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authorJari Vetoniemi <jari.vetoniemi@indooratlas.com>2020-03-16 18:49:26 +0900
committerJari Vetoniemi <jari.vetoniemi@indooratlas.com>2020-03-30 00:39:06 +0900
commitfcbf63e62c627deae76c1b8cb8c0876c536ed811 (patch)
tree64cb17de3f41a2b6fef2368028fbd00349946994 /jni/ruby/lib/uri/generic.rb
Fresh start
Diffstat (limited to 'jni/ruby/lib/uri/generic.rb')
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diff --git a/jni/ruby/lib/uri/generic.rb b/jni/ruby/lib/uri/generic.rb
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+# = uri/generic.rb
+#
+# Author:: Akira Yamada <akira@ruby-lang.org>
+# License:: You can redistribute it and/or modify it under the same term as Ruby.
+# Revision:: $Id: generic.rb 48980 2014-12-24 23:50:37Z normal $
+#
+# See URI for general documentation
+#
+
+require 'uri/common'
+
+module URI
+
+ #
+ # Base class for all URI classes.
+ # Implements generic URI syntax as per RFC 2396.
+ #
+ class Generic
+ include URI
+
+ #
+ # A Default port of nil for URI::Generic
+ #
+ DEFAULT_PORT = nil
+
+ #
+ # Returns default port
+ #
+ def self.default_port
+ self::DEFAULT_PORT
+ end
+
+ #
+ # Returns default port
+ #
+ def default_port
+ self.class.default_port
+ end
+
+ #
+ # An Array of the available components for URI::Generic
+ #
+ COMPONENT = [
+ :scheme,
+ :userinfo, :host, :port, :registry,
+ :path, :opaque,
+ :query,
+ :fragment
+ ].freeze
+
+ #
+ # Components of the URI in the order.
+ #
+ def self.component
+ self::COMPONENT
+ end
+
+ USE_REGISTRY = false # :nodoc:
+
+ def self.use_registry # :nodoc:
+ self::USE_REGISTRY
+ end
+
+ #
+ # == Synopsis
+ #
+ # See #new
+ #
+ # == Description
+ #
+ # At first, tries to create a new URI::Generic instance using
+ # URI::Generic::build. But, if exception URI::InvalidComponentError is raised,
+ # then it URI::Escape.escape all URI components and tries again.
+ #
+ #
+ def self.build2(args)
+ begin
+ return self.build(args)
+ rescue InvalidComponentError
+ if args.kind_of?(Array)
+ return self.build(args.collect{|x|
+ if x.is_a?(String)
+ DEFAULT_PARSER.escape(x)
+ else
+ x
+ end
+ })
+ elsif args.kind_of?(Hash)
+ tmp = {}
+ args.each do |key, value|
+ tmp[key] = if value
+ DEFAULT_PARSER.escape(value)
+ else
+ value
+ end
+ end
+ return self.build(tmp)
+ end
+ end
+ end
+
+ #
+ # == Synopsis
+ #
+ # See #new
+ #
+ # == Description
+ #
+ # Creates a new URI::Generic instance from components of URI::Generic
+ # with check. Components are: scheme, userinfo, host, port, registry, path,
+ # opaque, query and fragment. You can provide arguments either by an Array or a Hash.
+ # See #new for hash keys to use or for order of array items.
+ #
+ def self.build(args)
+ if args.kind_of?(Array) &&
+ args.size == ::URI::Generic::COMPONENT.size
+ tmp = args.dup
+ elsif args.kind_of?(Hash)
+ tmp = ::URI::Generic::COMPONENT.collect do |c|
+ if args.include?(c)
+ args[c]
+ else
+ nil
+ end
+ end
+ else
+ component = self.class.component rescue ::URI::Generic::COMPONENT
+ raise ArgumentError,
+ "expected Array of or Hash of components of #{self.class} (#{component.join(', ')})"
+ end
+
+ tmp << nil
+ tmp << true
+ return self.new(*tmp)
+ end
+ #
+ # == Args
+ #
+ # +scheme+::
+ # Protocol scheme, i.e. 'http','ftp','mailto' and so on.
+ # +userinfo+::
+ # User name and password, i.e. 'sdmitry:bla'
+ # +host+::
+ # Server host name
+ # +port+::
+ # Server port
+ # +registry+::
+ # Registry of naming authorities.
+ # +path+::
+ # Path on server
+ # +opaque+::
+ # Opaque part
+ # +query+::
+ # Query data
+ # +fragment+::
+ # A part of URI after '#' sign
+ # +parser+::
+ # Parser for internal use [URI::DEFAULT_PARSER by default]
+ # +arg_check+::
+ # Check arguments [false by default]
+ #
+ # == Description
+ #
+ # Creates a new URI::Generic instance from ``generic'' components without check.
+ #
+ def initialize(scheme,
+ userinfo, host, port, registry,
+ path, opaque,
+ query,
+ fragment,
+ parser = DEFAULT_PARSER,
+ arg_check = false)
+ @scheme = nil
+ @user = nil
+ @password = nil
+ @host = nil
+ @port = nil
+ @path = nil
+ @query = nil
+ @opaque = nil
+ @fragment = nil
+ @parser = parser == DEFAULT_PARSER ? nil : parser
+
+ if arg_check
+ self.scheme = scheme
+ self.userinfo = userinfo
+ self.hostname = host
+ self.port = port
+ self.path = path
+ self.query = query
+ self.opaque = opaque
+ self.fragment = fragment
+ else
+ self.set_scheme(scheme)
+ self.set_userinfo(userinfo)
+ self.set_host(host)
+ self.set_port(port)
+ self.set_path(path)
+ self.query = query
+ self.set_opaque(opaque)
+ self.fragment=(fragment)
+ end
+ if registry
+ raise InvalidURIError,
+ "the scheme #{@scheme} does not accept registry part: #{registry} (or bad hostname?)"
+ end
+
+ @scheme.freeze if @scheme
+ self.set_path('') if !@path && !@opaque # (see RFC2396 Section 5.2)
+ self.set_port(self.default_port) if self.default_port && !@port
+ end
+
+ #
+ # returns the scheme component of the URI.
+ #
+ # URI("http://foo/bar/baz").scheme #=> "http"
+ #
+ attr_reader :scheme
+
+ # returns the host component of the URI.
+ #
+ # URI("http://foo/bar/baz").host #=> "foo"
+ #
+ # It returns nil if no host component.
+ #
+ # URI("mailto:foo@example.org").host #=> nil
+ #
+ # The component doesn't contains the port number.
+ #
+ # URI("http://foo:8080/bar/baz").host #=> "foo"
+ #
+ # Since IPv6 addresses are wrapped by brackets in URIs,
+ # this method returns IPv6 addresses wrapped by brackets.
+ # This form is not appropriate to pass socket methods such as TCPSocket.open.
+ # If unwrapped host names are required, use "hostname" method.
+ #
+ # URI("http://[::1]/bar/baz").host #=> "[::1]"
+ # URI("http://[::1]/bar/baz").hostname #=> "::1"
+ #
+ attr_reader :host
+
+ # returns the port component of the URI.
+ #
+ # URI("http://foo/bar/baz").port #=> "80"
+ #
+ # URI("http://foo:8080/bar/baz").port #=> "8080"
+ #
+ attr_reader :port
+
+ def registry # :nodoc:
+ nil
+ end
+
+ # returns the path component of the URI.
+ #
+ # URI("http://foo/bar/baz").path #=> "/bar/baz"
+ #
+ attr_reader :path
+
+ # returns the query component of the URI.
+ #
+ # URI("http://foo/bar/baz?search=FooBar").query #=> "search=FooBar"
+ #
+ attr_reader :query
+
+ # returns the opaque part of the URI.
+ #
+ # URI("mailto:foo@example.org").opaque #=> "foo@example.org"
+ #
+ # Portion of the path that does make use of the slash '/'.
+ # The path typically refers to the absolute path and the opaque part.
+ # (see RFC2396 Section 3 and 5.2)
+ #
+ attr_reader :opaque
+
+ # returns the fragment component of the URI.
+ #
+ # URI("http://foo/bar/baz?search=FooBar#ponies").fragment #=> "ponies"
+ #
+ attr_reader :fragment
+
+ # returns the parser to be used.
+ #
+ # Unless a URI::Parser is defined, then DEFAULT_PARSER is used.
+ #
+ def parser
+ if !defined?(@parser) || !@parser
+ DEFAULT_PARSER
+ else
+ @parser || DEFAULT_PARSER
+ end
+ end
+
+ # replace self by other URI object
+ def replace!(oth)
+ if self.class != oth.class
+ raise ArgumentError, "expected #{self.class} object"
+ end
+
+ component.each do |c|
+ self.__send__("#{c}=", oth.__send__(c))
+ end
+ end
+ private :replace!
+
+ #
+ # Components of the URI in the order.
+ #
+ def component
+ self.class.component
+ end
+
+ #
+ # check the scheme +v+ component against the URI::Parser Regexp for :SCHEME
+ #
+ def check_scheme(v)
+ if v && parser.regexp[:SCHEME] !~ v
+ raise InvalidComponentError,
+ "bad component(expected scheme component): #{v}"
+ end
+
+ return true
+ end
+ private :check_scheme
+
+ # protected setter for the scheme component +v+
+ #
+ # see also URI::Generic.scheme=
+ #
+ def set_scheme(v)
+ @scheme = v ? v.downcase : v
+ end
+ protected :set_scheme
+
+ #
+ # == Args
+ #
+ # +v+::
+ # String
+ #
+ # == Description
+ #
+ # public setter for the scheme component +v+.
+ # (with validation)
+ #
+ # see also URI::Generic.check_scheme
+ #
+ # == Usage
+ #
+ # require 'uri'
+ #
+ # uri = URI.parse("http://my.example.com")
+ # uri.scheme = "https"
+ # # => "https"
+ # uri
+ # #=> #<URI::HTTP:0x000000008e89e8 URL:https://my.example.com>
+ #
+ def scheme=(v)
+ check_scheme(v)
+ set_scheme(v)
+ v
+ end
+
+ #
+ # check the +user+ and +password+.
+ #
+ # If +password+ is not provided, then +user+ is
+ # split, using URI::Generic.split_userinfo, to
+ # pull +user+ and +password.
+ #
+ # see also URI::Generic.check_user, URI::Generic.check_password
+ #
+ def check_userinfo(user, password = nil)
+ if !password
+ user, password = split_userinfo(user)
+ end
+ check_user(user)
+ check_password(password, user)
+
+ return true
+ end
+ private :check_userinfo
+
+ #
+ # check the user +v+ component for RFC2396 compliance
+ # and against the URI::Parser Regexp for :USERINFO
+ #
+ # Can not have a registry or opaque component defined,
+ # with a user component defined.
+ #
+ def check_user(v)
+ if @opaque
+ raise InvalidURIError,
+ "can not set user with opaque"
+ end
+
+ return v unless v
+
+ if parser.regexp[:USERINFO] !~ v
+ raise InvalidComponentError,
+ "bad component(expected userinfo component or user component): #{v}"
+ end
+
+ return true
+ end
+ private :check_user
+
+ #
+ # check the password +v+ component for RFC2396 compliance
+ # and against the URI::Parser Regexp for :USERINFO
+ #
+ # Can not have a registry or opaque component defined,
+ # with a user component defined.
+ #
+ def check_password(v, user = @user)
+ if @opaque
+ raise InvalidURIError,
+ "can not set password with opaque"
+ end
+ return v unless v
+
+ if !user
+ raise InvalidURIError,
+ "password component depends user component"
+ end
+
+ if parser.regexp[:USERINFO] !~ v
+ raise InvalidComponentError,
+ "bad component(expected user component): #{v}"
+ end
+
+ return true
+ end
+ private :check_password
+
+ #
+ # Sets userinfo, argument is string like 'name:pass'
+ #
+ def userinfo=(userinfo)
+ if userinfo.nil?
+ return nil
+ end
+ check_userinfo(*userinfo)
+ set_userinfo(*userinfo)
+ # returns userinfo
+ end
+
+ #
+ # == Args
+ #
+ # +v+::
+ # String
+ #
+ # == Description
+ #
+ # public setter for the +user+ component.
+ # (with validation)
+ #
+ # see also URI::Generic.check_user
+ #
+ # == Usage
+ #
+ # require 'uri'
+ #
+ # uri = URI.parse("http://john:S3nsit1ve@my.example.com")
+ # uri.user = "sam"
+ # # => "sam"
+ # uri
+ # #=> #<URI::HTTP:0x00000000881d90 URL:http://sam:V3ry_S3nsit1ve@my.example.com>
+ #
+ def user=(user)
+ check_user(user)
+ set_user(user)
+ # returns user
+ end
+
+ #
+ # == Args
+ #
+ # +v+::
+ # String
+ #
+ # == Description
+ #
+ # public setter for the +password+ component.
+ # (with validation)
+ #
+ # see also URI::Generic.check_password
+ #
+ # == Usage
+ #
+ # require 'uri'
+ #
+ # uri = URI.parse("http://john:S3nsit1ve@my.example.com")
+ # uri.password = "V3ry_S3nsit1ve"
+ # # => "V3ry_S3nsit1ve"
+ # uri
+ # #=> #<URI::HTTP:0x00000000881d90 URL:http://john:V3ry_S3nsit1ve@my.example.com>
+ #
+ def password=(password)
+ check_password(password)
+ set_password(password)
+ # returns password
+ end
+
+ # protect setter for the +user+ component, and +password+ if available.
+ # (with validation)
+ #
+ # see also URI::Generic.userinfo=
+ #
+ def set_userinfo(user, password = nil)
+ unless password
+ user, password = split_userinfo(user)
+ end
+ @user = user
+ @password = password if password
+
+ [@user, @password]
+ end
+ protected :set_userinfo
+
+ # protected setter for the user component +v+
+ #
+ # see also URI::Generic.user=
+ #
+ def set_user(v)
+ set_userinfo(v, @password)
+ v
+ end
+ protected :set_user
+
+ # protected setter for the password component +v+
+ #
+ # see also URI::Generic.password=
+ #
+ def set_password(v)
+ @password = v
+ # returns v
+ end
+ protected :set_password
+
+ # returns the userinfo +ui+ as user, password
+ # if properly formatted as 'user:password'
+ def split_userinfo(ui)
+ return nil, nil unless ui
+ user, password = ui.split(':'.freeze, 2)
+
+ return user, password
+ end
+ private :split_userinfo
+
+ # escapes 'user:password' +v+ based on RFC 1738 section 3.1
+ def escape_userpass(v)
+ parser.escape(v, /[@:\/]/o) # RFC 1738 section 3.1 #/
+ end
+ private :escape_userpass
+
+ # returns the userinfo, either as 'user' or 'user:password'
+ def userinfo
+ if @user.nil?
+ nil
+ elsif @password.nil?
+ @user
+ else
+ @user + ':' + @password
+ end
+ end
+
+ # returns the user component
+ def user
+ @user
+ end
+
+ # returns the password component
+ def password
+ @password
+ end
+
+ #
+ # check the host +v+ component for RFC2396 compliance
+ # and against the URI::Parser Regexp for :HOST
+ #
+ # Can not have a registry or opaque component defined,
+ # with a host component defined.
+ #
+ def check_host(v)
+ return v unless v
+
+ if @opaque
+ raise InvalidURIError,
+ "can not set host with registry or opaque"
+ elsif parser.regexp[:HOST] !~ v
+ raise InvalidComponentError,
+ "bad component(expected host component): #{v}"
+ end
+
+ return true
+ end
+ private :check_host
+
+ # protected setter for the host component +v+
+ #
+ # see also URI::Generic.host=
+ #
+ def set_host(v)
+ @host = v
+ end
+ protected :set_host
+
+ #
+ # == Args
+ #
+ # +v+::
+ # String
+ #
+ # == Description
+ #
+ # public setter for the host component +v+.
+ # (with validation)
+ #
+ # see also URI::Generic.check_host
+ #
+ # == Usage
+ #
+ # require 'uri'
+ #
+ # uri = URI.parse("http://my.example.com")
+ # uri.host = "foo.com"
+ # # => "foo.com"
+ # uri
+ # #=> #<URI::HTTP:0x000000008e89e8 URL:http://foo.com>
+ #
+ def host=(v)
+ check_host(v)
+ set_host(v)
+ v
+ end
+
+ # extract the host part of the URI and unwrap brackets for IPv6 addresses.
+ #
+ # This method is same as URI::Generic#host except
+ # brackets for IPv6 (and future IP) addresses are removed.
+ #
+ # u = URI("http://[::1]/bar")
+ # p u.hostname #=> "::1"
+ # p u.host #=> "[::1]"
+ #
+ def hostname
+ v = self.host
+ /\A\[(.*)\]\z/ =~ v ? $1 : v
+ end
+
+ # set the host part of the URI as the argument with brackets for IPv6 addresses.
+ #
+ # This method is same as URI::Generic#host= except
+ # the argument can be bare IPv6 address.
+ #
+ # u = URI("http://foo/bar")
+ # p u.to_s #=> "http://foo/bar"
+ # u.hostname = "::1"
+ # p u.to_s #=> "http://[::1]/bar"
+ #
+ # If the argument seems IPv6 address,
+ # it is wrapped by brackets.
+ #
+ def hostname=(v)
+ v = "[#{v}]" if /\A\[.*\]\z/ !~ v && /:/ =~ v
+ self.host = v
+ end
+
+ #
+ # check the port +v+ component for RFC2396 compliance
+ # and against the URI::Parser Regexp for :PORT
+ #
+ # Can not have a registry or opaque component defined,
+ # with a port component defined.
+ #
+ def check_port(v)
+ return v unless v
+
+ if @opaque
+ raise InvalidURIError,
+ "can not set port with registry or opaque"
+ elsif !v.kind_of?(Fixnum) && parser.regexp[:PORT] !~ v
+ raise InvalidComponentError,
+ "bad component(expected port component): #{v.inspect}"
+ end
+
+ return true
+ end
+ private :check_port
+
+ # protected setter for the port component +v+
+ #
+ # see also URI::Generic.port=
+ #
+ def set_port(v)
+ v = v.empty? ? nil : v.to_i unless !v || v.kind_of?(Fixnum)
+ @port = v
+ end
+ protected :set_port
+
+ #
+ # == Args
+ #
+ # +v+::
+ # String
+ #
+ # == Description
+ #
+ # public setter for the port component +v+.
+ # (with validation)
+ #
+ # see also URI::Generic.check_port
+ #
+ # == Usage
+ #
+ # require 'uri'
+ #
+ # uri = URI.parse("http://my.example.com")
+ # uri.port = 8080
+ # # => 8080
+ # uri
+ # #=> #<URI::HTTP:0x000000008e89e8 URL:http://my.example.com:8080>
+ #
+ def port=(v)
+ check_port(v)
+ set_port(v)
+ port
+ end
+
+ def check_registry(v) # :nodoc:
+ raise InvalidURIError, "can not set registry"
+ end
+ private :check_registry
+
+ def set_registry(v) #:nodoc:
+ raise InvalidURIError, "can not set registry"
+ end
+ protected :set_registry
+
+ def registry=(v)
+ raise InvalidURIError, "can not set registry"
+ end
+
+ #
+ # check the path +v+ component for RFC2396 compliance
+ # and against the URI::Parser Regexp
+ # for :ABS_PATH and :REL_PATH
+ #
+ # Can not have a opaque component defined,
+ # with a path component defined.
+ #
+ def check_path(v)
+ # raise if both hier and opaque are not nil, because:
+ # absoluteURI = scheme ":" ( hier_part | opaque_part )
+ # hier_part = ( net_path | abs_path ) [ "?" query ]
+ if v && @opaque
+ raise InvalidURIError,
+ "path conflicts with opaque"
+ end
+
+ # If scheme is ftp, path may be relative.
+ # See RFC 1738 section 3.2.2, and RFC 2396.
+ if @scheme && @scheme != "ftp".freeze
+ if v && v != ''.freeze && parser.regexp[:ABS_PATH] !~ v
+ raise InvalidComponentError,
+ "bad component(expected absolute path component): #{v}"
+ end
+ else
+ if v && v != ''.freeze && parser.regexp[:ABS_PATH] !~ v &&
+ parser.regexp[:REL_PATH] !~ v
+ raise InvalidComponentError,
+ "bad component(expected relative path component): #{v}"
+ end
+ end
+
+ return true
+ end
+ private :check_path
+
+ # protected setter for the path component +v+
+ #
+ # see also URI::Generic.path=
+ #
+ def set_path(v)
+ @path = v
+ end
+ protected :set_path
+
+ #
+ # == Args
+ #
+ # +v+::
+ # String
+ #
+ # == Description
+ #
+ # public setter for the path component +v+.
+ # (with validation)
+ #
+ # see also URI::Generic.check_path
+ #
+ # == Usage
+ #
+ # require 'uri'
+ #
+ # uri = URI.parse("http://my.example.com/pub/files")
+ # uri.path = "/faq/"
+ # # => "/faq/"
+ # uri
+ # #=> #<URI::HTTP:0x000000008e89e8 URL:http://my.example.com/faq/>
+ #
+ def path=(v)
+ check_path(v)
+ set_path(v)
+ v
+ end
+
+ #
+ # == Args
+ #
+ # +v+::
+ # String
+ #
+ # == Description
+ #
+ # public setter for the query component +v+.
+ #
+ # == Usage
+ #
+ # require 'uri'
+ #
+ # uri = URI.parse("http://my.example.com/?id=25")
+ # uri.query = "id=1"
+ # # => "id=1"
+ # uri
+ # #=> #<URI::HTTP:0x000000008e89e8 URL:http://my.example.com/?id=1>
+ #
+ def query=(v)
+ return @query = nil unless v
+ raise InvalidURIError, "query conflicts with opaque" if @opaque
+
+ x = v.to_str
+ v = x.dup if x.equal? v
+ v.encode!(Encoding::UTF_8) rescue nil
+ v.delete!("\t\r\n".freeze)
+ v.force_encoding(Encoding::ASCII_8BIT)
+ v.gsub!(/(?!%\h\h|[!$-&(-;=?-_a-~])./n.freeze){'%%%02X'.freeze % $&.ord}
+ v.force_encoding(Encoding::US_ASCII)
+ @query = v
+ end
+
+ #
+ # check the opaque +v+ component for RFC2396 compliance and
+ # against the URI::Parser Regexp for :OPAQUE
+ #
+ # Can not have a host, port, user or path component defined,
+ # with an opaque component defined.
+ #
+ def check_opaque(v)
+ return v unless v
+
+ # raise if both hier and opaque are not nil, because:
+ # absoluteURI = scheme ":" ( hier_part | opaque_part )
+ # hier_part = ( net_path | abs_path ) [ "?" query ]
+ if @host || @port || @user || @path # userinfo = @user + ':' + @password
+ raise InvalidURIError,
+ "can not set opaque with host, port, userinfo or path"
+ elsif v && parser.regexp[:OPAQUE] !~ v
+ raise InvalidComponentError,
+ "bad component(expected opaque component): #{v}"
+ end
+
+ return true
+ end
+ private :check_opaque
+
+ # protected setter for the opaque component +v+
+ #
+ # see also URI::Generic.opaque=
+ #
+ def set_opaque(v)
+ @opaque = v
+ end
+ protected :set_opaque
+
+ #
+ # == Args
+ #
+ # +v+::
+ # String
+ #
+ # == Description
+ #
+ # public setter for the opaque component +v+.
+ # (with validation)
+ #
+ # see also URI::Generic.check_opaque
+ #
+ def opaque=(v)
+ check_opaque(v)
+ set_opaque(v)
+ v
+ end
+
+ #
+ # check the fragment +v+ component against the URI::Parser Regexp for :FRAGMENT
+ #
+ #
+ # == Args
+ #
+ # +v+::
+ # String
+ #
+ # == Description
+ #
+ # public setter for the fragment component +v+.
+ # (with validation)
+ #
+ # == Usage
+ #
+ # require 'uri'
+ #
+ # uri = URI.parse("http://my.example.com/?id=25#time=1305212049")
+ # uri.fragment = "time=1305212086"
+ # # => "time=1305212086"
+ # uri
+ # #=> #<URI::HTTP:0x000000007a81f8 URL:http://my.example.com/?id=25#time=1305212086>
+ #
+ def fragment=(v)
+ return @fragment = nil unless v
+
+ x = v.to_str
+ v = x.dup if x.equal? v
+ v.encode!(Encoding::UTF_8) rescue nil
+ v.delete!("\t\r\n".freeze)
+ v.force_encoding(Encoding::ASCII_8BIT)
+ v.gsub!(/(?!%\h\h|[!-~])./n){'%%%02X'.freeze % $&.ord}
+ v.force_encoding(Encoding::US_ASCII)
+ @fragment = v
+ end
+
+ #
+ # Checks if URI has a path
+ #
+ def hierarchical?
+ if @path
+ true
+ else
+ false
+ end
+ end
+
+ #
+ # Checks if URI is an absolute one
+ #
+ def absolute?
+ if @scheme
+ true
+ else
+ false
+ end
+ end
+ alias absolute absolute?
+
+ #
+ # Checks if URI is relative
+ #
+ def relative?
+ !absolute?
+ end
+
+ #
+ # returns an Array of the path split on '/'
+ #
+ def split_path(path)
+ path.split(%r{/+}, -1)
+ end
+ private :split_path
+
+ #
+ # Merges a base path +base+, with relative path +rel+,
+ # returns a modified base path.
+ #
+ def merge_path(base, rel)
+
+ # RFC2396, Section 5.2, 5)
+ # RFC2396, Section 5.2, 6)
+ base_path = split_path(base)
+ rel_path = split_path(rel)
+
+ # RFC2396, Section 5.2, 6), a)
+ base_path << '' if base_path.last == '..'
+ while i = base_path.index('..')
+ base_path.slice!(i - 1, 2)
+ end
+
+ if (first = rel_path.first) and first.empty?
+ base_path.clear
+ rel_path.shift
+ end
+
+ # RFC2396, Section 5.2, 6), c)
+ # RFC2396, Section 5.2, 6), d)
+ rel_path.push('') if rel_path.last == '.' || rel_path.last == '..'
+ rel_path.delete('.')
+
+ # RFC2396, Section 5.2, 6), e)
+ tmp = []
+ rel_path.each do |x|
+ if x == '..' &&
+ !(tmp.empty? || tmp.last == '..')
+ tmp.pop
+ else
+ tmp << x
+ end
+ end
+
+ add_trailer_slash = !tmp.empty?
+ if base_path.empty?
+ base_path = [''] # keep '/' for root directory
+ elsif add_trailer_slash
+ base_path.pop
+ end
+ while x = tmp.shift
+ if x == '..'
+ # RFC2396, Section 4
+ # a .. or . in an absolute path has no special meaning
+ base_path.pop if base_path.size > 1
+ else
+ # if x == '..'
+ # valid absolute (but abnormal) path "/../..."
+ # else
+ # valid absolute path
+ # end
+ base_path << x
+ tmp.each {|t| base_path << t}
+ add_trailer_slash = false
+ break
+ end
+ end
+ base_path.push('') if add_trailer_slash
+
+ return base_path.join('/')
+ end
+ private :merge_path
+
+ #
+ # == Args
+ #
+ # +oth+::
+ # URI or String
+ #
+ # == Description
+ #
+ # Destructive form of #merge
+ #
+ # == Usage
+ #
+ # require 'uri'
+ #
+ # uri = URI.parse("http://my.example.com")
+ # uri.merge!("/main.rbx?page=1")
+ # p uri
+ # # => #<URI::HTTP:0x2021f3b0 URL:http://my.example.com/main.rbx?page=1>
+ #
+ def merge!(oth)
+ t = merge(oth)
+ if self == t
+ nil
+ else
+ replace!(t)
+ self
+ end
+ end
+
+ #
+ # == Args
+ #
+ # +oth+::
+ # URI or String
+ #
+ # == Description
+ #
+ # Merges two URI's.
+ #
+ # == Usage
+ #
+ # require 'uri'
+ #
+ # uri = URI.parse("http://my.example.com")
+ # p uri.merge("/main.rbx?page=1")
+ # # => #<URI::HTTP:0x2021f3b0 URL:http://my.example.com/main.rbx?page=1>
+ #
+ def merge(oth)
+ begin
+ base, rel = merge0(oth)
+ rescue
+ raise $!.class, $!.message
+ end
+
+ if base == rel
+ return base
+ end
+
+ authority = rel.userinfo || rel.host || rel.port
+
+ # RFC2396, Section 5.2, 2)
+ if (rel.path.nil? || rel.path.empty?) && !authority && !rel.query
+ base.fragment=(rel.fragment) if rel.fragment
+ return base
+ end
+
+ base.query = nil
+ base.fragment=(nil)
+
+ # RFC2396, Section 5.2, 4)
+ if !authority
+ base.set_path(merge_path(base.path, rel.path)) if base.path && rel.path
+ else
+ # RFC2396, Section 5.2, 4)
+ base.set_path(rel.path) if rel.path
+ end
+
+ # RFC2396, Section 5.2, 7)
+ base.set_userinfo(rel.userinfo) if rel.userinfo
+ base.set_host(rel.host) if rel.host
+ base.set_port(rel.port) if rel.port
+ base.query = rel.query if rel.query
+ base.fragment=(rel.fragment) if rel.fragment
+
+ return base
+ end # merge
+ alias + merge
+
+ # return base and rel.
+ # you can modify `base', but can not `rel'.
+ def merge0(oth)
+ oth = parser.send(:convert_to_uri, oth)
+
+ if self.relative? && oth.relative?
+ raise BadURIError,
+ "both URI are relative"
+ end
+
+ if self.absolute? && oth.absolute?
+ #raise BadURIError,
+ # "both URI are absolute"
+ # hmm... should return oth for usability?
+ return oth, oth
+ end
+
+ if self.absolute?
+ return self.dup, oth
+ else
+ return oth, oth
+ end
+ end
+ private :merge0
+
+ # :stopdoc:
+ def route_from_path(src, dst)
+ case dst
+ when src
+ # RFC2396, Section 4.2
+ return ''
+ when %r{(?:\A|/)\.\.?(?:/|\z)}
+ # dst has abnormal absolute path,
+ # like "/./", "/../", "/x/../", ...
+ return dst.dup
+ end
+
+ src_path = src.scan(%r{(?:\A|[^/]+)/})
+ dst_path = dst.scan(%r{(?:\A|[^/]+)/?})
+
+ # discard same parts
+ while !dst_path.empty? && dst_path.first == src_path.first
+ src_path.shift
+ dst_path.shift
+ end
+
+ tmp = dst_path.join
+
+ # calculate
+ if src_path.empty?
+ if tmp.empty?
+ return './'
+ elsif dst_path.first.include?(':') # (see RFC2396 Section 5)
+ return './' + tmp
+ else
+ return tmp
+ end
+ end
+
+ return '../' * src_path.size + tmp
+ end
+ private :route_from_path
+ # :startdoc:
+
+ # :stopdoc:
+ def route_from0(oth)
+ oth = parser.send(:convert_to_uri, oth)
+ if self.relative?
+ raise BadURIError,
+ "relative URI: #{self}"
+ end
+ if oth.relative?
+ raise BadURIError,
+ "relative URI: #{oth}"
+ end
+
+ if self.scheme != oth.scheme
+ return self, self.dup
+ end
+ rel = URI::Generic.new(nil, # it is relative URI
+ self.userinfo, self.host, self.port,
+ nil, self.path, self.opaque,
+ self.query, self.fragment, parser)
+
+ if rel.userinfo != oth.userinfo ||
+ rel.host.to_s.downcase != oth.host.to_s.downcase ||
+ rel.port != oth.port
+
+ if self.userinfo.nil? && self.host.nil?
+ return self, self.dup
+ end
+
+ rel.set_port(nil) if rel.port == oth.default_port
+ return rel, rel
+ end
+ rel.set_userinfo(nil)
+ rel.set_host(nil)
+ rel.set_port(nil)
+
+ if rel.path && rel.path == oth.path
+ rel.set_path('')
+ rel.query = nil if rel.query == oth.query
+ return rel, rel
+ elsif rel.opaque && rel.opaque == oth.opaque
+ rel.set_opaque('')
+ rel.query = nil if rel.query == oth.query
+ return rel, rel
+ end
+
+ # you can modify `rel', but can not `oth'.
+ return oth, rel
+ end
+ private :route_from0
+ # :startdoc:
+
+ #
+ # == Args
+ #
+ # +oth+::
+ # URI or String
+ #
+ # == Description
+ #
+ # Calculates relative path from oth to self
+ #
+ # == Usage
+ #
+ # require 'uri'
+ #
+ # uri = URI.parse('http://my.example.com/main.rbx?page=1')
+ # p uri.route_from('http://my.example.com')
+ # #=> #<URI::Generic:0x20218858 URL:/main.rbx?page=1>
+ #
+ def route_from(oth)
+ # you can modify `rel', but can not `oth'.
+ begin
+ oth, rel = route_from0(oth)
+ rescue
+ raise $!.class, $!.message
+ end
+ if oth == rel
+ return rel
+ end
+
+ rel.set_path(route_from_path(oth.path, self.path))
+ if rel.path == './' && self.query
+ # "./?foo" -> "?foo"
+ rel.set_path('')
+ end
+
+ return rel
+ end
+
+ alias - route_from
+
+ #
+ # == Args
+ #
+ # +oth+::
+ # URI or String
+ #
+ # == Description
+ #
+ # Calculates relative path to oth from self
+ #
+ # == Usage
+ #
+ # require 'uri'
+ #
+ # uri = URI.parse('http://my.example.com')
+ # p uri.route_to('http://my.example.com/main.rbx?page=1')
+ # #=> #<URI::Generic:0x2020c2f6 URL:/main.rbx?page=1>
+ #
+ def route_to(oth)
+ parser.send(:convert_to_uri, oth).route_from(self)
+ end
+
+ #
+ # Returns normalized URI
+ #
+ def normalize
+ uri = dup
+ uri.normalize!
+ uri
+ end
+
+ #
+ # Destructive version of #normalize
+ #
+ def normalize!
+ if path && path.empty?
+ set_path('/')
+ end
+ if scheme && scheme != scheme.downcase
+ set_scheme(self.scheme.downcase)
+ end
+ if host && host != host.downcase
+ set_host(self.host.downcase)
+ end
+ end
+
+ #
+ # Constructs String from URI
+ #
+ def to_s
+ str = ''
+ if @scheme
+ str << @scheme
+ str << ':'.freeze
+ end
+
+ if @opaque
+ str << @opaque
+ else
+ if @host
+ str << '//'.freeze
+ end
+ if self.userinfo
+ str << self.userinfo
+ str << '@'.freeze
+ end
+ if @host
+ str << @host
+ end
+ if @port && @port != self.default_port
+ str << ':'.freeze
+ str << @port.to_s
+ end
+ str << @path
+ if @query
+ str << '?'.freeze
+ str << @query
+ end
+ end
+ if @fragment
+ str << '#'.freeze
+ str << @fragment
+ end
+ str
+ end
+
+ #
+ # Compares to URI's
+ #
+ def ==(oth)
+ if self.class == oth.class
+ self.normalize.component_ary == oth.normalize.component_ary
+ else
+ false
+ end
+ end
+
+ def hash
+ self.component_ary.hash
+ end
+
+ def eql?(oth)
+ self.class == oth.class &&
+ parser == oth.parser &&
+ self.component_ary.eql?(oth.component_ary)
+ end
+
+=begin
+
+--- URI::Generic#===(oth)
+
+=end
+# def ===(oth)
+# raise NotImplementedError
+# end
+
+=begin
+=end
+
+
+ # returns an Array of the components defined from the COMPONENT Array
+ def component_ary
+ component.collect do |x|
+ self.send(x)
+ end
+ end
+ protected :component_ary
+
+ # == Args
+ #
+ # +components+::
+ # Multiple Symbol arguments defined in URI::HTTP
+ #
+ # == Description
+ #
+ # Selects specified components from URI
+ #
+ # == Usage
+ #
+ # require 'uri'
+ #
+ # uri = URI.parse('http://myuser:mypass@my.example.com/test.rbx')
+ # p uri.select(:userinfo, :host, :path)
+ # # => ["myuser:mypass", "my.example.com", "/test.rbx"]
+ #
+ def select(*components)
+ components.collect do |c|
+ if component.include?(c)
+ self.send(c)
+ else
+ raise ArgumentError,
+ "expected of components of #{self.class} (#{self.class.component.join(', ')})"
+ end
+ end
+ end
+
+ def inspect
+ "#<#{self.class} #{self}>"
+ end
+
+ #
+ # == Args
+ #
+ # +v+::
+ # URI or String
+ #
+ # == Description
+ #
+ # attempt to parse other URI +oth+
+ # return [parsed_oth, self]
+ #
+ # == Usage
+ #
+ # require 'uri'
+ #
+ # uri = URI.parse("http://my.example.com")
+ # uri.coerce("http://foo.com")
+ # #=> [#<URI::HTTP:0x00000000bcb028 URL:http://foo.com/>, #<URI::HTTP:0x00000000d92178 URL:http://my.example.com>]
+ #
+ def coerce(oth)
+ case oth
+ when String
+ oth = parser.parse(oth)
+ else
+ super
+ end
+
+ return oth, self
+ end
+
+ # returns a proxy URI.
+ # The proxy URI is obtained from environment variables such as http_proxy,
+ # ftp_proxy, no_proxy, etc.
+ # If there is no proper proxy, nil is returned.
+ #
+ # Note that capitalized variables (HTTP_PROXY, FTP_PROXY, NO_PROXY, etc.)
+ # are examined too.
+ #
+ # But http_proxy and HTTP_PROXY is treated specially under CGI environment.
+ # It's because HTTP_PROXY may be set by Proxy: header.
+ # So HTTP_PROXY is not used.
+ # http_proxy is not used too if the variable is case insensitive.
+ # CGI_HTTP_PROXY can be used instead.
+ def find_proxy
+ raise BadURIError, "relative URI: #{self}" if self.relative?
+ name = self.scheme.downcase + '_proxy'
+ proxy_uri = nil
+ if name == 'http_proxy' && ENV.include?('REQUEST_METHOD') # CGI?
+ # HTTP_PROXY conflicts with *_proxy for proxy settings and
+ # HTTP_* for header information in CGI.
+ # So it should be careful to use it.
+ pairs = ENV.reject {|k, v| /\Ahttp_proxy\z/i !~ k }
+ case pairs.length
+ when 0 # no proxy setting anyway.
+ proxy_uri = nil
+ when 1
+ k, _ = pairs.shift
+ if k == 'http_proxy' && ENV[k.upcase] == nil
+ # http_proxy is safe to use because ENV is case sensitive.
+ proxy_uri = ENV[name]
+ else
+ proxy_uri = nil
+ end
+ else # http_proxy is safe to use because ENV is case sensitive.
+ proxy_uri = ENV.to_hash[name]
+ end
+ if !proxy_uri
+ # Use CGI_HTTP_PROXY. cf. libwww-perl.
+ proxy_uri = ENV["CGI_#{name.upcase}"]
+ end
+ elsif name == 'http_proxy'
+ unless proxy_uri = ENV[name]
+ if proxy_uri = ENV[name.upcase]
+ warn 'The environment variable HTTP_PROXY is discouraged. Use http_proxy.'
+ end
+ end
+ else
+ proxy_uri = ENV[name] || ENV[name.upcase]
+ end
+
+ if proxy_uri.nil? || proxy_uri.empty?
+ return nil
+ end
+
+ if self.hostname
+ require 'socket'
+ begin
+ addr = IPSocket.getaddress(self.hostname)
+ return nil if /\A127\.|\A::1\z/ =~ addr
+ rescue SocketError
+ end
+ end
+
+ name = 'no_proxy'
+ if no_proxy = ENV[name] || ENV[name.upcase]
+ no_proxy.scan(/([^:,]*)(?::(\d+))?/) {|host, port|
+ if /(\A|\.)#{Regexp.quote host}\z/i =~ self.host &&
+ (!port || self.port == port.to_i)
+ return nil
+ end
+ }
+ end
+ URI.parse(proxy_uri)
+ end
+ end
+end