Add RFC 2396

AUTHORS

@@ -1,2 +1,3 @@
 Marko Ristin ([email protected], [email protected], [email protected]) for Zurich University of Applied Sciences (ZHAW)
 Oliver Steensen-Bech Haagh ([email protected]) for Digital Maritime Consultancy ApS
+Sebastian Heppner ([email protected], [email protected]) for RWTH Aachen University

test_data/nested-python/rfc2396/expected.py

@@ -0,0 +1,49 @@
+alphanum = '[a-zA-Z0-9]'
+mark = "[\\-\\-.!~*'()]"
+unreserved = f'({alphanum}|{mark})'
+hex = (
+    '([0-9]|[aA]|[bB]|[cC]|[dD]|[eE]|[fF]|[aA]|[bB]|[cC]|[dD]|[e'
+    'E]|[fF])'
+)
+escaped = f'%{hex}{hex}'
+pchar = f'({unreserved}|{escaped}|[:@&=+$,])'
+param = f'({pchar})*'
+segment = f'({pchar})*(;{param})*'
+path_segments = f'{segment}(/{segment})*'
+abs_path = f'/{path_segments}'
+scheme = '[a-zA-Z][a-zA-Z0-9+\\-.]*'
+userinfo = f'({unreserved}|{escaped}|[;:&=+$,])*'
+domainlabel = f'({alphanum}|{alphanum}({alphanum}|-)*{alphanum})'
+toplabel = f'([a-zA-Z]|[a-zA-Z]({alphanum}|-)*{alphanum})'
+hostname = f'({domainlabel}\\.)*{toplabel}(\\.)?'
+ipv4address = '[0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9]+'
+host = f'({hostname}|{ipv4address})'
+port = '[0-9]*'
+hostport = f'{host}(:{port})?'
+server = f'(({userinfo}@)?{hostport})?'
+reg_name = f'({unreserved}|{escaped}|[$,;:@&=+])+'
+authority = f'({server}|{reg_name})'
+net_path = f'//{authority}({abs_path})?'
+reserved = '[;/?:@&=+$,]'
+uric = f'({reserved}|{unreserved}|{escaped})'
+query = f'({uric})*'
+hier_part = f'({net_path}|{abs_path})(\\?{query})?'
+uric_no_slash = f'({unreserved}|{escaped}|[;?:@&=+$,])'
+opaque_part = f'{uric_no_slash}({uric})*'
+absoluteuri = f'{scheme}:({hier_part}|{opaque_part})'
+fragment = f'({uric})*'
+lowalpha = (
+    '([aA]|[bB]|[cC]|[dD]|[eE]|[fF]|[gG]|[hH]|[iI]|[jJ]|[k'
+    'K]|[lL]|[mM]|[nN]|[oO]|[pP]|[qQ]|[rR]|[sS]|[tT]|[uU]|[v'
+    'V]|[wW]|[xX]|[yY]|[zZ])'
+)
+path = f'({abs_path}|{opaque_part})?'
+rel_segment = f'({unreserved}|{escaped}|[;@&=+$,])+'
+rel_path = f'{rel_segment}({abs_path})?'
+relativeuri = f'({net_path}|{abs_path}|{rel_path})(\\?{query})?'
+upalpha = (
+    '([aA]|[bB]|[cC]|[dD]|[eE]|[fF]|[gG]|[hH]|[iI]|[jJ]|[kK]|'
+    '[lL]|[mM]|[nN]|[oO]|[pP]|[qQ]|[rR]|[sS]|[tT]|[uU]|[vV]|'
+    '[wW]|[xX]|[yY]|[zZ])'
+)
+uri_reference = f'({absoluteuri}|{relativeuri})?(\\#{fragment})?'

test_data/nested-python/rfc2396/grammar.abnf

@@ -0,0 +1,82 @@
+; From: https://www.ietf.org/rfc/rfc2396.txt
+; Note that RFC 3986 is a newer version of the URI standard
+
+alpha         = lowalpha / upalpha
+
+lowalpha      = "a" / "b" / "c" / "d" / "e" / "f" / "g" / "h" / "i" /
+                "j" / "k" / "l" / "m" / "n" / "o" / "p" / "q" / "r" /
+                "s" / "t" / "u" / "v" / "w" / "x" / "y" / "z"
+
+upalpha       = "A" / "B" / "C" / "D" / "E" / "F" / "G" / "H" / "I" /
+                "J" / "K" / "L" / "M" / "N" / "O" / "P" / "Q" / "R" /
+                "S" / "T" / "U" / "V" / "W" / "X" / "Y" / "Z"
+
+digit         = "0" / "1" / "2" / "3" / "4" / "5" / "6" / "7" /
+                "8" / "9"
+
+alphanum      = alpha / digit
+
+uric          = reserved / unreserved / escaped
+
+reserved      = ";" / "/" / "?" / ":" / "@" / "&" / "=" / "+" /
+                "$" / ","
+
+unreserved    = alphanum / mark
+
+mark          = "-" / "-" / "." / "!" / "~" / "*" / "'" / "(" / ")"
+
+escaped       = "%" hex hex
+
+hex           = digit / "A" / "B" / "C" / "D" / "E" / "F" /
+                        "a" / "b" / "c" / "d" / "e" / "f"
+
+absoluteURI   = scheme ":" ( hier-part / opaque-part )
+
+hier-part     = ( net-path / abs-path ) [ "?" query ]
+net-path      = "//" authority [ abs-path ]
+abs-path      = "/"  path-segments
+
+opaque-part   = uric-no-slash *uric
+
+uric-no-slash = unreserved / escaped / ";" / "?" / ":" / "@" /
+                "&" / "=" / "+" / "$" / ","
+
+scheme        = alpha *( alpha / digit / "+" / "-" / "." )
+
+authority     = server / reg-name
+
+reg-name      = 1*( unreserved / escaped / "$" / "," /
+                    ";" / ":" / "@" / "&" / "=" / "+" )
+
+server        = [ [ userinfo "@" ] hostport ]
+
+userinfo      = *( unreserved / escaped /
+                   ";" / ":" / "&" / "=" / "+" / "$" / "," )
+
+hostport      = host [ ":" port ]
+host          = hostname / IPv4address
+hostname      = *( domainlabel "." ) toplabel [ "." ]
+domainlabel   = alphanum / alphanum *( alphanum / "-" ) alphanum
+toplabel      = alpha / alpha *( alphanum / "-" ) alphanum
+
+IPv4address   = 1*digit "." 1*digit "." 1*digit "." 1*digit
+port          = *digit
+
+path          = [ abs-path / opaque-part ]
+path-segments = segment *( "/" segment )
+segment       = *pchar *( ";" param )
+param         = *pchar
+pchar         = unreserved / escaped /
+                ":" / "@" / "&" / "=" / "+" / "$" / ","
+
+query         = *uric
+
+URI-reference = [ absoluteURI / relativeURI ] [ "#" fragment ]
+
+fragment      = *uric
+
+relativeURI   = ( net-path / abs-path / rel-path ) [ "?" query ]
+
+rel-path      = rel-segment [ abs-path ]
+rel-segment   = 1*( unreserved / escaped /
+                    ";" / "@" / "&" / "=" / "+" / "$" / "," )