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Module:Lang/documentor tool

Permanently protected module
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< Module:Lang
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require('Module:No globals');
local p = {};

--[[-------------------------< L A N G - X X _ S E T T I N G S >-----------------------------------------------

{{#invoke:Lang/documentor tool|lang_xx_settings|template={{ROOTPAGENAME}}}}

Reads the content of the template and extracts the parameters from {{#invoke:Lang|...}} for display on the template's
documentation page.

]]

local function lang_xx_settings (frame)
	local page = mw.title.makeTitle ('Template', frame.args['template'] or frame.args[1]);	-- get a page object for this page in 'Template:' namespace
	if not page then
		return '';																-- TODO: error message?
	end
	
	local content = page:getContent();											-- get unparsed content
	if not page then
		return '';																-- TODO: error message?
	end

	local out = {};
	
	local params;
	local style;

	if content:match ('{{%s*#invoke:%s*[Ll]ang%s*|[^|]+|[^}]+}}') or content:match ('{{%s*#invoke:%s*[Ll]ang/sandbox%s*|[^|]+|[^}]+}}') then			-- if this template uses [[Module:Lang]]
		params = content:match ('{{%s*#invoke:%s*[Ll]ang%s*|[^|]+(|[^}]+)}}') or content:match ('{{%s*#invoke:%s*[Ll]ang/sandbox%s*|[^|]+(|[^}]+)}}')	-- extract the #invoke:'s parameters
		if not params then 
			return '';															-- there should be at least one or the template/module won't work TODO: error message?
		end
		table.insert (out, '{| class="wikitable" style="text-align:right; float:right"\n|+settings')	-- start a wikitable
		for k, v in params:gmatch ('%s*|%s*([^%s=]+)%s*=%s*([^%s|]+)') do		-- get the parameter names (k) and values (v)
			if 'label' == k then												-- special case for labels because spaces and pipes
				v = params:match ('label%s*=%s*(%[%[[^%]]+%]%])') or params:match ('label%s*=%s*([^|\n]+)') or 'missing label';
			end
			table.insert (out, table.concat ({k, '\n|', v}));					-- make rudimentary wikitable entries
		end

		style = content:match ('lang_xx_([^|]+)');
		return table.concat ({table.concat (out,'\n|-\n! scope="row" | '), '\n|-\n|colspan="2"|style: ', style, '\n|-\n|}'});	-- add inter-row markup and close the wikitable and done
	else
		return '';																-- does not use [[Module:Lang]] so abandon quietly
	end
end


--[[-------------------------< U S E S _ M O D U L E >---------------------------------------------------------

{{#invoke:Lang/documentor tool|uses_module|template={{ROOTPAGENAME}}}}

Reads the content of the template to determine if this {{lang-xx}} template uses Module:Lang.
Returns the index of the substring '{{#invoke|lang|' in the template page content if true; empty string if false.

Used in template documentation {{#if:}} parser functions.

]]

local function uses_module (frame)
	local page = mw.title.makeTitle ('Template', frame.args['template'] or frame.args[1]);	-- get a page object for this page in 'Template:' namespace
	if not page then
		return '';																-- TODO: error message?
	end
	
	local content = page:getContent();											-- get unparsed content
	if not page then
		return '';																-- TODO: error message?
	end
	
	return content:find ('{{%s*#invoke:[Ll]ang%s*|') or '';						-- return index or empty string
end

local language_categories = {
	["SOURCES"] = "Articles with %s-language sources (%s)",
	["CS1"] = "CS1 %s-language sources (%s)",
	["LANGUAGE_TEXT"] = "Articles containing %s-language text",
	["LANGUAGES_COLLECTIVE_TEXT"] = "Articles with text from the %s languages collective",
	["LANGUAGES_COLLECTIVE_NEW_TEXT"] = "Articles with text from %s languages"
}

local error_messages = {
	["NOT_VALID_LANGUAGE_CODE"] = "[[%s]] is not a valid ISO 639 or IETF language name.",
	["NO_CATEGORY_TITLE_FOUND"] = "No language category found for %s.",
	["INCORRECT_CATEGORY_TITLE"] = "[[:%s]] is not the category being populated by the {{%s}} template. The correct category is located at: [[:%s]]."
}

local function get_error_message(message)
	return string.format('<span style="font-size:100%%; font-style:normal;" class="error">Error: %s </span>[[Category:Lang and lang-xx template errors]]', message)
end

-- Generates a consistent style See also section for {{Category articles containing non-English-language text}} and {{Non-English-language source category}}.
-- If {{CS1 language sources}} is converted, it should also use it.
-- TODO: Currently getting the redirect cateogry Category:Articles with text from Berber languages. Need to prevent soft redirects.
local function get_see_also_section(page_title, language_name, language_code)
	local see_also_section = {}

	for _, value in pairs(language_categories) do
    	local category = mw.title.new(string.format(value, language_name, language_code), 14)
 		if category and page_title ~= category.text and category.exists then
			table.insert(see_also_section, "* [[:" .. category.prefixedText .. "]]")
		end
	end
	
	table.sort(see_also_section)
	table.insert(see_also_section, 1, '\n\n==See also==')
	
	if table.getn(see_also_section) == 1 then
		return ""
	else
		return table.concat(see_also_section, "\n")
	end
end

-- Generates a consistent top maintenance template section.
local function get_top_section(frame)
	local top_section = {}
	table.insert(top_section, frame:expandTemplate{title = 'Hidden category'})
	if mw.site.stats.pagesInCategory(mw.title.getCurrentTitle().text, "all") == 0 then
		table.insert(top_section, frame:expandTemplate{title = 'Possibly empty category'})
	else
		table.insert(top_section, frame:expandTemplate{title = 'Possibly empty category', args = {hidden=true}})
	end

	local purge_module = require('Module:Purge')
	table.insert(top_section, '<div style="font-size:x-small;">' .. purge_module._main({"Purge page cache"}) .. '</div>')
	
	return table.concat(top_section, "\n\n")
end

-- Generates a consistent non-text section.
local function get_bottom_section(frame, language_name, see_also_section, parent_category)
	local bottom_section = {}
	table.insert(bottom_section, frame:expandTemplate{title = 'CatAutoTOC'})
	table.insert(bottom_section, see_also_section)
	table.insert(bottom_section, frame:preprocess{text = "{{DEFAULTSORT:" .. language_name .. "}}"})
	if mw.title.getCurrentTitle().nsText == "Category" then
		table.insert(bottom_section, parent_category)
	end

	return table.concat(bottom_section, "\n\n\n")
end

--[[--------------------------< N O N _ E N _ S R C _ C A T >--------------------------------------------------

{{#invoke:Lang/documentor tool|non_en_src_cat|}}

This function implements {{Non-English-language source category}}.

]]

local language_source_category_text = {
	["LINE1"] = "This is a tracking category for articles that use %s to identify %s sources.",
	["LANGUAGE_COLLECTIVE"] = "[[%s]]-collective",
	["LANGUAGE_NON_COLLECTIVE"] = '[[%s language|%s]]-language'
}

local function non_en_src_cat(frame)
	local page_title_object = mw.title.getCurrentTitle()
	local page_title = page_title_object.text
	local language_code = page_title:match('%(([%a%-]+)%)')
	local language_name = require('Module:Lang')._name_from_tag({language_code})
	local layout = {}
	local see_also_section = ""
	local current_category_title = page_title_object.prefixedText
	local correct_language_category_title = require('Module:In lang')._in_lang({language_code, ["list-cats"]="yes"})
	if correct_language_category_title == "" then
		table.insert(layout, get_error_message(string.format(error_messages["NO_CATEGORY_TITLE_FOUND"], language_code)))
	elseif correct_language_category_title ~= current_category_title then
		table.insert(layout, get_error_message(string.format(error_messages["INCORRECT_CATEGORY_TITLE"], current_category_title, "In lang", correct_language_category_title)))
	else
		local language_link
		-- Is a language collective?
		if language_name:find('languages') then
			language_link = string.format(language_source_category_text["LANGUAGE_COLLECTIVE"], language_name)
		else
			language_link = string.format(language_source_category_text["LANGUAGE_NON_COLLECTIVE"], language_name, language_name)
		end
	
		local text = string.format(language_source_category_text["LINE1"], frame:expandTemplate{title = 'Tlx', args = {"In lang", language_code}}, language_link)
	
		table.insert(layout, get_top_section(frame))	
		table.insert(layout, text)
		see_also_section = get_see_also_section(page_title, language_name, language_code)
	end

	local bottom = get_bottom_section(frame, language_name, see_also_section, "[[Category:Articles with non-English-language sources]]")
	return table.concat(layout, "\n\n") .. bottom
end

--[[--------------------------< A R T I C L E S _ C O N T A I N I N G . . . >----------------------------------

{{#invoke:Lang/documentor tool|articles_containing_category_text|}}

This function implements {{Category articles containing non-English-language text}}.

]]

local articles_containing_category_text = {
	["LINE1"] = "This category contains articles with [[%s language|%s-language]]%s text. The primary purpose of these categories is to facilitate manual or automated checking of text in other languages.",
	["LINE2"] = "This category should only be added with the %s family of templates, never explicitly.",
	["LINE3"] = 'For example %s, which wraps the text with <code>&lt;span lang="%s"&gt;</code>.%s',
	["LINE3_EXTRA"] = " Also available is %s which displays as %s.",
	["IN_SCRIPT"] = " (in %s)",
	["EXAMPLE_DEFAULT_TEXT"] = "text in %s language here"
}

local function articles_containing_language_text_category(frame)
	local args = require('Module:Arguments').getArgs(frame)
	local page_title = mw.title.getCurrentTitle().text

	-- Naming style: Articles with text from the Berber languages collective
	local page_title_modified = page_title
	local split_title = "([^,]+)%%s([^,]+)"
	local part1 = ""
	local part2 = ""
	local suffix
	if string.find(page_title_modified, "languages collective") then		-- this form may or may not be replaced with the form in the elseif
		-- Wikipedia:Categories_for_discussion/Log/2020_August_18#Category:Articles_with_text_from_the_Afro-Asiatic_languages_collective
		-- Naming style: Category:Articles with text from the Afro-Asiatic languages collective
		part1, part2 = language_categories["LANGUAGES_COLLECTIVE_TEXT"]:match(split_title)
		suffix = " languages"
	elseif page_title_modified:find ('Articles with text from ') then
		-- Naming style: Category:Articles with text from Afro-Asiatic languages (as currently implemented in Module:lang)
		part1, part2 = language_categories["LANGUAGES_COLLECTIVE_NEW_TEXT"]:match(split_title)
		suffix = " languages"
	else
		-- Naming style: Category:Articles containing French-language text
		part1, part2 = language_categories["LANGUAGE_TEXT"]:match(split_title)
	end

	page_title_modified = page_title_modified:gsub(part1, "")
	page_title_modified = page_title_modified:gsub(part2, "")
	local language_name = page_title_modified
	
	local full_language_tag_name = language_name
	if suffix then
		full_language_tag_name = language_name .. suffix
	end

	local lang_module = require('Module:Lang')
	local language_code = lang_module._tag_from_name({full_language_tag_name})

	local layout = {}
	local see_also_section = ""
	-- Check if error message
	if language_code:find('error') then
		table.insert(layout, get_error_message(string.format(error_messages["NOT_VALID_LANGUAGE_CODE"], language_name)))
	else
		local correct_language_category_title = lang_module._category_from_tag({language_code})
		if correct_language_category_title:find('error') then
			table.insert(layout, get_error_message(string.format(error_messages["NO_CATEGORY_TITLE_FOUND"], language_code)))
		else
			local current_category_title = mw.title.getCurrentTitle().prefixedText
			if current_category_title ~= correct_language_category_title then
				table.insert(layout, get_error_message(string.format(error_messages["INCORRECT_CATEGORY_TITLE"], current_category_title, "Lang", correct_language_category_title)))
			else
				table.insert(layout, get_top_section(frame))
				local script = args.script
				local script_text
				if script then
					script_text = string.format(articles_containing_category_text["IN_SCRIPT"], script)
				else
					script_text = ""
				end
				local example_default_text = string.format(articles_containing_category_text["EXAMPLE_DEFAULT_TEXT"], language_name)
				local example_text = args.example or example_default_text

				table.insert(layout, string.format(articles_containing_category_text["LINE1"], language_name, language_name, script_text))
				local lang_template = frame:expandTemplate{title = 'Tl', args = {"Lang"}}
				table.insert(layout, string.format(articles_containing_category_text["LINE2"], lang_template))

				local language_code_link = lang_module._name_from_tag({language_code, link="yes", label=language_code})
				local lang_template_example = frame:expandTemplate{title = 'Tlx', args = {"Lang", language_code_link, example_text}}
				local lang_x = mw.title.makeTitle(10, "Lang-" .. language_code)
				local line3_extra = ""
				if lang_x.exists then
					local lang_x_template_example = frame:expandTemplate{title = 'Tlx', args = {lang_x.text, example_text}}
					local lang_x_template = frame:expandTemplate{title = lang_x.text, args = {example_text}}
					line3_extra = string.format(articles_containing_category_text["LINE3_EXTRA"], lang_x_template_example, lang_x_template)
				end
				table.insert(layout, string.format(articles_containing_category_text["LINE3"], lang_template_example, language_code, line3_extra))
				see_also_section = get_see_also_section(page_title, language_name, language_code)
			end
		end
	end
	
	local bottom = get_bottom_section(frame, language_name, see_also_section, "[[Category:Articles containing non-English-language text]]")
	return table.concat(layout, "\n\n") .. bottom
end


--[[--------------------------< E X P O R T E D   F U N C T I O N S >------------------------------------------
]]

return {
	articles_containing_language_text_category = articles_containing_language_text_category,
	lang_xx_settings = lang_xx_settings,
	uses_module = uses_module,
	non_en_src_cat = non_en_src_cat,
	}
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