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05e476c941
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2934 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
1149 lines
20 KiB
Ruby
1149 lines
20 KiB
Ruby
#
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# $Id$
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#
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# Copyright (c) 2001 akira yamada <akira@ruby-lang.org>
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# You can redistribute it and/or modify it under the same term as Ruby.
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#
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require 'uri/common'
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module URI
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=begin
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== URI::Generic
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=== Super Class
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Object
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=end
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class Generic
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include REGEXP
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=begin
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=== Class Methods
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--- URI::Generic::default_port
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=end
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DEFAULT_PORT = nil
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def self.default_port
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self::DEFAULT_PORT
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end
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def default_port
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self.class.default_port
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end
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=begin
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--- URI::Generic::component
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=end
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COMPONENT = [
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:scheme,
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:userinfo, :host, :port, :registry,
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:path, :opaque,
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:query,
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:fragment
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].freeze
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def self.component
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self::COMPONENT
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end
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=begin
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--- URI::Generic::use_registry
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=end
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USE_REGISTRY = false
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def self.use_registry
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self::USE_REGISTRY
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end
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=begin
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--- URI::Generic::build2
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At first, try to create a new URI::Generic object using
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URI::Generic::build. But, if you get a exception
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URI::InvalidComponentError, then re-try to create an object with
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escaped components.
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--- URI::Generic::build
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Create a new URI::Generic object from components of URI::Generic
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with check. It is scheme, userinfo, host, port, registry, path,
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opaque, query and fragment. It provided by an Array of a Hash.
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--- URI::Generic::new
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Create new URI::Generic object from ``generic'' components with no
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check.
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=end
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def self.build2(args)
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begin
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return self.build(args)
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rescue InvalidComponentError
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if args.kind_of?(Array)
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return self.build(args.collect{|x|
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if x
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URI.escape(x)
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else
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x
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end
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})
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elsif args.kind_of?(Hash)
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tmp = {}
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args.each do |key, value|
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tmp[key] = if value
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URI.escape(value)
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else
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value
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end
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end
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return self.build(tmp)
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end
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end
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end
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def self.build(args)
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if args.kind_of?(Array) &&
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args.size == ::URI::Generic::COMPONENT.size
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tmp = args
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elsif args.kind_of?(Hash)
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tmp = ::URI::Generic::COMPONENT.collect do |c|
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if args.include?(c)
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args[c]
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else
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nil
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end
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end
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else
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raise ArgumentError,
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"expected Array of or Hash of components of #{self.class} (#{self.class.component.join(', ')})"
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end
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tmp << true
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return self.new(*tmp)
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end
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def initialize(scheme,
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userinfo, host, port, registry,
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path, opaque,
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query,
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fragment,
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arg_check = false)
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@scheme = nil
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@user = nil
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@password = nil
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@host = nil
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@port = nil
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@path = nil
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@query = nil
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@opaque = nil
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@registry = nil
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@fragment = nil
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if arg_check
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self.scheme = scheme
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self.userinfo = userinfo
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self.host = host
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self.port = port
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self.path = path
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self.query = query
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self.opaque = opaque
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self.registry = registry
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self.fragment = fragment
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else
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self.set_scheme(scheme)
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self.set_userinfo(userinfo)
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self.set_host(host)
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self.set_port(port)
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self.set_path(path)
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self.set_query(query)
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self.set_opaque(opaque)
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self.set_registry(registry)
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self.set_fragment(fragment)
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end
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if @registry && !self.class.use_registry
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raise InvalidURIError, "the scheme #{@scheme} does not accept registry part: #{@registry} (or bad hostname?)"
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end
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@scheme.freeze if @scheme
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self.set_path('') if !@path && !@opaque # (see RFC2396 Section 5.2)
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self.set_port(self.default_port) if self.default_port && !@port
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end
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attr_reader :scheme
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attr_reader :host
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attr_reader :port
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attr_reader :registry
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attr_reader :path
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attr_reader :query
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attr_reader :opaque
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attr_reader :fragment
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# replace self by other URI object
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def replace!(oth)
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if self.class != oth.class
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raise ArgumentError, "expected #{self.class} object"
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end
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component.each do |c|
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self.__send__("#{c}=", oth.__send__(c))
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end
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end
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private :replace!
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=begin
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=== Instance Methods
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=end
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=begin
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--- URI::Generic#component
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=end
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def component
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self.class.component
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end
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# set_XXX method sets value to @XXX instance variable with no check,
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# so be careful if you use these methods. or, you use these method
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# with check_XXX method, or you use XXX= methods.
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=begin
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--- URI::Generic#scheme
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--- URI::Generic#scheme=(v)
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=end
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#
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# methods for scheme
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#
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def check_scheme(v)
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if v && SCHEME !~ v
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raise InvalidComponentError,
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"bad component(expected scheme component): #{v}"
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end
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return true
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end
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private :check_scheme
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def set_scheme(v)
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@scheme = v
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end
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protected :set_scheme
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def scheme=(v)
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check_scheme(v)
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set_scheme(v)
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end
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=begin
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--- URI::Generic#userinfo
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--- URI::Generic#userinfo=(v)
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--- URI::Generic#user
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--- URI::Generic#user=(v)
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--- URI::Generic#password
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--- URI::Generic#password=(v)
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=end
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#
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# methods for userinfo
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#
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def check_userinfo(user, password = nil)
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if (user || password) &&
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(@registry || @opaque)
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raise InvalidURIError,
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"can not set userinfo with registry or opaque"
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end
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if !password
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user, password = split_userinfo(user)
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end
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check_user(user)
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check_password(password)
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return true
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end
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private :check_userinfo
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def check_user(v)
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return v unless v
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if USERINFO !~ v
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raise InvalidComponentError,
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"bad component(expected userinfo component or user component): #{v}"
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end
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return true
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end
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private :check_user
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def check_password(v)
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return v unless v
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if !@password
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raise InvalidURIError,
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"password component depends user component"
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end
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if USERINFO !~ v
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raise InvalidComponentError,
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"bad component(expected user component): #{v}"
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end
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return true
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end
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private :check_password
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def userinfo=(userinfo)
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if userinfo.nil?
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return nil
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end
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check_userinfo(*userinfo)
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set_userinfo(*userinfo)
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end
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def user=(user)
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check_user(user)
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set_user(user)
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end
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def password=(password)
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check_password(password)
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set_password(password)
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end
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def set_userinfo(user, password = nil)
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unless password
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user, password = split_userinfo(user)
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end
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@user = user
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@password = password if password
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[@user, @password]
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end
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protected :set_userinfo
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def set_user(v)
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set_userinfo(v, @password)
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v
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end
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protected :set_user
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def set_password(v)
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set_userinfo(@user, v)
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v
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end
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protected :set_password
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def split_userinfo(ui)
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return nil, nil unless ui
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tmp = ui.index(':')
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if tmp
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user = ui[0..tmp - 1]
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password = ui[tmp + 1..-1]
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else
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user = ui
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password = nil
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end
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return user, password
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end
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private :split_userinfo
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def escape_userpass(v)
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v = URI.escape(v, /[@:\/]/o) # RFC 1738 section 3.1 #/
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end
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private :escape_userpass
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def userinfo
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if !@password
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@user
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else
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@user + ':' + @password
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end
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end
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def user
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@user
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end
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def password
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@password
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end
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=begin
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--- URI::Generic#host
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--- URI::Generic#host=(v)
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=end
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#
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# methods for host
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#
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def check_host(v)
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return v unless v
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if @registry || @opaque
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raise InvalidURIError,
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"can not set host with registry or opaque"
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elsif HOST !~ v
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raise InvalidComponentError,
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"bad component(expected host component): #{v}"
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end
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return true
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end
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private :check_host
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def set_host(v)
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@host = v
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end
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protected :set_host
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def host=(v)
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check_host(v)
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set_host(v)
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end
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=begin
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--- URI::Generic#port
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--- URI::Generic#port=(v)
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=end
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#
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# methods for port
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#
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def check_port(v)
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return v unless v
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if @registry || @opaque
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raise InvalidURIError,
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"can not set port with registry or opaque"
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elsif !v.kind_of?(Fixnum) && PORT !~ v
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raise InvalidComponentError,
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"bad component(expected port component): #{v}"
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end
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return true
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end
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private :check_port
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def set_port(v)
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unless !v || v.kind_of?(Fixnum)
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if v.empty?
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v = nil
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else
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v = v.to_i
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end
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end
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@port = v
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end
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protected :set_port
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def port=(v)
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check_port(v)
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set_port(v)
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end
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=begin
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--- URI::Generic#registry
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--- URI::Generic#registry=(v)
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=end
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#
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# methods for registry
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#
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def check_registry(v)
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return v unless v
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# raise if both server and registry are not nil, because:
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# authority = server | reg_name
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# server = [ [ userinfo "@" ] hostport ]
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if @host || @port || @user # userinfo = @user + ':' + @password
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raise InvalidURIError,
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"can not set registry with host, port, or userinfo"
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elsif v && REGISTRY !~ v
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raise InvalidComponentError,
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"bad component(expected registry component): #{v}"
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end
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return true
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end
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private :check_registry
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def set_registry(v)
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@registry = v
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end
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protected :set_registry
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def registry=(v)
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check_registry(v)
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set_registry(v)
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end
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=begin
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--- URI::Generic#path
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--- URI::Generic#path=(v)
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=end
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#
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# methods for path
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#
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def check_path(v)
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# raise if both hier and opaque are not nil, because:
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# absoluteURI = scheme ":" ( hier_part | opaque_part )
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# hier_part = ( net_path | abs_path ) [ "?" query ]
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if v && @opaque
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raise InvalidURIError,
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"path conflicts with opaque"
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end
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if @scheme
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if v && v != '' && ABS_PATH !~ v
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raise InvalidComponentError,
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"bad component(expected absolute path component): #{v}"
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end
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else
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if v && v != '' && ABS_PATH !~ v && REL_PATH !~ v
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raise InvalidComponentError,
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"bad component(expected relative path component): #{v}"
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end
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end
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return true
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end
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private :check_path
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def set_path(v)
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@path = v
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end
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protected :set_path
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def path=(v)
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check_path(v)
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set_path(v)
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end
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=begin
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--- URI::Generic#query
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--- URI::Generic#query=(v)
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=end
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#
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# methods for query
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#
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def check_query(v)
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return v unless v
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# raise if both hier and opaque are not nil, because:
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# absoluteURI = scheme ":" ( hier_part | opaque_part )
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# hier_part = ( net_path | abs_path ) [ "?" query ]
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if @opaque
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raise InvalidURIError,
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"query conflicts with opaque"
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end
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if v && v != '' && QUERY !~ v
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raise InvalidComponentError,
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"bad component(expected query component): #{v}"
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end
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return true
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end
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private :check_query
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def set_query(v)
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@query = v
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end
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protected :set_query
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def query=(v)
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check_query(v)
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set_query(v)
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end
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=begin
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--- URI::Generic#opaque
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--- URI::Generic#opaque=(v)
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=end
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#
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# methods for opaque
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#
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def check_opaque(v)
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return v unless v
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# raise if both hier and opaque are not nil, because:
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# absoluteURI = scheme ":" ( hier_part | opaque_part )
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# hier_part = ( net_path | abs_path ) [ "?" query ]
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if @host || @port || @usr || @path # userinfo = @user + ':' + @password
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raise InvalidURIError,
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"can not set opaque with host, port, userinfo or path"
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elsif v && OPAQUE !~ v
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raise InvalidComponentError,
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"bad component(expected opaque component): #{v}"
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end
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return true
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end
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private :check_opaque
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def set_opaque(v)
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@opaque = v
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end
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protected :set_opaque
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def opaque=(v)
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check_opaque(v)
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set_opaque(v)
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end
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|
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=begin
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|
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--- URI::Generic#fragment
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--- URI::Generic#fragment=(v)
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=end
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#
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# methods for fragment
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#
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def check_fragment(v)
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return v unless v
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if v && v != '' && FRAGMENT !~ v
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raise InvalidComponentError,
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"bad component(expected fragment component): #{v}"
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end
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return true
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end
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private :check_fragment
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def set_fragment(v)
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@fragment = v
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end
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protected :set_fragment
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def fragment=(v)
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check_fragment(v)
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set_fragment(v)
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end
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|
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=begin
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|
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--- URI::Generic#hierarchical?
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=end
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def hierarchical?
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if @path
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true
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else
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false
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end
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end
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|
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=begin
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|
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--- URI::Generic#absolute?
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|
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=end
|
|
def absolute?
|
|
if @scheme
|
|
true
|
|
else
|
|
false
|
|
end
|
|
end
|
|
alias absolute absolute?
|
|
|
|
=begin
|
|
|
|
--- URI::Generic#relative?
|
|
|
|
=end
|
|
def relative?
|
|
!absolute?
|
|
end
|
|
|
|
=begin
|
|
|
|
--- URI::Generic#merge(rel)
|
|
--- URI::Generic#merge!(rel)
|
|
--- URI::Generic#+(rel)
|
|
|
|
=end
|
|
def split_path(path)
|
|
path.split(%r{/+}, -1)
|
|
end
|
|
private :split_path
|
|
|
|
def merge_path(base, rel)
|
|
# RFC2396, Section 5.2, 5)
|
|
if rel[0] == ?/ #/
|
|
# RFC2396, Section 5.2, 5)
|
|
return rel
|
|
|
|
else
|
|
# RFC2396, Section 5.2, 6)
|
|
base_path = split_path(base)
|
|
rel_path = split_path(rel)
|
|
|
|
if base_path.empty?
|
|
base_path = [''] # XXX
|
|
end
|
|
|
|
# RFC2396, Section 5.2, 6), a)
|
|
base_path.pop unless base_path.size == 1
|
|
|
|
# RFC2396, Section 5.2, 6), c)
|
|
# RFC2396, Section 5.2, 6), d)
|
|
rel_path.push('') if 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 = true
|
|
while x = tmp.shift
|
|
if x == '..' && base_path.size > 1
|
|
# RFC2396, Section 4
|
|
# a .. or . in an absolute path has no special meaning
|
|
base_path.pop
|
|
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
|
|
end
|
|
private :merge_path
|
|
|
|
def merge!(oth)
|
|
t = merge(oth)
|
|
if self == t
|
|
nil
|
|
else
|
|
replace!(t)
|
|
self
|
|
end
|
|
end
|
|
|
|
# abs(self) + rel(oth) => abs(new)
|
|
def merge(oth)
|
|
base, rel = merge0(oth)
|
|
if base == rel
|
|
return base
|
|
end
|
|
|
|
authority = rel.userinfo || rel.host || rel.port
|
|
|
|
# RFC2396, Section 5.2, 2)
|
|
if rel.path.empty? && !authority && !rel.query
|
|
base.set_fragment(rel.fragment) if rel.fragment
|
|
return base
|
|
end
|
|
|
|
base.set_query(nil)
|
|
base.set_fragment(nil)
|
|
|
|
# RFC2396, Section 5.2, 4)
|
|
if !authority
|
|
base.set_path(merge_path(base.path, rel.path))
|
|
else
|
|
# RFC2396, Section 5.2, 4)
|
|
base.set_path(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.set_query(rel.query) if rel.query
|
|
base.set_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)
|
|
case oth
|
|
when Generic
|
|
when String
|
|
oth = URI.parse(oth)
|
|
else
|
|
raise ArgumentError,
|
|
"bad argument(expected URI object or URI string)"
|
|
end
|
|
|
|
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.hierarchical?
|
|
raise BadURIError,
|
|
"not hierarchical URI: #{self}"
|
|
elsif !oth.hierarchical?
|
|
raise BadURIError,
|
|
"not hierarchical URI: #{oth}"
|
|
end
|
|
|
|
if self.absolute?
|
|
return self.dup, oth
|
|
else
|
|
return oth, oth
|
|
end
|
|
end
|
|
private :merge0
|
|
|
|
=begin
|
|
|
|
--- URI::Generic#route_from(src)
|
|
--- URI::Generic#-(src)
|
|
|
|
=end
|
|
def route_from_path(src, dst)
|
|
# RFC2396, Section 4.2
|
|
return '' if src == dst
|
|
|
|
src_path = split_path(src)
|
|
dst_path = split_path(dst)
|
|
|
|
# hmm... dst has abnormal absolute path,
|
|
# like "/./", "/../", "/x/../", ...
|
|
if dst_path.include?('..') ||
|
|
dst_path.include?('.')
|
|
return dst.dup
|
|
end
|
|
|
|
src_path.pop
|
|
|
|
# discard same parts
|
|
while dst_path.first == src_path.first
|
|
break if dst_path.empty?
|
|
|
|
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
|
|
|
|
def route_from0(oth)
|
|
case oth
|
|
when Generic
|
|
when String
|
|
oth = URI.parse(oth)
|
|
else
|
|
raise ArgumentError,
|
|
"bad argument(expected URI object or URI string)"
|
|
end
|
|
|
|
if self.relative?
|
|
raise BadURIError,
|
|
"relative URI: #{self}"
|
|
end
|
|
if oth.relative?
|
|
raise BadURIError,
|
|
"relative URI: #{oth}"
|
|
end
|
|
|
|
if !self.hierarchical? || !oth.hierarchical?
|
|
return self, self.dup
|
|
end
|
|
|
|
if self.scheme != oth.scheme
|
|
return oth, oth.dup
|
|
end
|
|
rel = URI::Generic.new(nil, # it is relative URI
|
|
self.userinfo, self.host, self.port,
|
|
self.registry, self.path, self.opaque,
|
|
self.query, self.fragment)
|
|
|
|
if rel.userinfo != oth.userinfo ||
|
|
rel.host != oth.host ||
|
|
rel.port != oth.port
|
|
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 == oth.path
|
|
rel.set_path('')
|
|
rel.set_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
|
|
|
|
# calculate relative path from oth to self
|
|
def route_from(oth)
|
|
# you can modify `rel', but can not `oth'.
|
|
oth, rel = route_from0(oth)
|
|
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
|
|
# abs1 - abs2 => relative_path_to_abs1_from_abs2
|
|
# (see http://www.nikonet.or.jp/spring/what_v/what_v_4.htm :-)
|
|
alias - route_from
|
|
|
|
=begin
|
|
|
|
--- URI::Generic#route_to(dst)
|
|
|
|
=end
|
|
# calculate relative path to oth from self
|
|
def route_to(oth)
|
|
case oth
|
|
when Generic
|
|
when String
|
|
oth = URI.parse(oth)
|
|
else
|
|
raise ArgumentError,
|
|
"bad argument(expected URI object or URI string)"
|
|
end
|
|
|
|
oth.route_from(self)
|
|
end
|
|
|
|
=begin
|
|
|
|
--- URI::Generic#normalize
|
|
--- URI::Generic#normalize!
|
|
|
|
=end
|
|
def normalize
|
|
uri = dup
|
|
uri.normalize!
|
|
uri
|
|
end
|
|
|
|
def normalize!
|
|
if path && path == ''
|
|
set_path('/')
|
|
end
|
|
if host && host != host.downcase
|
|
set_host(self.host.downcase)
|
|
end
|
|
end
|
|
|
|
=begin
|
|
|
|
--- URI::Generic#to_s
|
|
|
|
=end
|
|
def path_query
|
|
str = @path
|
|
if @query
|
|
str += '?' + @query
|
|
end
|
|
str
|
|
end
|
|
private :path_query
|
|
|
|
def to_str
|
|
str = ''
|
|
if @scheme
|
|
str << @scheme
|
|
str << ':'
|
|
end
|
|
|
|
if @opaque
|
|
str << @opaque
|
|
|
|
else
|
|
if @registry
|
|
str << @registry
|
|
else
|
|
if @host
|
|
str << '//'
|
|
end
|
|
if self.userinfo
|
|
str << self.userinfo
|
|
str << '@'
|
|
end
|
|
if @host
|
|
str << @host
|
|
end
|
|
if @port && @port != self.default_port
|
|
str << ':'
|
|
str << @port.to_s
|
|
end
|
|
end
|
|
|
|
str << path_query
|
|
end
|
|
|
|
if @fragment
|
|
str << '#'
|
|
str << @fragment
|
|
end
|
|
|
|
str
|
|
end
|
|
|
|
def to_s
|
|
to_str
|
|
end
|
|
|
|
=begin
|
|
|
|
--- URI::Generic#==(oth)
|
|
|
|
=end
|
|
def ==(oth)
|
|
if oth.kind_of?(String)
|
|
oth = URI.parse(oth)
|
|
end
|
|
|
|
if self.class == oth.class
|
|
self.normalize.to_ary == oth.normalize.to_ary
|
|
else
|
|
false
|
|
end
|
|
end
|
|
|
|
=begin
|
|
|
|
--- URI::Generic#===(oth)
|
|
|
|
=end
|
|
# def ===(oth)
|
|
# raise NotImplementedError
|
|
# end
|
|
|
|
=begin
|
|
--- URI::Generic#to_a
|
|
=end
|
|
def to_ary
|
|
component.collect do |x|
|
|
self.send(x)
|
|
end
|
|
end
|
|
|
|
def to_a
|
|
to_ary
|
|
end
|
|
|
|
=begin
|
|
--- URI::Generic#select(*components)
|
|
=end
|
|
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
|
|
|
|
=begin
|
|
=end
|
|
def inspect
|
|
sprintf("#<%s:0x%x URL:%s>", self.class.to_s, self.id, self.to_s)
|
|
end
|
|
|
|
=begin
|
|
=end
|
|
def coerce(oth)
|
|
case oth
|
|
when String
|
|
oth = URI.parse(oth)
|
|
else
|
|
super
|
|
end
|
|
|
|
return oth, self
|
|
end
|
|
end # Generic
|
|
end # URI
|