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2021-07-16T05:13:51Z

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--[[

This template will add the appropriate ordinal suffix to a given integer.

Please do not modify this code without applying the changes first at Module:Ordinal/sandbox and testing
at Module:Ordinal/sandbox/testcases and Module talk:Ordinal/sandbox/testcases.

Authors and maintainers:
* User:RP88

]]

-- =======================================
-- === Dependencies ======================
-- =======================================
local i18n = require('Module:I18n/ordinal') -- get localized translations of ordinals
local LangSwitch = require('Module:LangSwitch') -- get LangSwitch function
local yesno = require('Module:Yesno') -- boolean value interpretation
local formatnum = require('Module:Formatnum') -- number formatting

-- =======================================
-- === Private Functions =================
-- =======================================

--[[
Helper function to generate superscripted content
]]
local function Superscript( str, superscript, nosup, period )
if superscript and (not nosup) and (str ~= '') then
return period .. '' .. str .. ''
else
return str
end
end

--[[
Helper function to call Formatnum.
]]
local function FormatNum( value, lang )
if lang == 'roman' then
return require("Module:Roman-cd")._Numeral(value)
else
return formatnum.formatNum(value, lang)
end
end

--[[
Helper function to add append a category to a message.
]]
local function output_cat( message, category )
return message .. '[[Category:' .. category .. ']]'
end

--[[
Helper function to handle error messages.
]]
local function output_error( error_str, value )
error_str = '' .. value .. ''
return output_cat(error_str, 'Errors reported by Module Ordinal');
end

--[[
This function is the core functionality for adding the appropriate ordinal suffix to a given integer.
]]
local function OrdinalCore( value, lang, style, gender, nosup )
-- Just in case someone breaks the internationalization code, fix the english scheme
if i18n.SchemeFromLang['en'] == nil then
i18n.SchemeFromLang['en'] = 'en-scheme'
end
if i18n.Scheme['en-scheme'] == nil then
i18n.Scheme['en-scheme'] = {rules = 'skip-tens', superscript = true, suffix = 'th', suffix_1 = 'st', suffix_2 = 'nd', suffix_3 = 'rd'}
end

-- Add the default scheme (i.e. "<value>.")
if i18n.SchemeFromLang['default'] == nil then
i18n.SchemeFromLang['default'] = 'period-scheme'
end
if i18n.Scheme['period-scheme'] == nil then
i18n.Scheme['period-scheme'] = {rules = 'suffix', suffix = '.'}
end

-- which scheme should we use to format the ordinal value?
-- Use Fallback module to handle languages groups that map to a supported language
local schemeSpecifier = LangSwitch._langSwitch(i18n.SchemeFromLang, lang)

-- Look up scheme based on scheme specifier (and possibly style)
local scheme = i18n.Scheme[schemeSpecifier .. '/' .. style] or i18n.Scheme[schemeSpecifier]

-- process scheme by applying rules identified by Scheme
local output = ''
local period = (scheme.period and '.') or ''
local rules = scheme.rules
if rules == 'skip-tens' then
local suffix
local mod100 = math.floor(math.abs(value)) % 100
if (mod100 >= 10) and (mod100 <= 19) then
suffix = scheme.suffix or ''
else
local mod10 = math.floor(math.abs(value)) % 10
suffix = scheme['suffix_'..mod10] or scheme.suffix or ''
end
output = FormatNum(value, scheme.formatlang or lang) .. Superscript( suffix, scheme.superscript, nosup, period)
elseif rules == 'suffix' then
output = FormatNum(value, scheme.formatlang or lang) .. Superscript( scheme.suffix or '', scheme.superscript, nosup, period)
elseif rules == 'prefix' then
output = (scheme.prefix or '') .. FormatNum(value, scheme.formatlang or lang)
elseif rules == 'mod10-suffix' then
local index = math.floor(math.abs(value)) % 10
local suffix = scheme['suffix_'..index] or scheme.suffix or ''
output = FormatNum(value, scheme.formatlang or lang) .. Superscript( suffix, scheme.superscript, nosup, period)
elseif rules == 'gendered-suffix' then
local suffix = scheme['suffix_'..gender] or scheme.suffix or ''
output = FormatNum(value, scheme.formatlang or lang) .. Superscript( suffix, scheme.superscript, nosup, period)
elseif rules == 'gendered-suffix-one' then
local suffix
if value == 1 then
suffix = scheme['suffix_1_'..gender] or scheme['suffix_1'] or scheme.suffix or ''
else
suffix = scheme['suffix_'..gender] or scheme.suffix or ''
end
output = FormatNum(value, scheme.formatlang or lang) .. Superscript( suffix, scheme.superscript, nosup, period)
elseif rules == 'gendered-suffix-n' then
local suffix
if value <= 9 then
suffix = scheme['suffix_'..value..'_'..gender] or scheme['suffix_'..value] or scheme['suffix_'..gender] or scheme.suffix or ''
else
suffix = scheme['suffix_'..gender] or scheme.suffix or ''
end
output = FormatNum(value, scheme.formatlang or lang) .. Superscript( suffix, scheme.superscript, nosup, period)
elseif rules == 'suffix-one' then
local prefix, suffix
if value == 1 then
prefix = scheme['prefix_1'] or scheme.prefix or ''
suffix = scheme['suffix_1'] or scheme.suffix or ''
else
prefix = scheme.prefix or ''
suffix = scheme.suffix or ''
end
output = prefix .. FormatNum(value, scheme.formatlang or lang) .. Superscript( suffix, scheme.superscript, nosup, period)
elseif rules == 'mod10-gendered-suffix-skip-tens' then
local suffix
local mod100 = math.floor(math.abs(value)) % 100
if (mod100 >= 10) and (mod100 <= 19) then
suffix = scheme['suffix_'..gender] or scheme.suffix or ''
else
local mod10 = math.floor(math.abs(value)) % 10
suffix = scheme['suffix_'..mod10..'_'..gender] or scheme['suffix_'..mod10] or scheme['suffix_'..gender] or scheme.suffix or ''
end
output = FormatNum(value, scheme.formatlang or lang) .. Superscript( suffix, scheme.superscript, nosup, period)
elseif rules == 'uk-rules' then
local suffix
local mod100 = math.floor(math.abs(value)) % 100
local mod1000 = math.floor(math.abs(value)) % 1000
if (mod1000 == 0) then
suffix = scheme['suffix_1000_'..gender] or scheme.suffix or ''
elseif (mod100 == 40) then
suffix = scheme['suffix_40_'..gender] or scheme.suffix or ''
elseif (mod100 >= 10) and (mod100 <= 19) then
suffix = scheme['suffix_'..gender] or scheme.suffix or ''
else
local mod10 = math.floor(math.abs(value)) % 10
suffix = scheme['suffix_'..mod10..'_'..gender] or scheme['suffix_'..mod10] or scheme['suffix_'..gender] or scheme.suffix or ''
end
output = FormatNum(value, scheme.formatlang or lang) .. Superscript( suffix, scheme.superscript, nosup, period)
else
output = FormatNum(value, lang)
end

return output
end

-- =======================================
-- === Public Functions ==================
-- =======================================

local p = {}
--[[
Ordinal

This function converts an integer value into a numeral followed by ordinal indicator. The output string might
contain HTML tags unless you set nosup=y.

Usage:
{{#invoke:Ordinal|Ordinal|1=|lang=|style=|gender=|nosup=|debug=}}
{{#invoke:Ordinal|Ordinal}} - uses the caller's parameters

Parameters
1: Positive integer number.
lang: language
style: Presentation style. Different options for different languages. In English there is "style=d" adding -d suffixes to all numbers.
gender: Gender is used in French and Polish language versions. Genders: m for male, f for female and n for neuter.
nosup: Set nosup=y to display the ordinals without superscript.
debug: Set debug=y to output error messages.

Error Handling:
Unless debug=y, any error results in parameter 1 being echoed to the output. This reproduces the behavior of the original Ordinal template.
]]
function p.Ordinal( frame )
-- if no argument provided than check parent template/module args
local args = frame.args
if args[1]==nil then
args = frame:getParent().args
end

-- if we don't have a specified language, attempt to use the user's language
local lang = args.lang
if not lang or lang == '' or not mw.language.isValidCode( lang ) then
lang = frame:preprocess('{{int:lang}}')
end

local nosup = yesno(args["nosup"] or '', false) -- nosup can be true or false
local debugging = yesno(args["debug"], false) -- debugging can be nil, true, or false

-- also enable debugging if debug is unspecified, and "nosup" is false
debugging = debugging or ((debugging == nil) and not nosup)

local output = p._Ordinal(
args[1], -- positive integer number
lang, -- language
args["style"], -- allows to set presentation style
args["gender"], -- allows to specify gender (m, f, or n)
nosup, -- set nosup to "y" to suppress superscripts
debugging -- Set debug=y to output error messages
)

-- Add maintenance category
if (i18n.SchemeFromLang[lang] == nil) and debugging then
output = output_cat(output, 'Pages with calls to Module Ordinal using an unsupported language')
end

return output
end

--[[
This function will add the appropriate ordinal suffix to a given integer.

Parameters
input: Numeral as a positive integer or string.
lang: Language code as a string (e.g. 'en', 'de', etc.).
style: Presentation style as a string (e.g. 'd', 'roman', etc.).
gender: Gender as a string ('m', 'f', 'n'). Use empty string '' to leave gender unspecified.
nosup: Boolean, set to true to force the ordinals to display without superscript.
debug: Boolean, set to true to output error messages.

Error Handling:
Unless debug is true, any error results in value being echoed to the output.
]]
function p._Ordinal( input, lang, style, gender, nosup, debugging )
local output = input

if input then
local value = tonumber(input)
if value and (value > 0) then

-- Normalize style, the style 'roman year' is an alias for 'roman'
style = string.lower(style or '')
if style == 'roman year' then
style = 'roman'
end

-- Normalize gender parameter
gender = string.lower(gender or '')
if (gender ~= 'm') and (gender ~= 'f') and (gender ~= 'n') then
gender = ''
end

-- if no language is specified, default to english (caller might want to get user's language)
if not lang or lang == '' then
lang = 'en';
end

output = OrdinalCore( value, lang, style, gender, nosup )
else
if debugging then
output = output_error( "not a number", input )
end
end
else
if debugging then
output = output_error( "not a number", '' )
end
end

return output
end

return p

Module:Ordinal-cd - Revision history

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