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@@ -0,0 +1,183 @@
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# frozen_string_literal: true
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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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HOST = %r[
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(?<IP-literal>\[(?:
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(?<IPv6address>
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(?:\h{1,4}:){6}
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(?<ls32>\h{1,4}:\h{1,4}
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| (?<IPv4address>(?<dec-octet>[1-9]\d|1\d{2}|2[0-4]\d|25[0-5]|\d)
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\.\g<dec-octet>\.\g<dec-octet>\.\g<dec-octet>)
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)
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| ::(?:\h{1,4}:){5}\g<ls32>
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| \h{1,4}?::(?:\h{1,4}:){4}\g<ls32>
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| (?:(?:\h{1,4}:)?\h{1,4})?::(?:\h{1,4}:){3}\g<ls32>
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| (?:(?:\h{1,4}:){,2}\h{1,4})?::(?:\h{1,4}:){2}\g<ls32>
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| (?:(?:\h{1,4}:){,3}\h{1,4})?::\h{1,4}:\g<ls32>
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| (?:(?:\h{1,4}:){,4}\h{1,4})?::\g<ls32>
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| (?:(?:\h{1,4}:){,5}\h{1,4})?::\h{1,4}
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| (?:(?:\h{1,4}:){,6}\h{1,4})?::
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)
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| (?<IPvFuture>v\h++\.[!$&-.0-9:;=A-Z_a-z~]++)
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)\])
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| \g<IPv4address>
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| (?<reg-name>(?:%\h\h|[!$&-.0-9;=A-Z_a-z~])*+)
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]x
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USERINFO = /(?:%\h\h|[!$&-.0-9:;=A-Z_a-z~])*+/
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SCHEME = %r[[A-Za-z][+\-.0-9A-Za-z]*+].source
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SEG = %r[(?:%\h\h|[!$&-.0-9:;=@A-Z_a-z~/])].source
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SEG_NC = %r[(?:%\h\h|[!$&-.0-9;=@A-Z_a-z~])].source
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FRAGMENT = %r[(?:%\h\h|[!$&-.0-9:;=@A-Z_a-z~/?])*+].source
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RFC3986_URI = %r[\A
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(?<seg>#{SEG}){0}
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(?<URI>
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(?<scheme>#{SCHEME}):
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(?<hier-part>//
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(?<authority>
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(?:(?<userinfo>#{USERINFO.source})@)?
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(?<host>#{HOST.source.delete(" \n")})
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(?::(?<port>\d*+))?
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)
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(?<path-abempty>(?:/\g<seg>*+)?)
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| (?<path-absolute>/((?!/)\g<seg>++)?)
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| (?<path-rootless>(?!/)\g<seg>++)
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| (?<path-empty>)
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)
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(?:\?(?<query>[^\#]*+))?
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(?:\#(?<fragment>#{FRAGMENT}))?
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)\z]x
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RFC3986_relative_ref = %r[\A
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(?<seg>#{SEG}){0}
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(?<relative-ref>
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(?<relative-part>//
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(?<authority>
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(?:(?<userinfo>#{USERINFO.source})@)?
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(?<host>#{HOST.source.delete(" \n")}(?<!/))?
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(?::(?<port>\d*+))?
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)
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(?<path-abempty>(?:/\g<seg>*+)?)
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| (?<path-absolute>/\g<seg>*+)
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| (?<path-noscheme>#{SEG_NC}++(?:/\g<seg>*+)?)
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| (?<path-empty>)
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)
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(?:\?(?<query>[^#]*+))?
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(?:\#(?<fragment>#{FRAGMENT}))?
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)\z]x
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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"]
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scheme = m["scheme"]
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opaque = m["path-rootless"]
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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"]
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]
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else # normal
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[ scheme,
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m["userinfo"],
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m["host"],
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m["port"],
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nil, # registry
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(m["path-abempty"] ||
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m["path-absolute"] ||
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m["path-empty"]),
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nil, # opaque
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query,
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m["fragment"]
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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"],
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m["host"],
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m["port"],
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nil, # registry,
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(m["path-abempty"] ||
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m["path-absolute"] ||
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m["path-noscheme"] ||
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m["path-empty"]),
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nil, # opaque
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m["query"],
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m["fragment"]
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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: %r[\A#{SCHEME}\z]o,
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USERINFO: %r[\A#{USERINFO}\z]o,
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HOST: %r[\A#{HOST}\z]o,
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ABS_PATH: %r[\A/#{SEG}*+\z]o,
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REL_PATH: %r[\A(?!/)#{SEG}++\z]o,
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QUERY: %r[\A(?:%\h\h|[!$&-.0-9:;=@A-Z_a-z~/?])*+\z],
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FRAGMENT: %r[\A#{FRAGMENT}\z]o,
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OPAQUE: %r[\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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