def uric():
return Choice(
0,
Group(reserved(), "reserved"),
Group(unreserved(), "unreserved"),
Group(pct_encoded(), "pct-encoded")
)
def par():
return Choice(
0,
Group(parameter(), "parameter"),
Group(extension(), "extension"),
Group(isdn_subaddress(), "isdn-subaddress")
)
def paramchar():
return Choice(
0,
Group(param_unreserved(), "param_unreserved"),
Group(unreserved(), "unreserved"),
Group(pct_encoded(), "pct-encoded")
)
def hier_part():
return Optional(
Choice(
0,
Sequence("//", Group(Sequence(*authority()), "authority"),
Group(path_abempty(), "path-abempty")),
Group(path_absolute(), "path-absolute"),
Group(path_rootless(), "path-rootless")))
def phonedigit():
return Choice(
0,
DIGIT(),
Optional(
Group(visual_separator(), "visual-separator")
)
)
def phonedigit_hex():
return Choice(
0,
HEXDIG(),
"*",
"#",
Optional(
Group(visual_separator(), "visual-separator")
)
)
def telephone_subscriber():
return Choice(
0,
Group(global_number(), "global-number"),
Group(local_number(), "local-number")
)
def descriptor():
return Choice(
0,
Group(domainname(), "domainname"),
Group(global_number_digits(), "global-number-digits")
)
def domainname():
return Sequence(
ZeroOrMore(Sequence(Group(domainlabel(), "domainlabel"), ".")),
Group(toplabel(), "toplabel"),
Optional(".")
)
def userinfo():
return ZeroOrMore(
Choice(0, Group(unreserved(), "unreserved"),
Group(Sequence(*pct_encoded()), "pct-encoded"),
Group(sub_delims(), "sub-delims"), ":"))
def pchar():
return [
Group(unreserved(), "unreserved"),
Group(Sequence(*pct_encoded()), "pct-encoded"),
Group(sub_delims(), "sub-delims"), ":", "@"
]
def uri():
return Sequence(NonTerminal("scheme"), ":", Group(hier_part(),
"hier-part"),
Optional(Sequence("?", NonTerminal("query"))),
Optional(Sequence("#", NonTerminal("fragment"))))
def fragment():
return ZeroOrMore(Group(Choice(0, *pchar()), "pchar"), "/", "?")
def query():
return ZeroOrMore(Group(Choice(0, *pchar()), "pchar"), "/", "?")
def ls32():
return Choice(0, Sequence(Group(h16(), "h16"), ":", Group(h16(), "h16")),
Sequence(Group(Sequence(*ipv4address()), "IPv4address")))
def alias(self, children):
base, name = children
return Group(base, name.value)