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Module:Citation/CS1/Date validation: Difference between revisions

Module:Citation/CS1/Date validation (edit)

Revision as of 11:41, 21 May 2021

2,818 bytes added ,  3 years ago
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13 revisions imported from wikipedia:Module:Citation/CS1/Date_validation: see Topic:Vtixlm0q28eo6jtf
(season range fix;)
 
(2 intermediate revisions by one other user not shown)
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]]
]]


local is_set, in_array; -- imported functions from selected Module:Citation/CS1/Utilities
local add_prop_cat, is_set, in_array, set_message, substitute, wrap_style; -- imported functions from selected Module:Citation/CS1/Utilities
local cfg; -- table of tables imported from selected Module:Citation/CS1/Configuration
local cfg; -- table of tables imported from selected Module:Citation/CS1/Configuration


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Wikipedia start date is 2001-01-15T00:00:00 UTC which is 979516800 seconds after 1970-01-01T00:00:00 UTC (the start of Unix time)
Wikipedia start date is 2001-01-15T00:00:00 UTC which is 979516800 seconds after 1970-01-01T00:00:00 UTC (the start of Unix time)
accessdate is the date provided in |accessdate= at time 00:00:00 UTC
accessdate is the date provided in |access-date= at time 00:00:00 UTC
today is the current date at time 00:00:00 UTC plus 48 hours
today is the current date at time 00:00:00 UTC plus 48 hours
if today is 2015-01-01T00:00:00 then
if today is 2015-01-01T00:00:00 then
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This function does not work if it is fed month names for languages other than English.  Wikimedia #time: parser
This function does not work if it is fed month names for languages other than English.  Wikimedia #time: parser
apparently doesn't understand non-Engish date month names. This function will always return false when the date
apparently doesn't understand non-English date month names. This function will always return false when the date
contains a non-English month name because good1 is false after the call to lang.formatDate().  To get around that
contains a non-English month name because good1 is false after the call to lang.formatDate().  To get around that
call this function with YYYY-MM-DD format dates.
call this function with YYYY-MM-DD format dates.
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local function is_valid_accessdate (accessdate)
local function is_valid_accessdate (accessdate)
local good1, good2;
local good1, good2;
local access_ts, tomorrow_ts; -- to hold unix time stamps representing the dates
local access_ts, tomorrow_ts; -- to hold Unix time stamps representing the dates


good1, access_ts = pcall (lang_object.formatDate, lang_object, 'U', accessdate ); -- convert accessdate value to unix timesatmp
good1, access_ts = pcall (lang_object.formatDate, lang_object, 'U', accessdate ); -- convert accessdate value to Unix timestamp
good2, tomorrow_ts = pcall (lang_object.formatDate, lang_object, 'U', 'today + 2 days' ); -- today midnight + 2 days is one second more than all day tomorrow
good2, tomorrow_ts = pcall (lang_object.formatDate, lang_object, 'U', 'today + 2 days' ); -- today midnight + 2 days is one second more than all day tomorrow
if good1 and good2 then -- lang.formatDate() returns a timestamp in the local script which which tonumber() may not understand
if good1 and good2 then -- lang.formatDate() returns a timestamp in the local script which which tonumber() may not understand
access_ts = tonumber (access_ts) or lang_object:parseFormattedNumber (access_ts); -- convert to numbers for the comparison;
access_ts = tonumber (access_ts) or lang_object:parseFormattedNumber (access_ts); -- convert to numbers for the comparison;
tomorrow_ts = tonumber (tomorrow_ts) or lang_object:parseFormattedNumber (tomorrow_ts);
tomorrow_ts = tonumber (tomorrow_ts) or lang_object:parseFormattedNumber (tomorrow_ts);
else
else
return false; -- one or both failed to convert to unix time stamp
return false; -- one or both failed to convert to Unix time stamp
end
end


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returns true and date value if that value has proper dmy, mdy, ymd format.
returns true and date value if that value has proper dmy, mdy, ymd format.


returns false and 9999 (embargoed forever) when date value is not proper format; assumes that when |embargo= is
returns false and 9999 (embargoed forever) when date value is not proper format; assumes that when |pmc-embargo-date= is
set, the editor intended to embargo a pmc but |embargo= does not hold a single date.
set, the editor intended to embargo a PMC but |pmc-embargo-date= does not hold a single date.


]]
]]
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local function get_month_number (month)
local function get_month_number (month)
return cfg.date_names['local'].long[month] or cfg.date_names['local'].short[month] or -- look for local names first
return cfg.date_names['local'].long[month] or cfg.date_names['local'].short[month] or -- look for local names first
cfg.date_names['en'].long[month] or cfg.date_names['en'].short[month] or -- failing that, look for English names
cfg.date_names['en'].long[month] or cfg.date_names['en'].short[month] or -- failing that, look for English names
0; -- not a recognized month name
0; -- not a recognized month name
end
end


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returns 0 when <param> is not |date=
returns 0 when <param> is not |date=


Season numbering is defined by Extended Date/Time Format (EDTF) Specification (https://www.loc.gov/standards/datetime/)
Season numbering is defined by Extended Date/Time Format (EDTF) specification (https://www.loc.gov/standards/datetime/)
which became part of ISO 8601 in 2019.  See '§Sub-year groupings'.  The standard defines various divisions using
which became part of ISO 8601 in 2019.  See '§Sub-year groupings'.  The standard defines various divisions using
numbers 21-41.  cs1|2 only supports generic seasons.  EDTF does support the distinction between north and south
numbers 21-41.  cs1|2 only supports generic seasons.  EDTF does support the distinction between north and south
hemispere seasons but cs1|2 has no way to make that distinction.
hemisphere seasons but cs1|2 has no way to make that distinction.


These additional divisions not currently supported:
These additional divisions not currently supported:
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returns 0 when <param> is not |date=
returns 0 when <param> is not |date=


Quarter numbering is defined by Extended Date/Time Format (EDTF) Specification (https://www.loc.gov/standards/datetime/)
Quarter numbering is defined by Extended Date/Time Format (EDTF) specification (https://www.loc.gov/standards/datetime/)
which became part of ISO 8601 in 2019.  See '§Sub-year groupings'.  The standard defines various divisions using
which became part of ISO 8601 in 2019.  See '§Sub-year groupings'.  The standard defines various divisions using
numbers 21-41.  cs1|2 only supports generic seasons and quarters.
numbers 21-41.  cs1|2 only supports generic seasons and quarters.
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month = tonumber(month); -- required for YYYY-MM-DD dates
month = tonumber(month); -- required for YYYY-MM-DD dates
if (2==month) then -- if February
if (2 == month) then -- if February
month_length = 28; -- then 28 days unless
month_length = 28; -- then 28 days unless
if 1582 > tonumber(year) then -- Julian calendar
if 1582 > tonumber(year) then -- Julian calendar
if 0==(year%4) then -- is a leap year?
if 0 == (year%4) then -- is a leap year?
month_length = 29; -- if leap year then 29 days in February
month_length = 29; -- if leap year then 29 days in February
end
end
else -- Gregorian calendar
else -- Gregorian calendar
if (0==(year%4) and (0~=(year%100) or 0==(year%400))) then -- is a leap year?
if (0 == (year%4) and (0 ~= (year%100) or 0 == (year%400))) then -- is a leap year?
month_length = 29; -- if leap year then 29 days in February
month_length = 29; -- if leap year then 29 days in February
end
end
end
end
else
else
month_length=days_in_month[month];
month_length = days_in_month[month];
end
end


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if len1 == len2 then
if len1 == len2 then
return true; -- both months are short form so return true
return true; -- both months are short form so return true
elseif 'May' == month1 or 'May'== month2 then
elseif 'May' == month1 or 'May'== month2 then -- ToDo: I18N
return true; -- both months are long form so return true
return true; -- both months are long form so return true
elseif 3 == len1 or 3 == len2 then
elseif 3 == len1 or 3 == len2 then
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Month pairs are expected to be left to right, earliest to latest in time.
Month pairs are expected to be left to right, earliest to latest in time.


All season ranges are accepted as valid because there are publishers out there who have published a Summer–Spring YYYY issue so ... ok
All season ranges are accepted as valid because there are publishers out there who have published a Summer–Spring YYYY issue, hence treat as ok


]]
]]
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range_end_number = get_season_number (range_end, param); -- get end season number
range_end_number = get_season_number (range_end, param); -- get end season number


if (0 ~= range_start_number) and (0 ~= range_end_number) then
if (0 ~= range_start_number) and (0 ~= range_end_number) and (range_start_number ~= range_end_number) then
return true; -- any season pairing is accepted
return true; -- any season pairing is accepted except when both are the same
end
end
return false; -- range_start and/or range_end is not a season
return false; -- range_start and/or range_end is not a season
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-- here when range_start is a month
-- here when range_start is a month
range_end_number = get_month_number (range_end); -- get end month number
range_end_number = get_month_number (range_end); -- get end month number
if range_start_number < range_end_number then -- range_start is a month; does range_start precede range_end?
if range_start_number < range_end_number and -- range_start is a month; does range_start precede range_end?
if is_valid_month_range_style (range_start, range_end) then -- do months have the same style?
is_valid_month_range_style (range_start, range_end) then -- do months have the same style?
return true; -- proper order and same style
return true; -- proper order and same style
end
end
end
return false; -- range_start month number is greater than or equal to range end number; or range end isn't a month
return false; -- range_start month number is greater than or equal to range end number; or range end isn't a month
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the output table receives:
the output table receives:
rftdate: an IS8601 formatted date
rftdate: an ISO 8601 formatted date
rftchron: a free-form version of the date, usually without year which is in rftdate (season ranges and proper-name dates)
rftchron: a free-form version of the date, usually without year which is in rftdate (season ranges and proper-name dates)
rftssn: one of four season keywords: winter, spring, summer, fall (lowercase)
rftssn: one of four season keywords: winter, spring, summer, fall (lowercase)
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local day = tonumber (input.day);
local day = tonumber (input.day);
if (0 ~= day) and -- day must have a value for this to be a whole date
if (0 ~= day) and -- day must have a value for this to be a whole date
(((1582 == year) and (10 <= month) and (12 >= month)) or -- any whole 1582 date from 1 october to 31 December or
(((1582 == year) and (10 <= month) and (12 >= month)) or -- any whole 1582 date from 1 October to 31 December or
((1926 == year) and (1 == month) and (1 == input.day)) or -- 1 January 1926 or
((1926 == year) and (1 == month) and (1 == input.day)) or -- 1 January 1926 or
((1582 < year) and (1925 >= year))) then -- any date 1 January 1583 – 31 December 1925
((1582 < year) and (1925 >= year))) then -- any date 1 January 1583 – 31 December 1925
tCOinS_date.inter_cal_cat = true; -- set category flag true
tCOinS_date.inter_cal_cat = true; -- set category flag true
end
end
-- end temporary Julian / Gergorian calendar uncertainty detection
-- end temporary Julian / Gregorian calendar uncertainty detection
if 1582 > tonumber(input.year) or 20 < tonumber(input.month) then -- Julian calendar or season so &rft.date gets year only
if 1582 > tonumber(input.year) or 20 < tonumber(input.month) then -- Julian calendar or season so &rft.date gets year only
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end
end
if 20 < tonumber(input.month) then -- if season or proper-name date
if 20 < tonumber(input.month) then -- if season or proper-name date
local season = {[24]='winter', [21]='spring', [22]='summer', [23]='fall', [33]='1', [34]='2', [35]='3', [36]='4', [98]='Easter', [99]='Christmas'}; -- seasons lowercase, no autumn; proper-names use title case
local season = {[24] = 'winter', [21] = 'spring', [22] = 'summer', [23] = 'fall', [33] = '1', [34] = '2', [35] = '3', [36] = '4', [98] = 'Easter', [99] = 'Christmas'}; -- seasons lowercase, no autumn; proper-names use title case
if 0 == input.month2 then -- single season date
if 0 == input.month2 then -- single season date
if 40 <tonumber(input.month) then
if 40 < tonumber(input.month) then
tCOinS_date.rftchron = season[input.month]; -- proper-name dates
tCOinS_date.rftchron = season[input.month]; -- proper-name dates
elseif 30 <tonumber(input.month) then
elseif 30 < tonumber(input.month) then
tCOinS_date.rftquarter = season[input.month]; -- quarters
tCOinS_date.rftquarter = season[input.month]; -- quarters
else
else
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['dMy'] = {'^([1-9]%d?) +(%D-) +((%d%d%d%d?)%a?)$', 'd', 'm', 'a', 'y'},
['dMy'] = {'^([1-9]%d?) +(%D-) +((%d%d%d%d?)%a?)$', 'd', 'm', 'a', 'y'},
-- year-initial: year month day; day: 1 or 2 two digits, leading zero allowed; not supported at en.wiki
-- year-initial: year month day; day: 1 or 2 two digits, leading zero allowed; not supported at en.wiki
-- ['yMd'] = {'^((%d%d%d%d?)%a?) +(%D-) +(%d%d?)$', 'a', 'y', 'm', 'd'},
-- ['yMd'] = {'^((%d%d%d%d?)%a?) +(%D-) +(%d%d?)$', 'a', 'y', 'm', 'd'},
-- day-range-initial: day–day month year; days are separated by endash
-- day-range-initial: day–day month year; days are separated by endash
['d-dMy'] = {'^([1-9]%d?)[%-–]([1-9]%d?) +(%D-) +((%d%d%d%d)%a?)$', 'd', 'd2', 'm', 'a', 'y'},
['d-dMy'] = {'^([1-9]%d?)[%-–]([1-9]%d?) +(%D-) +((%d%d%d%d)%a?)$', 'd', 'd2', 'm', 'a', 'y'},
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-- month/season range year; months separated by endash
-- month/season range year; months separated by endash
['M-My'] = {'^(%D-)[%-–](%D-) +((%d%d%d%d)%a?)$', 'm', 'm2', 'a', 'y'},
['M-My'] = {'^(%D-)[%-–](%D-) +((%d%d%d%d)%a?)$', 'm', 'm2', 'a', 'y'},
-- month/season year or proper-name year; quarter year when First Quarter YYYY etc
-- month/season year or proper-name year; quarter year when First Quarter YYYY etc.
['My'] = {'^([^%d–]-) +((%d%d%d%d)%a?)$', 'm', 'a', 'y'}, -- this way because endash is a member of %D; %D- will match January–March 2019 when it shouldn't
['My'] = {'^([^%d–]-) +((%d%d%d%d)%a?)$', 'm', 'a', 'y'}, -- this way because endash is a member of %D; %D- will match January–March 2019 when it shouldn't


-- these date formats cannot be converted
-- these date formats cannot be converted
-- ['Q,y'] = {'^(Q%a* +[1-4]), +((%d%d%d%d)%a?)$'}, -- Quarter n, yyyy
['Sy4-y2'] = {'^(%D-) +((%d%d)%d%d)[%-–]((%d%d)%a?)$'}, -- special case Winter/Summer year-year (YYYY-YY); year separated with unspaced endash
['Sy4-y2'] = {'^(%D-) +((%d%d)%d%d)[%-–]((%d%d)%a?)$'}, -- special case Winter/Summer year-year (YYYY-YY); year separated with unspaced endash
['Sy-y'] = {'^(%D-) +(%d%d%d%d)[%-–]((%d%d%d%d)%a?)$'}, -- special case Winter/Summer year-year; year separated with unspaced endash
['Sy-y'] = {'^(%D-) +(%d%d%d%d)[%-–]((%d%d%d%d)%a?)$'}, -- special case Winter/Summer year-year; year separated with unspaced endash
['y-y'] = {'^(%d%d%d%d?)[%-–]((%d%d%d%d?)%a?)$'}, -- year range: YYY-YYY or YYY-YYYY or YYYY–YYYY; separated by unspaced endash; 100-9999
['y-y'] = {'^(%d%d%d%d?)[%-–]((%d%d%d%d?)%a?)$'}, -- year range: YYY-YYY or YYY-YYYY or YYYY–YYYY; separated by unspaced endash; 100-9999
['y4-y2'] = {'^((%d%d)%d%d)[%-–]((%d%d)%a?)$'}, -- year range: YYYY–YY; separated by unspaced endash
['y4-y2'] = {'^((%d%d)%d%d)[%-–]((%d%d)%a?)$'}, -- year range: YYYY–YY; separated by unspaced endash
['ymx'] = {'^(%d%d%d%d)%-(%d%d)%-XX$', 'y', 'm'}, -- edtf year-initial numerical year-month-XX
['y'] = {'^((%d%d%d%d?)%a?)$'}, -- year; here accept either YYY or YYYY
['y'] = {'^((%d%d%d%d?)%a?)$'}, -- year; here accept either YYY or YYYY
}
}
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If the date fails the format tests, this function returns false and does not return values for anchor_year and
If the date fails the format tests, this function returns false and does not return values for anchor_year and
COinS_date.  When this happens, the date parameter is used in the COinS metadata and the CITEREF identifier gets
COinS_date.  When this happens, the date parameter is (DEBUG: not?) used in the COinS metadata and the CITEREF identifier gets
its year from the year parameter if present otherwise CITEREF does not get a date value.
its year from the year parameter if present otherwise CITEREF does not get a date value.


Inputs:
Inputs:
date_string - date string from date-holding parameters (date, year, accessdate, embargo, archivedate, etc.)
date_string - date string from date-holding parameters (date, year, publication-date, access-date, pmc-embargo-date, archive-date, lay-date)


Returns:
Returns:
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local function check_date (date_string, param, tCOinS_date)
local function check_date (date_string, param, tCOinS_date)
local year; -- assume that year2, months, and days are not used;
local year; -- assume that year2, months, and days are not used;
local year2=0; -- second year in a year range
local year2 = 0; -- second year in a year range
local month=0;
local month = 0;
local month2=0; -- second month in a month range
local month2 = 0; -- second month in a month range
local day=0;
local day = 0;
local day2=0; -- second day in a day range
local day2 = 0; -- second day in a day range
local anchor_year;
local anchor_year;
local coins_date;
local coins_date;


if date_string:match (patterns['ymd'][1]) then -- year-initial numerical year month day format
if date_string:match (patterns['ymd'][1]) then -- year-initial numerical year month day format
year, month, day=date_string:match (patterns['ymd'][1]);
year, month, day = date_string:match (patterns['ymd'][1]);
if 12 < tonumber(month) or 1 > tonumber(month) or 1582 > tonumber(year) or 0 == tonumber(day) then return false; end -- month or day number not valid or not Gregorian calendar
if 12 < tonumber(month) or 1 > tonumber(month) or 1582 > tonumber(year) or 0 == tonumber(day) then return false; end -- month or day number not valid or not Gregorian calendar
anchor_year = year;
anchor_year = year;
-- elseif mw.ustring.match(date_string, patterns['Q,y'][1]) then -- quarter n, year; here because much the same as Mdy
elseif date_string:match (patterns['ymx'][1]) then -- year-initial numerical year month edtf format
-- month, anchor_year, year=mw.ustring.match(date_string, patterns['Q,y'][1]);
year, month = date_string:match (patterns['ymx'][1]);
-- if not is_valid_year(year) then return false; end
if 12 < tonumber(month) or 1 > tonumber(month) or 1582 > tonumber(year) or not is_valid_year(year) then return false; end -- month number not valid or not Gregorian calendar or future year
-- month = get_quarter_number (month, param); -- get quarter number or nil
anchor_year = year;
-- if not month then return false; end -- not valid whatever it is


elseif mw.ustring.match(date_string, patterns['Mdy'][1]) then -- month-initial: month day, year
elseif mw.ustring.match(date_string, patterns['Mdy'][1]) then -- month-initial: month day, year
month, day, anchor_year, year=mw.ustring.match(date_string, patterns['Mdy'][1]);
month, day, anchor_year, year = mw.ustring.match(date_string, patterns['Mdy'][1]);
month = get_month_number (month);
month = get_month_number (month);
if 0 == month then return false; end -- return false if month text isn't one of the twelve months
if 0 == month then return false; end -- return false if month text isn't one of the twelve months
elseif mw.ustring.match(date_string, patterns['Md-dy'][1]) then -- month-initial day range: month day–day, year; days are separated by endash
elseif mw.ustring.match(date_string, patterns['Md-dy'][1]) then -- month-initial day range: month day–day, year; days are separated by endash
month, day, day2, anchor_year, year=mw.ustring.match(date_string, patterns['Md-dy'][1]);
month, day, day2, anchor_year, year = mw.ustring.match(date_string, patterns['Md-dy'][1]);
if tonumber(day) >= tonumber(day2) then return false; end -- date range order is left to right: earlier to later; dates may not be the same;
if tonumber(day) >= tonumber(day2) then return false; end -- date range order is left to right: earlier to later; dates may not be the same;
month = get_month_number (month);
month = get_month_number (month);
if 0 == month then return false; end -- return false if month text isn't one of the twelve months
if 0 == month then return false; end -- return false if month text isn't one of the twelve months
month2=month; -- for metadata
month2=month; -- for metadata
year2=year;
year2 = year;


elseif mw.ustring.match(date_string, patterns['dMy'][1]) then -- day-initial: day month year
elseif mw.ustring.match(date_string, patterns['dMy'][1]) then -- day-initial: day month year
day, month, anchor_year, year=mw.ustring.match(date_string, patterns['dMy'][1]);
day, month, anchor_year, year = mw.ustring.match(date_string, patterns['dMy'][1]);
month = get_month_number (month);
month = get_month_number (month);
if 0 == month then return false; end -- return false if month text isn't one of the twelve months
if 0 == month then return false; end -- return false if month text isn't one of the twelve months
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--[[ NOT supported at en.wiki
--[[ NOT supported at en.wiki
elseif mw.ustring.match(date_string, patterns['yMd'][1]) then -- year-initial: year month day; day: 1 or 2 two digits, leading zero allowed
elseif mw.ustring.match(date_string, patterns['yMd'][1]) then -- year-initial: year month day; day: 1 or 2 two digits, leading zero allowed
anchor_year, year, month, day=mw.ustring.match(date_string, patterns['yMd'][1]);
anchor_year, year, month, day = mw.ustring.match(date_string, patterns['yMd'][1]);
month = get_month_number (month);
month = get_month_number (month);
if 0 == month then return false; end -- return false if month text isn't one of the twelve months
if 0 == month then return false; end -- return false if month text isn't one of the twelve months
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elseif mw.ustring.match(date_string, patterns['d-dMy'][1]) then -- day-range-initial: day–day month year; days are separated by endash
elseif mw.ustring.match(date_string, patterns['d-dMy'][1]) then -- day-range-initial: day–day month year; days are separated by endash
day, day2, month, anchor_year, year=mw.ustring.match(date_string, patterns['d-dMy'][1]);
day, day2, month, anchor_year, year = mw.ustring.match(date_string, patterns['d-dMy'][1]);
if tonumber(day) >= tonumber(day2) then return false; end -- date range order is left to right: earlier to later; dates may not be the same;
if tonumber(day) >= tonumber(day2) then return false; end -- date range order is left to right: earlier to later; dates may not be the same;
month = get_month_number (month);
month = get_month_number (month);
if 0 == month then return false; end -- return false if month text isn't one of the twelve months
if 0 == month then return false; end -- return false if month text isn't one of the twelve months
month2=month; -- for metadata
month2 = month; -- for metadata
year2=year;
year2 = year;


elseif mw.ustring.match(date_string, patterns['dM-dMy'][1]) then -- day initial month-day-range: day month - day month year; uses spaced endash
elseif mw.ustring.match(date_string, patterns['dM-dMy'][1]) then -- day initial month-day-range: day month - day month year; uses spaced endash
day, month, day2, month2, anchor_year, year=mw.ustring.match(date_string, patterns['dM-dMy'][1]);
day, month, day2, month2, anchor_year, year = mw.ustring.match(date_string, patterns['dM-dMy'][1]);
if (not is_valid_month_season_range(month, month2)) or not is_valid_year(year) then return false; end -- date range order is left to right: earlier to later;
if (not is_valid_month_season_range(month, month2)) or not is_valid_year(year) then return false; end -- date range order is left to right: earlier to later;
month = get_month_number (month); -- for metadata
month = get_month_number (month); -- for metadata
month2 = get_month_number (month2);
month2 = get_month_number (month2);
year2=year;
year2 = year;


elseif mw.ustring.match(date_string, patterns['Md-Mdy'][1]) then -- month initial month-day-range: month day – month day, year; uses spaced endash
elseif mw.ustring.match(date_string, patterns['Md-Mdy'][1]) then -- month initial month-day-range: month day – month day, year; uses spaced endash
month, day, month2, day2, anchor_year, year=mw.ustring.match(date_string, patterns['Md-Mdy'][1]);
month, day, month2, day2, anchor_year, year = mw.ustring.match(date_string, patterns['Md-Mdy'][1]);
if (not is_valid_month_season_range(month, month2, param)) or not is_valid_year(year) then return false; end
if (not is_valid_month_season_range(month, month2, param)) or not is_valid_year(year) then return false; end
month = get_month_number (month); -- for metadata
month = get_month_number (month); -- for metadata
month2 = get_month_number (month2);
month2 = get_month_number (month2);
year2=year;
year2 = year;


elseif mw.ustring.match(date_string, patterns['dMy-dMy'][1]) then -- day initial month-day-year-range: day month year - day month year; uses spaced endash
elseif mw.ustring.match(date_string, patterns['dMy-dMy'][1]) then -- day initial month-day-year-range: day month year - day month year; uses spaced endash
day, month, year, day2, month2, anchor_year, year2=mw.ustring.match(date_string, patterns['dMy-dMy'][1]);
day, month, year, day2, month2, anchor_year, year2 = mw.ustring.match(date_string, patterns['dMy-dMy'][1]);
if tonumber(year2) <= tonumber(year) then return false; end -- must be sequential years, left to right, earlier to later
if tonumber(year2) <= tonumber(year) then return false; end -- must be sequential years, left to right, earlier to later
if not is_valid_year(year2) or not is_valid_month_range_style(month, month2) then return false; end -- year2 no more than one year in the future; months same style
if not is_valid_year(year2) or not is_valid_month_range_style(month, month2) then return false; end -- year2 no more than one year in the future; months same style
month = get_month_number (month); -- for metadata
month = get_month_number (month); -- for metadata
month2 = get_month_number (month2);
month2 = get_month_number (month2);
if 0 == month or 0 == month2 then return false; end -- both must be valid


elseif mw.ustring.match(date_string, patterns['Mdy-Mdy'][1]) then -- month initial month-day-year-range: month day, year – month day, year; uses spaced endash
elseif mw.ustring.match(date_string, patterns['Mdy-Mdy'][1]) then -- month initial month-day-year-range: month day, year – month day, year; uses spaced endash
month, day, year, month2, day2, anchor_year, year2=mw.ustring.match(date_string, patterns['Mdy-Mdy'][1]);
month, day, year, month2, day2, anchor_year, year2 = mw.ustring.match(date_string, patterns['Mdy-Mdy'][1]);
if tonumber(year2) <= tonumber(year) then return false; end -- must be sequential years, left to right, earlier to later
if tonumber(year2) <= tonumber(year) then return false; end -- must be sequential years, left to right, earlier to later
if not is_valid_year(year2) or not is_valid_month_range_style(month, month2) then return false; end -- year2 no more than one year in the future; months same style
if not is_valid_year(year2) or not is_valid_month_range_style(month, month2) then return false; end -- year2 no more than one year in the future; months same style
month = get_month_number (month); -- for metadata
month = get_month_number (month); -- for metadata
month2 = get_month_number (month2);
month2 = get_month_number(month2);
if 0 == month or 0 == month2 then return false; end -- both must be valid


elseif mw.ustring.match(date_string, patterns['Sy4-y2'][1]) then -- special case Winter/Summer year-year (YYYY-YY); year separated with unspaced endash
elseif mw.ustring.match(date_string, patterns['Sy4-y2'][1]) then -- special case Winter/Summer year-year (YYYY-YY); year separated with unspaced endash
local century;
local century;
month, year, century, anchor_year, year2=mw.ustring.match(date_string, patterns['Sy4-y2'][1]);
month, year, century, anchor_year, year2 = mw.ustring.match(date_string, patterns['Sy4-y2'][1]);
if 'Winter' ~= month and 'Summer' ~= month then return false end; -- 'month' can only be Winter or Summer
if 'Winter' ~= month and 'Summer' ~= month then return false end; -- 'month' can only be Winter or Summer
anchor_year=year..'–'..anchor_year; -- assemble anchor_year from both years
anchor_year = year .. '–' .. anchor_year; -- assemble anchor_year from both years
year2 = century..year2; -- add the century to year2 for comparisons
year2 = century..year2; -- add the century to year2 for comparisons
if 1 ~= tonumber(year2) - tonumber(year) then return false; end -- must be sequential years, left to right, earlier to later
if 1 ~= tonumber(year2) - tonumber(year) then return false; end -- must be sequential years, left to right, earlier to later
if not is_valid_year(year2) then return false; end -- no year farther in the future than next year
if not is_valid_year(year2) then return false; end -- no year farther in the future than next year
month = get_season_number (month, param);
month = get_season_number(month, param);


elseif mw.ustring.match(date_string, patterns['Sy-y'][1]) then -- special case Winter/Summer year-year; year separated with unspaced endash
elseif mw.ustring.match(date_string, patterns['Sy-y'][1]) then -- special case Winter/Summer year-year; year separated with unspaced endash
month, year, anchor_year, year2=mw.ustring.match(date_string, patterns['Sy-y'][1]);
month, year, anchor_year, year2 = mw.ustring.match(date_string, patterns['Sy-y'][1]);
if 'Winter' ~= month and 'Summer' ~= month then return false end; -- 'month' can only be Winter or Summer
if 'Winter' ~= month and 'Summer' ~= month then return false end; -- 'month' can only be Winter or Summer
anchor_year=year..'–'..anchor_year; -- assemble anchor_year from both years
anchor_year = year .. '–' .. anchor_year; -- assemble anchor_year from both years
if 1 ~= tonumber(year2) - tonumber(year) then return false; end -- must be sequential years, left to right, earlier to later
if 1 ~= tonumber(year2) - tonumber(year) then return false; end -- must be sequential years, left to right, earlier to later
if not is_valid_year(year2) then return false; end -- no year farther in the future than next year
if not is_valid_year(year2) then return false; end -- no year farther in the future than next year
Line 583: Line 582:


elseif mw.ustring.match(date_string, patterns['My-My'][1]) then -- month/season year - month/season year; separated by spaced endash
elseif mw.ustring.match(date_string, patterns['My-My'][1]) then -- month/season year - month/season year; separated by spaced endash
month, year, month2, anchor_year, year2=mw.ustring.match(date_string, patterns['My-My'][1]);
month, year, month2, anchor_year, year2 = mw.ustring.match(date_string, patterns['My-My'][1]);
anchor_year=year..'–'..anchor_year; -- assemble anchor_year from both years
anchor_year = year .. '–' .. anchor_year; -- assemble anchor_year from both years
if tonumber(year) >= tonumber(year2) then return false; end -- left to right, earlier to later, not the same
if tonumber(year) >= tonumber(year2) then return false; end -- left to right, earlier to later, not the same
if not is_valid_year(year2) then return false; end -- no year farther in the future than next year
if not is_valid_year(year2) then return false; end -- no year farther in the future than next year
Line 598: Line 597:


elseif mw.ustring.match(date_string, patterns['M-My'][1]) then -- month/season range year; months separated by endash  
elseif mw.ustring.match(date_string, patterns['M-My'][1]) then -- month/season range year; months separated by endash  
month, month2, anchor_year, year=mw.ustring.match(date_string, patterns['M-My'][1]);
month, month2, anchor_year, year = mw.ustring.match(date_string, patterns['M-My'][1]);
if (not is_valid_month_season_range(month, month2, param)) or (not is_valid_year(year)) then return false; end
if (not is_valid_month_season_range(month, month2, param)) or (not is_valid_year(year)) then return false; end
if 0 ~= get_month_number(month) then -- determined to be a valid range so just check this one to know if month or season
if 0 ~= get_month_number(month) then -- determined to be a valid range so just check this one to know if month or season
month = get_month_number(month);
month = get_month_number(month);
month2 = get_month_number(month2);
month2 = get_month_number(month2);
if 0 == month or 0 == month2 then return false; end
else
else
month = get_season_number(month, param);
month = get_season_number(month, param);
month2 = get_season_number(month2, param);
month2 = get_season_number(month2, param);
end
end
year2=year;
year2 = year;
elseif mw.ustring.match(date_string, patterns['My'][1]) then -- month/season/quarter/proper-name year
elseif mw.ustring.match(date_string, patterns['My'][1]) then -- month/season/quarter/proper-name year
month, anchor_year, year=mw.ustring.match(date_string, patterns['My'][1]);
month, anchor_year, year = mw.ustring.match(date_string, patterns['My'][1]);
if not is_valid_year(year) then return false; end
if not is_valid_year(year) then return false; end
month = get_element_number (month, param); -- get month season quarter proper-name number or nil
month = get_element_number(month, param); -- get month season quarter proper-name number or nil
if not month then return false; end -- not valid whatever it is
if not month then return false; end -- not valid whatever it is


elseif mw.ustring.match(date_string, patterns['y-y'][1]) then -- Year range: YYY-YYY or YYY-YYYY or YYYY–YYYY; separated by unspaced endash; 100-9999
elseif mw.ustring.match(date_string, patterns['y-y'][1]) then -- Year range: YYY-YYY or YYY-YYYY or YYYY–YYYY; separated by unspaced endash; 100-9999
year, anchor_year, year2=mw.ustring.match(date_string, patterns['y-y'][1]);
year, anchor_year, year2 = mw.ustring.match(date_string, patterns['y-y'][1]);
anchor_year=year..'–'..anchor_year; -- assemble anchor year from both years
anchor_year = year .. '–' .. anchor_year; -- assemble anchor year from both years
if tonumber(year) >= tonumber(year2) then return false; end -- left to right, earlier to later, not the same
if tonumber(year) >= tonumber(year2) then return false; end -- left to right, earlier to later, not the same
if not is_valid_year(year2) then return false; end -- no year farther in the future than next year
if not is_valid_year(year2) then return false; end -- no year farther in the future than next year
Line 623: Line 623:
elseif mw.ustring.match(date_string, patterns['y4-y2'][1]) then -- Year range: YYYY–YY; separated by unspaced endash
elseif mw.ustring.match(date_string, patterns['y4-y2'][1]) then -- Year range: YYYY–YY; separated by unspaced endash
local century;
local century;
year, century, anchor_year, year2=mw.ustring.match(date_string, patterns['y4-y2'][1]);
year, century, anchor_year, year2 = mw.ustring.match(date_string, patterns['y4-y2'][1]);
anchor_year=year..'–'..anchor_year; -- assemble anchor year from both years
anchor_year = year .. '–' .. anchor_year; -- assemble anchor year from both years
 
if in_array (param, {'date', 'publication-date', 'year'}) then
add_prop_cat ('year_range_abbreviated');
end
 
if 13 > tonumber(year2) then return false; end -- don't allow 2003-05 which might be May 2003
if 13 > tonumber(year2) then return false; end -- don't allow 2003-05 which might be May 2003
year2 = century..year2; -- add the century to year2 for comparisons
year2 = century .. year2; -- add the century to year2 for comparisons
if tonumber(year) >= tonumber(year2) then return false; end -- left to right, earlier to later, not the same
if tonumber(year) >= tonumber(year2) then return false; end -- left to right, earlier to later, not the same
if not is_valid_year(year2) then return false; end -- no year farther in the future than next year
if not is_valid_year(year2) then return false; end -- no year farther in the future than next year


elseif mw.ustring.match (date_string, patterns['y'][1]) then -- year; here accept either YYY or YYYY
elseif mw.ustring.match(date_string, patterns['y'][1]) then -- year; here accept either YYY or YYYY
anchor_year, year=mw.ustring.match (date_string, patterns['y'][1]);
anchor_year, year = mw.ustring.match(date_string, patterns['y'][1]);
if false == is_valid_year(year) then
if false == is_valid_year(year) then
return false;
return false;
Line 643: Line 648:
if 0 ~= year and 0 ~= month and 0 ~= day and -- all parts of a single date required
if 0 ~= year and 0 ~= month and 0 ~= day and -- all parts of a single date required
0 == year2 and 0 == month2 and 0 == day2 then -- none of these; accessdate must not be a range
0 == year2 and 0 == month2 and 0 == day2 then -- none of these; accessdate must not be a range
if not is_valid_accessdate (year..'-'..month..'-'..day) then
if not is_valid_accessdate(year .. '-' .. month .. '-' .. day) then
return false; -- return false when accessdate out of bounds
return false; -- return false when accessdate out of bounds
end
end
Line 653: Line 658:
local result=true; -- check whole dates for validity; assume true because not all dates will go through this test
local result=true; -- check whole dates for validity; assume true because not all dates will go through this test
if 0 ~= year and 0 ~= month and 0 ~= day and 0 == year2 and 0 == month2 and 0 == day2 then -- YMD (simple whole date)
if 0 ~= year and 0 ~= month and 0 ~= day and 0 == year2 and 0 == month2 and 0 == day2 then -- YMD (simple whole date)
result=is_valid_date(year,month,day);
result = is_valid_date(year, month, day);


elseif 0 ~= year and 0 ~= month and 0 ~= day and 0 == year2 and 0 == month2 and 0 ~= day2 then -- YMD-d (day range)
elseif 0 ~= year and 0 ~= month and 0 ~= day and 0 == year2 and 0 == month2 and 0 ~= day2 then -- YMD-d (day range)
result=is_valid_date(year,month,day);
result = is_valid_date(year, month, day);
result=result and is_valid_date(year,month,day2);
result = result and is_valid_date(year, month, day2);


elseif 0 ~= year and 0 ~= month and 0 ~= day and 0 == year2 and 0 ~= month2 and 0 ~= day2 then -- YMD-md (day month range)
elseif 0 ~= year and 0 ~= month and 0 ~= day and 0 == year2 and 0 ~= month2 and 0 ~= day2 then -- YMD-md (day month range)
result=is_valid_date(year,month,day);
result = is_valid_date(year, month, day);
result=result and is_valid_date(year,month2,day2);
result = result and is_valid_date(year, month2, day2);


elseif 0 ~= year and 0 ~= month and 0 ~= day and 0 ~= year2 and 0 ~= month2 and 0 ~= day2 then -- YMD-ymd (day month year range)
elseif 0 ~= year and 0 ~= month and 0 ~= day and 0 ~= year2 and 0 ~= month2 and 0 ~= day2 then -- YMD-ymd (day month year range)
result=is_valid_date(year,month,day);
result = is_valid_date(year, month, day);
result=result and is_valid_date(year2,month2,day2);
result = result and is_valid_date(year2, month2, day2);
end
end
Line 671: Line 676:


if nil ~= tCOinS_date then -- this table only passed into this function when testing |date= parameter values
if nil ~= tCOinS_date then -- this table only passed into this function when testing |date= parameter values
make_COinS_date ({year=year, month=month, day=day, year2=year2, month2=month2, day2=day2}, tCOinS_date); -- make an ISO 8601 date string for COinS
make_COinS_date ({year = year, month = month, day = day, year2 = year2, month2 = month2, day2 = day2}, tCOinS_date); -- make an ISO 8601 date string for COinS
end
end
Line 685: Line 690:


Unlike most error messages created in this module, only one error message is created by this function. Because all of the date holding parameters are processed serially,
Unlike most error messages created in this module, only one error message is created by this function. Because all of the date holding parameters are processed serially,
a single error message is created as the dates are tested.
parameters with errors are added to the <error_list> sequence table as the dates are tested.


]]
]]


local function dates(date_parameters_list, tCOinS_date)
local function dates(date_parameters_list, tCOinS_date, error_list)
local anchor_year; -- will return as nil if the date being tested is not |date=
local anchor_year; -- will return as nil if the date being tested is not |date=
local COinS_date; -- will return as nil if the date being tested is not |date=
local COinS_date; -- will return as nil if the date being tested is not |date=
local embargo_date; -- if embargo date is a good dmy, mdy, ymd date then holds original value else reset to 9999
local embargo_date; -- if embargo date is a good dmy, mdy, ymd date then holds original value else reset to 9999
local error_message = "";
local good_date = false;
local good_date = false;
 
for k, v in pairs(date_parameters_list) do -- for each date-holding parameter in the list
for k, v in pairs(date_parameters_list) do -- for each date-holding parameter in the list
if is_set(v.val) then -- if the parameter has a value
if is_set(v.val) then -- if the parameter has a value
v.val = mw.ustring.gsub (v.val, '%d', cfg.date_names.local_digits); -- translate 'local' digits to Western 0-9
v.val = mw.ustring.gsub(v.val, '%d', cfg.date_names.local_digits); -- translate 'local' digits to Western 0-9
if v.val:match("^c%. [1-9]%d%d%d?%a?$") then -- special case for c. year or with or without CITEREF disambiguator - only |date= and |year=
if v.val:match("^c%. [1-9]%d%d%d?%a?$") then -- special case for c. year or with or without CITEREF disambiguator - only |date= and |year=
local year = v.val:match("c%. ([1-9]%d%d%d?)%a?"); -- get the year portion so it can be tested
local year = v.val:match("c%. ([1-9]%d%d%d?)%a?"); -- get the year portion so it can be tested
if 'date'==k then
if 'date' == k then
anchor_year, COinS_date = v.val:match("((c%. [1-9]%d%d%d?)%a?)"); -- anchor year and COinS_date only from |date= parameter
anchor_year, COinS_date = v.val:match("((c%. [1-9]%d%d%d?)%a?)"); -- anchor year and COinS_date only from |date= parameter
good_date = is_valid_year(year);
good_date = is_valid_year(year);
elseif 'year'==k then
elseif 'year' == k then
good_date = is_valid_year(year);
good_date = is_valid_year(year);
end
end
elseif 'date'==k then -- if the parameter is |date=
elseif 'date' == k then -- if the parameter is |date=
if v.val:match("^n%.d%.%a?$") then -- if |date=n.d. with or without a CITEREF disambiguator
if v.val:match("^n%.d%.%a?$") then -- ToDo: I18N -- if |date=n.d. with or without a CITEREF disambiguator
good_date, anchor_year, COinS_date = true, v.val:match("((n%.d%.)%a?)"); --"n.d."; no error when date parameter is set to no date
good_date, anchor_year, COinS_date = true, v.val:match("((n%.d%.)%a?)"); -- ToDo: I18N -- "n.d."; no error when date parameter is set to no date
elseif v.val:match("^nd%a?$") then -- if |date=nd with or without a CITEREF disambiguator
elseif v.val:match("^nd%a?$") then -- ToDo: I18N -- if |date=nd with or without a CITEREF disambiguator
good_date, anchor_year, COinS_date = true, v.val:match("((nd)%a?)"); --"nd"; no error when date parameter is set to no date
good_date, anchor_year, COinS_date = true, v.val:match("((nd)%a?)"); -- ToDo: I18N -- "nd"; no error when date parameter is set to no date
else
else
good_date, anchor_year, COinS_date = check_date (v.val, k, tCOinS_date); -- go test the date
good_date, anchor_year, COinS_date = check_date (v.val, k, tCOinS_date); -- go test the date
end
end
elseif 'year'==k then -- if the parameter is |year= it should hold only a year value
elseif 'year' == k then -- if the parameter is |year= it should hold only a year value
if v.val:match("^[1-9]%d%d%d?%a?$") then -- if |year= 3 or 4 digits only with or without a CITEREF disambiguator
if v.val:match("^[1-9]%d%d%d?%a?$") then -- if |year = 3 or 4 digits only with or without a CITEREF disambiguator
good_date, anchor_year, COinS_date = true, v.val:match("((%d+)%a?)");
good_date, anchor_year, COinS_date = true, v.val:match("((%d+)%a?)");
end
end
elseif 'embargo'==k then -- if the parameter is |embargo=
elseif 'pmc-embargo-date' == k then -- if the parameter is |pmc-embargo-date=
good_date = check_date (v.val, k); -- go test the date
good_date = check_date (v.val, k); -- go test the date
if true == good_date then -- if the date is a valid date
if true == good_date then -- if the date is a valid date
good_date, embargo_date = is_valid_embargo_date (v.val); -- is |embargo= date a single dmy, mdy, or ymd formatted date? yes:returns embargo; no: returns 9999
good_date, embargo_date = is_valid_embargo_date (v.val); -- is |pmc-embargo-date= date a single dmy, mdy, or ymd formatted date? yes: returns embargo; no: returns 9999
end
end
else -- any other date-holding parameter
else -- any other date-holding parameter
good_date = check_date (v.val, k); -- go test the date
good_date = check_date (v.val, k); -- go test the date
end
end
if false==good_date then -- assemble one error message so we don't add the tracking category multiple times
if false == good_date then -- assemble one error message so we don't add the tracking category multiple times
if is_set(error_message) then -- once we've added the first portion of the error message ...
table.insert (error_list, wrap_style ('parameter', v.name)); -- make parameter name suitable for error message list
error_message=error_message .. ", "; -- ... add a comma space separator
end
error_message=error_message .. "&#124;" .. v.name .. "="; -- add the failed parameter
end
end
end
end
end
end
return anchor_year, embargo_date, error_message; -- and done
return anchor_year, embargo_date; -- and done
end
end


Line 741: Line 742:
--[[--------------------------< Y E A R _ D A T E _ C H E C K >------------------------------------------------
--[[--------------------------< Y E A R _ D A T E _ C H E C K >------------------------------------------------


Compare the value provided in |year= with the year value(s) provided in |date=.  This function returns a numeric value:
Compare the value provided in |year= with the year value(s) provided in |date=.  This function sets a local numeric value:
0 - year value does not match the year value in date
0 - year value does not match the year value in date
1 - (default) year value matches the year value in date or one of the year values when date contains two years
1 - (default) year value matches the year value in date or one of the year values when date contains two years
2 - year value matches the year value in date when date is in the form YYYY-MM-DD and year is disambiguated (|year=YYYYx)
2 - year value matches the year value in date when date is in the form YYYY-MM-DD and year is disambiguated (|year=YYYYx)
the numernic value in <result> determines the 'output' if any from this function:
0 – adds error message to error_list sequence table
1 – adds maint cat
2 – does nothing


]]
]]


local function year_date_check (year_string, date_string)
local function year_date_check (year_string, year_origin, date_string, date_origin, error_list)
local year;
local year;
local date1;
local date1;
local date2;
local date2;
local result = 1; -- result of the test; assume that the test passes
local result = 1; -- result of the test; assume that the test passes
 
year = year_string:match ('(%d%d%d%d?)');
year = year_string:match ('(%d%d%d%d?)');


Line 784: Line 790:
result = 0;
result = 0;
end
end
else
else -- should never get here; this function called only when no other date errors
result = 0; -- no recognizable year in date
result = 0; -- no recognizable year in date
end
end
return result;
 
if 0 == result then -- year / date mismatch
table.insert (error_list, substitute (cfg.messages['mismatch'], {year_origin, date_origin})); -- add error message to error_list sequence table
elseif 1 == result then -- redundant year / date
set_message ('maint_date_year'); -- add a maint cat
end
end
end


Line 796: Line 807:
reformatted.  Does the grunt work for reformat_dates().
reformatted.  Does the grunt work for reformat_dates().


The table re_formats maps patern_idx (current format) and format_param (desired format) to a table that holds:
The table re_formats maps pattern_idx (current format) and format_param (desired format) to a table that holds:
format string used by string.format()
format string used by string.format()
identifier letters ('d', 'm', 'y', 'd2', 'm2', 'y2') that serve as indexes into a table t{} that holds captures
identifier letters ('d', 'm', 'y', 'd2', 'm2', 'y2') that serve as indexes into a table t{} that holds captures
Line 806: Line 817:
patterns['ymd'][1] is the match pattern with captures for mw.ustring.match()
patterns['ymd'][1] is the match pattern with captures for mw.ustring.match()
patterns['ymd'][2] is an indicator letter identifying the content of the first capture
patterns['ymd'][2] is an indicator letter identifying the content of the first capture
patterns['ymd'][3] ... the second capture etc
patterns['ymd'][3] ... the second capture etc.


when a pattern matches a date, the captures are loaded into table t{} in capture order using the idemtifier
when a pattern matches a date, the captures are loaded into table t{} in capture order using the idemtifier
Line 823: Line 834:
['mdy'] = {'%s %s, %s', 'm', 'd', 'y'}, -- |df=mdy
['mdy'] = {'%s %s, %s', 'm', 'd', 'y'}, -- |df=mdy
['dmy'] = {'%s %s %s', 'd', 'm', 'y'}, -- |df=dmy
['dmy'] = {'%s %s %s', 'd', 'm', 'y'}, -- |df=dmy
-- ['yMd'] = {'%s %s %s', 'y', 'm', 'd'}, -- |df=yMd; not supported at en.wiki
-- ['yMd'] = {'%s %s %s', 'y', 'm', 'd'}, -- |df=yMd; not supported at en.wiki
},
},
['Mdy'] = { -- date format is Mdy; reformat to:
['Mdy'] = { -- date format is Mdy; reformat to:
Line 829: Line 840:
['dmy'] = {'%s %s %s', 'd', 'm', 'y'}, -- |df=dmy
['dmy'] = {'%s %s %s', 'd', 'm', 'y'}, -- |df=dmy
['ymd'] = {'%s-%s-%s', 'y', 'm', 'd'}, -- |df=ymd
['ymd'] = {'%s-%s-%s', 'y', 'm', 'd'}, -- |df=ymd
-- ['yMd'] = {'%s %s %s', 'y', 'm', 'd'}, -- |df=yMd; not supported at en.wiki
-- ['yMd'] = {'%s %s %s', 'y', 'm', 'd'}, -- |df=yMd; not supported at en.wiki
},
},
['dMy'] = { -- date format is dMy; reformat to:
['dMy'] = { -- date format is dMy; reformat to:
Line 835: Line 846:
['mdy'] = {'%s %s, %s', 'm', 'd', 'y'}, -- |df=mdy
['mdy'] = {'%s %s, %s', 'm', 'd', 'y'}, -- |df=mdy
['ymd'] = {'%s-%s-%s', 'y', 'm', 'd'}, -- |df=ymd
['ymd'] = {'%s-%s-%s', 'y', 'm', 'd'}, -- |df=ymd
-- ['yMd'] = {'%s %s %s', 'y', 'm', 'd'}, -- |df=yMd; not supported at en.wiki
-- ['yMd'] = {'%s %s %s', 'y', 'm', 'd'}, -- |df=yMd; not supported at en.wiki
},
},
['Md-dy'] = { -- date format is Md-dy; reformat to:
['Md-dy'] = { -- date format is Md-dy; reformat to:
Line 870: Line 881:
['any'] = {'%s %s', 'm', 'y'}, -- dmy/mdy agnostic
['any'] = {'%s %s', 'm', 'y'}, -- dmy/mdy agnostic
},
},
-- ['yMd'] = { -- not supported at en.wiki
-- ['yMd'] = { -- not supported at en.wiki
-- ['mdy'] = {'%s %s, %s', 'm', 'd', 'y'}, -- |df=mdy
-- ['mdy'] = {'%s %s, %s', 'm', 'd', 'y'}, -- |df=mdy
-- ['dmy'] = {'%s %s %s', 'd', 'm', 'y'}, -- |df=dmy
-- ['dmy'] = {'%s %s %s', 'd', 'm', 'y'}, -- |df=dmy
-- ['ymd'] = {'%s-%s-%s', 'y', 'm', 'd'}, -- |df=ymd
-- ['ymd'] = {'%s-%s-%s', 'y', 'm', 'd'}, -- |df=ymd
-- },
-- },
}
}


Line 891: Line 902:
end
end


-- if 'yMd' == format_param and in_array (pattern_idx, {'yMd', 'Md-dy', 'd-dMy', 'dM-dMy', 'Md-Mdy', 'dMy-dMy', 'Mdy-Mdy'}) then -- not supported at en.wiki
-- yMd is not supported at en.wiki; if yMd is supported at your wiki, uncomment the next line
if 'yMd' == format_param then -- not supported at en.wiki
-- if 'yMd' == format_param and in_array (pattern_idx, {'yMd', 'Md-dy', 'd-dMy', 'dM-dMy', 'Md-Mdy', 'dMy-dMy', 'Mdy-Mdy'}) then -- these formats not convertable; yMd not supported at en.wiki
-- if yMd is supported at your wiki, remove or comment-out the next line
if 'yMd' == format_param then -- yMd not supported at en.wiki
return; -- not a reformattable date
return; -- not a reformattable date
end
end
Line 1,035: Line 1,048:
local n;
local n;
for param_name, param_val in pairs(date_parameters_list) do -- for each date-holding parameter in the list
for param_name, param_val in pairs(date_parameters_list) do -- for each date-holding parameter in the list
if is_set (param_val.val) then
if is_set (param_val.val) and
if not mw.ustring.match (param_val.val, '%d%d%d%d%-%d%d%-%d%d') then -- for those that are not ymd dates (ustring because here digits may not be western)
not mw.ustring.match (param_val.val, patterns.ymd[1]) then -- for those that are not ymd dates (ustring because here digits may not be Western)
param_val.val, n = param_val.val:gsub ('%-', '–'); -- replace any hyphen with ndash
param_val.val, n = param_val.val:gsub ('%-', '–'); -- replace any hyphen with ndash
if 0 ~= n then
if 0 ~= n then
Line 1,042: Line 1,055:
result = true;
result = true;
end
end
end
end
end
end
end
return result; -- so we know if any hyphens were replaced
return result; -- so we know if any hyphens were replaced
end
--[[--------------------------< E D T F _ T R A N S F O R M >--------------------------------------------------
Loops through the list of date-holding parameters and converts any EDTF formatted dates to MOS compliant dates.
Only YYY-MM-XX supported at this time. Not called if the cs1|2 template has any date errors.
must be done before reformat_dates() and before date_hyphen_to_dash()
Modifies the date_parameters_list and returns true if transformation is performed, else returns false.
]]
local function edtf_transform (date_parameters_list)
local result = false;
local source_date = {};
for param_name, param_val in pairs(date_parameters_list) do -- for each date-holding parameter in the list
if is_set(param_val.val) and param_val.val:match (patterns.ymx[1]) then -- if parameter is set and is an EDTF dates
source_date.year, source_date.month = param_val.val:match (patterns.ymx[1]); -- get year and month number
source_date.day = 1; -- required by os.time()
date_parameters_list[param_name].val = mw.text.trim (os.date ('%B %Y', os.time (source_date)));
result = true;
end
end
return result; -- so we know if a transform was done
end
end


Line 1,054: Line 1,093:
date parser function.  This is simple name-for-name replacement and may not work for all languages.
date parser function.  This is simple name-for-name replacement and may not work for all languages.


if xlat_dig is true, this function will also translate western (English) digits to the local language's digits.
if xlat_dig is true, this function will also translate Western (English) digits to the local language's digits.
This will also translate ymd dates.
This will also translate ymd dates.


]]
]]


local function date_name_xlate (date_parameters_list, xlt_dig)
local function date_name_xlate (date_parameters_list, xlt_dig)
local xlate;
local xlate;
local mode; -- long or short month names
local mode; -- long or short month names
Line 1,086: Line 1,125:


if xlt_dig then -- shall we also translate digits?
if xlt_dig then -- shall we also translate digits?
date = date:gsub ('%d', cfg.date_names.xlate_digits); -- translate digits from western to 'local digits'
date = date:gsub ('%d', cfg.date_names.xlate_digits); -- translate digits from Western to 'local digits'
date_parameters_list[param_name].val = date; -- save the translated date
date_parameters_list[param_name].val = date; -- save the translated date
modified = true;
modified = true;
Line 1,094: Line 1,133:
return modified;
return modified;
end
end




Line 1,104: Line 1,143:


local function set_selected_modules (cfg_table_ptr, utilities_page_ptr)
local function set_selected_modules (cfg_table_ptr, utilities_page_ptr)
is_set = utilities_page_ptr.is_set; -- import functions from selected Module:Citation/CS1/Utilities module
add_prop_cat = utilities_page_ptr.add_prop_cat ; -- import functions from selected Module:Citation/CS1/Utilities module
in_array = utilities_page_ptr.in_array; -- import functions from selected Module:Citation/CS1/Utilities module
is_set = utilities_page_ptr.is_set;
in_array = utilities_page_ptr.in_array;
set_message = utilities_page_ptr.set_message;
substitute = utilities_page_ptr.substitute;
wrap_style = utilities_page_ptr.wrap_style;
 
cfg = cfg_table_ptr; -- import tables from selected Module:Citation/CS1/Configuration
cfg = cfg_table_ptr; -- import tables from selected Module:Citation/CS1/Configuration
end
end
Line 1,119: Line 1,163:
date_hyphen_to_dash = date_hyphen_to_dash,
date_hyphen_to_dash = date_hyphen_to_dash,
date_name_xlate = date_name_xlate,
date_name_xlate = date_name_xlate,
edtf_transform = edtf_transform,
set_selected_modules = set_selected_modules
set_selected_modules = set_selected_modules
}
}
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