lpeg_patterns/uri: Export IP_literal

Author: daurnimator

README.md

@@ -73,6 +73,7 @@ Parses URIs as described in [RFC-3986](https://tools.ietf.org/html/rfc3986).
   - `scheme` (pattern): matches the scheme portion of a URI
   - `userinfo` (pattern): matches the userinfo portion of a URI
   - `host` (pattern): matches the host portion of a URI
+  - `IP_literal` (pattern): matches an IP based host portion of a URI. Capture is an [IPv4](#IPv4), [IPv6](#IPv6) or IPvFuture object
   - `port` (pattern): matches the port portion of a URI
   - `authority` (pattern): matches the authority portion of a URI; data is held in named group captures of `"userinfo"`, `"host"`, `"port"`
   - `path` (pattern): matches the path portion of a URI. Captures `nil` for the empty path.

lpeg_patterns/uri.lua

@@ -57,8 +57,8 @@ local IPv6addrz   = IPv6address * (P"%25" * ZoneID)^-1 / function(IPv6, zoneid)
 	return IPv6
 end
 
-local IP_literal  = P"[" * ( IPv6addrz + IPvFuture ) * P"]"
-local IP_host     = ( IP_literal + IPv4address ) / tostring
+_M.IP_literal = P"[" * (IPv6addrz + IPvFuture) * P"]"
+local IP_host = (_M.IP_literal + IPv4address) / tostring
 local reg_name = Cs((
 	unreserved / string.lower
 	+ _M.pct_encoded / function(s) return s:sub(1,1) == "%" and s or string.lower(s) end