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|
# frozen_string_literal: true
module URI
class RFC3986_Parser # :nodoc:
# URI defined in RFC3986
HOST = %r[
(?<IP-literal>\[(?:
(?<IPv6address>
(?:\h{1,4}:){6}
(?<ls32>\h{1,4}:\h{1,4}
| (?<IPv4address>(?<dec-octet>[1-9]\d|1\d{2}|2[0-4]\d|25[0-5]|\d)
\.\g<dec-octet>\.\g<dec-octet>\.\g<dec-octet>)
)
| ::(?:\h{1,4}:){5}\g<ls32>
| \h{1,4}?::(?:\h{1,4}:){4}\g<ls32>
| (?:(?:\h{1,4}:)?\h{1,4})?::(?:\h{1,4}:){3}\g<ls32>
| (?:(?:\h{1,4}:){,2}\h{1,4})?::(?:\h{1,4}:){2}\g<ls32>
| (?:(?:\h{1,4}:){,3}\h{1,4})?::\h{1,4}:\g<ls32>
| (?:(?:\h{1,4}:){,4}\h{1,4})?::\g<ls32>
| (?:(?:\h{1,4}:){,5}\h{1,4})?::\h{1,4}
| (?:(?:\h{1,4}:){,6}\h{1,4})?::
)
| (?<IPvFuture>v\h++\.[!$&-.0-9:;=A-Z_a-z~]++)
)\])
| \g<IPv4address>
| (?<reg-name>(?:%\h\h|[!$&-.0-9;=A-Z_a-z~])*+)
]x
USERINFO = /(?:%\h\h|[!$&-.0-9:;=A-Z_a-z~])*+/
SCHEME = %r[[A-Za-z][+\-.0-9A-Za-z]*+].source
SEG = %r[(?:%\h\h|[!$&-.0-9:;=@A-Z_a-z~/])].source
SEG_NC = %r[(?:%\h\h|[!$&-.0-9;=@A-Z_a-z~])].source
FRAGMENT = %r[(?:%\h\h|[!$&-.0-9:;=@A-Z_a-z~/?])*+].source
RFC3986_URI = %r[\A
(?<seg>#{SEG}){0}
(?<URI>
(?<scheme>#{SCHEME}):
(?<hier-part>//
(?<authority>
(?:(?<userinfo>#{USERINFO.source})@)?
(?<host>#{HOST.source.delete(" \n")})
(?::(?<port>\d*+))?
)
(?<path-abempty>(?:/\g<seg>*+)?)
| (?<path-absolute>/((?!/)\g<seg>++)?)
| (?<path-rootless>(?!/)\g<seg>++)
| (?<path-empty>)
)
(?:\?(?<query>[^\#]*+))?
(?:\#(?<fragment>#{FRAGMENT}))?
)\z]x
RFC3986_relative_ref = %r[\A
(?<seg>#{SEG}){0}
(?<relative-ref>
(?<relative-part>//
(?<authority>
(?:(?<userinfo>#{USERINFO.source})@)?
(?<host>#{HOST.source.delete(" \n")}(?<!/))?
(?::(?<port>\d*+))?
)
(?<path-abempty>(?:/\g<seg>*+)?)
| (?<path-absolute>/\g<seg>*+)
| (?<path-noscheme>#{SEG_NC}++(?:/\g<seg>*+)?)
| (?<path-empty>)
)
(?:\?(?<query>[^#]*+))?
(?:\#(?<fragment>#{FRAGMENT}))?
)\z]x
attr_reader :regexp
def initialize
@regexp = default_regexp.each_value(&:freeze).freeze
end
def split(uri) #:nodoc:
begin
uri = uri.to_str
rescue NoMethodError
raise InvalidURIError, "bad URI (is not URI?): #{uri.inspect}"
end
uri.ascii_only? or
raise InvalidURIError, "URI must be ascii only #{uri.dump}"
if m = RFC3986_URI.match(uri)
query = m["query"]
scheme = m["scheme"]
opaque = m["path-rootless"]
if opaque
opaque << "?#{query}" if query
[ scheme,
nil, # userinfo
nil, # host
nil, # port
nil, # registry
nil, # path
opaque,
nil, # query
m["fragment"]
]
else # normal
[ scheme,
m["userinfo"],
m["host"],
m["port"],
nil, # registry
(m["path-abempty"] ||
m["path-absolute"] ||
m["path-empty"]),
nil, # opaque
query,
m["fragment"]
]
end
elsif m = RFC3986_relative_ref.match(uri)
[ nil, # scheme
m["userinfo"],
m["host"],
m["port"],
nil, # registry,
(m["path-abempty"] ||
m["path-absolute"] ||
m["path-noscheme"] ||
m["path-empty"]),
nil, # opaque
m["query"],
m["fragment"]
]
else
raise InvalidURIError, "bad URI (is not URI?): #{uri.inspect}"
end
end
def parse(uri) # :nodoc:
URI.for(*self.split(uri), self)
end
def join(*uris) # :nodoc:
uris[0] = convert_to_uri(uris[0])
uris.inject :merge
end
# Compatibility for RFC2396 parser
def extract(str, schemes = nil, &block) # :nodoc:
warn "URI::RFC3986_PARSER.extract is obsolete. Use URI::RFC2396_PARSER.extract explicitly.", uplevel: 1 if $VERBOSE
RFC2396_PARSER.extract(str, schemes, &block)
end
# Compatibility for RFC2396 parser
def make_regexp(schemes = nil) # :nodoc:
warn "URI::RFC3986_PARSER.make_regexp is obsolete. Use URI::RFC2396_PARSER.make_regexp explicitly.", uplevel: 1 if $VERBOSE
RFC2396_PARSER.make_regexp(schemes)
end
# Compatibility for RFC2396 parser
def escape(str, unsafe = nil) # :nodoc:
warn "URI::RFC3986_PARSER.escape is obsolete. Use URI::RFC2396_PARSER.escape explicitly.", uplevel: 1 if $VERBOSE
unsafe ? RFC2396_PARSER.escape(str, unsafe) : RFC2396_PARSER.escape(str)
end
# Compatibility for RFC2396 parser
def unescape(str, escaped = nil) # :nodoc:
warn "URI::RFC3986_PARSER.unescape is obsolete. Use URI::RFC2396_PARSER.unescape explicitly.", uplevel: 1 if $VERBOSE
escaped ? RFC2396_PARSER.unescape(str, escaped) : RFC2396_PARSER.unescape(str)
end
@@to_s = Kernel.instance_method(:to_s)
if @@to_s.respond_to?(:bind_call)
def inspect
@@to_s.bind_call(self)
end
else
def inspect
@@to_s.bind(self).call
end
end
private
def default_regexp # :nodoc:
{
SCHEME: %r[\A#{SCHEME}\z]o,
USERINFO: %r[\A#{USERINFO}\z]o,
HOST: %r[\A#{HOST}\z]o,
ABS_PATH: %r[\A/#{SEG}*+\z]o,
REL_PATH: %r[\A(?!/)#{SEG}++\z]o,
QUERY: %r[\A(?:%\h\h|[!$&-.0-9:;=@A-Z_a-z~/?])*+\z],
FRAGMENT: %r[\A#{FRAGMENT}\z]o,
OPAQUE: %r[\A(?:[^/].*)?\z],
PORT: /\A[\x09\x0a\x0c\x0d ]*+\d*[\x09\x0a\x0c\x0d ]*\z/,
}
end
def convert_to_uri(uri)
if uri.is_a?(URI::Generic)
uri
elsif uri = String.try_convert(uri)
parse(uri)
else
raise ArgumentError,
"bad argument (expected URI object or URI string)"
end
end
end # class Parser
end # module URI
|
