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模块:PageLinks

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無編輯摘要

local ToolbarBuilder = require('Module:Toolbar')

local p = {} -- Page object
local trackingCategories = {} -- Table for storing the tracking categories.
local demo

-- Define a custom error message for this module.
local function err(msg, section)
local help
if section then
help = ' ([[Template:Page-multi#' .. section .. '|帮助]])'
else
help = ''
end
local cat
if demo == 'yes' then
cat = ''
else
cat = '[[Category:有错误的PageLinks嵌入]]'
end
return '[[Template:Page-multi|Page-multi]]出错：' .. msg
.. help .. '.' .. cat
end

----------------------------------------------------------------------------------------------
-- To add more link types, write a function that produces an individual link, and put --
-- it at the bottom of the list below. Then, add a link code for your function to the --
-- "linktypes" table. Try and make the code three letters or less.
--
-- If you want more helper strings, you can define them in the generatePageDataStrings --
-- function below. --
----------------------------------------------------------------------------------------------

----------------------------------------------------------------------------------------------
-- LINK FUNCTIONS START --
----------------------------------------------------------------------------------------------

local function makePageLink()
return p.fullText and '[[:' .. p.fullText .. '|' .. p.fullText .. ']]' or ''
end

local function makeTalkLink()
return '[[' .. tostring(p.talkPageTitle) .. '|讨论]]'
end

local function makeWhatLinksHereLink()
return '[[Special:WhatLinksHere/' .. p.fullText .. '|-{zh-hans:链接; zh-hant:連結;}-]]'
end

local function makeRelatedChangesLink()
return '[[Special:RelatedChanges/' .. p.fullText .. '|相关]]'
end

local function makeEditLink()
local url = p:fullUrl( 'action=edit' );
return '[' .. url .. ' 编辑]'
end

local function makeHistoryLink()
local url = p:fullUrl( 'action=history' );
return '[' .. url .. ' 历史]'
end

local function makeWatchLink()
local url = p:fullUrl( 'action=watch' );
return '[' .. url .. ' 监视]'
end

local function makeTargetLogsLink()
local url = mw.uri.fullUrl( 'Special:Log', 'page=' .. mw.uri.encode(p.fullText) )
return '[' .. tostring(url) .. ' 日志]'
end

local function makeEditFilterLogLink()
local url = mw.uri.fullUrl( 'Special:AbuseLog', 'wpSearchTitle=' .. mw.uri.encode(p.fullText) )
return '[' .. tostring(url) .. ' 编辑过滤器日志]'
end

local function StatsGrokSeURL(year, month, lang)
local url = 'http://stats.grok.se/' .. lang .. '/' .. year .. string.format("%0.2d",month) .. '/' .. mw.uri.encode( p.fullText )
return url
end

local function monthsago(months)
local rv = os.date("*t")
if rv.month < months + 1 then
rv.month = 12 + (rv.month - months)
rv.year = rv.year - 1
else
rv.month = rv.month - months
end

return rv
end

local function makeViewsLastMonthStatsGrokSeLink()
local when = monthsago(1)
return '[' .. StatsGrokSeURL(when.year, when.month, 'en') .. ' 统计]'
end

----------------------------------------------------------------------------------------------
-- LINK FUNCTIONS END --
-- To enable new link functions, add the code to the "linktypes" table directly below. --
----------------------------------------------------------------------------------------------

local linktypes = {
{'t' , makeTalkLink},
{'wlh' , makeWhatLinksHereLink},
{'rc' , makeRelatedChangesLink},
{'edit', makeEditLink},
{'h' , makeHistoryLink},
{'w' , makeWatchLink},
{'tl' , makeTargetLogsLink},
{'efl' , makeEditFilterLogLink},
{'vlm-sgs' , makeViewsLastMonthStatsGrokSeLink},
}

local function getLink(linktype)
local linkNumber
for i, value in ipairs(linktypes) do
if value[1] == linktype then
linkNumber = i
break
end
end
if not linkNumber then
return err('“' .. linktype .. '”不是有效的链接代码', '非有效链接代码')
end
local result = linktypes[linkNumber][2]()
if type(result) ~= 'string' then
return err(
'代码“' .. linktype .. '”的函数没有返回字符串值',
'函数未返回字符串值'
)
end
return result
end

local function makeToolbar(args)
local targs = {}
local numArgsExist = false
for k, v in pairs(args) do
if type(k) == 'number' and p then
numArgsExist = true
targs[k] = getLink(v)
end
end
targs.style = args.small and 'font-size: 90%;'
targs.separator = args.separator or 'dot'

if numArgsExist == false then
return nil -- Don't return a toolbar if no numeric arguments exist. -- this bit looks odd
else
return ToolbarBuilder.main(targs)
end
end

local function generatePageDataStrings(args)
-- If the page name is absent or blank, return an error and a tracking category.
if args.page == '' or not args.page then
return err('没有探测到页面')
end
local noError
noError, p = pcall(mw.title.new, args.page)
if not noError then
return err('pcall mw.title 失败')
end
if args.exists and (not p or p['id'] == 0) then
return err('未找到页面')
end
end

local function generateTrackingCategories()
if demo == 'yes' then
return ''
else
return table.concat(trackingCategories)
end
end

-- This function generates a table of all available link types, with their previews.
-- It is used in the module documentation.
local function getLinkTable(args)
demo = args.demo -- Set the demo variable.
-- Generate the page data strings and return any errors.
local dataStringError = generatePageDataStrings(args)
if dataStringError then
return dataStringError
end

-- Build a table of all of the links.
local result = '<table class="wikitable plainlinks sortable">'
.. '\n<tr><th>代码</th><th>预览</th></tr>'
for i, value in ipairs(linktypes) do
local code = value[1]
result = result .. "\n<tr><td>'''" .. code .. "'''</td><td>" .. getLink(code) .. '</td></tr>'
end
result = result .. '\n</table>'

return result
end

local function getSingleLink(args)
demo = args.demo -- Set the demo variable.
-- Generate the page data strings and return any errors.
local dataStringError = generatePageDataStrings(args)
if dataStringError then
return dataStringError
end

local linktype = args[1]
if not linktype then
return err('没有指定链接类型')
end
local result = getLink(linktype)
result = result .. generateTrackingCategories()
return result
end

local function getLinksToolbar(args)
demo = args.demo -- Set the demo variable.
-- Generate the page data strings and return any errors.
local dataStringError = generatePageDataStrings(args)
if dataStringError then
return dataStringError
end

-- Build the template output.
local result = makeToolbar(args) -- Get the toolbar contents.
result = (result or '') .. generateTrackingCategories()
return result
end

local function getLinks(args)
local result = getLinksToolbar(args)

if result then
if args.sup then
result = '' .. result .. ''
end
result = ' ' .. result
else
result = '' -- If there are no links specified, don't return the toolbar at all.
end
if args.nopage then
result = '' .. result .. ''
else
if p then
result = '' .. makePageLink() .. result .. ''
else
result = '[[' .. args.page .. ']]' .. result .. ''
end
end

return result
end

local function getExampleLinks(args)
-- This function enables example output without having to specify any
-- parameters to #invoke.
args.demo = 'yes'
args.page = 'Example'
return getLinks(args)
end

local function makeWrapper(func)
return function (frame)
-- If called via #invoke, use the args passed into the invoking template.
-- Otherwise, for testing purposes, assume args are being passed directly in.
local origArgs
if frame == mw.getCurrentFrame() then
origArgs = frame:getParent().args
for k, v in pairs(frame.args) do
origArgs = frame.args
break
end
else
origArgs = frame
end

-- Strip whitespace, and treat blank arguments as nil.
-- 'page', and 'separator' have different behaviour depending on
-- whether they are blank or nil, so keep them as they are.
local args = {}
for k, v in pairs(origArgs) do
v = mw.text.trim(v)
if v ~= '' or k == 'page' or k == 'separator' then
args[k] = v
end
end

return func(args)
end
end

return {
main = makeWrapper(getLinks),
single = makeWrapper(getSingleLink),
toolbar = makeWrapper(getLinksToolbar),
linktable = makeWrapper(getLinkTable),
example = makeWrapper(getExampleLinks)
}

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模块:PageLinks