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Modul:ca-headword

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This module is used for Catalan headword-line templates.

The module is always invoked the same way, by passing a single parameter to the "show" function. This parameter is the name of the part of speech, but in plural (examples given are for nouns, and for adjective forms respectively):

{{#invoke:ca-headword|show|nouns}}
{{#invoke:ca-headword|show|adjective forms}}

The template will, by default, accept the following parameters (specific parts of speech may accept or require others):

  • head= - Override the headword display, used to add links to individual words in a multi-word term.
  • cat= - Override the default category, which is the same as the provided parameter. This may sometimes be useful if you have a word that is really, say, an interjection, but you want it to show inflection as if it were an adjective. (for example, benvingut).

There is no parameter for the sort key, because this is not necessary. The sort key is automatically generated according to the normal alphabetical ordering in Catalan.


local m_com = require("Module:ca-common")

local export = {}
local pos_functions = {}

local lang = require("Module:languages").getByCode("ca")

-- The main entry point.
-- This is the only function that can be invoked from a template.
function export.show(frame)
	PAGENAME = mw.title.getCurrentTitle().text
	
	local poscat = frame.args[1] or error("Part of speech has not been specified. Please pass parameter 1 to the module invocation.")
	
	local params = {
		["head"] = {list = true, default = ""},
		["suff"] = {type = "boolean"},
	}
	
	if pos_functions[poscat] then
		for key, val in pairs(pos_functions[poscat].params) do
			params[key] = val
		end
	end
	
	local args = require("Module:parameters").process(frame:getParent().args, params)
	local data = {heads = args["head"], genders = {}, inflections = {}, categories = {}}
	
	if args["suff"] then
		table.insert(data.categories, lang:getCanonicalName() .. " suffixes")
		
		if poscat == "adjectives" then
			table.insert(data.categories, lang:getCanonicalName() .. " adjective-forming suffixes")
		elseif poscat == "adverbs" then
			table.insert(data.categories, lang:getCanonicalName() .. " adverb-forming suffixes")
		elseif poscat == "nouns" then
			table.insert(data.categories, lang:getCanonicalName() .. " noun-forming suffixes")
		elseif poscat == "verbs" then
			table.insert(data.categories, lang:getCanonicalName() .. " verb-forming suffixes")
		else
			error("No category exists for suffixes forming " .. poscat .. ".")
		end
	else
		table.insert(data.categories, lang:getCanonicalName() .. " " .. poscat)
	end
	
	if pos_functions[poscat] then
		pos_functions[poscat].func(args, data)
	end
	
	return require("Module:headword").full_headword(lang, nil, data.heads, nil, data.genders, data.inflections, data.categories, nil)
end

-- Display additional inflection information for an adjective
pos_functions["adjectives"] = {
	params = {
		[1] = {},
		["pl"] = {},
		["pl2"] = {},
		},
	func = function(args, data)
		local feminine = args[1]
		local masculine_plural
		local masculine_plural2
		local feminine_plural
		
		-- Invariable adjectives
		if feminine == "inv" then
			table.insert(data.categories, "Catalan invariable adjectives")
			table.insert(data.genders, "m")
			table.insert(data.genders, "f")
			table.insert(data.inflections, {label = "invariable"})
		else
			-- Adjectives with identical forms in the masculine and feminine singular
			if feminine == "mf" then
				feminine = PAGENAME
				table.insert(data.categories, "Catalan epicene adjectives")
				
				-- Adjectives ending in -ç or -x behave as mf-type in the singular, but
				-- regular type in the plural.
				if PAGENAME:find("[çx]$") then
					masculine_plural = make_plural(PAGENAME, "m")
					feminine_plural = make_plural(PAGENAME .. "a", "f")
				else
					masculine_plural = make_plural(PAGENAME, "m")
					feminine_plural = masculine_plural
				end
				
				-- Has anyone provided forms to override the defaults?
				masculine_plural = args["pl"] or masculine_plural
				feminine_plural = args["pl"] or feminine_plural
				masculine_plural2 = args["pl2"] or masculine_plural2
			-- Adjectives with distinct masculine and feminine singular forms
			-- (the majority)
			else
				feminine = feminine or make_feminine(PAGENAME)
				feminine_plural = make_plural(feminine, "f")
				
				-- If the feminine ends in -ssa, assume that the -ss- is also in the
				-- masculine plural form
				if feminine:find("ssa$") then
					masculine_plural = feminine:gsub("a$", "os")
				elseif feminine == PAGENAME .. "na" then
					masculine_plural = PAGENAME .. "ns"
				-- Adjectives in -ig have two masculine plural forms, one derived from
				-- the m.sg. and the other derived from the f.sg.
				elseif PAGENAME:find("ig$") then
					masculine_plural = PAGENAME .. "s"
					masculine_plural2 = feminine:gsub("ja$", "jos")
				else
					masculine_plural, masculine_plural2 = make_plural(PAGENAME, "m")
				end
				
				-- Has anyone provided forms to override the defaults?
				masculine_plural = args["pl"] or masculine_plural
				masculine_plural2 = args["pl2"] or masculine_plural2
			end
			
			-- Display the forms.
			-- If masculine and feminine are identical, show m,f as the gender and
			-- leave out the feminine.
			if feminine == PAGENAME then
				table.insert(data.genders, "m")
				table.insert(data.genders, "f")
			else
				table.insert(data.genders, "m")
				table.insert(data.inflections, {label = "feminine", accel = "feminine-singular-form-of", feminine})
			end
			
			-- If the plurals are identical, show only one form as well.
			if masculine_plural == feminine_plural then
				local infl_parts = {label = "masculine and feminine plural", accel = "plural-form-of"}
				table.insert(infl_parts, masculine_plural)
				
				if masculine_plural2 then
					table.insert(infl_parts, masculine_plural2)
				end
				
				table.insert(data.inflections, infl_parts)
			else
				local infl_parts = {label = "masculine plural", accel = "masculine-plural-form-of"}
				table.insert(infl_parts, masculine_plural)
				
				if masculine_plural2 then
					table.insert(infl_parts, masculine_plural2)
				end
				
				table.insert(data.inflections, infl_parts)
				table.insert(data.inflections, {label = "feminine plural", accel = "feminine-plural-form-of", feminine_plural})
			end
			
			-- Check for missing forms
			if feminine and not mw.title.new(feminine).exists then
				table.insert(data.categories, "Catalan adjectives with missing forms")
			elseif masculine_plural and not mw.title.new(masculine_plural).exists then
				table.insert(data.categories, "Catalan adjectives with missing forms")
			elseif masculine_plural2 and not mw.title.new(masculine_plural2).exists then
				table.insert(data.categories, "Catalan adjectives with missing forms")
			elseif feminine_plural and not mw.title.new(feminine_plural).exists then
				table.insert(data.categories, "Catalan adjectives with missing forms")
			end
		end
	end
}

pos_functions["determiners"] = pos_functions["adjectives"]
pos_functions["pronouns"] = pos_functions["adjectives"]

-- Display information for a noun's gender
-- This is separate so that it can also be used for proper nouns
function noun_gender(args, data)
	local gender = args[1]
	
	if gender == "m-p" or gender == "f-p" then
		table.insert(data.categories, "Catalan pluralia tantum")
	end
	
	if gender == "mf" then
		table.insert(data.genders, "m")
		table.insert(data.genders, "f")
	else
		table.insert(data.genders, gender)
	end
	
	if #data.genders == 0 then
		table.insert(data.genders, "?")
	end
	
	-- Is this a noun with an unexpected ending (for its gender)?
	-- Only check if the term is one word (there are no spaces in the term).
	if not PAGENAME:find(" ") then
		if PAGENAME:find("a$") and (gender[1] == "m") then
			table.insert(data.categories, "Catalan masculine nouns ending in -a")
		elseif not (PAGENAME:find("a$") or PAGENAME:find("ió$") or PAGENAME:find("tat$") or PAGENAME:find("tud$") or PAGENAME:find("[dt]riu$")) and data.genders[1] == "f" then
			table.insert(data.categories, "Catalan feminine nouns with no feminine ending")
		end
	end
end

pos_functions["proper nouns"] = {
	params = {
		[1] = {},
		},
	func = function(args, data)
		noun_gender(args, data)
	end
}

-- Display additional inflection information for a noun
pos_functions["İsim"] = {
	params = {
		[1] = {},
		[2] = {},
		["pl2"] = {},
		["f"] = {},
		["m"] = {},
		},
	func = function(args, data)
		noun_gender(args, data)
		
		-- Plural
		if data.genders[1] == "m-p" or data.genders[1] == "f-p" then
			table.insert(data.inflections, {label = "[[Appendix:Glossary#plurale tantum|plurale tantum]]"})
		else
			local plural = args[2]
			
			if plural == "-" then
				table.insert(data.inflections, {label = "[[Appendix:Glossary#uncountable|uncountable]]"})
				table.insert(data.categories, "Katalan dilində sayılmayan isimlər")
			else
				local infl_parts = {label = "cəm halı", accel = "plural-form-of"}
				local plural2 = args["pl2"]
				
				if not plural then
					local p, p2 = make_plural(PAGENAME, data.genders[1])
					plural = p
					plural2 = plural2 or p2
				end
				
				table.insert(infl_parts, plural)
				
				if plural2 then
					table.insert(infl_parts, plural2)
					if not mw.title.new(plural2).exists then
						table.insert(data.categories, "Katalan dilində cəm halı olmayan isimlər")
					end
				end
				if plural and not mw.title.new(plural).exists then
					table.insert(data.categories, "Katalan dilində cəm halı olmayan isimlər")
				end
				table.insert(data.inflections, infl_parts)
			end
		end
		
		-- Gendered forms
		local feminine = args["f"]
		local masculine = args["m"]
		
		if feminine then
			table.insert(data.inflections, {label = "feminine", feminine})
		end
		
		if masculine then
			table.insert(data.inflections, {label = "masculine", masculine})
		end
	end
}

-- Display additional inflection information for a verb
pos_functions["verbs"] = {
	params = {
		["pres_1_sg"] = {},
		["past_part"] = {},
		},
	func = function(args, data)
		-- Does this verb end in a recognised verb ending (possibly reflexive)?
		if not PAGENAME:find(" ") and (PAGENAME:find("re?$") or PAGENAME:find("r%-se$") or PAGENAME:find("re's$")) then
			local base = PAGENAME:gsub("r%-se$", "r"):gsub("re's$", "re")
			local pres_1_sg
			local past_part
			
			-- Generate inflected forms.
			-- The 2nd conjugation is generally irregular
			-- so generate nothing for that, explicit parameters are required.
			
			-- 1st conjugation
			if base:find("ar$") then
				local stem = base:gsub("ar$", "")
				pres_1_sg = stem .. "o"
				past_part = stem .. "at"
			-- 3rd conjugation (except -tenir/-venir)
			elseif base:find("ir$") and not base:find("[tv]enir$") then
				local stem = base:gsub("ir$", "")
				pres_1_sg = stem .. "eixo"
				
				if stem:find("[aeiou]$") and not stem:find("[gq]u$") then
					past_part = stem .. "ït"
				else
					past_part = stem .. "it"
				end
			end
			
			-- Overridden forms
			pres_1_sg = {label = "first-person singular present", request = true, args["pres_1_sg"] or pres_1_sg}
			past_part = {label = "past participle", request = true, args["past_part"] or past_part}
			
			table.insert(data.inflections, pres_1_sg)
			table.insert(data.inflections, past_part)
		end
	end
}

-- Display additional inflection information for a numeral
pos_functions["numerals"] = {
	params = {
		[1] = {},
		[2] = {},
		},
	func = function(args, data)
		local feminine = args[1]
		local noun_form = args[2]
		
		if feminine then
			table.insert(data.genders, "m")
			table.insert(data.inflections, {label = "feminine", feminine})
			
			if noun_form then
				table.insert(data.inflections, {label = "noun form", noun_form})
			end
		else
			table.insert(data.genders, "m")
			table.insert(data.genders, "f")
		end
	end
}

function make_feminine(base)
	-- final vowel -> -a
	if base:find("a$") then return base end
	if base:find("o$") then return (base:gsub("o$", "a")) end	
	if base:find("e$") then return m_com.front_to_back(base:gsub("e$", "")) .. "a" end
	
	-- -u -> -va
	if base:find("[aeiou]u$") then return (base:gsub("u$", "v") .. "a") end
	
	-- accented vowel -> -na
	if mw.ustring.find(base, "[àèéíòóú]$") then return m_com.remove_accents(base) .. "na" end
	
	-- accented vowel + -s -> -sa
	if mw.ustring.find(base, "[àèéíòóú]s$") then return m_com.remove_accents(base) .. "a" end
	
	return base .. "a"
end

function make_plural(base, gender)
	-- a -> es
	if base:find("a$") then return m_com.back_to_front(base:gsub("a$", "")) .. "es", nil end
	
	-- accented vowel -> -ns
	if mw.ustring.find(base, "[àèéíòóú]$") then
		return m_com.remove_accents(base) .. "ns", nil
	end
	
	if gender == "m" then
		if mw.ustring.find(base, "[àèéíòóú]s$") then
			return m_com.remove_accents(base) .. "os", nil
		end
		
		if base:find("s$") or base:find("ç$") or base:find("x$") or base:find("z$") then
			return base .. "os", nil
		end
		
		if base:find("sc$") or base:find("st$") or base:find("xt$") then
			return base .. "s", base .. "os"
		end
	end
	
	if gender == "f" then
		if base:find("s$") then return base end
		if base:find("sc$") or base:find("st$") or base:find("xt$") then return base .. "s", base .. "es" end
	end
	
	return base .. "s", nil
end

return export