Difference between revisions of "Module:Hatnote"

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(hopefully I don't break hatnotes with this)
(Undo revision 21914 by Pitapot (talk))
Tags: Undo Replaced
 
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-- This Module is used for making templates based in the Lua language.
--                              Module:Hatnote                                --
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-- See more details about Lua in [[w:Help:Lua]].
--                                                                            --
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-- The Fandom Developer's Wiki hosts Global Lua Modules that can be imported and locally overridden.
-- This module produces hatnote links and links to related articles. It      --
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-- The next line imports the Hatnote module from the [[w:c:dev:Global Lua Modules]].
-- implements the {{hatnote}} and {{format link}} meta-templates and includes --
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local H = require('Dev:Hatnote')
-- helper functions for other Lua hatnote modules.                           --
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-- See more details about this module at [[w:c:dev:Global_Lua_Modules/Hatnote]]
--------------------------------------------------------------------------------
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-- The last line produces the output for the template
local libraryUtil = require('libraryUtil')
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return H
local checkType = libraryUtil.checkType
 
local checkTypeForNamedArg = libraryUtil.checkTypeForNamedArg
 
local mArguments -- lazily initialise [[Module:Arguments]]
 
local yesno -- lazily initialise [[Module:Yesno]]
 
 
 
local p = {}
 
 
 
--------------------------------------------------------------------------------
 
-- Helper functions
 
--------------------------------------------------------------------------------
 
 
 
local function getArgs(frame)
 
    -- Fetches the arguments from the parent frame. Whitespace is trimmed and
 
    -- blanks are removed.
 
    mArguments = require('Module:Arguments')
 
    return mArguments.getArgs(frame, {parentOnly = true})
 
end
 
 
 
local function removeInitialColon(s)
 
    -- Removes the initial colon from a string, if present.
 
    return s:match('^:?(.*)')
 
end
 
 
 
function p.findNamespaceId(link, removeColon)
 
    -- Finds the namespace id (namespace number) of a link or a pagename. This
 
    -- function will not work if the link is enclosed in double brackets. Colons
 
    -- are trimmed from the start of the link by default. To skip colon
 
    -- trimming, set the removeColon parameter to false.
 
    checkType('findNamespaceId', 1, link, 'string')
 
    checkType('findNamespaceId', 2, removeColon, 'boolean', true)
 
    if removeColon ~= false then
 
        link = removeInitialColon(link)
 
    end
 
    local namespace = link:match('^(.-):')
 
    if namespace then
 
        local nsTable = mw.site.namespaces[namespace]
 
        if nsTable then
 
            return nsTable.id
 
        end
 
    end
 
    return 0
 
end
 
 
 
function p.formatPages(...)
 
    -- Formats a list of pages using formatLink and returns it as an array. Nil
 
    -- values are not allowed.
 
    local pages = {...}
 
    local ret = {}
 
    for i, page in ipairs(pages) do
 
        ret[i] = p._formatLink{link = page}
 
    end
 
    return ret
 
end
 
 
 
function p.formatPageTables(...)
 
    -- Takes a list of page/display tables and returns it as a list of
 
    -- formatted links. Nil values are not allowed.
 
    local pages = {...}
 
    local links = {}
 
    for i, t in ipairs(pages) do
 
        checkType('formatPageTables', i, t, 'table')
 
        local link = t[1]
 
        local display = t[2]
 
        links[i] = p._formatLink{link = link, display = display}
 
    end
 
    return links
 
end
 
 
 
function p.makeWikitextError(msg, helpLink, addTrackingCategory, title)
 
    -- Formats an error message to be returned to wikitext. If
 
    -- addTrackingCategory is not false after being returned from
 
    -- [[Module:Yesno]], and if we are not on a talk page, a tracking category
 
    -- is added.
 
    checkType('makeWikitextError', 1, msg, 'string')
 
    checkType('makeWikitextError', 2, helpLink, 'string', true)
 
    yesno = require('Module:Yesno')
 
    title = title or mw.title.getCurrentTitle()
 
    -- Make the help link text.
 
    local helpText
 
    if helpLink then
 
        helpText = ' ([[' .. helpLink .. '|help]])'
 
    else
 
        helpText = ''
 
    end
 
    -- Make the category text.
 
    local category
 
    if not title.isTalkPage -- Don't categorise talk pages
 
        and title.namespace ~= 2 -- Don't categorise userspace
 
        and yesno(addTrackingCategory) ~= false -- Allow opting out
 
    then
 
        category = 'Hatnote templates with errors'
 
        category = string.format(
 
            '[[%s:%s]]',
 
            mw.site.namespaces[14].name,
 
            category
 
        )
 
    else
 
        category = ''
 
    end
 
    return string.format(
 
        '<strong class="error">Error: %s%s.</strong>%s',
 
        msg,
 
        helpText,
 
        category
 
    )
 
end
 
 
 
function p.disambiguate(page, disambiguator)
 
    -- Formats a page title with a disambiguation parenthetical,
 
    -- i.e. "Example" → "Example (disambiguation)".
 
    checkType('disambiguate', 1, page, 'string')
 
    checkType('disambiguate', 2, disambiguator, 'string', true)
 
    disambiguator = disambiguator or 'disambiguation'
 
    return string.format('%s (%s)', page, disambiguator)
 
end
 
 
 
--------------------------------------------------------------------------------
 
-- Format link
 
--
 
-- Makes a wikilink from the given link and display values. Links are escaped
 
-- with colons if necessary, and links to sections are detected and displayed
 
-- with " § " as a separator rather than the standard MediaWiki "#". Used in
 
-- the {{format link}} template.
 
--------------------------------------------------------------------------------
 
 
 
function p.formatLink(frame)
 
    -- The formatLink export function, for use in templates.
 
    yesno = require('Module:Yesno')
 
    local args = getArgs(frame)
 
    local link = args[1]
 
    if not link then
 
        return p.makeWikitextError(
 
            'no link specified',
 
            'Template:Format link#Errors',
 
            args.category
 
        )
 
    end
 
    return p._formatLink{
 
        link = link,
 
        display = args[2],
 
        italicizePage = yesno(args.italicizepage),
 
        italicizeSection = yesno(args.italicizesection),
 
    }
 
end
 
 
 
local function italicize(s)
 
    -- Italicize a string.
 
    return '<i>' .. s .. '</i>'
 
end
 
 
 
local function maybeItalicize(s, shouldItalicize)
 
    -- italicize s if s is a string and the shouldItalicize parameter is true.
 
    if s and shouldItalicize then
 
        return italicize(s)
 
    else
 
        return s
 
    end
 
end
 
 
 
local function parseLink(link)
 
    -- Parse a link and return a table with the link's components.
 
    -- These components are:
 
    -- - link: the link, stripped of any initial colon (always present)
 
    -- - page: the page name (always present)
 
    -- - section: the page name (may be nil)
 
    -- - display: the display text, if manually entered after a pipe (may be nil)
 
    link = removeInitialColon(link)
 
 
 
    -- Find whether a faux display value has been added with the {{!}} magic
 
    -- word.
 
    local prePipe, display = link:match('^(.-)|(.*)$')
 
    link = prePipe or link
 
 
 
    -- Find the page, if it exists.
 
    -- For links like [[#Bar]], the page will be nil.
 
    local preHash, postHash = link:match('^(.-)#(.*)$')
 
    local page
 
    if not preHash then
 
        -- We have a link like [[Foo]].
 
        page = link
 
    elseif preHash ~= '' then
 
        -- We have a link like [[Foo#Bar]].
 
        page = preHash
 
    end
 
 
 
    -- Find the section, if it exists.
 
    local section
 
    if postHash and postHash ~= '' then
 
        section = postHash
 
    end
 
   
 
    return {
 
        link = link,
 
        page = page,
 
        section = section,
 
        display = display,
 
    }
 
end
 
 
 
function p._formatLink(options)
 
    -- The formatLink export function, for use in modules.
 
    checkType('_formatLink', 1, options, 'table')
 
    checkTypeForNamedArg('_formatLink', 'link', options.link, 'string', false)
 
    checkTypeForNamedArg(
 
        '_formatLink',
 
        'display',
 
        options.display,
 
        'string',
 
        true
 
    )
 
    checkTypeForNamedArg(
 
        '_formatLink',
 
        'italicizePage',
 
        options.italicizePage,
 
        'boolean',
 
        true
 
    )
 
    checkTypeForNamedArg(
 
        '_formatLink',
 
        'italicizeSection',
 
        options.italicizeSection,
 
        'boolean',
 
        true
 
    )
 
 
 
    local parsed = parseLink(options.link)
 
    local display = options.display or parsed.display
 
   
 
    -- Deal with the case where we don't have to pipe the link
 
    if not display and not parsed.section and not options.italicizePage then
 
        return string.format('[[:%s]]', parsed.link)
 
    end
 
   
 
    -- Find the display text for piped links
 
    if not display then
 
        local page = maybeItalicize(parsed.page, options.italicizePage)
 
        local section = maybeItalicize(parsed.section, options.italicizeSection)
 
        if not page then
 
            display = string.format('§&nbsp;%s', section)
 
        elseif section then
 
            display = string.format('%s §&nbsp;%s', page, section)
 
        else
 
            display = page
 
        end
 
    end
 
   
 
    return string.format('[[:%s|%s]]', parsed.link, display)
 
end
 
 
 
--------------------------------------------------------------------------------
 
-- Hatnote
 
--
 
-- Produces standard hatnote text. Implements the {{hatnote}} template.
 
--------------------------------------------------------------------------------
 
 
 
function p.hatnote(frame)
 
    local args = getArgs(frame)
 
    local s = args[1]
 
    local options = {}
 
    if not s then
 
        return p.makeWikitextError(
 
            'no text specified',
 
            'Template:Hatnote#Errors',
 
            args.category
 
        )
 
    end
 
    options.extraclasses = args.extraclasses
 
    options.selfref = args.selfref
 
    return p._hatnote(s, options)
 
end
 
 
 
function p._hatnote(s, options)
 
    checkType('_hatnote', 1, s, 'string')
 
    checkType('_hatnote', 2, options, 'table', true)
 
    options = options or {}
 
    local classes = {'hatnote', 'navigation-not-searchable'}
 
    local extraclasses = options.extraclasses
 
    local selfref = options.selfref
 
    if type(extraclasses) == 'string' then
 
        classes[#classes + 1] = extraclasses
 
    end
 
    if selfref then
 
        classes[#classes + 1] = 'selfref'
 
    end
 
    return string.format(
 
        '<div role="note" class="%s">%s</div>',
 
        table.concat(classes, ' '),
 
        s
 
    )
 
end
 
 
 
return p
 

Latest revision as of 03:24, 9 September 2020

-- This Module is used for making templates based in the Lua language. -- See more details about Lua in w:Help:Lua. -- The Fandom Developer's Wiki hosts Global Lua Modules that can be imported and locally overridden. -- The next line imports the Hatnote module from the w:c:dev:Global Lua Modules. local H = require('Dev:Hatnote') -- See more details about this module at w:c:dev:Global_Lua_Modules/Hatnote

-- The last line produces the output for the template return H