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Module:Age: Difference between revisions

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Module:Age (edit)

Revision as of 23:10, 7 June 2021

14,127 bytes added ,  2 years ago
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29 revisions imported from wikipedia:Module:Age
(fix <span> anchor for error message)
m (29 revisions imported from wikipedia:Module:Age)
 
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Line 1:
-- Implement various "age of" and other date-related templates.
 
local _Date,mtext _current_date= {
-- Message and other text that should be localized.
local function get_exports(frame)
-- Also need to localize text in table names in function dateDifference.
['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-and'] = ' and ',
['txt-or'] = '&nbsp;or ',
['txt-category'] = 'Category:Age error',
['txt-comma-and'] = ', and ',
['txt-error'] = 'Error: ',
['txt-format-default'] = 'mf', -- 'df' (day first = dmy) or 'mf' (month first = mdy)
['txt-module-convertnumeric'] = 'Module:ConvertNumeric',
['txt-module-date'] = 'Module:Date',
['txt-sandbox'] = 'sandbox',
['txt-bda'] = '<span style="display:none"> (<span class="bday">$1</span>) </span>$2<span class="noprint ForceAgeToShow"> (age&nbsp;$3)</span>',
['txt-dda'] = '$2<span style="display:none">($1)</span> (aged&nbsp;$3)',
['txt-bda-disp'] = 'disp_raw', -- disp_raw → age is a number only; disp_age → age is a number and unit (normally years but months or days if very young)
['txt-dda-disp'] = 'disp_raw',
['txt-dmy'] = '%-d %B %-Y',
['txt-mdy'] = '%B %-d, %-Y',
}
 
local isWarning = {
['mt-bad-param1'] = true,
}
 
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(mtext['txt-sandbox'], 1, true) and ('/' .. mtext['txt-sandbox']) or ''
local datemod = require(mtext['Module:Datetxt-module-date'] .. sandbox)
_Datelocal realDate = datemod._Date
_current_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, _current_date_currentDate
end
 
local Collection -- a table to hold items
local function collection()
Collection = {
-- Return a table to hold items.
add = function (self, item)
return {
nif item ~= 0,nil then
add = function (self, item)
self.n = self.n + 1
self[self.n] = item
end,
end,
join = function (self, sep)
return join = function table.concat(self, sep)
return table.concat(self, sep)
end,
end,
}
remove = function (self, pos)
end
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 strip_to_nilstripToNil(text)
-- If text is a string, return its trimmed content, or nil if empty.
-- Otherwise return text (which may, for example, be nil).
Line 34 ⟶ 116:
end
return text
end
 
local function dateFormat(args)
-- Return string for wanted date format.
local default = mtext['txt-format-default']
local other = default == 'df' and 'mf' or 'df'
local wanted = stripToNil(args[other]) and other or default
return wanted == 'df' and mtext['txt-dmy'] or mtext['txt-mdy']
end
 
local function substituteParameters(text, ...)
-- Return text after substituting any given parameters for $1, $2, etc.
return mw.message.newRawMessage(text, ...):plain()
end
 
Line 43 ⟶ 138:
end
 
local function message(msg, nocat...)
-- Return formatted message text for an error or warning.
local function getText(msg)
-- Can append "#FormattingError" to URL of a page with a problem to find it.
return mtext[msg] or error('Bug: message "' .. tostring(msg) .. '" not defined')
local anchor = '<span id="FormattingError"></span>'
end
local category
local categories = {
if not nocat and mw.title.getCurrentTitle():inNamespaces(0, 10) then
error = mtext['txt-category'],
-- Category only in namespaces: 0=article, 10=template.
warning = mtext['txt-category'],
category = '[[Category:Age error]]'
}
local a, b, k, category
local text = substituteParameters(getText(msg), ...)
if isWarning[msg] then
a = '<sup>[<i>'
b = '</i>]</sup>'
k = 'warning'
else
a = '<strong class="error">' .. getText('txt-error')
category = ''
b = '</strong>'
k = 'error'
end
if mw.title.getCurrentTitle():inNamespaces(0) then
return anchor ..
-- Category only in namespaces: 0=article.
'<strong class="error">Error: ' ..
category = '[[' .. categories[k] .. ']]'
mw.text.nowiki(msg) ..
end
'</strong>' ..
return
category
a ..
mw.text.nowiki(text) ..
b ..
(category or '')
end
 
local function formatnumberformatNumber(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 = collectionCollection.new()
local pos = 0
repeat
Line 73 ⟶ 181:
until pos >= length
places:add(length)
local groups = collectionCollection.new()
for i = places.n, 2, -1 do
local p1 = length - places[i] + 1
Line 82 ⟶ 190:
end
 
local function make_sortspellNumber(valuenumber, sortableoptions, i)
-- Return aresult sortof keyspelling innumber, a span if specified.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(mtext['txt-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) ~= '&nbsp;' 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 sortkeysortKey
if value == 0 then
sortkeysortKey = '5000000000000000000'
else
local mag = math.floor(math.log10(math.abs(value)) + 1e-14)
local prefix
if value > 0 then
prefixsortKey = 7000 + mag
else
prefixsortKey = 2999 - mag
value = value + 10^(mag+1)
end
sortkeysortKey = string.format('%d', prefixsortKey) .. string.format('%015.0f', math.floor(value * 10^(14-mag)))
end
local result
local lhs = sortable == 'sortable_debug' and
if sortable == 'sortable_table' then
'<span style="border:1px solid;display:inline;" class="sortkey">' or
result = 'data-sort-value="_SORTKEY_"|'
'<span style="display:none" class="sortkey">'
elseif sortable == 'sortable_debug' then
return lhs .. sortkey .. '♠</span>'
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 translate_parameterstranslateParameters = {
abbr = {
off = 'abbr_off',
Line 141 ⟶ 285:
ymw = { 'y', 'm', 'w', id = 'ymw' },
ymwd = { 'y', 'm', 'w', 'd', id = 'ymwd' },
yd = { 'y', 'd', id = 'yd', keepzerokeepZero = 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' },
Line 157 ⟶ 307:
off = false,
on = 'sortable_on',
table = 'sortable_table',
debug = 'sortable_debug',
},
}
 
local spellOptions = {
local function date_extract(frame)
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 = get_exportsgetExports(frame)
local args = frame:getParent().args
local parms = {}
Line 175 ⟶ 337:
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 message('Need valid date')
return 'error'
end
return message('mt-need-valid-date')
end
local add = strip_to_nilstripToNil(args.add)
if add then
for item in add:gmatch('%S+') do
date = date + item
if not date then
return message('Cannot mt-cannot-add "' .., item .. '"')
end
end
end
local prefixsortKey, result
local sortable = translate_parameterstranslateParameters.sortable[args.sortable]
if sortable then
local value = (date.partial and date.partial.first or date).jdz
prefixsortKey = make_sortmakeSort(value, sortable)
end
local show = strip_to_nil(args.show) or 'dmy'
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 (prefixsortKey or '') .. makeExtra(args) .. (result or '')
end
 
local function make_textrangeJoin(values, components, names, optionsrange)
-- 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 = collectionCollection.new()
local count = #values
local sep = names.sep or ''
Line 216 ⟶ 386:
-- 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.keepzerokeepZero) then
local fmt, vstr
if i == 1 and options.format == 'format_commas'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 = formatnumberformatNumber
else
fmt = tostring
end
if islist then
local joinvstr = fmt(v[1]) .. rangeJoin(options.range == 'dash' and '–' or '&nbsp;or ')
noUpper = true
vstr = fmt(v[1]) .. join .. fmt(v[2])
vstr = vstr .. fmt(v[2])
else
vstr = fmt(v)
Line 232 ⟶ 407:
local name = names[components[i]]
if name then
if type(name) == 'table' then
local plural = names.plural
if name not= mw.getContentLanguage():plural or (islist and v[2] or v, name) == 1 then
plural = ''
end
text:add(vstr .. sep .. name .. plural)
else
text:add(vstr)
Line 251 ⟶ 425:
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
Line 273 ⟶ 447:
end
return
(options.prefixsortKey or '') ..
(options.extra or '') ..
sign ..
text:join() ..
Line 279 ⟶ 454:
end
 
local function date_differencedateDifference(parms)
-- Return a formatted date difference using the given parameters
-- which have been validated.
local names = {
-- Each name is:
-- * a string if no plural form of the name is used; or
-- * a table of strings, one of which is selected using the rules at
-- https://translatewiki.net/wiki/Plural/Mediawiki_plural_rules
abbr_off = {
plural = 's',
sep = '&nbsp;',
y = {'year', 'years'},
m = {'month', 'months'},
w = {'week', 'weeks'},
d = {'day', 'days'},
H = {'hour', 'hours'},
M = {'minute', 'minutes'},
S = {'second', 'seconds'},
},
abbr_on = {
Line 300 ⟶ 479:
H = 'h',
M = 'm',
S = 's',
},
abbr_infant = { -- for {{age for infant}}
plural = 's',
sep = '&nbsp;',
y = {'yr', 'yrs'},
m = {'mo', 'mos'},
w = {'wk', 'wks'},
d = {'day', 'days'},
H = {'hr', 'hrs'},
M = {'min', 'mins'},
S = {'sec', 'secs'},
},
abbr_raw = {},
Line 316 ⟶ 496:
local show = parms.show -- may be nil; default is set below
local abbr = parms.abbr or 'abbr_off'
local default_joindefaultJoin
if abbr ~= 'abbr_off' then
default_joindefaultJoin = 'sep_space'
end
if not show then
Line 324 ⟶ 504:
if parms.disp == 'disp_age' then
if diff.years < 3 then
default_joindefaultJoin = 'sep_space'
if diff.years >= 1 then
show = 'ym'
Line 336 ⟶ 516:
end
if type(show) ~= 'table' then
show = translate_parameterstranslateParameters.show[show]
end
if parms.disp == 'disp_raw' then
default_joindefaultJoin = 'sep_space'
abbr = 'abbr_raw'
elseif parms.want_scwantSc then
default_joindefaultJoin = 'sep_serialcomma'
end
local diff_optionsdiffOptions = {
round = parms.round,
duration = parms.want_durationwantDuration,
range = parms.range and true or nil,
}
local prefixsortKey
if parms.sortable then
local value = diff.age_days + (parms.want_durationwantDuration and 1 or 0) -- days and fraction of a day
if diff.isnegative then
value = -value
end
prefixsortKey = make_sortmakeSort(value, parms.sortable)
end
local text_optionstextOptions = {
prefixextra = prefixparms.extra,
suffix = parms.suffix, -- not currently used
format = parms.format,
join = parms.sep or default_joindefaultJoin,
isnegative = diff.isnegative,
range = parms.range,
sortKey = sortKey,
spell = parms.spell,
suffix = parms.suffix, -- not currently used
}
if show.id == 'hide' then
return prefixsortKey or ''
end
local values = { diff:age(show.id, diff_optionsdiffOptions) }
if values[1] then
return make_text(values, show, names[abbr], text_options)
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 get_datesgetDates(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 want_mixturewantMixture 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, current_datecurrentDate = get_exportsgetExports(frame)
getopt = getopt or {}
local function flagCurrent(text)
local fix = getopt.fix and 'fix' or ''
-- This allows the calling template to detect if the current date has been used,
local partial = getopt.range and 'partial' or ''
-- 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 is_namedisNamed = 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 is_namedisNamed then
fields[1] = args.year1 or args.year
fields[2] = args.month1 or args.month
Line 405 ⟶ 620:
local imax = 0
for i = 1, 6 do
fields[i] = strip_to_nilstripToNil(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 singlefix = getopt.singlefix and 'fix' or ''
local partialText = getopt.partial and 'partial' or ''
local dates = {}
if is_namedisNamed or imax >= 23 then
local nr_datesnrDates = getopt.single and 1 or 2
if getopt.want_mixturewantMixture then
-- Cannot be partial since empty fields are set from current.
local components = { 'year', 'month', 'day' }
for i = 1, nr_datesnrDates * 3 do
fields[i] = fields[i] or current_datecurrentDate[components[i > 3 and i - 3 or i]]
end
for i = 1, nr_datesnrDates do
local index = i == 1 and 1 or 4
dates[i]local y, m, d = Date(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
for i = 1, nr_dates do
-- 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, partialpartialText, y, m, d)
elseif not (y orand not m orand not d) then
dates[i] = Date('currentdate'flagCurrent())
end
end
end
else
getopt.textdates = true -- have parsed each date from a single text field
dates[1] = Date(fix, partialpartialText, flagCurrent(fields[1] or 'currentdate'))
if not getopt.single then
dates[2] = Date(fix, partialpartialText, flagCurrent(fields[2] or 'currentdate'))
end
end
if not dates[1] then
return message(getopt.missing1 or 'Need mt-need-valid year, month, day-ymd')
end
if getopt.single then
return dates[1]
end
if not dates[2] then
return message('Secondgetopt.missing2 dateor should be year, month, day'mt-need-valid-ymd2')
end
return dates[1], dates[2]
end
 
local function age_genericageGeneric(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 with sortable=off.
local name = frame.args.template
if not name then
return message('The mt-template invoking this must have "|template=x" where -x is the wanted operation')
end
local args = frame:getParent().args
Line 489 ⟶ 727:
show = 'y',
abbr = 'abbr_raw',
flag = 'usesCurrent',
omitZero = true,
range = 'no',
},
age_full_years_nts = { -- {{age nts}}
Line 530 ⟶ 771:
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',
Line 543 ⟶ 790:
age_ymwd = { -- {{age in years, months, weeks and days}}
show = 'ymwd',
want_mixturewantMixture = true,
},
}
local spec = specs[name]
if not spec then
return message('The specified mt-template -bad-name is not valid')
end
if name == 'age_days' then
local su = strip_to_nilstripToNil(args['show unit'])
if su then
if su == 'abbr' or su == 'full' then
Line 559 ⟶ 806:
end
end
local partial, autofill
local range = spec.range or yes(args.range) or (args.range == 'dash' and 'dash' or nil)
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,
range = range,
want_mixtureomitZero = spec.want_mixtureomitZero,
partial = partial,
wantMixture = spec.wantMixture,
}
local date1, date2 = get_datesgetDates(frame, getopt)
if type(date1) == 'string' then
return date1
end
local format = strip_to_nilstripToNil(args.format)
local spell = spellOptions[format]
if format then
format = 'format_' .. format
Line 576 ⟶ 844:
end
local parms = {
diff = date2:subtract(date1, -{ date1fill = autofill }),
want_durationwantDuration = spec.duration or yes(args.duration),
range = range,
want_scwantSc = 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 = translate_parameterstranslateParameters.sortable[args.sortable or spec.sortable],
spell = spell,
}
if (spec.negative or frame.args.negative) == 'error' and parms.diff.isnegative then
return message('The second date should not be before the first 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 = mtext['txt-bda-disp']
local show = '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 result = substituteParameters(
mtext['txt-bda'],
date:text('%-Y-%m-%d'),
from_en(date:text(dateFormat(args))),
from_en(dateDifference({
diff = diff,
show = show,
abbr = 'abbr_off',
disp = disp,
sep = 'sep_space',
}))
)
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)
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 fmt_date, fmt_ymd
if date1.day then -- y, m, d known
fmt_date = dateFormat(args)
fmt_ymd = '%-Y-%m-%d'
elseif date1.month then -- y, m known; d unknown
fmt_date = '%B %-Y'
fmt_ymd = '%-Y-%m-00'
else -- y known; m, d unknown
fmt_date = '%-Y'
fmt_ymd = '%-Y-00-00'
end
local result = substituteParameters(
mtext['txt-dda'],
date1:text(fmt_ymd),
from_en(date1:text(fmt_date)),
from_en(dateDifference({
diff = diff,
show = 'y',
abbr = 'abbr_off',
disp = mtext['txt-dda-disp'],
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)
end
end
return date_difference(parms)result
end
 
local function date_to_gsddateToGsd(frame)
-- ThisImplement implements {{gregorian[[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 = get_datesgetDates(frame, { want_mixturewantMixture=true, single=true })
if type(date) == 'string' then
return date
Line 606 ⟶ 1,033:
end
 
local function jd_to_datejdToDate(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 = get_exportsgetExports(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('Need valid Julian date numbermt-need-jdn')
end
 
local function date_to_jddateToJd(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 = get_exportsgetExports(frame)
local args = frame:getParent().args
local date = Date(args[1], args[2], args[3], args[4], args[5], args[6], args[7])
Line 629 ⟶ 1,056:
return tostring(date.jd)
end
return message('Need mt-need-valid year/month/day or "currentdate"-ymd-current')
end
 
local function time_intervaltimeInterval(frame)
-- ThisImplement implements {{time[[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 = get_exportsgetExports(frame)
local args = frame:getParent().args
local parms = {
want_durationextra = yesmakeExtra(args.duration),
wantDuration = yes(args.duration),
range = yes(args.range) or (args.range == 'dash' and 'dash' or nil),
want_scwantSc = yes(args.sc),
}
local fix = yes(args.fix) and 'fix' or ''
local date1 = Date(fix, 'partial', strip_to_nilstripToNil(args[1]) or 'currentdatetime')
if not date1 then
return message('Invalid mt-invalid-start date in first parameter')
end
local date2 = Date(fix, 'partial', strip_to_nilstripToNil(args[2]) or 'currentdatetime')
if not date2 then
return message('Invalid mt-invalid-end date in second parameter')
end
parms.diff = date2 - date1
for argname, translate in pairs(translate_parameterstranslateParameters) do
local parm = strip_to_nilstripToNil(args[argname])
if parm then
parm = translate[parm]
if parm == nil then -- test for nil because false is a valid setting
return message('Parameter mt-bad-param2' .., argname .. '=' .., args[argname] .. ' is invalid')
end
parms[argname] = parm
Line 670 ⟶ 1,098:
if show then
if show.id ~= round then
return message('Parameter mt-conflicting-show=' .., args.show .. ' conflicts with round=' .., args.round)
end
else
parms.show = translate_parameterstranslateParameters.show[round]
end
end
parms.round = true
end
return date_differencefrom_en(dateDifference(parms))
end
 
return {
age_generic = age_genericageGeneric, -- can emulate several age templates
gsdbirth_date_and_age = date_to_gsdbda, -- Template:Gregorian_serial_dateBirth_date_and_age
extractdeath_date_and_age = date_extractdda, -- Template:ExtractDeath_date_and_age
jd_to_dategsd = jd_to_datedateToGsd, -- Template:?Gregorian_serial_date
JULIANDAYextract = date_to_jddateExtract, -- Template:JULIANDAYExtract
time_intervaljd_to_date = time_intervaljdToDate, -- Template:Time_interval?
JULIANDAY = dateToJd, -- Template:JULIANDAY
time_interval = timeInterval, -- Template:Time_interval
}
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