local p = {}
local htmlerror = require('Module:Error').error
function p.citednv(frame)
local origArgs = frame:getParent().args
local args = {}
local success=true
local register="DNV"
for k, v in pairs(origArgs) do
args[k] = v
end
url, vesselid = string.match(string.lower(args['url']),'//exchange.dnv.com/exchange/main.aspx?(.*)vesselid=(g?%d%d%d%d%d%d?)')
vesselid = vesselid or string.lower((args['id'] or args['ID']) or args['vesselid'])
if not vesselid then
success=false
elseif not tonumber(vesselid) then
vesselid = string.upper(vesselid)
register = "GL"
elseif vesselid > 99999 then
vesselid = "G"..vesselid
register = "GL"
end
return '{{cite ship register|register='..register..'|id='..vesselid..'|shipname='..(string.match(args['title'],'\'\'(.-)\'\'') or args['title'])..'|accessdate='..((args['accessdate'] or args['access-date']) or '')
end
return p