Wikiszótár

Modul:utilities

This module exports various general utility functions, which can be used by other modules.

pattern_escape

szerkesztés

pattern_escape(text)

Escapes the magic characters used in patterns (Lua's version of regular expressions). For example, "^$()%.[]*+-?" becomes "%^%$%(%)%%%.%[%]%*%+%-%?".

format_categories

szerkesztés

format_categories(categories, lang, sort_key, sort_base, force_output)

Formats a list (table) of category names. The output is a string consisting of all categories with [[Category:...]] applied to each one, and the given sort key added. If the namespace is not the main, Appendix or Reconstruction namespaces, the output will be an empty string unless force_output is given. If no sort key is given:

  1. A default one is generated by using sort_base (if given) or the current subpage name, and by removing hyphens from the beginning (so that suffixes can be sorted without a key).
  2. If a sort key is available for the given language, it is then used to create a sort key that follows the rules for that language.
  3. If the final sort key ends up being identical to the page name (which is the default sort key used by the software), then it is omitted entirely, so that it can be used in combination with DEFAULTSORT.

template_categorize

szerkesztés

{{#invoke:utilities|template_categorize}}

This function is used by the {{categorize}}, {{catlangname}} and {{catlangcode}} templates.

catfix

szerkesztés

This function adds a "catfix", which is used on language-specific category pages to add language attributes and often script classes to all entry names. The addition of language attributes and script classes makes the entry names display better (using the language- or script-specific styles specified in MediaWiki:Common.css), which is particularly important for non-English languages that do not have consistent font support in browsers.

Language attributes are added for all languages, but script classes are only added for languages with one script listed in their data file, or for languages that have a default script listed in the catfix_script list in Module:utilities/data. Some languages clearly have a default script, but still have other scripts listed in their data file and therefore need their default script to be specified. Others do not have a default script.

  • Serbo-Croatian is regularly written in both the Latin and Cyrillic scripts. Because it uses two scripts, Serbo-Croation cannot have a script class applied to entries in its category pages, as only one script class can be specified at a time.
  • Russian is usually written in the Cyrillic script (Cyrl), but Braille (Brai) is also listed in its data file. So Russian needs an entry in the catfix_script list, so that the Cyrl (Cyrillic) script class will be applied to entries in its category pages.

To find the scripts listed for a language, go to Module:languages and use the search box to find the data file for the language. To find out what a script code means, search the script code in Module:scripts/data 

local export = {}

local data = mw.loadData("Module:utilities/data")
local notneeded = data.notneeded
local neededhassubpage = data.neededhassubpage

-- A helper function to escape magic characters in a string
-- Magic characters: ^$()%.[]*+-?
function export.pattern_escape(text)
	if type(text) == "table" then
		text = text.args[1]
	end
	text = mw.ustring.gsub(text, "([%^$()%%.%[%]*+%-?])", "%%%1")
	return text
end

function export.plain_gsub(text, pattern, replacement)
	local invoked = false
	
	if type(text) == "table" then
		invoked = true
		
		if text.args then
			local frame = text
			
			local params = {
				[1] = {},
				[2] = {},
				[3] = { allow_empty = true },
			}
			
			local args = require("Module:parameters").process(frame.args, params)
			
			text = args[1]
			pattern = args[2]
			replacement = args[3]
		else
			error("If the first argument to plain_gsub is a table, it should be a frame object.")
		end
	else
		if not ( type(pattern) == "string" or type(pattern) == "number" ) then
			error("The second argument to plain_gsub should be a string or a number.")
		end
		
		if not ( type(replacement) == "string" or type(replacement) == "number" ) then
			error("The third argument to plain_gsub should be a string or a number.")
		end
	end
	
	pattern = export.pattern_escape(pattern)
	
	if invoked then
		text = mw.ustring.gsub(text, pattern, replacement)
		return text
	else
		return mw.ustring.gsub(text, pattern, replacement)
	end
end

--[[
Format the categories with the appropriate sort key. CATEGORIES is a list of
categories.
	-- LANG is an object encapsulating a language; if nil, the object for
	   language code 'und' (undetermined) will be used.
	-- SORT_KEY is placed in the category invocation, and indicates how the
	   page will sort in the respective category. Normally this should be nil,
	   and a default sort key based on the subpage name (the part after the
	   colon) will be used.
	-- SORT_BASE lets you override the default sort key used when SORT_KEY is
	   nil. Normally, this should be nil, and a language-specific default sort
	   key is computed from the subpage name (e.g. for Russian this converts
	   Cyrillic ё to a string consisting of Cyrillic е followed by U+10FFFF,
	   so that effectively ё sorts after е instead of the default Wikimedia
	   sort, which (I think) is based on Unicode sort order and puts ё after я,
	   the last letter of the Cyrillic alphabet.
	-- FORCE_OUTPUT forces normal output in all namespaces. Normally, nothing
	   is output if the page isn't in the main, Appendix:, Reconstruction: or
	   Citations: namespaces.
]]
export.format_categories = require("Module:utilities/format_categories")

-- Used by {{categorize}}
function export.template_categorize(frame)
	local NAMESPACE = mw.title.getCurrentTitle().nsText
	local format = frame.args["format"]
	local args = frame:getParent().args
	
	local langcode = args[1]; if langcode == "" then langcode = nil end
	local sort_key = args["sort"]; if sort_key == "" then sort_key = nil end
	local categories = {}
	
	if not langcode then
		if NAMESPACE == "Sablon" then return "" end
		error("Language code has not been specified. Please pass parameter 1 to the template.")
	end
	
	local lang = require("Module:languages").getByCode(langcode)
	
	if not lang then
		if NAMESPACE == "Sablon" then return "" end
		error("The language code \"" .. langcode .. "\" is not valid.")
	end
	
	local prefix = ""
	
	if format == "pos" then
		prefix = lang:getCanonicalName() .. " "
	elseif format == "topic" then
		prefix = lang:getCode() .. ":"
	end
	
	local i = 2
	local cat = args[i]
	
	while cat do
		if cat ~= "" then
			table.insert(categories, prefix .. cat)
		end
		
		i = i + 1
		cat = args[i]
	end
	
	return export.format_categories(categories, lang, sort_key)
end

function export.catfix(lang, sc)
	if not lang then
		require("Module:debug").track("catfix/no lang")
		return nil
	elseif type(lang) ~= "table" then
		require("Module:debug").track("catfix/lang not table")
		return nil
	end
	local canonicalName = lang:getCanonicalName() or error('The first argument to the function "catfix" should be a language object from Module:languages.')
	
	if sc and not sc.getCode then
		error('The second argument to the function "catfix" should be a script object from Module:scripts.')
	end
	
	-- To add script classes to links on pages created by category boilerplate templates.
	if not sc then
		sc = data.catfix_scripts[lang:getCode()]
		if sc then
			sc = require("Module:scripts").getByCode(sc)
		end
	end
	
	return "<span id=\"catfix\" style=\"display:none;\" class=\"CATFIX-" .. mw.uri.anchorEncode(canonicalName) .. "\">" ..
		require("Module:script utilities").tag_text("&nbsp;", lang, sc, nil) ..
		"</span>"
end

function export.catfix_template(frame)
	local params = {
		[1] = {},
		[2] = { alias_of = "sc" },
		["sc"] = {},
	}
	
	local args = require("Module:parameters").process(frame:getParent().args, params)
	
	local lang = require("Module:languages").getByCode(args[1]) or require("Module:languages").err(args[1], 1)
	
	local sc = args.sc
	if sc then
		sc = require("Module:scripts").getByCode(sc) or error('The script code "' .. sc .. '", provided in the second parameter, is not valid.')
	end
	
	return export.catfix(lang, sc)
end

-- Not exporting because it is not used yet.
local function getDateTense(frame) 
	local name_num_mapping = {["January"] = 1, ["February"] = 2, ["March"] = 3, ["April"] = 4, ["May"] = 5, ["June"] = 6, 
		["July"] = 7, ["August"] = 8, ["September"] = 9, ["October"] = 10, ["November"] = 11, ["December"] = 12, 
		[1] = 1, [2] = 2, [3] = 3, [4] = 4, [5] = 5, [6] = 6, [7] = 7, [8] = 8, [9] = 9, [10] = 10, [11] = 11, [12] = 12}
	local month = name_num_mapping[frame.args[2]]
	local date = os.time({year = frame.args[1], day = frame.args[3], month = month})
	local today = os.time() -- 12 AM/PM
	local diff = os.difftime(date, today)
	local daylength = 24 * 3600
	
	if diff < -daylength / 2 then return "past"
	else 
		if diff > daylength / 2  then return "future"
		else return "present" end
	end
end

function export.make_id(lang, str)
	--[[	If called with invoke, first argument is a frame object.
			If called by a module, first argument is a language object. ]]
	local invoked = false
	
	if type(lang) == "table" then
		if lang.args then
			invoked = true
			
			local frame = lang
			
			local params = {
				[1] = {},
				[2] = {},
			}
			
			local args = require("Module:parameters").process(frame:getParent().args, params)
			
			local langCode = args[1]
			str = args[2]
			
			local m_languages = require("Module:languages")
			
			lang = m_languages.getByCode(langCode) or m_languages.err(langCode, 1)
		elseif not lang.getCanonicalName then
			error("The first argument to make_id should be a language object.")
		end
	end

	if not ( type(str) == "string" or type(str) == "number" ) then
		error("The second argument to make_id should be a string or a number.")
	end
	
	local id = require("Module:senseid").anchor(lang, str)
	
	if invoked then
		return '<li class="senseid" id="' .. id .. '">'
	else
		return id
	end
end

return export
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