120 lines
5.8 KiB
Ruby
120 lines
5.8 KiB
Ruby
# frozen_string_literal: false
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module URI
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class RFC3986_Parser # :nodoc:
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# URI defined in RFC3986
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RFC3986_URI = /\A(?<URI>(?<scheme>[A-Za-z][+\-.0-9A-Za-z]*):(?<hier-part>\/\/(?<authority>(?:(?<userinfo>(?:%\h\h|[!$&-.0-;=A-Z_a-z~])*)@)?(?<host>(?<IP-literal>\[(?:(?<IPv6address>(?:\h{1,4}:){6}(?<ls32>\h{1,4}:\h{1,4}|(?<IPv4address>(?<dec-octet>[1-9]\d|1\d{2}|2[0-4]\d|25[0-5]|\d)\.\g<dec-octet>\.\g<dec-octet>\.\g<dec-octet>))|::(?:\h{1,4}:){5}\g<ls32>|\h{1,4}?::(?:\h{1,4}:){4}\g<ls32>|(?:(?:\h{1,4}:)?\h{1,4})?::(?:\h{1,4}:){3}\g<ls32>|(?:(?:\h{1,4}:){,2}\h{1,4})?::(?:\h{1,4}:){2}\g<ls32>|(?:(?:\h{1,4}:){,3}\h{1,4})?::\h{1,4}:\g<ls32>|(?:(?:\h{1,4}:){,4}\h{1,4})?::\g<ls32>|(?:(?:\h{1,4}:){,5}\h{1,4})?::\h{1,4}|(?:(?:\h{1,4}:){,6}\h{1,4})?::)|(?<IPvFuture>v\h+\.[!$&-.0-;=A-Z_a-z~]+))\])|\g<IPv4address>|(?<reg-name>(?:%\h\h|[!$&-.0-9;=A-Z_a-z~])*))(?::(?<port>\d*))?)(?<path-abempty>(?:\/(?<segment>(?:%\h\h|[!$&-.0-;=@-Z_a-z~])*))*)|(?<path-absolute>\/(?:(?<segment-nz>(?:%\h\h|[!$&-.0-;=@-Z_a-z~])+)(?:\/\g<segment>)*)?)|(?<path-rootless>\g<segment-nz>(?:\/\g<segment>)*)|(?<path-empty>))(?:\?(?<query>[^#]*))?(?:\#(?<fragment>(?:%\h\h|[!$&-.0-;=@-Z_a-z~\/?])*))?)\z/
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RFC3986_relative_ref = /\A(?<relative-ref>(?<relative-part>\/\/(?<authority>(?:(?<userinfo>(?:%\h\h|[!$&-.0-;=A-Z_a-z~])*)@)?(?<host>(?<IP-literal>\[(?:(?<IPv6address>(?:\h{1,4}:){6}(?<ls32>\h{1,4}:\h{1,4}|(?<IPv4address>(?<dec-octet>[1-9]\d|1\d{2}|2[0-4]\d|25[0-5]|\d)\.\g<dec-octet>\.\g<dec-octet>\.\g<dec-octet>))|::(?:\h{1,4}:){5}\g<ls32>|\h{1,4}?::(?:\h{1,4}:){4}\g<ls32>|(?:(?:\h{1,4}:){,1}\h{1,4})?::(?:\h{1,4}:){3}\g<ls32>|(?:(?:\h{1,4}:){,2}\h{1,4})?::(?:\h{1,4}:){2}\g<ls32>|(?:(?:\h{1,4}:){,3}\h{1,4})?::\h{1,4}:\g<ls32>|(?:(?:\h{1,4}:){,4}\h{1,4})?::\g<ls32>|(?:(?:\h{1,4}:){,5}\h{1,4})?::\h{1,4}|(?:(?:\h{1,4}:){,6}\h{1,4})?::)|(?<IPvFuture>v\h+\.[!$&-.0-;=A-Z_a-z~]+))\])|\g<IPv4address>|(?<reg-name>(?:%\h\h|[!$&-.0-9;=A-Z_a-z~])+))?(?::(?<port>\d*))?)(?<path-abempty>(?:\/(?<segment>(?:%\h\h|[!$&-.0-;=@-Z_a-z~])*))*)|(?<path-absolute>\/(?:(?<segment-nz>(?:%\h\h|[!$&-.0-;=@-Z_a-z~])+)(?:\/\g<segment>)*)?)|(?<path-noscheme>(?<segment-nz-nc>(?:%\h\h|[!$&-.0-9;=@-Z_a-z~])+)(?:\/\g<segment>)*)|(?<path-empty>))(?:\?(?<query>[^#]*))?(?:\#(?<fragment>(?:%\h\h|[!$&-.0-;=@-Z_a-z~\/?])*))?)\z/
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attr_reader :regexp
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def initialize
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@regexp = default_regexp.each_value(&:freeze).freeze
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end
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def split(uri) #:nodoc:
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begin
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uri = uri.to_str
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rescue NoMethodError
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raise InvalidURIError, "bad URI(is not URI?): #{uri.inspect}"
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end
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uri.ascii_only? or
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raise InvalidURIError, "URI must be ascii only #{uri.dump}"
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if m = RFC3986_URI.match(uri)
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query = m["query".freeze]
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scheme = m["scheme".freeze]
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opaque = m["path-rootless".freeze]
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if opaque
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opaque << "?#{query}" if query
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[ scheme,
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nil, # userinfo
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nil, # host
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nil, # port
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nil, # registry
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nil, # path
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opaque,
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nil, # query
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m["fragment".freeze]
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]
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else # normal
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[ scheme,
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m["userinfo".freeze],
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m["host".freeze],
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m["port".freeze],
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nil, # registry
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(m["path-abempty".freeze] ||
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m["path-absolute".freeze] ||
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m["path-empty".freeze]),
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nil, # opaque
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query,
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m["fragment".freeze]
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]
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end
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elsif m = RFC3986_relative_ref.match(uri)
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[ nil, # scheme
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m["userinfo".freeze],
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m["host".freeze],
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m["port".freeze],
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nil, # registry,
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(m["path-abempty".freeze] ||
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m["path-absolute".freeze] ||
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m["path-noscheme".freeze] ||
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m["path-empty".freeze]),
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nil, # opaque
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m["query".freeze],
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m["fragment".freeze]
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]
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else
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raise InvalidURIError, "bad URI(is not URI?): #{uri.inspect}"
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end
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end
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def parse(uri) # :nodoc:
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URI.for(*self.split(uri), self)
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end
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def join(*uris) # :nodoc:
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uris[0] = convert_to_uri(uris[0])
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uris.inject :merge
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end
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@@to_s = Kernel.instance_method(:to_s)
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if @@to_s.respond_to?(:bind_call)
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def inspect
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@@to_s.bind_call(self)
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end
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else
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def inspect
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@@to_s.bind(self).call
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end
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end
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private
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def default_regexp # :nodoc:
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{
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SCHEME: /\A[A-Za-z][A-Za-z0-9+\-.]*\z/,
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USERINFO: /\A(?:%\h\h|[!$&-.0-;=A-Z_a-z~])*\z/,
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HOST: /\A(?:(?<IP-literal>\[(?:(?<IPv6address>(?:\h{1,4}:){6}(?<ls32>\h{1,4}:\h{1,4}|(?<IPv4address>(?<dec-octet>[1-9]\d|1\d{2}|2[0-4]\d|25[0-5]|\d)\.\g<dec-octet>\.\g<dec-octet>\.\g<dec-octet>))|::(?:\h{1,4}:){5}\g<ls32>|\h{,4}::(?:\h{1,4}:){4}\g<ls32>|(?:(?:\h{1,4}:)?\h{1,4})?::(?:\h{1,4}:){3}\g<ls32>|(?:(?:\h{1,4}:){,2}\h{1,4})?::(?:\h{1,4}:){2}\g<ls32>|(?:(?:\h{1,4}:){,3}\h{1,4})?::\h{1,4}:\g<ls32>|(?:(?:\h{1,4}:){,4}\h{1,4})?::\g<ls32>|(?:(?:\h{1,4}:){,5}\h{1,4})?::\h{1,4}|(?:(?:\h{1,4}:){,6}\h{1,4})?::)|(?<IPvFuture>v\h+\.[!$&-.0-;=A-Z_a-z~]+))\])|\g<IPv4address>|(?<reg-name>(?:%\h\h|[!$&-.0-9;=A-Z_a-z~])*))\z/,
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ABS_PATH: /\A\/(?:%\h\h|[!$&-.0-;=@-Z_a-z~])*(?:\/(?:%\h\h|[!$&-.0-;=@-Z_a-z~])*)*\z/,
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REL_PATH: /\A(?:%\h\h|[!$&-.0-;=@-Z_a-z~])+(?:\/(?:%\h\h|[!$&-.0-;=@-Z_a-z~])*)*\z/,
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QUERY: /\A(?:%\h\h|[!$&-.0-;=@-Z_a-z~\/?])*\z/,
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FRAGMENT: /\A(?:%\h\h|[!$&-.0-;=@-Z_a-z~\/?])*\z/,
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OPAQUE: /\A(?:[^\/].*)?\z/,
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PORT: /\A[\x09\x0a\x0c\x0d ]*\d*[\x09\x0a\x0c\x0d ]*\z/,
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}
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end
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def convert_to_uri(uri)
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if uri.is_a?(URI::Generic)
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uri
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elsif uri = String.try_convert(uri)
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parse(uri)
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else
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raise ArgumentError,
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"bad argument (expected URI object or URI string)"
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end
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end
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end # class Parser
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end # module URI
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