މޮޑިއުލް:Disambiguation

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This module detects if a given page is a disambiguation page.

Usage

{{#invoke:Disambiguation|isDisambiguationPage|Page title}}

returns yes if the page is a disambiguation page, or nothing if the page is not a disambiguation page

Examples:

• {{#invoke:Disambiguation|isDisambiguationPage|Paris}} →
• {{#invoke:Disambiguation|isDisambiguationPage|New}} →
• {{#invoke:Disambiguation|isDisambiguationPage|Black swan (disambiguation)}} → yes

You can also use magic words like

{{SUBJECTPAGENAME}}:

• {{#invoke:Disambiguation|isDisambiguationPage|{{SUBJECTPAGENAME}}}} → yes

Usage within Lua modules

Import this module, e.g with

local mDisambiguation = require('Module:Disambiguation')

Then you can use the functions isDisambiguation and _isDisambiguationPage.

If you have already have a Title object for the page to check, get the content using the title object's getContent() method, and pass that into isDisambiguation:

local isDab = mDisambiguation.isDisambiguation(content) -- returns true or false

(where content is a string, the wikitext content of page to check)

If you don't otherwise need the title, you can pass in the page name to _isDisambiguationPage:

local isDab = mDisambiguation._isDisambiguationPage(pageName) -- returns true or false

(where pageName is a string, the name of page to check)

Internal operations

• Although set index articles are treated by some templates as disambiguation pages, they are actually considered a special type of list and are not treated as disambiguation pages by this module
• As this module relies on detecting templates with names like "disambiguation" in the article text, it is subject to false positives by templates such as

{{italic disambiguation}}. These templates should be added to the falsePositives list in the code to exclude them.

• The list of disambiguation templates is maintained at Module:Disambiguation/templates.

local p = {}
local mRedirect = require('Module:Redirect')
local disambiguationTemplates = mw.loadData('Module:Disambiguation/templates')

local function capitalize(s)
	-- This function only works on ASCII strings. If your wiki has
	-- disambiguation templates that use Unicode strings, use the commented-out
	-- line instead. Enwiki uses ASCII string manipulation only here to improve
	-- performance.
	return s:sub(1, 1):upper() .. s:sub(2, -1)
	-- return mw.ustring.upper(mw.ustring.sub(1, 1)) .. mw.ustring.sub(2, -1)
end

local function isDisambiguationTemplate(template)
	return disambiguationTemplates[capitalize(template)] or false
end

p.isDisambiguation = function(content)
	-- false if there is no content
	if content == nil then
		return false
	end

	-- redirects are not disambiguation pages
	if mRedirect.getTargetFromText(content) ~= nil then
		return false
	end

	-- check for disambiguation templates in the content
	local templateNames = {}
	for template in string.gmatch(content, "{{%s*([^|}]-)%s*[|}]") do
		if isDisambiguationTemplate(template) then
			return true
		end
	end

	-- check for magic word
	if string.find(content, "__DISAMBIG__", 1, true) ~= nil then
		return true
	end

	return false
end

p._isDisambiguationPage = function(page)
	-- Look "(disambiguation)" in the title
	if string.find(page, "(disambiguation)",0,true) ~= nil then
		return true;
	end
	-- Look for disamiguation template in page content
	local title = mw.title.new(page)
	if not title then return false end
	local content = title:getContent()
	return p.isDisambiguation(content)
end

-- Entry points for templates
p.isDisambiguationPage = function(frame)
	local title = frame.args[1]
	return p._isDisambiguationPage(title) and "yes" or ""
end

return p