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模块:Webarchive

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--[[ ----------------------------------

Lua module implementing the {{webarchive}} template.

A merger of the functionality of three templates: {{wayback}}, {{webcite}} and {{cite archives}}

]]

local p = {}

--[[--------------------------< inlineError >-----------------------

Critical error. Render output completely in red. Add to tracking category.

]]

local function inlineError(arg, msg)

track["Category:Webarchive模板错误"] = 1
return '<span style="font-size:100%" class="error citation-comment">webarchive模板错误:检查<code style="color:inherit; border:inherit; padding:inherit;">&#124;' .. arg .. '=</code>参数。' .. msg .. '</span>'

end

--[[--------------------------< inlineRed >-----------------------

Render a text fragment in red, such as a warning as part of the final output.
Add tracking category.

]]

local function inlineRed(msg, trackmsg)

if trackmsg == "warning" then
track["Category:Webarchive模板警告"] = 1
elseif trackmsg == "error" then
track["Category:Webarchive模板错误"] = 1
end

return '<span style="font-size:100%" class="error citation-comment">' .. msg .. '</span>'

end

--[[--------------------------< trimArg >-----------------------

trimArg returns nil if arg is "" while trimArg2 returns 'true' if arg is ""
trimArg2 is for args that might accept an empty value, as an on/off switch like nolink=

]]

local function trimArg(arg)
if arg == "" or arg == nil then
return nil
else
return mw.text.trim(arg)
end
end
local function trimArg2(arg)
if arg == nil then
return nil
else
return mw.text.trim(arg)
end
end

--[[--------------------------< base62 >-----------------------

Convert base-62 to base-10
Credit: https://de.wikipedia.org/wiki/Modul:Expr

]]

local function base62( value )

local r = 1

if value:match( "^%w+$" ) then
local n = #value
local k = 1
local c
r = 0
for i = n, 1, -1 do
c = value:byte( i, i )
if c >= 48 and c <= 57 then
c = c - 48
elseif c >= 65 and c <= 90 then
c = c - 55
elseif c >= 97 and c <= 122 then
c = c - 61
else -- How comes?
r = 1
break -- for i
end
r = r + c * k
k = k * 62
end -- for i
end
return r
end

--[[--------------------------< tableLength >-----------------------

Given a 1-D table, return number of elements

]]

local function tableLength(T)
local count = 0
for _ in pairs(T) do count = count + 1 end
return count
end


--[[--------------------------< dateFormat >-----------------------

Given a date string, return its format: dmy, mdy, iso, ymd
If unable to determine return nil

]]

local function dateFormat(date)

local dt = {}
dt.split = {}

dt.split = mw.text.split(date, "-")
if tableLength(dt.split) == 3 then
if tonumber(dt.split[1]) > 1900 and tonumber(dt.split[1]) < 2200 and tonumber(dt.split[2]) and tonumber(dt.split[3]) then
return "iso"
else
return nil
end
end

dt.split = mw.text.split(date, " ")
if tableLength(dt.split) == 3 then
if tonumber(dt.split[3]) then
if tonumber(dt.split[3]) > 1900 and tonumber(dt.split[3]) < 2200 then
if tonumber(dt.split[1]) then
return "dmy"
else
return "mdy"
end
else
if tonumber(dt.split[1]) then
if tonumber(dt.split[1]) > 1900 and tonumber(dt.split[1]) < 2200 then
return "ymd"
end
end
end
end
end
return nil

end

--[[--------------------------< makeDate >-----------------------

Given a zero-padded 4-digit year, 2-digit month and 2-digit day, return a full date in df format
df = mdy, dmy, iso, ymd

]]

local function makeDate(year, month, day, df)

if not year or year == "" or not month or month == "" or not day or day == "" then
return nil
end

local zmonth = month -- month with leading 0
month = month:match("0*(%d+)") -- month without leading 0
if tonumber(month) < 1 or tonumber(month) > 12 then
return year
end
local nmonth = os.date("%B", os.time{year=2000, month=month, day=1} ) -- month in name form
if not nmonth then
return year
end

local zday = day
day = zday:match("0*(%d+)")
if tonumber(day) < 1 or tonumber(day) > 31 then
if df == "mdy" or df == "dmy" then
return nmonth .. " " .. year
elseif df == "iso" then
return year .. "-" .. zmonth
elseif df == "ymd" then
return year .. " " .. nmonth
else
return nmonth .. " " .. year
end
end

if df == "mdy" then
return nmonth .. " " .. day .. ", " .. year -- September 1, 2016
elseif df == "dmy" then
return day .. " " .. nmonth .. " " .. year -- 1 September 2016
elseif df == "iso" then
return year .. "-" .. zmonth .. "-" .. zday -- 2016-09-01
elseif df == "ymd" then
return year .. " " .. nmonth .. " " .. cday -- 2016 September 1
else
return nmonth .. " " .. day .. ", " .. year -- September 1, 2016
end

end


--[[--------------------------< decodeWebciteDate >-----------------------

Given a URI-path to Webcite (eg. /67xHmVFWP) return the encoded date in df format

]]
local function decodeWebciteDate(path, df)

local dt = {}
dt.split = {}

dt.split = mw.text.split(path, "/")

-- valid URL formats that are not base62

-- http://www.webcitation.org/query?id=1138911916587475
-- http://www.webcitation.org/query?url=http..&date=2012-06-01+21:40:03
-- http://www.webcitation.org/1138911916587475
-- http://www.webcitation.org/cache/73e53dd1f16cf8c5da298418d2a6e452870cf50e
-- http://www.webcitation.org/getfile.php?fileid=1c46e791d68e89e12d0c2532cc3cf629b8bc8c8e

if mw.ustring.find( dt.split[2], "query", 1, plain) or
mw.ustring.find( dt.split[2], "cache", 1, plain) or
mw.ustring.find( dt.split[2], "getfile", 1, plain) or
tonumber(dt.split[2]) then
return "query"
end

dt.full = os.date("%Y %m %d", string.sub(string.format("%d", base62(dt.split[2])),1,10) )
dt.split = mw.text.split(dt.full, " ")
dt.year = dt.split[1]
dt.month = dt.split[2]
dt.day = dt.split[3]

if not tonumber(dt.year) or not tonumber(dt.month) or not tonumber(dt.day) then
return inlineRed("[日期錯誤] (1)", "error")
end

if tonumber(dt.month) > 12 or tonumber(dt.day) > 31 or tonumber(dt.month) < 1 then
return inlineRed("[日期錯誤] (2)", "error")
end
if tonumber(dt.year) > tonumber(os.date("%Y")) or tonumber(dt.year) < 1900 then
return inlineRed("[日期錯誤] (3)", "error")
end

fulldate = makeDate(dt.year, dt.month, dt.day, df)
if not fulldate then
return inlineRed("[日期錯誤] (4)", "error")
else
return fulldate
end

end

--[[--------------------------< snapDateToString >-----------------------

Given a URI-path to Wayback (eg. /web/20160901010101/http://example.com )
return the formatted date eg. "September 1, 2016" in df format
Handle non-digits in snapshot ID such as "re_" and "-" and "*"

]]

local function decodeWaybackDate(path, df)

local snapdate, snapdatelong, currdate, fulldate

local safe = path
snapdate = string.gsub(safe, "^/w?e?b?/?", "") -- Remove leading "/web/" or "/"
safe = snapdate
local N = mw.text.split(safe, "/")
snapdate = N[1]
if snapdate == "*" then -- eg. /web/*/http..
return "index"
end
safe = snapdate
snapdate = string.gsub(safe, "[a-z][a-z]_[0-9]?$", "") -- Remove any trailing "re_" from date
safe = snapdate
snapdate = string.gsub(safe, "[-]", "") -- Remove dashes from date eg. 2015-01-01
safe = snapdate
snapdate = string.gsub(safe, "[*]$", "") -- Remove trailing "*"

if not tonumber(snapdate) then
return inlineRed("[日期錯誤] (2)", "error")
end
local dlen = string.len(snapdate)
if dlen < 4 then
return inlineRed("[日期錯誤] (3)", "error")
end
if dlen < 14 then
snapdatelong = snapdate .. string.rep("0", 14 - dlen)
else
snapdatelong = snapdate
end
local year = string.sub(snapdatelong, 1, 4)
local month = string.sub(snapdatelong, 5, 6)
local day = string.sub(snapdatelong, 7, 8)
if not tonumber(year) or not tonumber(month) or not tonumber(day) then
return inlineRed("[日期錯誤] (4)", "error")
end
if tonumber(month) > 12 or tonumber(day) > 31 or tonumber(month) < 1 then
return inlineRed("[日期錯誤] (5)", "error")
end
currdate = os.date("%Y")
if tonumber(year) > tonumber(currdate) or tonumber(year) < 1900 then
return inlineRed("[日期錯誤] (6)", "error")
end

fulldate = makeDate(year, month, day, df)
if not fulldate then
return inlineRed("[日期錯誤] (7)", "error")
else
return fulldate
end

end


--[[--------------------------< serviceName >-----------------------

Given a domain extracted by mw.uri.new() (eg. web.archive.org) set tail string and service ID

]]

local function serviceName(frame, host, nolink)

local tracking = "Category:Webarchive模板其他存档站点"

local bracketopen = "[["
local bracketclose = "]]"
if nolink then
bracketopen = ""
bracketclose = ""
end

local service_names = {
['wayback'] = bracketopen .. "Wayback Machine|-{zh-cn:互联网档案馆; zh-tw:網際網路檔案館; zh-hk:互聯網檔案館;}-" .. bracketclose,
['webcite'] = frame:expandTemplate{ title = "Link-en", args = {"WebCite"} },
['archiveis'] = bracketopen .. "Archive.is" .. bracketclose,
['archiveit'] = bracketopen .. "Archive-It" .. bracketclose,
}

ulx.url1.service = "other"
ulx.url1.name = nil

if mw.ustring.find( host, "archive.org", 1, plain ) then
ulx.url1.service = "wayback"
elseif mw.ustring.find( host, "webcitation.org", 1, plain ) then
ulx.url1.service = "webcite"
elseif mw.ustring.find( host, "archive.is", 1, plain ) then
ulx.url1.service = "archiveis"
elseif mw.ustring.find( host, "archive.fo", 1, plain ) then
ulx.url1.service = "archiveis"
elseif mw.ustring.find( host, "archive.today", 1, plain ) then
ulx.url1.service = "archiveis"
elseif mw.ustring.find( host, "archive.il", 1, plain ) then
ulx.url1.service = "archiveis"
elseif mw.ustring.find( host, "archive.ec", 1, plain ) then
ulx.url1.service = "archiveis"
elseif mw.ustring.find( host, "archive[-]it.org", 1, plain ) then
ulx.url1.service = "archiveit"
elseif mw.ustring.find( host, "arquivo.pt", 1, plain) then
ulx.url1.name = "Portuguese Web Archive"
elseif mw.ustring.find( host, "loc.gov", 1, plain ) then
ulx.url1.name = bracketopen .. "美國國會圖書館" .. bracketclose
elseif mw.ustring.find( host, "webharvest.gov", 1, plain ) then
ulx.url1.name = bracketopen .. "國家檔案和記錄管理局" .. bracketclose
elseif mw.ustring.find( host, "bibalex.org", 1, plain ) then
ulx.url1.name = "[[Bibliotheca_Alexandrina#Internet_Archive_partnership|Bibliotheca Alexandrina]]"
elseif mw.ustring.find( host, "collectionscanada", 1, plain ) then
ulx.url1.name = "Canadian Government Web Archive"
elseif mw.ustring.find( host, "haw.nsk", 1, plain ) then
ulx.url1.name = "Croatian Web Archive (HAW)"
elseif mw.ustring.find( host, "veebiarhiiv.digar.ee", 1, plain ) then
ulx.url1.name = "Estonian Web Archive"
elseif mw.ustring.find( host, "vefsafn.is", 1, plain ) then
ulx.url1.name = "[[National and University Library of Iceland]]"
elseif mw.ustring.find( host, "proni.gov", 1, plain ) then
ulx.url1.name = frame:expandTemplate{ title = "Link-en", args = {"北愛爾蘭公共記錄辦公室", "Public Record Office of Northern Ireland"} }
elseif mw.ustring.find( host, "uni[-]lj.si", 1, plain ) then
ulx.url1.name = "Slovenian Web Archive"
elseif mw.ustring.find( host, "stanford.edu", 1, plain ) then
ulx.url1.name = "[[Stanford University Libraries|Stanford Web Archive]]"
elseif mw.ustring.find( host, "nationalarchives.gov.uk", 1, plain ) then
ulx.url1.name = frame:expandTemplate{ title = "Link-en", args = {"英國政府網際網路檔案館", "UK Government Web Archive", "英國政府-{zh-cn:互联网; zh-tw:網際網路; zh-hk:互聯網;}-檔案館"} }
elseif mw.ustring.find( host, "parliament.uk", 1, plain ) then
ulx.url1.name = frame:expandTemplate{ title = "Link-en", args = {"英國議會網際網路檔案館", "UK Parliament's Web Archive", "英國議會-{zh-cn:互联网; zh-tw:網際網路; zh-hk:互聯網;}-檔案館"} }
elseif mw.ustring.find( host, "webarchive.org.uk", 1, plain ) then
ulx.url1.name = frame:expandTemplate{ title = "Link-en", args = {"英國網際網路檔案館", "UK Web Archive", "英國-{zh-cn:互联网; zh-tw:網際網路; zh-hk:互聯網;}-檔案館"} }
elseif mw.ustring.find( host, "nlb.gov.sg", 1, plain ) then
ulx.url1.name = "Web Archive Singapore"
elseif mw.ustring.find( host, "pandora.nla.gov.au", 1, plain ) then
ulx.url1.name = frame:expandTemplate{ title = "Link-en", args = {"潘朵拉網際網路檔案館", "Pandora Archive", "潘朵拉-{zh-cn:互联网; zh-tw:網際網路; zh-hk:互聯網;}-檔案館"} }
elseif mw.ustring.find( host, "perma.cc", 1, plain ) then
ulx.url1.name = frame:expandTemplate{ title = "Link-en", args = {"Perma.cc"} }
elseif mw.ustring.find( host, "perma[-]archives.cc", 1, plain ) then
ulx.url1.name = frame:expandTemplate{ title = "Link-en", args = {"Perma.cc"} }
elseif mw.ustring.find( host, "screenshots.com", 1, plain ) then
ulx.url1.name = "Screenshots"
elseif mw.ustring.find( host, "wikiwix.com", 1, plain ) then
ulx.url1.name = "Wikiwix"
elseif mw.ustring.find( host, "freezepage.com", 1, plain ) then
ulx.url1.name = "Freezepage"
elseif mw.ustring.find( host, "webcache.googleusercontent.com", 1, plain ) then
ulx.url1.name = "Google網頁-{zh-tw:快取;zh-cn:缓存}-"
else
ulx.url1.name = ulx.url1.host .. " " .. inlineRed("错误:存档服务未知")
tracking = "Category:Webarchive模板未知存档站点"
end

if (ulx.url1.service ~= "other") and (ulx.url1.name == nil) then
tracking = 'Category:Webarchive模板' .. ulx.url1.service .. '链接'
ulx.url1.name = service_names[ulx.url1.service] or ulx.url1.service
end

track[tracking] = 1
end

--[[--------------------------< parseExtraArgs >-----------------------

Parse numbered arguments starting at 2, such as url2..url10, date2..date10, title2..title10
For example: {{webarchive |url=.. |url4=.. |url7=..}}
Three url arguments not in numeric sequence (1..4..7).
Function only processes arguments numbered 2 or greater (in this case 4 and 7)
It creates numeric sequenced table entries like:
urlx.url2.url = <argument value for url4>
urlx.url3.url = <argument value for url7>
Returns the number of URL arguments found numbered 2 or greater (in this case returns "2")

]]

local function parseExtraArgs()

local i, j, argurl, argurl2, argdate, argtitle

j = 2
for i = 2, maxurls do
argurl = "url" .. i
if trimArg(args[argurl]) then
argurl2 = "url" .. j
ulx[argurl2] = {}
ulx[argurl2]["url"] = args[argurl]
argdate = "date" .. j
if trimArg(args[argdate]) then
ulx[argurl2]["date"] = args[argdate]
else
ulx[argurl2]["date"] = inlineRed("[缺少日期]", "warning")
end
argtitle = "title" .. j
if trimArg(args[argtitle]) then
ulx[argurl2]["title"] = args[argtitle]
else
ulx[argurl2]["title"] = nil
end
j = j + 1
end
end

if j == 2 then
return 0
else
return j - 2
end

end

--[[--------------------------< comma >-----------------------

Given a date string, return "," if it's MDY

]]

local function comma(date)
local N = mw.text.split(date, " ")
local O = mw.text.split(N[1], "-") -- for ISO
if O[1] == "index" then return "" end
if not tonumber(O[1]) then
return ","
else
return ""
end
end

--[[--------------------------< createTracking >-----------------------

Return data in track[] ie. tracking categories

]]

local function createTracking()

local sand = ""
if tableLength(track) > 0 then
for key,_ in pairs(track) do
sand = sand .. "[[" .. key .. "]]"
end
end
return sand

end

--[[--------------------------< createRendering >-----------------------

Return a rendering of the data in ulx[][]

]]

local function createRendering()

local sand, displayheader, displayfield

local period1 = "" -- For backwards compat with {{wayback}}
local period2 = "."

local indexstr = "存檔日期"
if ulx.url1.date == "index" then -- what is this?
indexstr = "存檔"
end
-- For {{wayback}}, {{webcite}}

if ulx.url1.format == "none" then
if not ulx.url1.title and not ulx.url1.date then -- No title. No date
sand = ulx.url1.name .. "的[" .. ulx.url1.url .. " " .. "存档]"
elseif not ulx.url1.title and ulx.url1.date then -- No title. Date.
if ulx.url1.service == "wayback" then
period1 = "."
period2 = ""
end
sand = ulx.url1.name .. "的[" .. ulx.url1.url .. " " .. "存檔],存档日期" .. ulx.url1.date .. comma(ulx.url1.date) .. period1
elseif ulx.url1.title and not ulx.url1.date then -- Title. No date.
sand = "[" .. ulx.url1.url .. " " .. ulx.url1.title .. "]" .. ",存档于" .. ulx.url1.name
elseif ulx.url1.title and ulx.url1.date then -- Title. Date.
sand = "[" .. ulx.url1.url .. " " .. ulx.url1.title .. "]" .. ",存档于" .. ulx.url1.name .. "(" .. indexstr .. " " .. ulx.url1.date .. ")"
else
return nil
end
if ulx.url1.extraurls > 0 then -- For multiple archive URLs
local tot = ulx.url1.extraurls + 1
sand = sand .. period2 .. " 其他存档:"
for i=2,tot do
local indx = "url" .. i
if ulx[indx]["title"] then
displayfield = "title"
else
displayfield = "date"
end
sand = sand .. "[" .. ulx[indx]["url"] .. " " .. ulx[indx][displayfield] .. "]"
if i == tot then
sand = sand .. "."
else
sand = sand .. ", "
end
end
else
return sand
end
return sand
-- For {{cite archives}}

else
if ulx.url1.format == "addlarchives" then -- Multiple archive services
displayheader = "其他存档:"
else -- Multiple pages from the same archive
displayheader = "於" .. ulx.url1.date .. "记录的其他存档:"
end
local tot = 1 + ulx.url1.extraurls
local sand = displayheader
for i=1,tot do
local indx = "url" .. i
displayfield = ulx[indx]["title"]
if ulx.url1.format == "addlarchives" then
if not displayfield then
displayfield = ulx[indx]["date"]
end
else
if not displayfield then
displayfield = "第" .. i .. "页"
end
end
sand = sand .. "[" .. ulx[indx]["url"] .. " " .. displayfield .. "]"
if i == tot then
sand = sand .. "."
else
sand = sand .. "、"
end
end
return sand
end
end

function p.webarchive(frame)
args = frame.args
if (args[1]==nil) and (args["url"]==nil) then -- if no argument provided than check parent template/module args
args = frame:getParent().args
end

local tname = "Webarchive" -- name of calling template. Change if template rename.
ulx = {} -- Associative array to hold template data
track = {} -- Associative array to hold tracking categories
maxurls = 10 -- Max number of URLs allowed.
local verifydates = "yes" -- See documentation. Set "no" to disable.

-- URL argument (first)

local url1 = trimArg(args.url) or trimArg(args.url1)
if not url1 then
return inlineError("url", "空。") .. createTracking()
end
if mw.ustring.find( url1, "https://web.http", 1, plain ) then -- track bug
track["Category:Webarchive模板错误"] = 1
return inlineError("url", "https://web.http") .. createTracking()
end
if url1 == "https://web.archive.org/http:/" then -- track bug
track["Category:Webarchive模板错误"] = 1
return inlineError("url", "无效URL") .. createTracking()
end

ulx.url1 = {}
ulx.url1.url = url1
local uri1 = mw.uri.new(ulx.url1.url)
ulx.url1.host = uri1.host
ulx.url1.extraurls = parseExtraArgs()

-- Nolink argument

local nolink = trimArg2(args.nolink)

serviceName(frame, uri1.host, nolink)

-- Date argument

local date = trimArg(args.date) or trimArg(args.date1)
if date == "*" and ulx.url1.service == "wayback" then
date = "index"
elseif date and ulx.url1.service == "wayback" and verifydates == "yes" then
local ldf = dateFormat(date)
if ldf then
local udate = decodeWaybackDate( uri1.path, ldf )
if udate ~= date then
date = udate .. inlineRed("<sup>[日期不符]</sup>", "warning")
end
end
elseif date and ulx.url1.service == "webcite" and verifydates == "yes" then
local ldf = dateFormat(date)
if ldf then
local udate = decodeWebciteDate( uri1.path, ldf )
if udate == "query" then -- skip
elseif udate ~= date then
date = udate .. inlineRed("<sup>[日期不符]</sup>", "warning")
end
end
elseif not date and ulx.url1.service == "wayback" then
date = decodeWaybackDate( uri1.path, "iso" )
if not date then
date = inlineRed("[日期錯誤] (1)", "error")
end
elseif not date and ulx.url1.service == "webcite" then
date = decodeWebciteDate( uri1.path, "iso" )
if date == "query" then
date = inlineRed("[缺少日期]", "warning")
elseif not date then
date = inlineRed("[日期錯誤] (1)", "error")
end
elseif not date then
date = inlineRed("[缺少日期]", "warning")
end
ulx.url1.date = date

-- Format argument

local format = trimArg(args.format)
if not format then
format = "none"
else
if format == "addlpages" then
if not ulx.url1.date then
format = "none"
end
elseif format == "addlarchives" then
format = "addlarchives"
else
format = "none"
end
end
ulx.url1.format = format

-- Title argument

local title = trimArg(args.title) or trimArg(args.title1)
ulx.url1.title = title


local rend = createRendering()
if not rend then
rend = '<span style="font-size:100%" class="error citation-comment">Error in [[:Template:' .. tname .. ']]: Unknown problem. Please report on template talk page.</span>'
track["Category:Webarchive模板错误"] = 1
end

return rend .. createTracking()

end

return p
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