# Module:Authority control/auxiliary

require('strict')
local p = {}
--======================================================
-- Format validation functions
--======================================================
p.botanistV = function(id)
return mw.ustring.match(id,"^[%u%l%d%. '-]+$")
end  
p.validateIsni = function(id) --Validate ISNI (and ORCID) and retuns it as a 16 characters string or returns false if it's invalid. See http://support.orcid.org/knowledgebase/articles/116780-structure-of-the-orcid-identifier
id = id:gsub( '[ %-]', '' ):upper
if not id:match( '^%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d[%dX]$' ) then
return false
end
local total = 0
for i = 1, 15 do
local digit = id:byte( i ) - 48 --Get integer value
total = (total + digit) * 2
end
local remainder = total % 11
local result = (12 - remainder) % 11
local checkdigit
if result == 10 then
checkdigit = 'X'
else
checkdigit=tostring( result )
end
if checkdigit ~= string.char( id:byte( 16 ) ) then
return false
end
return id
end  
p.orcidV = function(id)
id = p.validateIsni(id)
if not id then
return false
end
return id:sub( 1, 4 )..'-'..id:sub( 5, 8 )..'-'..id:sub( 9, 12 )..'-'..id:sub( 13, 16 )
end  
p.tlsV = function(id)
id = id:gsub(' +', '_')
local idlen = mw.ustring.len(id)
if idlen < 4 or idlen > 90 then
return false
end
local regex = '^%u'..string.rep("[%w_',%.%-%(%)%*%/–&]", idlen - 1)..'$'
if not mw.ustring.match(id,regex ) then
return false
end
return id
end  
--======================================================
-- Custom link functions
--======================================================
p.ISILlink = function(id,label)
if not id:match('^%D%D?%D?%D?%-.+$') then
return false
end
for _,prefix in ipairs({'AT','AU','BE','CA','CH','DE','FI','FR','IT','KR','NZ','US','ZDB'}) do
if id:match('^'..prefix..'%-') then
return '<span>' .. (label or 'ISIL') .. '</span>'
end
end
return 'ISIL\n**<span>' .. id .. '</span>'
end  
p.uscgLink = function(id)
local id2 = id:match( '^[1-7]%-%d%d?%d?%d?%d?$' ) or id:match( '^[1-7]%-%d%d?%d?%d?%d?%.%d*[1-9]$' )
if id2 then
return '<span>'..id2..'</span>'
else
return false
end
end  
p.ccg = function(id)
id = id:match('^[NAIP]?[1-9]%d*$') or id:match('^[NAIP]?[1-9]%d*%.%d+$')
if not id then return false end
local link = 'https://www.notmar.gc.ca/'
local prefix = string.sub(id, 1, 1) -- get first character of id
local suffix = string.sub(id, 2) -- remove first character of id
local interval = require('Module:Interval')._main
local v
if prefix=='N' then
local int = interval({1,7.5,14.4,100,121,173,211,235,269.99,326,396,450.1,471.7,499,n=suffix})
if int=='1-2' then v = 1
elseif int=='2-3' then v = 75
elseif int=='3-4' then v = 144
elseif int=='4-5' then v = 100
elseif int=='5-6' then v = 121
elseif int=='6-7' then v = 173
elseif int=='7-8' then v = 211
elseif int=='8-9' then v = 235
elseif int=='9-10' then v = 26999
elseif int=='10-11' then v = 326
elseif int=='11-12' then v = 396
elseif int=='12-13' then v = 4501
elseif int=='13-14' then v = 4717
elseif int=='14-15' then v = 499
end
link = link .. 'publications/list-lights/newfoundland/n' .. v .. '-en'
elseif prefix=='A' then
local int = interval({5,114.5,145,163,268,271,301.5,327,686.5,704.85,883.2,942,1085,1169.1,1584.5,1773,1823.55,2190,2369,2389,n=suffix})
if int=='1-2' then v = 5
elseif int=='2-3' then v = 1145
elseif int=='3-4' then v = 145
elseif int=='4-5' then v = 162
elseif int=='5-6' then v = 268
elseif int=='6-7' then v = 271
elseif int=='7-8' then v = 3015
elseif int=='8-9' then v = 327
elseif int=='9-10' then v = 6865
elseif int=='10-11' then v = 7048
elseif int=='11-12' then v = 883
elseif int=='12-13' then v = 942
elseif int=='13-14' then v = 1085
elseif int=='14-15' then v = 11691
elseif int=='15-16' then v = 15845
elseif int=='16-17' then v = 1773
elseif int=='17-18' then v = 182355
elseif int=='18-19' then v = 2190
elseif int=='19-20' then v = 2369
elseif int=='20-21' then v = 2389
end
link = link .. 'publications/list-lights/atl/a' .. v .. '-en'
elseif prefix=='I' then
local int = interval({0.05,401.1,403.4,551.06,552,624,708,731.2,768,814,983,1046,1059.6,1082,1162,1204.7,1233.3,1328,1330,1346.2,1377.8,1408,1410,1420,1445,1470,1520,1534,1540.6,1554,1557.7,1558.8,1563.1,1625.5,1671.7,1716.96,2545,n=suffix})
if int=='1-2' then v = '01'
elseif int=='2-3' then v = 4011
elseif int=='3-4' then v = 4034
elseif int=='4-5' then v = 55106
elseif int=='5-6' then v = 552
elseif int=='6-7' then v = 624
elseif int=='7-8' then v = 708
elseif int=='8-9' then v = 7312
elseif int=='9-10' then v = 768
elseif int=='10-11' then v = 814
elseif int=='11-12' then v = 983
elseif int=='12-13' then v = 1046
elseif int=='13-14' then v = 10596
elseif int=='14-15' then v = 1082
elseif int=='15-16' then v = 1162
elseif int=='16-17' then v = 12047
elseif int=='17-18' then v = 12333
elseif int=='18-19' then v = 1328
elseif int=='19-20' then v = 1330
elseif int=='20-21' then v = 13462
elseif int=='21-22' then v = 13778
elseif int=='22-23' then v = 1408
elseif int=='23-24' then v = 1410
elseif int=='24-25' then v = 1420
elseif int=='25-26' then v = 1445
elseif int=='26-27' then v = 1470
elseif int=='27-28' then v = 1520
elseif int=='28-29' then v = 1534
elseif int=='29-30' then v = 15406
elseif int=='30-31' then v = 1554
elseif int=='31-32' then v = 15577
elseif int=='32-33' then v = 15588
elseif int=='33-34' then v = 1562
elseif int=='34-35' then v = 16255
elseif int=='35-36' then v = 16717
elseif int=='36-37' then v = 171696
elseif int=='37-38' then v = 2545
end
link = link .. 'publications/list-lights/inland-waters/i' .. v .. '-en'
elseif prefix=='P' then
link = link .. 'publications/list-lights/pac/p'
else
link = link .. 'list-lights'
end
return 'CCG <span>[' .. link .. ' ' .. id .. ']</span>'
end  
return p