local p = {}function p._isIpV6(s)local dcolon, groupsif type(s) ~= "string"or s:len() == 0or s:find("[^:%x]") -- only colon and hex digits are legal charsor s:find("^:[^:]") -- can begin or end with :: but not with single :or s:find("[^:]:$")or s:find(":::")thenreturn falseends, dcolon = s:gsub("::", ":")if dcolon > 1 then return false end -- at most one ::s = s:gsub("^:?", ":") -- prepend : if needed, uppers, groups = s:gsub(":%x%x?%x?%x?", "") -- remove valid groups, and count themreturn ( (dcolon == 1 and groups < 8) or (dcolon == 0 and groups == 8) )and ( s:len() == 0 or (dcolon == 1 and s == ":") ) -- might be one dangling : if original ended with ::endfunction p._isIpV4(s)local function legal(n) return (tonumber(n) or 256) < 256 and not n:match("^0%d") end-- in lua 0 is true!if type(s) ~= "string" then return false endlocal p1, p2, p3, p4 = s:match("^(%d+)%.(%d+)%.(%d+)%.(%d+)$")return legal(p1) and legal(p2) and legal(p3) and legal(p4)endfunction p._isIp(s)return p._isIpV4(s) and "4" or p._isIpV6(s) and "6"endfunction p.isIpV6(frame) return p._isIpV6(frame.args[1]) and "1" or "0" endfunction p.isIpV4(frame) return p._isIpV4(frame.args[1]) and "1" or "0" endfunction p.isIp(frame) return p._isIp(frame.args[1]) or "" endfunction p.isIpOrRange(frame)-- {{#invoke:IPAddress|isIpOrRange|x}} → 'ip' (IPv4/IPv6) or 'range' (CIDR IPv4/IPv6) or '' (invalid)local modip = require('Module:IP')local s = frame.args[1]local success, ip = pcall(modip.IPAddress.new, s)if success thenreturn 'ip'endsuccess, ip = pcall(modip.Subnet.new, s)if success thenreturn 'range'endreturn ''endreturn p
模組解