+ | invalid = k | ||
+ | break | ||
+ | end | ||
+ | end | ||
+ | end | ||
+ | if invalid then | ||
+ | result = result .. message({ 'mt-bad-param1', invalid }, 'warning') | ||
+ | end | ||
+ | end | ||
+ | return result | ||
+ | end | ||
+ | |||
+ | local function dda(frame) | ||
+ | -- Implement [[Template:Death date and age]]. | ||
+ | local args = frame:getParent().args | ||
+ | local options = { | ||
+ | missing1 = 'mt-need-valid-dd', | ||
+ | missing2 = 'mt-need-valid-bd2', | ||
+ | noMissing = true, | ||
+ | partial = true, | ||
+ | } | ||
+ | local date1, date2 = getDates(frame, options) | ||
+ | if type(date1) == 'string' then | ||
+ | return date1 | ||
end | end | ||
− | return | + | local diff = date1 - date2 |
+ | if diff.isnegative then | ||
+ | return message('mt-dd-wrong-order') | ||
+ | end | ||
+ | local Date = getExports(frame) | ||
+ | local today = Date('currentdate') + 1 -- one day in future allows for timezones | ||
+ | if date1 > today then | ||
+ | return message('mt-dd-future') | ||
+ | end | ||
+ | local years | ||
+ | if diff.partial then | ||
+ | years = diff.partial.years | ||
+ | years = type(years) == 'table' and years[2] or years | ||
+ | else | ||
+ | years = diff.years | ||
+ | end | ||
+ | if years > 150 then | ||
+ | return message('mt-invalid-dates-age') | ||
+ | end | ||
+ | local df = stripToNil(args.df) -- day first (dmy); default is month first (mdy) | ||
+ | local result | ||
+ | if date1.day then -- y, m, d known | ||
+ | result = (df and | ||
+ | '%-d %B %-Y' or | ||
+ | '%B %-d, %-Y') .. | ||
+ | '<span style="display:none">(%-Y-%m-%d)</span>' | ||
+ | elseif date1.month then -- y, m known; d unknown | ||
+ | result = | ||
+ | '%B %-Y' .. | ||
+ | '<span style="display:none">(%-Y-%m-00)</span>' | ||
+ | else -- y known; m, d unknown | ||
+ | result = | ||
+ | '%-Y' .. | ||
+ | '<span style="display:none">(%-Y-00-00)</span>' | ||
+ | end | ||
+ | result = from_en(date1:text(result) .. | ||
+ | mtext['txt-aged'] .. | ||
+ | dateDifference({ | ||
+ | diff = diff, | ||
+ | show = 'y', | ||
+ | abbr = 'abbr_off', | ||
+ | disp = 'disp_raw', | ||
+ | range = 'dash', | ||
+ | sep = 'sep_space', | ||
+ | }) .. | ||
+ | ')') | ||
+ | local warnings = tonumber(frame.args.warnings) | ||
+ | if warnings and warnings > 0 then | ||
+ | local good = { | ||
+ | df = true, | ||
+ | mf = true, | ||
+ | } | ||
+ | local invalid | ||
+ | local imax = options.textdates and 2 or 6 | ||
+ | for k, _ in pairs(args) do | ||
+ | if type(k) == 'number' then | ||
+ | if k > imax then | ||
+ | invalid = tostring(k) | ||
+ | break | ||
+ | end | ||
+ | else | ||
+ | if not good[k] then | ||
+ | invalid = k | ||
+ | break | ||
+ | end | ||
+ | end | ||
+ | end | ||
+ | if invalid then | ||
+ | result = result .. message({ 'mt-bad-param1', invalid }, 'warning') | ||
+ | end | ||
+ | end | ||
+ | return result | ||
end | end | ||
− | local function | + | local function dateToGsd(frame) |
− | -- | + | -- Implement [[Template:Gregorian serial date]]. |
-- Return Gregorian serial date of the given date, or the current date. | -- Return Gregorian serial date of the given date, or the current date. | ||
-- The returned value is negative for dates before 1 January 1 AD | -- The returned value is negative for dates before 1 January 1 AD | ||
-- despite the fact that GSD is not defined for such dates. | -- despite the fact that GSD is not defined for such dates. | ||
− | local date = | + | local date = getDates(frame, { wantMixture=true, single=true }) |
if type(date) == 'string' then | if type(date) == 'string' then | ||
return date | return date | ||
Line 544: | Line 1,020: | ||
end | end | ||
− | local function | + | local function jdToDate(frame) |
-- Return formatted date from a Julian date. | -- Return formatted date from a Julian date. | ||
-- The result includes a time if the input includes a fraction. | -- The result includes a time if the input includes a fraction. | ||
-- The word 'Julian' is accepted for the Julian calendar. | -- The word 'Julian' is accepted for the Julian calendar. | ||
− | local Date = | + | local Date = getExports(frame) |
local args = frame:getParent().args | local args = frame:getParent().args | ||
local date = Date('juliandate', args[1], args[2]) | local date = Date('juliandate', args[1], args[2]) | ||
if date then | if date then | ||
− | return date:text() | + | return from_en(date:text()) |
end | end | ||
− | return message(' | + | return message('mt-need-jdn') |
end | end | ||
− | local function | + | local function dateToJd(frame) |
-- Return Julian date (a number) from a date which may include a time, | -- Return Julian date (a number) from a date which may include a time, | ||
-- or the current date ('currentdate') or current date and time ('currentdatetime'). | -- or the current date ('currentdate') or current date and time ('currentdatetime'). | ||
-- The word 'Julian' is accepted for the Julian calendar. | -- The word 'Julian' is accepted for the Julian calendar. | ||
− | local Date = | + | local Date = getExports(frame) |
local args = frame:getParent().args | local args = frame:getParent().args | ||
local date = Date(args[1], args[2], args[3], args[4], args[5], args[6], args[7]) | local date = Date(args[1], args[2], args[3], args[4], args[5], args[6], args[7]) | ||
Line 567: | Line 1,043: | ||
return tostring(date.jd) | return tostring(date.jd) | ||
end | end | ||
− | return message(' | + | return message('mt-need-valid-ymd-current') |
end | end | ||
− | local function | + | local function timeInterval(frame) |
− | -- | + | -- Implement [[Template:Time interval]]. |
-- There are two positional arguments: date1, date2. | -- There are two positional arguments: date1, date2. | ||
-- The default for each is the current date and time. | -- The default for each is the current date and time. | ||
-- Result is date2 - date1 formatted. | -- Result is date2 - date1 formatted. | ||
− | local Date = | + | local Date = getExports(frame) |
local args = frame:getParent().args | local args = frame:getParent().args | ||
local parms = { | local parms = { | ||
− | + | extra = makeExtra(args), | |
+ | wantDuration = yes(args.duration), | ||
range = yes(args.range) or (args.range == 'dash' and 'dash' or nil), | range = yes(args.range) or (args.range == 'dash' and 'dash' or nil), | ||
− | + | wantSc = yes(args.sc), | |
} | } | ||
− | local date1 = Date('partial', | + | local fix = yes(args.fix) and 'fix' or '' |
+ | local date1 = Date(fix, 'partial', stripToNil(args[1]) or 'currentdatetime') | ||
if not date1 then | if not date1 then | ||
− | return message(' | + | return message('mt-invalid-start') |
end | end | ||
− | local date2 = Date('partial', | + | local date2 = Date(fix, 'partial', stripToNil(args[2]) or 'currentdatetime') |
if not date2 then | if not date2 then | ||
− | return message(' | + | return message('mt-invalid-end') |
end | end | ||
parms.diff = date2 - date1 | parms.diff = date2 - date1 | ||
− | for argname, translate in pairs( | + | for argname, translate in pairs(translateParameters) do |
− | local parm = | + | local parm = stripToNil(args[argname]) |
if parm then | if parm then | ||
parm = translate[parm] | parm = translate[parm] | ||
if parm == nil then -- test for nil because false is a valid setting | if parm == nil then -- test for nil because false is a valid setting | ||
− | return message(' | + | return message({ 'mt-bad-param2', argname, args[argname] }) |
end | end | ||
parms[argname] = parm | parms[argname] = parm | ||
Line 607: | Line 1,085: | ||
if show then | if show then | ||
if show.id ~= round then | if show.id ~= round then | ||
− | return message(' | + | return message({ 'mt-conflicting-show', args.show, args.round }) |
end | end | ||
else | else | ||
− | parms.show = | + | parms.show = translateParameters.show[round] |
end | end | ||
end | end | ||
parms.round = true | parms.round = true | ||
end | end | ||
− | return | + | return from_en(dateDifference(parms)) |
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
end | end | ||
return { | return { | ||
− | + | age_generic = ageGeneric, -- can emulate several age templates | |
− | + | birth_date_and_age = bda, -- Template:Birth_date_and_age | |
− | gsd = | + | death_date_and_age = dda, -- Template:Death_date_and_age |
− | jd_to_date = | + | gsd = dateToGsd, -- Template:Gregorian_serial_date |
− | JULIANDAY = | + | extract = dateExtract, -- Template:Extract |
− | time_interval = | + | jd_to_date = jdToDate, -- Template:? |
+ | JULIANDAY = dateToJd, -- Template:JULIANDAY | ||
+ | time_interval = timeInterval, -- Template:Time_interval | ||
} | } |
Latest revision as of 13:07, 26 September 2020
Documentation for this module may be created at Module:Age/sandbox/doc
-- Implement various "age of" and other date-related templates.
local mtext = {
-- Message and other text that should be localized.
['mt-bad-param1'] = 'Invalid parameter $1',
['mt-bad-param2'] = 'Parameter $1=$2 is invalid',
['mt-bad-show'] = 'Parameter show=$1 is not supported here',
['mt-cannot-add'] = 'Cannot add "$1"',
['mt-conflicting-show'] = 'Parameter show=$1 conflicts with round=$2',
['mt-date-wrong-order'] = 'The second date must be later in time than the first date',
['mt-dd-future'] = 'Death date (first date) must not be in the future',
['mt-dd-wrong-order'] = 'Death date (first date) must be later in time than the birth date (second date)',
['mt-invalid-bd-age'] = 'Invalid birth date for calculating age',
['mt-invalid-dates-age'] = 'Invalid dates for calculating age',
['mt-invalid-end'] = 'Invalid end date in second parameter',
['mt-invalid-start'] = 'Invalid start date in first parameter',
['mt-need-jdn'] = 'Need valid Julian date number',
['mt-need-valid-bd'] = 'Need valid birth date: year, month, day',
['mt-need-valid-bd2'] = 'Need valid birth date (second date): year, month, day',
['mt-need-valid-date'] = 'Need valid date',
['mt-need-valid-dd'] = 'Need valid death date (first date): year, month, day',
['mt-need-valid-ymd'] = 'Need valid year, month, day',
['mt-need-valid-ymd-current'] = 'Need valid year|month|day or "currentdate"',
['mt-need-valid-ymd2'] = 'Second date should be year, month, day',
['mt-template-bad-name'] = 'The specified template name is not valid',
['mt-template-x'] = 'The template invoking this must have "|template=x" where x is the wanted operation',
['txt-age'] = '(age ',
['txt-aged'] = ' (aged ',
['txt-and'] = ' and ',
['txt-comma-and'] = ', and ',
['txt-error'] = 'Error: ',
['txt-or'] = ' or ',
}
local translate, from_en, to_en, isZero
if translate then
-- Functions to translate from en to local language and reverse go here.
-- See example at [[:bn:Module:বয়স]].
else
from_en = function (text)
return text
end
isZero = function (text)
return tonumber(text) == 0
end
end
local _Date, _currentDate
local function getExports(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)
local realDate = datemod._Date
_currentDate = datemod._current
if to_en then
_Date = function (...)
local args = {}
for i, v in ipairs({...}) do
args[i] = to_en(v)
end
return realDate(unpack(args))
end
else
_Date = realDate
end
end
return _Date, _currentDate
end
local Collection -- a table to hold items
Collection = {
add = function (self, item)
if item ~= nil then
self.n = self.n + 1
self[self.n] = item
end
end,
join = function (self, sep)
return table.concat(self, sep)
end,
remove = function (self, pos)
if self.n > 0 and (pos == nil or (0 < pos and pos <= self.n)) then
self.n = self.n - 1
return table.remove(self, pos)
end
end,
sort = function (self, comp)
table.sort(self, comp)
end,
new = function ()
return setmetatable({n = 0}, Collection)
end
}
Collection.__index = Collection
local function stripToNil(text)
-- If text is a string, return its trimmed content, or nil if empty.
-- Otherwise return text (which may, for example, be nil).
if type(text) == 'string' then
text = text:match('(%S.-)%s*$')
end
return text
end
local function yes(parameter)
-- Return true if parameter should be interpreted as "yes".
-- Do not want to accept mixed upper/lowercase unless done by current templates.
-- Need to accept "on" because "round=on" is wanted.
return ({ y = true, yes = true, on = true })[parameter]
end
local function message(msg, id)
-- Return formatted message text for an error or warning.
local function getText(msg)
return mtext[msg] or error('Bug: message "' .. tostring(msg) .. '" not defined')
end
local text
if type(msg) == 'table' then
text = getText(msg[1])
local rep = {}
for i, v in ipairs(msg) do
if i > 1 then
rep['$' .. (i - 1)] = v
end
end
text = text:gsub('$%d+', rep)
else
text = getText(msg)
end
local categories = {
error = '[[Category:Age error]]',
warning = '[[Category:Age error]]', -- same as error until determine whether 'Age warning' would be worthwhile
}
local a, b, category
if id == 'warning' then
a = '<sup>[<i>'
b = '</i>]</sup>'
else
a = '<strong class="error">' .. getText('txt-error')
b = '</strong>'
end
if mw.title.getCurrentTitle():inNamespaces(0) then
-- Category only in namespaces: 0=article.
category = categories[id or 'error']
end
return
a ..
mw.text.nowiki(text) ..
b ..
(category or '')
end
local function formatNumber(number)
-- Return the given number formatted with commas as group separators,
-- given that the number is an integer.
local numstr = tostring(number)
local length = #numstr
local places = Collection.new()
local pos = 0
repeat
places:add(pos)
pos = pos + 3
until pos >= length
places:add(length)
local groups = Collection.new()
for i = places.n, 2, -1 do
local p1 = length - places[i] + 1
local p2 = length - places[i - 1]
groups:add(numstr:sub(p1, p2))
end
return groups:join(',')
end
local function spellNumber(number, options, i)
-- Return result of spelling number, or
-- return number (as a string) if cannot spell it.
-- i == 1 for the first number which can optionally start with an uppercase letter.
number = tostring(number)
return require('Module:ConvertNumeric').spell_number(
number,
nil, -- fraction numerator
nil, -- fraction denominator
i == 1 and options.upper, -- true: 'One' instead of 'one'
not options.us, -- true: use 'and' between tens/ones etc
options.adj, -- true: hyphenated
options.ordinal -- true: 'first' instead of 'one'
) or number
end
local function makeExtra(args, flagCurrent)
-- Return extra text that will be inserted before the visible result
-- but after any sort key.
local extra = args.prefix or ''
if mw.ustring.len(extra) > 1 then
-- Parameter "~" gives "~3" whereas "over" gives "over 3".
if extra:sub(-6, -1) ~= ' ' then
extra = extra .. ' '
end
end
if flagCurrent then
extra = '<span class="currentage"></span>' .. extra
end
return extra
end
local function makeSort(value, sortable)
-- Return a sort key if requested.
-- Assume value is a valid number which has not overflowed.
if sortable == 'sortable_table' or sortable == 'sortable_on' or sortable == 'sortable_debug' then
local sortKey
if value == 0 then
sortKey = '5000000000000000000'
else
local mag = math.floor(math.log10(math.abs(value)) + 1e-14)
if value > 0 then
sortKey = 7000 + mag
else
sortKey = 2999 - mag
value = value + 10^(mag+1)
end
sortKey = string.format('%d', sortKey) .. string.format('%015.0f', math.floor(value * 10^(14-mag)))
end
local result
if sortable == 'sortable_table' then
result = 'data-sort-value="_SORTKEY_"|'
elseif sortable == 'sortable_debug' then
result = '<span data-sort-value="_SORTKEY_♠"><span style="border:1px solid">_SORTKEY_♠</span></span>'
else
result = '<span data-sort-value="_SORTKEY_♠"></span>'
end
return result:gsub('_SORTKEY_', sortKey)
end
end
local translateParameters = {
abbr = {
off = 'abbr_off',
on = 'abbr_on',
},
disp = {
age = 'disp_age',
raw = 'disp_raw',
},
format = {
raw = 'format_raw',
commas = 'format_commas',
},
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' },
h = { 'H', id = 'h' },
hm = { 'H', 'M', id = 'hm' },
hms = { 'H', 'M', 'S', id = 'hms' },
M = { 'M', id = 'M' },
s = { 'S', id = 's' },
d = { 'd', id = 'd' },
dh = { 'd', 'H', id = 'dh' },
dhm = { 'd', 'H', 'M', id = 'dhm' },
dhms = { 'd', 'H', 'M', 'S', id = 'dhms' },
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',
table = 'sortable_table',
debug = 'sortable_debug',
},
}
local spellOptions = {
cardinal = {},
Cardinal = { upper = true },
cardinal_us = { us = true },
Cardinal_us = { us = true, upper = true },
ordinal = { ordinal = true },
Ordinal = { ordinal = true, upper = true },
ordinal_us = { ordinal = true, us = true },
Ordinal_us = { ordinal = true, us = true, upper = true },
}
local function dateExtract(frame)
-- Return part of a date after performing an optional operation.
local Date = getExports(frame)
local args = frame:getParent().args
local parms = {}
for i, v in ipairs(args) do
parms[i] = v
end
if yes(args.fix) then
table.insert(parms, 'fix')
end
if yes(args.partial) then
table.insert(parms, 'partial')
end
local show = stripToNil(args.show) or 'dmy'
local date = Date(unpack(parms))
if not date then
if show == 'format' then
return 'error'
end
return message('mt-need-valid-date')
end
local add = stripToNil(args.add)
if add then
for item in add:gmatch('%S+') do
date = date + item
if not date then
return message({ 'mt-cannot-add', item })
end
end
end
local sortKey, result
local sortable = translateParameters.sortable[args.sortable]
if sortable then
local value = (date.partial and date.partial.first or date).jdz
sortKey = makeSort(value, sortable)
end
if show ~= 'hide' then
result = date[show]
if result == nil then
result = from_en(date:text(show))
elseif type(result) == 'boolean' then
result = result and '1' or '0'
else
result = from_en(tostring(result))
end
end
return (sortKey or '') .. makeExtra(args) .. (result or '')
end
local function rangeJoin(range)
-- Return text to be used between a range of ages.
return range == 'dash' and '–' or mtext['txt-or']
end
local function makeText(values, components, names, options, noUpper)
-- Return wikitext representing an age or duration.
local text = Collection.new()
local count = #values
local sep = names.sep or ''
for i, v in ipairs(values) do
-- v is a number (say 4 for 4 years), or a table ({4,5} for 4 or 5 years).
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 options.spell then
fmt = function(number)
return spellNumber(number, options.spell, noUpper or i)
end
elseif 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
vstr = fmt(v[1]) .. rangeJoin(options.range)
noUpper = true
vstr = vstr .. 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 = mtext['txt-comma-and']
else
first = ', '
last = mtext['txt-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.sortKey or '') ..
(options.extra or '') ..
sign ..
text:join() ..
(options.suffix or '')
end
local function dateDifference(parms)
-- Return a formatted date difference using the given parameters
-- which have been validated.
local names = {
abbr_off = {
plural = 's',
sep = ' ',
y = 'year',
m = 'month',
w = 'week',
d = 'day',
H = 'hour',
M = 'minute',
S = 'second',
},
abbr_on = {
y = 'y',
m = 'm',
w = 'w',
d = 'd',
H = 'h',
M = 'm',
S = 's',
},
abbr_infant = { -- for {{age for infant}}
plural = 's',
sep = ' ',
y = 'yr',
m = 'mo',
w = 'wk',
d = 'day',
H = 'hr',
M = 'min',
S = 'sec',
},
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 defaultJoin
if abbr ~= 'abbr_off' then
defaultJoin = 'sep_space'
end
if not show then
show = 'ymd'
if parms.disp == 'disp_age' then
if diff.years < 3 then
defaultJoin = '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 = translateParameters.show[show]
end
if parms.disp == 'disp_raw' then
defaultJoin = 'sep_space'
abbr = 'abbr_raw'
elseif parms.wantSc then
defaultJoin = 'sep_serialcomma'
end
local diffOptions = {
round = parms.round,
duration = parms.wantDuration,
range = parms.range and true or nil,
}
local sortKey
if parms.sortable then
local value = diff.age_days + (parms.wantDuration and 1 or 0) -- days and fraction of a day
if diff.isnegative then
value = -value
end
sortKey = makeSort(value, parms.sortable)
end
local textOptions = {
extra = parms.extra,
format = parms.format,
join = parms.sep or defaultJoin,
isnegative = diff.isnegative,
range = parms.range,
sortKey = sortKey,
spell = parms.spell,
suffix = parms.suffix, -- not currently used
}
if show.id == 'hide' then
return sortKey or ''
end
local values = { diff:age(show.id, diffOptions) }
if values[1] then
return makeText(values, show, names[abbr], textOptions)
end
if diff.partial then
-- Handle a more complex range such as
-- {{age_yd|20 Dec 2001|2003|range=yes}} → 1 year, 12 days or 2 years, 11 days
local opt = {
format = textOptions.format,
join = textOptions.join,
isnegative = textOptions.isnegative,
spell = textOptions.spell,
}
return
(textOptions.sortKey or '') ..
makeText({ diff.partial.mindiff:age(show.id, diffOptions) }, show, names[abbr], opt) ..
rangeJoin(textOptions.range) ..
makeText({ diff.partial.maxdiff:age(show.id, diffOptions) }, show, names[abbr], opt, true) ..
(textOptions.suffix or '')
end
return message({ 'mt-bad-show', show.id })
end
local function getDates(frame, getopt)
-- Parse template parameters and return one of:
-- * date (a date table, if single)
-- * date1, date2 (two date tables, if not single)
-- * text (a string error message)
-- A missing date is optionally replaced with the current date.
-- If wantMixture is true, a missing date component is replaced
-- from the current date, so can get a bizarre mixture of
-- specified/current y/m/d as has been done by some "age" templates.
-- Some results may be placed in table getopt.
local Date, currentDate = getExports(frame)
getopt = getopt or {}
local function flagCurrent(text)
-- This allows the calling template to detect if the current date has been used,
-- that is, whether both dates have been entered in a template expecting two.
-- For example, an infobox may want the age when an event occurred, not the current age.
-- Don't bother detecting if wantMixture is used because not needed and it is a poor option.
if not text then
if getopt.noMissing then
return nil -- this gives a nil date which gives an error
end
text = 'currentdate'
if getopt.flag == 'usesCurrent' then
getopt.usesCurrent = true
end
end
return text
end
local args = frame:getParent().args
local fields = {}
local isNamed = args.year or args.year1 or args.year2 or
args.month or args.month1 or args.month2 or
args.day or args.day1 or args.day2
if isNamed then
fields[1] = args.year1 or args.year
fields[2] = args.month1 or args.month
fields[3] = args.day1 or args.day
fields[4] = args.year2
fields[5] = args.month2
fields[6] = args.day2
else
for i = 1, 6 do
fields[i] = args[i]
end
end
local imax = 0
for i = 1, 6 do
fields[i] = stripToNil(fields[i])
if fields[i] then
imax = i
end
if getopt.omitZero and i % 3 ~= 1 then -- omit zero months and days as unknown values but keep year 0 which is 1 BCE
if isZero(fields[i]) then
fields[i] = nil
getopt.partial = true
end
end
end
local fix = getopt.fix and 'fix' or ''
local partialText = getopt.partial and 'partial' or ''
local dates = {}
if isNamed or imax >= 3 then
local nrDates = getopt.single and 1 or 2
if getopt.wantMixture then
-- Cannot be partial since empty fields are set from current.
local components = { 'year', 'month', 'day' }
for i = 1, nrDates * 3 do
fields[i] = fields[i] or currentDate[components[i > 3 and i - 3 or i]]
end
for i = 1, nrDates do
local index = i == 1 and 1 or 4
local y, m, d = fields[index], fields[index+1], fields[index+2]
if (m == 2 or m == '2') and (d == 29 or d == '29') then
-- Workaround error with following which attempt to use invalid date 2001-02-29.
-- {{age_ymwd|year1=2001|year2=2004|month2=2|day2=29}}
-- {{age_ymwd|year1=2001|month1=2|year2=2004|month2=1|day2=29}}
-- TODO Get rid of wantMixture because even this ugly code does not handle
-- 'Feb' or 'February' or 'feb' or 'february'.
if not ((y % 4 == 0 and y % 100 ~= 0) or y % 400 == 0) then
d = 28
end
end
dates[i] = Date(y, m, d)
end
else
-- If partial dates are allowed, accept
-- year only, or
-- year and month only
-- Do not accept year and day without a month because that makes no sense
-- (and because, for example, Date('partial', 2001, nil, 12) sets day = nil, not 12).
for i = 1, nrDates do
local index = i == 1 and 1 or 4
local y, m, d = fields[index], fields[index+1], fields[index+2]
if (getopt.partial and y and (m or not d)) or (y and m and d) then
dates[i] = Date(fix, partialText, y, m, d)
elseif not y and not m and not d then
dates[i] = Date(flagCurrent())
end
end
end
else
getopt.textdates = true -- have parsed each date from a single text field
dates[1] = Date(fix, partialText, flagCurrent(fields[1]))
if not getopt.single then
dates[2] = Date(fix, partialText, flagCurrent(fields[2]))
end
end
if not dates[1] then
return message(getopt.missing1 or 'mt-need-valid-ymd')
end
if getopt.single then
return dates[1]
end
if not dates[2] then
return message(getopt.missing2 or 'mt-need-valid-ymd2')
end
return dates[1], dates[2]
end
local function ageGeneric(frame)
-- Return the result required by the specified template.
-- Can use sortable=x where x = on/table/off/debug in any supported template.
-- Some templates default to sortable=on but can be overridden.
local name = frame.args.template
if not name then
return message('mt-template-x')
end
local args = frame:getParent().args
local specs = {
age_days = { -- {{age in days}}
show = 'd',
disp = 'disp_raw',
},
age_days_nts = { -- {{age in days nts}}
show = 'd',
disp = 'disp_raw',
format = 'format_commas',
sortable = 'on',
},
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',
flag = 'usesCurrent',
omitZero = true,
range = 'no',
},
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',
format = 'format_commas',
sep = args.sep ~= 'and' and 'sep_comma' or nil,
},
age_yd_nts = { -- {{age in years and days nts}}
show = 'yd',
format = 'format_commas',
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',
wantMixture = true,
},
}
local spec = specs[name]
if not spec then
return message('mt-template-bad-name')
end
if name == 'age_days' then
local su = stripToNil(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 partial, autofill
local range = stripToNil(args.range) or spec.range
if range then
-- Suppose partial dates are used and age could be 11 or 12 years.
-- "|range=" (empty value) has no effect (spec is used).
-- "|range=yes" or spec.range == true sets range = true (gives "11 or 12")
-- "|range=dash" or spec.range == 'dash' sets range = 'dash' (gives "11–12").
-- "|range=no" or spec.range == 'no' sets range = nil and fills each date in the diff (gives "12").
-- ("on" is equivalent to "yes", and "off" is equivalent to "no").
-- "|range=OTHER" sets range = nil and rejects partial dates.
range = ({ dash = 'dash', off = 'no', no = 'no', [true] = true })[range] or yes(range)
if range then
partial = true -- accept partial dates with a possible age range for the result
if range == 'no' then
autofill = true -- missing month/day in first or second date are filled from other date or 1
range = nil
end
end
end
local getopt = {
fix = yes(args.fix),
flag = stripToNil(args.flag) or spec.flag,
omitZero = spec.omitZero,
partial = partial,
wantMixture = spec.wantMixture,
}
local date1, date2 = getDates(frame, getopt)
if type(date1) == 'string' then
return date1
end
local format = stripToNil(args.format)
local spell = spellOptions[format]
if format then
format = 'format_' .. format
elseif name == 'age_days' and getopt.textdates then
format = 'format_commas'
end
local parms = {
diff = date2:subtract(date1, { fill = autofill }),
wantDuration = spec.duration or yes(args.duration),
range = range,
wantSc = yes(args.sc),
show = args.show == 'hide' and 'hide' or spec.show,
abbr = spec.abbr,
disp = spec.disp,
extra = makeExtra(args, getopt.usesCurrent and format ~= 'format_raw'),
format = format or spec.format,
round = yes(args.round),
sep = spec.sep,
sortable = translateParameters.sortable[args.sortable or spec.sortable],
spell = spell,
}
if (spec.negative or frame.args.negative) == 'error' and parms.diff.isnegative then
return message('mt-date-wrong-order')
end
return from_en(dateDifference(parms))
end
local function bda(frame)
-- Implement [[Template:Birth date and age]].
local args = frame:getParent().args
local options = {
missing1 = 'mt-need-valid-bd',
noMissing = true,
single = true,
}
local date = getDates(frame, options)
if type(date) == 'string' then
return date -- error text
end
local Date = getExports(frame)
local diff = Date('currentdate') - date
if diff.isnegative or diff.years > 150 then
return message('mt-invalid-bd-age')
end
local disp, show = 'disp_raw', 'y'
if diff.years < 2 then
disp = 'disp_age'
if diff.years == 0 and diff.months == 0 then
show = 'd'
else
show = 'm'
end
end
local df = stripToNil(args.df) -- day first (dmy); default is month first (mdy)
local result = '(<span class="bday">%-Y-%m-%d</span>) </span>' ..
(df and '%-d %B %-Y' or '%B %-d, %-Y')
result = from_en('<span style="display:none"> ' ..
date:text(result) ..
'<span class="noprint ForceAgeToShow"> ' ..
mtext['txt-age'] ..
dateDifference({
diff = diff,
show = show,
abbr = 'abbr_off',
disp = disp,
sep = 'sep_space',
}) ..
')</span>')
local warnings = tonumber(frame.args.warnings)
if warnings and warnings > 0 then
local good = {
df = true,
mf = true,
day = true,
day1 = true,
month = true,
month1 = true,
year = true,
year1 = true,
}
local invalid
local imax = options.textdates and 1 or 3
for k, _ in pairs(args) do
if type(k) == 'number' then
if k > imax then
invalid = tostring(k)
break
end
else
if not good[k] then
invalid = k
break
end
end
end
if invalid then
result = result .. message({ 'mt-bad-param1', invalid }, 'warning')
end
end
return result
end
local function dda(frame)
-- Implement [[Template:Death date and age]].
local args = frame:getParent().args
local options = {
missing1 = 'mt-need-valid-dd',
missing2 = 'mt-need-valid-bd2',
noMissing = true,
partial = true,
}
local date1, date2 = getDates(frame, options)
if type(date1) == 'string' then
return date1
end
local diff = date1 - date2
if diff.isnegative then
return message('mt-dd-wrong-order')
end
local Date = getExports(frame)
local today = Date('currentdate') + 1 -- one day in future allows for timezones
if date1 > today then
return message('mt-dd-future')
end
local years
if diff.partial then
years = diff.partial.years
years = type(years) == 'table' and years[2] or years
else
years = diff.years
end
if years > 150 then
return message('mt-invalid-dates-age')
end
local df = stripToNil(args.df) -- day first (dmy); default is month first (mdy)
local result
if date1.day then -- y, m, d known
result = (df and
'%-d %B %-Y' or
'%B %-d, %-Y') ..
'<span style="display:none">(%-Y-%m-%d)</span>'
elseif date1.month then -- y, m known; d unknown
result =
'%B %-Y' ..
'<span style="display:none">(%-Y-%m-00)</span>'
else -- y known; m, d unknown
result =
'%-Y' ..
'<span style="display:none">(%-Y-00-00)</span>'
end
result = from_en(date1:text(result) ..
mtext['txt-aged'] ..
dateDifference({
diff = diff,
show = 'y',
abbr = 'abbr_off',
disp = 'disp_raw',
range = 'dash',
sep = 'sep_space',
}) ..
')')
local warnings = tonumber(frame.args.warnings)
if warnings and warnings > 0 then
local good = {
df = true,
mf = true,
}
local invalid
local imax = options.textdates and 2 or 6
for k, _ in pairs(args) do
if type(k) == 'number' then
if k > imax then
invalid = tostring(k)
break
end
else
if not good[k] then
invalid = k
break
end
end
end
if invalid then
result = result .. message({ 'mt-bad-param1', invalid }, 'warning')
end
end
return result
end
local function dateToGsd(frame)
-- Implement [[Template:Gregorian serial date]].
-- Return Gregorian serial date of the given date, or the current date.
-- The returned value is negative for dates before 1 January 1 AD
-- despite the fact that GSD is not defined for such dates.
local date = getDates(frame, { wantMixture=true, single=true })
if type(date) == 'string' then
return date
end
return tostring(date.gsd)
end
local function jdToDate(frame)
-- Return formatted date from a Julian date.
-- The result includes a time if the input includes a fraction.
-- The word 'Julian' is accepted for the Julian calendar.
local Date = getExports(frame)
local args = frame:getParent().args
local date = Date('juliandate', args[1], args[2])
if date then
return from_en(date:text())
end
return message('mt-need-jdn')
end
local function dateToJd(frame)
-- Return Julian date (a number) from a date which may include a time,
-- or the current date ('currentdate') or current date and time ('currentdatetime').
-- The word 'Julian' is accepted for the Julian calendar.
local Date = getExports(frame)
local args = frame:getParent().args
local date = Date(args[1], args[2], args[3], args[4], args[5], args[6], args[7])
if date then
return tostring(date.jd)
end
return message('mt-need-valid-ymd-current')
end
local function timeInterval(frame)
-- Implement [[Template:Time interval]].
-- There are two positional arguments: date1, date2.
-- The default for each is the current date and time.
-- Result is date2 - date1 formatted.
local Date = getExports(frame)
local args = frame:getParent().args
local parms = {
extra = makeExtra(args),
wantDuration = yes(args.duration),
range = yes(args.range) or (args.range == 'dash' and 'dash' or nil),
wantSc = yes(args.sc),
}
local fix = yes(args.fix) and 'fix' or ''
local date1 = Date(fix, 'partial', stripToNil(args[1]) or 'currentdatetime')
if not date1 then
return message('mt-invalid-start')
end
local date2 = Date(fix, 'partial', stripToNil(args[2]) or 'currentdatetime')
if not date2 then
return message('mt-invalid-end')
end
parms.diff = date2 - date1
for argname, translate in pairs(translateParameters) do
local parm = stripToNil(args[argname])
if parm then
parm = translate[parm]
if parm == nil then -- test for nil because false is a valid setting
return message({ 'mt-bad-param2', argname, args[argname] })
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({ 'mt-conflicting-show', args.show, args.round })
end
else
parms.show = translateParameters.show[round]
end
end
parms.round = true
end
return from_en(dateDifference(parms))
end
return {
age_generic = ageGeneric, -- can emulate several age templates
birth_date_and_age = bda, -- Template:Birth_date_and_age
death_date_and_age = dda, -- Template:Death_date_and_age
gsd = dateToGsd, -- Template:Gregorian_serial_date
extract = dateExtract, -- Template:Extract
jd_to_date = jdToDate, -- Template:?
JULIANDAY = dateToJd, -- Template:JULIANDAY
time_interval = timeInterval, -- Template:Time_interval
}