Module:Internet Archive: Difference between revisions
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Latest revision as of 06:07, 8 March 2023
Documentation for this module may be created at Module:Internet Archive/doc
--[[
For functions related to Internet Archive
Notes:
1. Internet Archive runs Elasticsearch search engine as of 4 Nov 2015
2. Program flowchart:
Break name down into number of words
Build a base URL based on number of words (1,2,3,4,5+), use of sopt=t switch, and availability of birth-death dates
If any words contain extended-ascii characters
append extra code for wildcards based on sopt=t or w
return finished URL
3. URL length should not exceed 2000 characters or it will break certain popular browsers
4. Wildcard (*) replacements should be avoided in the first letter of the first word, and with any single-letter words
5. Changing search formulations will have impacts on existing uses of the template and off-line tools which are optimized for these search recipes.
]]
local p = {}
--[[
For Template:Internet Archive author
]]
function p.author(frame)
local pframe = frame:getParent()
local args = pframe.args
local tname = "Internet Archive author" -- name of calling template. Change if template rename.
local name = nil -- article name (default: current page name)
dname = nil -- display name (default: current page name)
local sname = nil -- search name (default: current page name)
local sopt = nil -- search options (default: nil)
byabout = "Works by or about"
tagline = "at [[Internet Archive]]"
urlhead = "https://archive.org/search.php?query="
mydate = "" -- birth-death date
--- Determine name
name = trimArg(args.name) -- When using template outside main article space, the 'name' parameter is required (not optional)
if not name then
name = mw.title.getCurrentTitle().text
end
dname = mw.ustring.gsub(name,'%s+%([^%(]-%)$', '') -- Remove the final disambig parentheses
sname = dname
if trimArg(args.sname) then
sname = trimArg(args.sname)
end
if trimArg(args.dname) then
dname = trimArg(args.dname)
end
--- Determine search option
sopt = trimArg(args.sopt)
if sopt then
sopt = mw.ustring.lower(sopt)
if sopt == "tight" then sopt = "t" end
if sopt == "tightx" then sopt = "tx" end
if sopt == "wild" then sopt = "w" end
if sopt ~= "t" and sopt ~= "tx" and sopt ~= "w" then sopt = "unknown" end
end
--- Determine tagline
if trimArg(args.coda) then
tagline = tagline .. " " .. trimArg(args.coda)
end
--- Custom search. Do early to avoid unnecessary processing.
if trimArg(args.search) then
local search = p.ia_url_encode(trimArg(args.search))
return "[" .. urlhead .. search .. " " .. byabout .. " " .. dname .. "] " .. tagline
end
-- Determine media string
media = p.mediaTypes(args.media)
if media == "" then
mediaopen = "%28" -- added a default mediatype Dec 2015 see p.mediaTypes()
else
mediaopen = "%28"
end
-- Determine date of birth and death
local temp = mw.text.split(p.bdDate(args.birth, args.death, name), " ")
local birth = temp[1]
local death = temp[2]
if birth == "Error" or death == "Error" then
return "Error in [[:Template:"..tname.."]]: [[" ..name.. "]] doesn't exist."
end
--- Split sname into words and count words
local N = mw.text.split(sname, " ")
local l, count = mw.ustring.gsub(sname, "%S+", "")
if count == 0 then
return "Error in [[:Template:"..tname.."]]: Zero-word name."
end
--- Date string
if birth ~= "none" and death ~= "none" then
if p.ia_extendedascii(N[count]) == 1 then
mydate = "%20OR%20%28%22"..birth.."-"..death.."%22%20AND%20%28%22"..p.urlX(N[count]).."%22%20OR%20"..p.urlX(p.ia_deaccent(N[count])).."%29%29"
else
mydate = "%20OR%20%28%22"..birth.."-"..death.."%22%20AND%20"..p.urlX(N[count]).."%29"
end
end
--- wild string
wild = "%29"
if sopt == "w" and p.ia_extendedascii(sname) == 1 then
if p.wildcheck(N, count) == 1 then
myurl = p.wildfix(N, count)
return p.IArender()
end
if count < 3 or count > 3 then
-- (first last)
wild = "%20OR%20%28" .. p.ia_url_encode(p.ia_extendedascii2wildcard(sname)) .. "%29%29"
end
if count == 3 then
-- (first last)
wild = "%20OR%20%28" .. p.ia_url_encode(p.ia_extendedascii2wildcard(N[1])) .. "%20" .. p.ia_url_encode(p.ia_extendedascii2wildcard(N[3])) .. "%29%29"
end
end
--[[
Format URL
]]
if count == 1 then
myurl = p.oneWord(sname)
if sopt == "t" and p.ia_extendedascii(sname) == 1 then
local plainname = p.ia_deaccent(sname)
local A1 = "%20OR%20%22"..p.urlX(plainname)
myurl = myurl .. A1 .. "%22"
return p.IArender()
end
return p.IArender()
end
if count == 2 then
myurl = p.twoWords(N, sopt)
if sopt == "t" and p.ia_extendedascii(sname) == 1 then
local plainname = p.ia_deaccent(sname)
local PN = mw.text.split(plainname, " ")
-- Last, First
local A1 = "%20OR%20%22"..p.urlX(PN[2]).."%2C%20"..p.urlX(PN[1])
-- First Last
local A2 = "%22%20OR%20%22"..p.urlX(PN[1]).."%20"..p.urlX(PN[2])
myurl = myurl .. A1 .. A2 .. "%22"
return p.IArender()
end
return p.IArender()
end
if count == 3 then
myurl = p.threeWords(N, sopt)
if sopt == "t" and p.ia_extendedascii(sname) == 1 then
local plainname = p.ia_deaccent(sname)
local PN = mw.text.split(plainname, " ")
local FIRST = p.urlX(PN[1])
local MIDDLE = p.urlX(PN[2])
local LAST = p.urlX(PN[3])
local firstinitialp = p.urlX( p.firstLetter(PN[1]) )
local middleinitialp = p.urlX( p.firstLetter(PN[2]) )
-- First Middle Last
local A1 = "%20OR%20%22"..FIRST.."%20"..MIDDLE.."%20"..LAST
-- Last, First Middle
local A2 = "%22%20OR%20%22"..LAST.."%2C%20"..FIRST.."%20"..MIDDLE
-- Last, First M.
local A3 = "%22%20OR%20%22"..LAST.."%2C%20"..FIRST.."%20"..middleinitialp.."%2E"
-- Last, F. M.
local A4 = "%22%20OR%20%22"..LAST.."%2C%20"..firstinitialp..".%20"..middleinitialp.."%2E"
local ALL = A1 .. A2 .. A3 .. A4 .. "%22"
myurl = myurl .. ALL
return p.IArender()
end
return p.IArender()
end
if count == 4 then
myurl = p.fourWords(N, sopt)
if sopt == "t" and p.ia_extendedascii(sname) == 1 then
local plainname = p.ia_deaccent(sname)
local PN = mw.text.split(plainname, " ")
local FIRST = p.urlX(PN[1])
local SECOND = p.urlX(PN[2])
local THIRD = p.urlX(PN[3])
local LAST = p.urlX(PN[4])
local firstinitialp = p.urlX( p.firstLetter(PN[1]) )
local secondinitialp = p.urlX( p.firstLetter(PN[2]) )
local thirdinitialp = p.urlX( p.firstLetter(PN[3]) )
-- Last, First Second Third
local A1 = "%20OR%20%22"..LAST.."%2C%20"..FIRST.."%20"..SECOND.."%20"..THIRD
-- First Second Third Last
local A2 = "%22%20OR%20%22"..FIRST.."%20"..SECOND.."%20"..THIRD.."%20"..LAST
-- Last, F. S. T.
local A3 = "%22%20OR%20%22"..LAST.."%2C%20"..firstinitialp.."%2E%20"..secondinitialp.."%2E%20"..thirdinitialp.."%2E"
local ALL = A1 .. A2 .. A3 .. "%22"
myurl = myurl .. ALL
return p.IArender()
end
return p.IArender()
end
if count > 4 then
myurl = ""
if sopt == "w" and p.ia_extendedascii(sname) == 1 then
myurl = "%28"
end
myurl = myurl .. "%28" .. p.ia_url_encode(sname)
if sopt == "w" and p.ia_extendedascii(sname) == 1 then
myurl = myurl .. "%29"
end
if sopt == "t" and p.ia_extendedascii(sname) == 1 then
local plainname = p.ia_deaccent(sname)
local A1 = "%29%20OR%20%28"..p.ia_url_encode(plainname)
myurl = myurl .. A1
return p.IArender()
end
return p.IArender()
end
return "Unknown error (1). Please check documentation for [[Template:"..tname.."]]"
end
-- Build final output and render
function p.IArender()
return "[" .. urlhead .. mediaopen .. myurl .. wild .. mydate .. media .. " " .. byabout .. " " .. dname .. "] " .. tagline
end
function p.oneWord(sname)
local nameurl = p.ia_url_encode(sname)
local A1 = "%28subject%3A%22"..nameurl
local A2 = "%22%20OR%20creator%3A%22"..nameurl
local A3 = "%22%20OR%20description%3A%22"..nameurl
local A4 = "%22%20OR%20title%3A%22"..nameurl
return A1 .. A2 .. A3 .. A4 .. "%22"
end
function p.twoWords(N, sopt)
local FIRST = p.urlX(N[1])
local LAST = p.urlX(N[2])
local firstinitial = p.urlX( p.firstLetter(N[1]) )
-- Last, First
local S1 = "%28subject%3A%22"..LAST.."%2C%20"..FIRST
-- First Last
local S2 = "%22%20OR%20subject%3A%22"..FIRST.."%20"..LAST
local SALL = S1..S2
-- Last, First
local C1 = "%22%20OR%20creator%3A%22"..LAST.."%2C%20"..FIRST
-- First Last
local C2 = "%22%20OR%20creator%3A%22"..FIRST.."%20"..LAST
local CALL = C1..C2
-- First Last
local T1 = "%22%20OR%20title%3A%22"..FIRST.."%20"..LAST
local TALL = T1
-- Last, First
local D1 = "%22%20OR%20description%3A%22"..LAST.."%2C%20"..FIRST
-- First Last
local D2 = "%22%20OR%20description%3A%22"..FIRST.."%20"..LAST
local DALL = D1..D2
if sopt == "t" or sopt == "tx" then
return SALL .. CALL .. TALL .. DALL .. "%22"
else
-- Last, F.
local C3 = "%22%20OR%20creator%3A%22"..LAST.."%2C%20"..firstinitial.."%2E"
local CALL = CALL..C3
return SALL .. CALL .. TALL .. DALL .. "%22"
end
end
function p.threeWords(N, sopt)
-- CAUTION: The following is near the max 2000 character URL limit for most browsers when using long names
-- such as "René-Nicolas Dufriche Desgenettes".
local FIRST = p.urlX(N[1])
local MIDDLE = p.urlX(N[2])
local LAST = p.urlX(N[3])
local firstinitial = p.urlX( p.firstLetter(N[1]) )
local middleinitial = p.urlX( p.firstLetter(N[2]) )
-- Last, First Middle
local S1 = "%28subject%3A%22"..LAST.."%2C%20"..FIRST.."%20"..MIDDLE
-- Last, First M.
local S2 = "%22%20OR%20subject%3A%22"..LAST.."%2C%20"..FIRST.."%20"..middleinitial.."%2E"
-- Last, F. M.
local S3 = "%22%20OR%20subject%3A%22"..LAST.."%2C%20"..firstinitial.."%2E%20"..middleinitial.."%2E"
-- First Middle Last
local S4 = "%22%20OR%20subject%3A%22"..FIRST.."%20"..MIDDLE.."%20"..LAST
-- First M. Last
local S5 = "%22%20OR%20subject%3A%22"..FIRST.."%20"..middleinitial.."%2E%20"..LAST
-- F. M. Last
local S6 = "%22%20OR%20subject%3A%22"..firstinitial.."%2E%20"..middleinitial.."%2E%20"..LAST
local SALL = S1..S2..S3..S4..S5..S6
-- First Middle Last
local C1 = "%22%20OR%20creator%3A%22"..FIRST.."%20"..MIDDLE.."%20"..LAST
-- First M. Last
local C2 = "%22%20OR%20creator%3A%22"..FIRST.."%20"..middleinitial.."%2E%20"..LAST
-- F. M. Last
local C3 = "%22%20OR%20creator%3A%22"..firstinitial.."%2E%20"..middleinitial.."%2E%20"..LAST
-- F. Middle Last
local C4 = "%22%20OR%20creator%3A%22"..firstinitial.."%2E%20"..MIDDLE.."%20"..LAST
-- Last, First Middle
local C5 = "%22%20OR%20creator%3A%22"..LAST.."%2C%20"..FIRST.."%20"..MIDDLE
-- Last, First M.
local C6 = "%22%20OR%20creator%3A%22"..LAST.."%2C%20"..FIRST.."%20"..middleinitial.."%2E"
-- Last, F. M.
local C7 = "%22%20OR%20creator%3A%22"..LAST.."%2C%20"..firstinitial.."%2E%20"..middleinitial.."%2E"
-- Last, F. M.
local C8 = "%22%20OR%20creator%3A%22"..LAST.."%2C%20"..firstinitial.."%2E%20"..MIDDLE
local CALL = C1..C2..C3..C4..C5..C6..C7..C8
-- First Middle Last
local T1 = "%22%20OR%20title%3A%22"..FIRST.."%20"..MIDDLE.."%20"..LAST
-- First M. Last
local T2 = "%22%20OR%20title%3A%22"..FIRST.."%20"..middleinitial.."%2E%20"..LAST
-- F. M. Last
local T3 = "%22%20OR%20title%3A%22"..firstinitial.."%2E%20"..middleinitial.."%2E%20"..LAST
local TALL = T1..T2..T3
-- First Middle Last
local D1 = "%22%20OR%20description%3A%22"..FIRST.."%20"..MIDDLE.."%20"..LAST
-- First M. Last
local D2 = "%22%20OR%20description%3A%22"..FIRST.."%20"..middleinitial.."%2E%20"..LAST
-- F. M. Last
local D3 = "%22%20OR%20description%3A%22"..firstinitial.."%2E%20"..middleinitial.."%2E%20"..LAST
-- Last, First Middle
local D4 = "%22%20OR%20description%3A%22"..LAST.."%2C%20"..FIRST.."%20"..MIDDLE
-- Last, First M.
local D5 = "%22%20OR%20description%3A%22"..LAST.."%2C%20"..FIRST.."%20"..middleinitial.."%2E"
local DALL = D1..D2..D3..D4..D5
if sopt == "t" or sopt == "tx" then
return SALL .. CALL .. TALL .. DALL .. "%22"
else
-- Last, First
local S7 = "%22%20OR%20subject%3A%22"..LAST.."%2C%20"..FIRST
-- First Last
local S8 = "%22%20OR%20subject%3A%22"..FIRST.."%20"..LAST
local SALL = SALL..S7..S8
-- First Last
local C9 = "%22%20OR%20creator%3A%22"..FIRST.."%20"..LAST
-- Last, First
local C10 = "%22%20OR%20creator%3A%22"..LAST.."%2C%20"..FIRST
local CALL = CALL..C9..C10
-- First Last
local T4 = "%22%20OR%20title%3A%22"..FIRST.."%20"..LAST
local TALL = TALL..T4
-- First Last
local D6 = "%22%20OR%20description%3A%22"..FIRST.."%20"..LAST
-- Last, First
local D7 = "%22%20OR%20description%3A%22"..LAST.."%2C%20"..FIRST
local DALL = DALL..D6..D7
return SALL .. CALL .. TALL .. DALL .. "%22"
end
end
function p.fourWords(N, sopt)
local FIRST = p.urlX(N[1])
local SECOND = p.urlX(N[2])
local THIRD = p.urlX(N[3])
local LAST = p.urlX(N[4])
local firstinitial = p.firstLetter(N[1])
local secondinitial = p.firstLetter(N[2])
local thirdinitial = p.firstLetter(N[3])
if sopt == "t" or sopt == "tx" then
-- Last, First Second Third
local S1 = "%28subject%3A%22"..LAST.."%2C%20"..FIRST.."%20"..SECOND.."%20"..THIRD
-- First Second Third Last
local S2 = "%22%20OR%20subject%3A%22"..FIRST.."%20"..SECOND.."%20"..THIRD.."%20"..LAST
-- Last, First Second Third
local C1 = "%22%20OR%20creator%3A%22"..LAST.."%2C%20"..FIRST.."%20"..SECOND.."%20"..THIRD
-- First Second Third Last
local C2 = "%22%20OR%20creator%3A%22"..FIRST.."%20"..SECOND.."%20"..THIRD.."%20"..LAST
-- First Second Third Last
local T1 = "%22%20OR%20title%3A%22"..FIRST.."%20"..SECOND.."%20"..THIRD.."%20"..LAST
-- First Second Third Last
local D1 = "%22%20OR%20description%3A%22"..FIRST.."%20"..SECOND.."%20"..THIRD.."%20"..LAST
return S1..S2..C1..C2..T1..D1.."%22"
end
-- Last, First Second Third
local S1 = "%28subject%3A%22"..LAST.."%2C%20"..FIRST.."%20"..SECOND.."%20"..THIRD
-- First Second Third Last
local S2 = "%22%20OR%20subject%3A%22"..FIRST.."%20"..SECOND.."%20"..THIRD.."%20"..LAST
-- Last, First Second Third
local C1 = "%22%20OR%20creator%3A%22"..LAST.."%2C%20"..FIRST.."%20"..SECOND.."%20"..THIRD
-- First Second Third Last
local C2 = "%22%20OR%20creator%3A%22"..FIRST.."%20"..SECOND.."%20"..THIRD.."%20"..LAST
-- Last, F. S. T.
local C3 = "%22%20OR%20creator%3A%22"..LAST.."%2C%20"..firstinitial.."%2E%20"..secondinitial.."%2E%20"..thirdinitial.."%2E"
-- First Second Third Last
local T1 = "%22%20OR%20title%3A%22"..FIRST.."%20"..SECOND.."%20"..THIRD.."%20"..LAST
-- First Second Third Last
local D1 = "%22%20OR%20description%3A%22"..FIRST.."%20"..SECOND.."%20"..THIRD.."%20"..LAST
return S1..S2..C1..C2..C3..T1..D1.."%22"
end
-- ElasticSearch speed/resource problems if first letter of first word is "*" wildcard ie. accented letter
-- Build special search in these cases.
-- https://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-query-string-query.html#_wildcards
function p.wildfix(N, count)
--- Split along "-" and use only first word ie. John-Taylor-Smith becomes John
local NF = mw.text.split(N[1], "-")
local NL = mw.text.split(N[count], "-")
-- ..but use full name for 1-word names
if count == 1 then
NF[1] = N[1]
NL[1] = N[1]
end
-- ((Fïrst OR First) AND (Lást OR Last))
return "%28%28%22" .. NF[1] .. "%22%20OR%20" .. p.ia_deaccent(NF[1]) .. "%29%20AND%20%28%22" .. NL[1] .. "%22%20OR%20" .. p.ia_deaccent(NL[1]) .. "%29"
end
-- Return 1 if the first letter of first word, or any single-letter word, is extended ascii
function p.wildcheck(N, count)
local i = 0
-- first letter of first word is extended ascii
if N[1]:byte(1) < 32 or N[1]:byte(1) > 126 then return 1 end
-- any single-letter word that is composed of only extended ascii
while i < count do
i = i + 1
if N[i]:len() == 1 then
if N[i]:byte(1) < 32 or N[i]:byte(1) > 126 then return 1 end
end
end
return 0
end
function trimArg(arg)
if arg == "" or arg == nil then
return nil
else
return mw.text.trim(arg)
end
end
function p.mediaTypes(argsmedia)
-- Added a default mediatype Dec 2015 due to too many false positives in the software mediatype, caused by birth-death dates catching numbers in source codes
local media = "-mediatype:software"
if argsmedia ~="" and argsmedia ~=nil then
local medialist = mw.text.split(mw.text.trim(argsmedia), " ")
local al, acount = mw.ustring.gsub(mw.text.trim(argsmedia), "%S+", "")
local i = 0
repeat -- the following could be condensed but repetitive for clarity
i = i + 1
if(mw.ustring.lower(medialist[i]) == "text" or mw.ustring.lower(medialist[i]) == "texts") then
media = media .. p.ia_url_encode(" OR mediatype:texts")
end
if(mw.ustring.lower(medialist[i]) == "audio") then
media = media .. p.ia_url_encode(" OR mediatype:audio")
end
if(mw.ustring.lower(medialist[i]) == "video") then
media = media .. p.ia_url_encode(" OR mediatype:video")
end
until i == acount
end
media = "%29%20AND%20%28" .. media .. "%29"
return media
end
-- Alt way to get b/d dates via getContent()
function p.bdDateAlt(argsbirth, argsdeath, name)
local pagetext = nil
local birth = "none"
local death = "none"
-- Load the page
local t = mw.title.new(name)
if(t.exists) then
pagetext = t:getContent()
end
if pagetext == nil then
return "Error"
end
-- Remove false positives
pagetext = mw.ustring.gsub( mw.ustring.gsub(pagetext, "<!--.--->", ""), "<nowiki>.-</nowiki>", "")
-- "Category:1900 births"
if argsbirth == "" or argsbirth == nil then
local birthcheck = mw.ustring.match(pagetext, "%[%[%s-[Cc]ategory:%s-%d+%.?%d*%s-births%s-%]%]" )
if birthcheck ~= nil then
birth = mw.ustring.match(birthcheck, "%d+%.?%d*")
else
birth = "none"
end
else
birth = mw.text.trim(argsbirth)
end
-- "Category:2000 deaths"
if argsdeath == "" or argsdeath == nil then
local deathcheck = mw.ustring.match(pagetext, "%[%[%s-[Cc]ategory:%s-%d+%.?%d*%s-deaths%s-%]%]" )
if deathcheck ~= nil then
death = mw.ustring.match(deathcheck, "%d+%.?%d*")
else
death = "none"
end
else
death = mw.text.trim(argsdeath)
end
return birth .. " " .. death
end
-- Get b/d dates via Wikidata.
--
function p.bdDate(argsbirth, argsdeath, name)
local pagetext = nil
local birth = "none"
local death = "none"
entity = mw.wikibase.getEntityObject()
if not entity or not entity.claims then
-- Alternative if template not on a page in mainspace. This is needed since Wikidata can only be retrieved
-- for the article where the template is located.
return p.bdDateAlt(argsbirth, argsdeath, name)
end
-- Note: The below uses formatPropertyValues() to get and format the date from Wikidata.
-- For an alternative method, see sandbox revision dated 5:58 am, 15 October 2014
if argsbirth == "" or argsbirth == nil then
local birthtable = entity:formatPropertyValues( 'P569' )
local birthsplit = mw.text.split(birthtable["value"], " ")
local l, count = mw.ustring.gsub(birthtable["value"], "%S+", "")
if count > 0 then
if string.find(birthsplit[count], "^%d") then
birth = birthsplit[count]
elseif string.find(birthsplit[count], "BCE") then
birth = birthsplit[count - 1]
elseif string.find(birthsplit[count], "BC") then
birth = birthsplit[count - 1]
elseif string.find(birthsplit[count], "AD") then
birth = birthsplit[count - 1]
end
end
else
birth = mw.text.trim(argsbirth)
end
if argsdeath == "" or argsdeath == nil then
local deathtable = entity:formatPropertyValues( 'P570' )
local deathsplit = mw.text.split(deathtable["value"], " ")
local l, count = mw.ustring.gsub(deathtable["value"], "%S+", "")
if count > 0 then
if string.find(deathsplit[count], "^%d") then
death = deathsplit[count]
elseif string.find(deathsplit[count], "BCE") then
death = deathsplit[count - 1]
elseif string.find(deathsplit[count], "BC") then
death = deathsplit[count - 1]
elseif string.find(deathsplit[count], "AD") then
death = deathsplit[count - 1]
end
end
else
death = mw.text.trim(argsdeath)
end
if birth == "none" and death == "none" then
-- Alternative if Wikidata is missing data
-- return p.bdDateAlt(name)
return birth .. " " .. death
else
return birth .. " " .. death
end
end
--- URL-encode special characters
--- Note: this function was added later to deal with "&" characters instead of using p.ia_url_encode since
--- that may break existing instances of the template.
function p.urlX(str)
if (str) then
str = mw.ustring.gsub (str, "&", "%%26")
end
return str
end
--- URL-encode a string
--- http://lua-users.org/wiki/StringRecipes
---
function p.ia_url_encode(str)
if (str) then
str = mw.ustring.gsub (str, "\n", "\r\n")
str = mw.ustring.gsub (str, "([^%w %-%_%.%~])",
function (c) return mw.ustring.format ("%%%02X", string.byte(c)) end)
str = mw.ustring.gsub (str, " ", "+")
end
return str
end
-- Does str contain extended ascii? 1 = yes
function p.ia_extendedascii(str)
for i = 1, str:len() do
if (str:byte(i) >= 32 and str:byte(i) <= 126) and str:byte(i) ~= 39 then -- 39 = "'"
--do nothing
else
return 1
end
end
return 0
end
-- UTF-8 aware replacement for string.sub() which doesn't support UTF-8.
-- Note: Using instead of mw.ustring.sub() which I suspect(?) might be cause of intermittent error, and faster here for first-letter job.
-- Source: prapin @ Stack Overflow http://stackoverflow.com/questions/13235091/extract-the-first-letter-of-a-utf-8-string-with-lua
function p.firstLetter(str)
return str:match("[%z\1-\127\194-\244][\128-\191]*")
end
-- Replace all extended ascii characters with wildcard '*'
-- Replace "-" with <space> eg. Pierre-Jean -> Pierre Jean
function p.ia_extendedascii2wildcard(str)
local s = ""
local j = 0
local k = 0
for i = 1, str:len() do
k = str:byte(i)
if k >= 32 and k <= 126 then
-- For list of Lucene special characters needing to be escaped:
-- http://lucene.apache.org/core/4_10_0/queryparser/org/apache/lucene/queryparser/classic/package-summary.html#Escaping_Special_Characters
-- We only worry about - (45) and " (34) since the others are unlikely to appear in a proper name.
-- Also ' (39) since it is sometimes the extended character ’
if k == 34 or k == 39 then
s = s .. "*"
elseif k == 45 then
s = s .. " "
else
s = s .. str:sub(i,i)
end
else
if j == 1 then
s = s .. "*"
j = 2
end
if j == 0 then j = 1 end
if j == 2 then j = 0 end
end
end
return s
end
-- Replace accented letters with non-accented equivalent letters
-- Note: this is not a complete list of all possible accented letters. It is
-- all of the accented letters found in the first 10,000 names using
-- the Internet Archive author template.
function p.ia_deaccent(str)
local s = str
s = mw.ustring.gsub(s, "á", "a")
s = mw.ustring.gsub(s, "a︡", "a")
s = mw.ustring.gsub(s, "Á", "A")
s = mw.ustring.gsub(s, "ă", "a")
s = mw.ustring.gsub(s, "â", "a")
s = mw.ustring.gsub(s, "æ", "ae")
s = mw.ustring.gsub(s, "Æ", "AE")
s = mw.ustring.gsub(s, "à", "a")
s = mw.ustring.gsub(s, "ā", "a")
s = mw.ustring.gsub(s, "Ā", "A")
s = mw.ustring.gsub(s, "ą", "a")
s = mw.ustring.gsub(s, "å", "a")
s = mw.ustring.gsub(s, "Å", "A")
s = mw.ustring.gsub(s, "ã", "a")
s = mw.ustring.gsub(s, "ä", "a")
s = mw.ustring.gsub(s, "Ä", "A")
s = mw.ustring.gsub(s, "β", "B")
s = mw.ustring.gsub(s, "ć", "c")
s = mw.ustring.gsub(s, "č", "c")
s = mw.ustring.gsub(s, "Č", "C")
s = mw.ustring.gsub(s, "ç", "c")
s = mw.ustring.gsub(s, "Ç", "C")
s = mw.ustring.gsub(s, "ĉ", "c")
s = mw.ustring.gsub(s, "ď", "d")
s = mw.ustring.gsub(s, "đ", "d")
s = mw.ustring.gsub(s, "é", "e")
s = mw.ustring.gsub(s, "É", "E")
s = mw.ustring.gsub(s, "ě", "e")
s = mw.ustring.gsub(s, "ê", "e")
s = mw.ustring.gsub(s, "è", "e")
s = mw.ustring.gsub(s, "È", "E")
s = mw.ustring.gsub(s, "ε", "e")
s = mw.ustring.gsub(s, "ē", "e")
s = mw.ustring.gsub(s, "Ē", "E")
s = mw.ustring.gsub(s, "ę", "e")
s = mw.ustring.gsub(s, "ð", "e")
s = mw.ustring.gsub(s, "ë", "e")
s = mw.ustring.gsub(s, "Ë", "E")
s = mw.ustring.gsub(s, "γ", "Y")
s = mw.ustring.gsub(s, "ħ", "h")
s = mw.ustring.gsub(s, "i︠a︡", "ia")
s = mw.ustring.gsub(s, "í", "i")
s = mw.ustring.gsub(s, "i︠", "i")
s = mw.ustring.gsub(s, "ĭ", "i")
s = mw.ustring.gsub(s, "Í", "I")
s = mw.ustring.gsub(s, "î", "i")
s = mw.ustring.gsub(s, "Î", "I")
s = mw.ustring.gsub(s, "ì", "i")
s = mw.ustring.gsub(s, "ī", "i")
s = mw.ustring.gsub(s, "ł", "i")
s = mw.ustring.gsub(s, "ï", "i")
s = mw.ustring.gsub(s, "Ï", "I")
s = mw.ustring.gsub(s, "ĺ", "I")
s = mw.ustring.gsub(s, "Ĺ", "L")
s = mw.ustring.gsub(s, "μ", "u")
s = mw.ustring.gsub(s, "µ", "u")
s = mw.ustring.gsub(s, "ń", "n")
s = mw.ustring.gsub(s, "ň", "n")
s = mw.ustring.gsub(s, "ņ", "n")
s = mw.ustring.gsub(s, "ñ", "n")
s = mw.ustring.gsub(s, "Ñ", "N")
s = mw.ustring.gsub(s, "ó", "o")
s = mw.ustring.gsub(s, "Ó", "O")
s = mw.ustring.gsub(s, "ô", "o")
s = mw.ustring.gsub(s, "œ", "oe")
s = mw.ustring.gsub(s, "ò", "o")
s = mw.ustring.gsub(s, "ō", "o")
s = mw.ustring.gsub(s, "ø", "o")
s = mw.ustring.gsub(s, "Ø", "o")
s = mw.ustring.gsub(s, "õ", "o")
s = mw.ustring.gsub(s, "ö", "o")
s = mw.ustring.gsub(s, "ő", "o")
s = mw.ustring.gsub(s, "Ö", "O")
s = mw.ustring.gsub(s, "φ", "o")
s = mw.ustring.gsub(s, "ŕ", "r")
s = mw.ustring.gsub(s, "ř", "r")
s = mw.ustring.gsub(s, "Ř", "R")
s = mw.ustring.gsub(s, "ß", "ss")
s = mw.ustring.gsub(s, "ś", "s")
s = mw.ustring.gsub(s, "Ś", "S")
s = mw.ustring.gsub(s, "š", "s")
s = mw.ustring.gsub(s, "ṣ", "s")
s = mw.ustring.gsub(s, "Š", "S")
s = mw.ustring.gsub(s, "ş", "s")
s = mw.ustring.gsub(s, "Ş", "S")
s = mw.ustring.gsub(s, "ŝ", "s")
s = mw.ustring.gsub(s, "σ", "s")
s = mw.ustring.gsub(s, "ť", "t")
s = mw.ustring.gsub(s, "ţ", "t")
s = mw.ustring.gsub(s, "τ", "t")
s = mw.ustring.gsub(s, "þ", "p")
s = mw.ustring.gsub(s, "Þ", "p")
s = mw.ustring.gsub(s, "ú", "u")
s = mw.ustring.gsub(s, "Ú", "U")
s = mw.ustring.gsub(s, "û", "u")
s = mw.ustring.gsub(s, "ù", "u")
s = mw.ustring.gsub(s, "ū", "u")
s = mw.ustring.gsub(s, "ů", "u")
s = mw.ustring.gsub(s, "ü", "u")
s = mw.ustring.gsub(s, "Ü", "U")
s = mw.ustring.gsub(s, "ŵ", "w")
s = mw.ustring.gsub(s, "ý", "y")
s = mw.ustring.gsub(s, "ŷ", "y")
s = mw.ustring.gsub(s, "¥", "y")
s = mw.ustring.gsub(s, "ÿ", "y")
s = mw.ustring.gsub(s, "Ÿ", "Y")
s = mw.ustring.gsub(s, "ź", "z")
s = mw.ustring.gsub(s, "Ž", "Z")
s = mw.ustring.gsub(s, "ž", "z")
s = mw.ustring.gsub(s, "ż", "z")
s = mw.ustring.gsub(s, "Ż", "Z")
return s
end
return p