Module:languages/templates

පහත දැක්වෙන උපදෙස්, Module:languages/templates/documentation හි පිහිටා ඇත. Module:languages/templates/documentation]]. ^{[සංස්කරණය]}

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This module provides access to Module:languages from templates, so that they can make use of the information stored there.

Usage

If you know a language's code (for example, "en") and you want to find out its canonical name, you can use this:

{{#invoke:languages/templates|getByCode|en|getCanonicalName}} (returns "English")

If you know a language's canonical name (for example, "English") and you want to find out its code, use this:

{{#invoke:languages/templates|getByCanonicalName|English}} (returns "en")

Both of these functions are subst:able (type {{subst:#invoke:...).

Exported functions

exists

{{#invoke:languages/templates|exists|language code}}

Check whether a language code exists and is valid. It will return "1" if the language code exists, and the empty string "" if it does not.

This is rarely needed, because a script error will result when someone uses a code that is not valid, so you do not need this just to check for errors. However, in case you need to decide different actions based on whether a certain parameter is a language code or something else, this function can be useful.

getByCode

{{#invoke:languages/templates|getByCode|language code|item to look up|index}}

Queries information about a language code.

The language code should be one of the codes that is defined in Module:languages data. If it is missing or does not exist, the result will be a script error.
The item is the name of one of the functions of a language object, such as getCanonicalName or getScripts. If no item has been provided, the result will be a script error.
The index is optional, and is used for items that are lists, such as getOtherNames or getScripts. It selects which item in the list to return. On items that are single strings, like getFamily, it has no effect. If an index is given that is higher than the number of items in the list, the result will be an empty string.

For example, to request the canonical name of the language whose code is en:

{{#invoke:languages/templates|getByCode|en|getCanonicalName}}

Result: ඉංග්‍රීසි

To request its second name, if any:

{{#invoke:languages/templates|getByCode|en|getOtherNames|1}}

Result: Modern English

To request its family:

{{#invoke:languages/templates|getByCode|en|getFamily}}

Result: gmw-ang

getByCanonicalName

{{#invoke:languages/templates|getByCanonicalName|language name}}

Gets the language code corresponding to a canonical name.

{{#invoke:languages/templates|getByCanonicalName|English}}

↓

getCanonicalName

{{#invoke:languages/templates|getCanonicalName|language code}}

Gets the canonical name for a language code if the language code is valid, or else returns an empty string. It uses a table that converts language code to canonical name, generated by Module:languages/code to canonical name. Requires more Lua memory than getByCode (about 10 megabytes) for a single instance, but may require less memory on pages that call the function many times.

Unlike {{#invoke:languages/templates|getByCode|<language_code>|getCanonicalName}}, this function does does not yield a script error for an invalid language code.

{{#invoke:languages/templates|getCanonicalName|en}}

{{#invoke:languages/templates|getCanonicalName|invalid code}}

↓

ඉංග්‍රීසි

local concat = table.concat
local insert = table.insert
local sort = table.sort

local export = {}

function export.exists(frame)
	return require("Module:languages").getByCode(
		require("Module:parameters").process(frame.args, {
			[1] = {required = true}
		})[1]
	) and "1" or ""
end

do
	local function getByCode(frame, allow_etym)
		local plain = {}
		local args = require("Module:parameters").process(frame.args, {
			[1] = {required = true, type = allow_etym and "language" or "full language"},
			[2] = {required = true},
			[3] = plain,
			[4] = {type = "script"},
			[5] = plain,
		})
		return require("Module:language-like").templateGetByCode(args,
			function(itemname)
				local list
				if itemname == "getWikimediaLanguages" then
					list = args[1]:getWikimediaLanguages()
				elseif itemname == "getScripts" then
					list = args[1]:getScriptCodes()
				elseif itemname == "getAncestors" then
					list = args[1]:getAncestors()
				end
				if list then
					local retval = list[tonumber(args[3]) or error("Please specify the numeric index of the desired item.")]
					if retval then
						if type(retval) == "string" then
							return retval
						else
							return retval:getCode()
						end
					else
						return ""
					end
				end
				if itemname == "transliterate" then
					return (args[1]:transliterate(args[3], args[4], args[5])) or ""
				elseif itemname == "makeDisplayText" then
					return (args[1]:makeDisplayText(args[3], args[4])) or ""
				elseif itemname == "makeEntryName" then
					return (args[1]:makeEntryName(args[3], args[4])) or ""
				elseif itemname == "makeSortKey" then
					return (args[1]:makeSortKey(args[3], args[4])) or ""
				elseif itemname == "countCharacters" then
					return args[4]:countCharacters(args[3] or "")
				elseif itemname == "findBestScript" then
					return args[1]:findBestScript(args[3] or ""):getCode()
				end
			end
		)
	end
	
	-- Used by the following JS:
	-- * [[WT:ACCEL]]
	-- * [[WT:EDIT]]
	-- * [[WT:NEC]]
	function export.getByCode(frame)
		return getByCode(frame, false)
	end
	
	function export.getByCodeAllowEtym(frame)
		return getByCode(frame, true)
	end
end

function export.getByCanonicalName(frame)
	local lang = require("Module:languages").getByCanonicalName(
		require("Module:parameters").process(frame.args, {
			[1] = {required = true}
		})[1],
		nil,
		true
	)
	return lang and lang:getCode() or ""
end

function export.getCanonicalName(frame)
	local args = require("Module:parameters").process(
		require("Module:yesno")(frame.args.parent) and frame:getParent().args or frame.args,
		{
			[1] = {required = true},
			["return_if_invalid"] = {type = "boolean"},
		}
	)
	local lang = require("Module:languages").getByCode(args[1], nil, true)
	return lang and lang:getCanonicalName() or not args.return_if_invalid and "" or args[1]
end

function export.getFull(frame)
	local args = require("Module:parameters").process(
		require("Module:yesno")(frame.args.parent) and frame:getParent().args or frame.args,
		{
			[1] = {required = true, type = "language"},
		}
	)
	return args[1]:getFullCode()
end

function export.getChildren(frame)
	local args = require("Module:parameters").process(
		require("Module:yesno")(frame.args.parent) and frame:getParent().args or frame.args,
		{
			[1] = {required = true, type = "language"},
		}
	)
	local children = args[1]:getChildren()
	
	sort(children, function(a, b)
		return a:getCanonicalName() < b:getCanonicalName()
	end)
	
	local list = {}
	for _, child in ipairs(children) do
		insert(list, "* " .. child:makeWikipediaLink() .. ": " .. "<code>" .. child:getCode() .. "</code>")
	end
	
	return concat(list, "\n")
end

return export