Class: Addressable::URI

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# File 'lib/addressable/uri.rb', line 575

def self.encode(uri, return_type=String)
  return nil if uri.nil?

  begin
    uri = uri.to_str
  rescue NoMethodError, TypeError
    raise TypeError, "Can't convert #{uri.class} into String."
  end if !uri.is_a? String

  if ![String, ::Addressable::URI].include?(return_type)
    raise TypeError,
      "Expected Class (String or Addressable::URI), " +
      "got #{return_type.inspect}"
  end
  uri_object = uri.kind_of?(self) ? uri : self.parse(uri)
  encoded_uri = Addressable::URI.new(
    :scheme => self.encode_component(uri_object.scheme,
      Addressable::URI::CharacterClasses::SCHEME),
    :authority => self.encode_component(uri_object.authority,
      Addressable::URI::CharacterClasses::AUTHORITY),
    :path => self.encode_component(uri_object.path,
      Addressable::URI::CharacterClasses::PATH),
    :query => self.encode_component(uri_object.query,
      Addressable::URI::CharacterClasses::QUERY),
    :fragment => self.encode_component(uri_object.fragment,
      Addressable::URI::CharacterClasses::FRAGMENT)
  )
  if return_type == String
    return encoded_uri.to_s
  elsif return_type == ::Addressable::URI
    return encoded_uri
  end
end

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# File 'lib/addressable/uri.rb', line 700

def self.form_encode(form_values, sort=false)
  if form_values.respond_to?(:to_hash)
    form_values = form_values.to_hash.to_a
  elsif form_values.respond_to?(:to_ary)
    form_values = form_values.to_ary
  else
    raise TypeError, "Can't convert #{form_values.class} into Array."
  end

  form_values = form_values.inject([]) do |accu, (key, value)|
    if value.kind_of?(Array)
      value.each do |v|
        accu << [key.to_s, v.to_s]
      end
    else
      accu << [key.to_s, value.to_s]
    end
    accu
  end

  if sort
    # Useful for OAuth and optimizing caching systems
    form_values = form_values.sort
  end
  escaped_form_values = form_values.map do |(key, value)|
    # Line breaks are CRLF pairs
    [
      self.encode_component(
        key.gsub(/(\r\n|\n|\r)/, "\r\n"),
        CharacterClasses::UNRESERVED
      ).gsub("%20", "+"),
      self.encode_component(
        value.gsub(/(\r\n|\n|\r)/, "\r\n"),
        CharacterClasses::UNRESERVED
      ).gsub("%20", "+")
    ]
  end
  return escaped_form_values.map do |(key, value)|
    "#{key}=#{value}"
  end.join("&")
end

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# File 'lib/addressable/uri.rb', line 753

def self.form_unencode(encoded_value)
  if !encoded_value.respond_to?(:to_str)
    raise TypeError, "Can't convert #{encoded_value.class} into String."
  end
  encoded_value = encoded_value.to_str
  split_values = encoded_value.split("&").map do |pair|
    pair.split("=", 2)
  end
  return split_values.map do |(key, value)|
    [
      key ? self.unencode_component(
        key.gsub("+", "%20")).gsub(/(\r\n|\n|\r)/, "\n") : nil,
      value ? (self.unencode_component(
        value.gsub("+", "%20")).gsub(/(\r\n|\n|\r)/, "\n")) : nil
    ]
  end
end

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# File 'lib/addressable/uri.rb', line 164

def self.heuristic_parse(uri, hints={})
  # If we were given nil, return nil.
  return nil unless uri
  # If a URI object is passed, just return itself.
  return uri.dup if uri.kind_of?(self)

  # If a URI object of the Ruby standard library variety is passed,
  # convert it to a string, then parse the string.
  # We do the check this way because we don't want to accidentally
  # cause a missing constant exception to be thrown.
  if uri.class.name =~ /^URI\b/
    uri = uri.to_s
  end

  if !uri.respond_to?(:to_str)
    raise TypeError, "Can't convert #{uri.class} into String."
  end
  # Otherwise, convert to a String
  uri = uri.to_str.dup.strip
  hints = {
    :scheme => "http"
  }.merge(hints)
  case uri
  when /^http:\//i
    uri.sub!(/^http:\/+/i, "http://")
  when /^https:\//i
    uri.sub!(/^https:\/+/i, "https://")
  when /^feed:\/+http:\//i
    uri.sub!(/^feed:\/+http:\/+/i, "feed:http://")
  when /^feed:\//i
    uri.sub!(/^feed:\/+/i, "feed://")
  when %r[^file:/{4}]i
    uri.sub!(%r[^file:/+]i, "file:////")
  when %r[^file://localhost/]i
    uri.sub!(%r[^file://localhost/+]i, "file:///")
  when %r[^file:/+]i
    uri.sub!(%r[^file:/+]i, "file:///")
  when /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/
    uri.sub!(/^/, hints[:scheme] + "://")
  when /\A\d+\..*:\d+\z/
    uri = "#{hints[:scheme]}://#{uri}"
  end
  match = uri.match(URIREGEX)
  fragments = match.captures
  authority = fragments[3]
  if authority && authority.length > 0
    new_authority = authority.gsub(/\\/, '/').gsub(/ /, '%20')
    # NOTE: We want offset 4, not 3!
    offset = match.offset(4)
    uri = uri.dup
    uri[offset[0]...offset[1]] = new_authority
  end
  parsed = self.parse(uri)
  if parsed.scheme =~ /^[^\/?#\.]+\.[^\/?#]+$/
    parsed = self.parse(hints[:scheme] + "://" + uri)
  end
  if parsed.path.include?(".")
    new_host = parsed.path[/^([^\/]+\.[^\/]*)/, 1]
    if new_host
      parsed.defer_validation do
        new_path = parsed.path.sub(
          Regexp.new("^" + Regexp.escape(new_host)), EMPTY_STR)
        parsed.host = new_host
        parsed.path = new_path
        parsed.scheme = hints[:scheme] unless parsed.scheme
      end
    end
  end
  return parsed
end

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# File 'lib/addressable/uri.rb', line 1340

def self.ip_based_schemes
  return self.port_mapping.keys
end

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# File 'lib/addressable/uri.rb', line 315

def self.join(*uris)
  uri_objects = uris.collect do |uri|
    if !uri.respond_to?(:to_str)
      raise TypeError, "Can't convert #{uri.class} into String."
    end
    uri.kind_of?(self) ? uri : self.parse(uri.to_str)
  end
  result = uri_objects.shift.dup
  for uri in uri_objects
    result.join!(uri)
  end
  return result
end

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# File 'lib/addressable/uri.rb', line 514

def self.normalize_component(component, character_class=
    CharacterClasses::RESERVED + CharacterClasses::UNRESERVED,
    leave_encoded='')
  return nil if component.nil?

  begin
    component = component.to_str
  rescue NoMethodError, TypeError
    raise TypeError, "Can't convert #{component.class} into String."
  end if !component.is_a? String

  if ![String, Regexp].include?(character_class.class)
    raise TypeError,
      "Expected String or Regexp, got #{character_class.inspect}"
  end
  if character_class.kind_of?(String)
    leave_re = if leave_encoded.length > 0
      character_class = "#{character_class}%" unless character_class.include?('%')

      "|%(?!#{leave_encoded.chars.map do |char|
        seq = char.unpack('C*').map { |c| '%02x' % c }.join
        [seq.upcase, seq.downcase]
      end.flatten.join('|')})"
    end

    character_class = /[^#{character_class}]#{leave_re}/
  end
  # We can't perform regexps on invalid UTF sequences, but
  # here we need to, so switch to ASCII.
  component = component.dup
  component.force_encoding(Encoding::ASCII_8BIT)
  unencoded = self.unencode_component(component, String, leave_encoded)
  begin
    encoded = self.encode_component(
      Addressable::IDNA.unicode_normalize_kc(unencoded),
      character_class,
      leave_encoded
    )
  rescue ArgumentError
    encoded = self.encode_component(unencoded)
  end
  encoded.force_encoding(Encoding::UTF_8)
  return encoded
end

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# File 'lib/addressable/uri.rb', line 630

def self.normalized_encode(uri, return_type=String)
  begin
    uri = uri.to_str
  rescue NoMethodError, TypeError
    raise TypeError, "Can't convert #{uri.class} into String."
  end if !uri.is_a? String

  if ![String, ::Addressable::URI].include?(return_type)
    raise TypeError,
      "Expected Class (String or Addressable::URI), " +
      "got #{return_type.inspect}"
  end
  uri_object = uri.kind_of?(self) ? uri : self.parse(uri)
  components = {
    :scheme => self.unencode_component(uri_object.scheme),
    :user => self.unencode_component(uri_object.user),
    :password => self.unencode_component(uri_object.password),
    :host => self.unencode_component(uri_object.host),
    :port => (uri_object.port.nil? ? nil : uri_object.port.to_s),
    :path => self.unencode_component(uri_object.path),
    :query => self.unencode_component(uri_object.query),
    :fragment => self.unencode_component(uri_object.fragment)
  }
  components.each do |key, value|
    if value != nil
      begin
        components[key] =
          Addressable::IDNA.unicode_normalize_kc(value.to_str)
      rescue ArgumentError
        # Likely a malformed UTF-8 character, skip unicode normalization
        components[key] = value.to_str
      end
    end
  end
  encoded_uri = Addressable::URI.new(
    :scheme => self.encode_component(components[:scheme],
      Addressable::URI::CharacterClasses::SCHEME),
    :user => self.encode_component(components[:user],
      Addressable::URI::CharacterClasses::UNRESERVED),
    :password => self.encode_component(components[:password],
      Addressable::URI::CharacterClasses::UNRESERVED),
    :host => components[:host],
    :port => components[:port],
    :path => self.encode_component(components[:path],
      Addressable::URI::CharacterClasses::PATH),
    :query => self.encode_component(components[:query],
      Addressable::URI::CharacterClasses::QUERY),
    :fragment => self.encode_component(components[:fragment],
      Addressable::URI::CharacterClasses::FRAGMENT)
  )
  if return_type == String
    return encoded_uri.to_s
  elsif return_type == ::Addressable::URI
    return encoded_uri
  end
end

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# File 'lib/addressable/uri.rb', line 87

def self.parse(uri)
  # If we were given nil, return nil.
  return nil unless uri
  # If a URI object is passed, just return itself.
  return uri.dup if uri.kind_of?(self)

  # If a URI object of the Ruby standard library variety is passed,
  # convert it to a string, then parse the string.
  # We do the check this way because we don't want to accidentally
  # cause a missing constant exception to be thrown.
  if uri.class.name =~ /^URI\b/
    uri = uri.to_s
  end

  # Otherwise, convert to a String
  begin
    uri = uri.to_str
  rescue TypeError, NoMethodError
    raise TypeError, "Can't convert #{uri.class} into String."
  end if not uri.is_a? String

  # This Regexp supplied as an example in RFC 3986, and it works great.
  scan = uri.scan(URIREGEX)
  fragments = scan[0]
  scheme = fragments[1]
  authority = fragments[3]
  path = fragments[4]
  query = fragments[6]
  fragment = fragments[8]
  user = nil
  password = nil
  host = nil
  port = nil
  if authority != nil
    # The Regexp above doesn't split apart the authority.
    userinfo = authority[/^([^\[\]]*)@/, 1]
    if userinfo != nil
      user = userinfo.strip[/^([^:]*):?/, 1]
      password = userinfo.strip[/:(.*)$/, 1]
    end
    host = authority.sub(
      /^([^\[\]]*)@/, EMPTY_STR
    ).sub(
      /:([^:@\[\]]*?)$/, EMPTY_STR
    )
    port = authority[/:([^:@\[\]]*?)$/, 1]
  end
  if port == EMPTY_STR
    port = nil
  end

  return new(
    :scheme => scheme,
    :user => user,
    :password => password,
    :host => host,
    :port => port,
    :path => path,
    :query => query,
    :fragment => fragment
  )
end

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# File 'lib/addressable/uri.rb', line 1347

def self.port_mapping
  PORT_MAPPING
end

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# File 'lib/addressable/uri.rb', line 432

def self.unencode(uri, return_type=String, leave_encoded='')
  return nil if uri.nil?

  begin
    uri = uri.to_str
  rescue NoMethodError, TypeError
    raise TypeError, "Can't convert #{uri.class} into String."
  end if !uri.is_a? String
  if ![String, ::Addressable::URI].include?(return_type)
    raise TypeError,
      "Expected Class (String or Addressable::URI), " +
      "got #{return_type.inspect}"
  end
  uri = uri.dup
  # Seriously, only use UTF-8. I'm really not kidding!
  uri.force_encoding("utf-8")
  leave_encoded = leave_encoded.dup.force_encoding("utf-8")
  result = uri.gsub(/%[0-9a-f]{2}/iu) do |sequence|
    c = sequence[1..3].to_i(16).chr
    c.force_encoding("utf-8")
    leave_encoded.include?(c) ? sequence : c
  end
  result.force_encoding("utf-8")
  if return_type == String
    return result
  elsif return_type == ::Addressable::URI
    return ::Addressable::URI.parse(result)
  end
end

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# File 'lib/addressable/uri.rb', line 2191

def ===(uri)
  if uri.respond_to?(:normalize)
    uri_string = uri.normalize.to_s
  else
    begin
      uri_string = ::Addressable::URI.parse(uri).normalize.to_s
    rescue InvalidURIError, TypeError
      return false
    end
  end
  return self.normalize.to_s == uri_string
end

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# File 'lib/addressable/uri.rb', line 1853

def absolute?
  return !relative?
end

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# File 'lib/addressable/uri.rb', line 1203

def authority
  self.host && @authority ||= begin
    authority = String.new
    if self.userinfo != nil
      authority << "#{self.userinfo}@"
    end
    authority << self.host
    if self.port != nil
      authority << ":#{self.port}"
    end
    authority
  end
end

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# File 'lib/addressable/uri.rb', line 1245

def authority=(new_authority)
  if new_authority
    if !new_authority.respond_to?(:to_str)
      raise TypeError, "Can't convert #{new_authority.class} into String."
    end
    new_authority = new_authority.to_str
    new_userinfo = new_authority[/^([^\[\]]*)@/, 1]
    if new_userinfo
      new_user = new_userinfo.strip[/^([^:]*):?/, 1]
      new_password = new_userinfo.strip[/:(.*)$/, 1]
    end
    new_host = new_authority.sub(
      /^([^\[\]]*)@/, EMPTY_STR
    ).sub(
      /:([^:@\[\]]*?)$/, EMPTY_STR
    )
    new_port =
      new_authority[/:([^:@\[\]]*?)$/, 1]
  end

  # Password assigned first to ensure validity in case of nil
  self.password = defined?(new_password) ? new_password : nil
  self.user = defined?(new_user) ? new_user : nil
  self.host = defined?(new_host) ? new_host : nil
  self.port = defined?(new_port) ? new_port : nil

  # Reset dependent values
  remove_instance_variable(:@userinfo) if defined?(@userinfo)
  remove_instance_variable(:@normalized_userinfo) if defined?(@normalized_userinfo)
  remove_composite_values

  # Ensure we haven't created an invalid URI
  validate()
end

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# File 'lib/addressable/uri.rb', line 1563

def basename
  # Path cannot be nil
  return File.basename(self.path).sub(/;[^\/]*$/, EMPTY_STR)
end

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# File 'lib/addressable/uri.rb', line 1427

def default_port
  URI.port_mapping[self.scheme.strip.downcase] if self.scheme
end

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# File 'lib/addressable/uri.rb', line 2370

def defer_validation(&block)
  raise LocalJumpError, "No block given." unless block
  @validation_deferred = true
  block.call()
  @validation_deferred = false
  validate
  return nil
end

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# File 'lib/addressable/uri.rb', line 2175

def display_uri
  display_uri = self.normalize
  display_uri.host = ::Addressable::IDNA.to_unicode(display_uri.host)
  return display_uri
end

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# File 'lib/addressable/uri.rb', line 1194

def domain
  PublicSuffix.domain(self.host, ignore_private: true)
end

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# File 'lib/addressable/uri.rb', line 2245

def dup
  duplicated_uri = self.class.new(
    :scheme => self.scheme ? self.scheme.dup : nil,
    :user => self.user ? self.user.dup : nil,
    :password => self.password ? self.password.dup : nil,
    :host => self.host ? self.host.dup : nil,
    :port => self.port,
    :path => self.path ? self.path.dup : nil,
    :query => self.query ? self.query.dup : nil,
    :fragment => self.fragment ? self.fragment.dup : nil
  )
  return duplicated_uri
end

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# File 'lib/addressable/uri.rb', line 2307

def empty?
  return self.to_s.empty?
end

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# File 'lib/addressable/uri.rb', line 2227

def eql?(uri)
  return false unless uri.kind_of?(URI)
  return self.to_s == uri.to_s
end

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# File 'lib/addressable/uri.rb', line 1573

def extname
  return nil unless self.path
  return File.extname(self.basename)
end

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# File 'lib/addressable/uri.rb', line 1780

def fragment
  return defined?(@fragment) ? @fragment : nil
end

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# File 'lib/addressable/uri.rb', line 1809

def fragment=(new_fragment)
  if new_fragment && !new_fragment.respond_to?(:to_str)
    raise TypeError, "Can't convert #{new_fragment.class} into String."
  end
  @fragment = new_fragment ? new_fragment.to_str : nil

  # Reset dependent values
  remove_instance_variable(:@normalized_fragment) if defined?(@normalized_fragment)
  remove_composite_values

  # Ensure we haven't created an invalid URI
  validate()
end

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# File 'lib/addressable/uri.rb', line 827

def freeze
  self.normalized_scheme
  self.normalized_user
  self.normalized_password
  self.normalized_userinfo
  self.normalized_host
  self.normalized_port
  self.normalized_authority
  self.normalized_site
  self.normalized_path
  self.normalized_query
  self.normalized_fragment
  self.hash
  super
end

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# File 'lib/addressable/uri.rb', line 2237

def hash
  @hash ||= self.to_s.hash * -1
end

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# File 'lib/addressable/uri.rb', line 1089

def host
  return defined?(@host) ? @host : nil
end

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# File 'lib/addressable/uri.rb', line 1125

def host=(new_host)
  if new_host && !new_host.respond_to?(:to_str)
    raise TypeError, "Can't convert #{new_host.class} into String."
  end
  @host = new_host ? new_host.to_str : nil

  # Reset dependent values
  remove_instance_variable(:@authority) if defined?(@authority)
  remove_instance_variable(:@normalized_host) if defined?(@normalized_host)
  remove_composite_values

  # Ensure we haven't created an invalid URI
  validate()
end

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# File 'lib/addressable/uri.rb', line 1147

def hostname
  v = self.host
  /\A\[(.*)\]\z/ =~ v ? $1 : v
end

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# File 'lib/addressable/uri.rb', line 1159

def hostname=(new_hostname)
  if new_hostname &&
      (new_hostname.respond_to?(:ipv4?) || new_hostname.respond_to?(:ipv6?))
    new_hostname = new_hostname.to_s
  elsif new_hostname && !new_hostname.respond_to?(:to_str)
    raise TypeError, "Can't convert #{new_hostname.class} into String."
  end
  v = new_hostname ? new_hostname.to_str : nil
  v = "[#{v}]" if /\A\[.*\]\z/ !~ v && /:/ =~ v
  self.host = v
end

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# File 'lib/addressable/uri.rb', line 1413

def inferred_port
  if self.port.to_i == 0
    self.default_port
  else
    self.port.to_i
  end
end

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# File 'lib/addressable/uri.rb', line 2358

def inspect
  sprintf("#<%s:%#0x URI:%s>", URI.to_s, self.object_id, self.to_s)
end

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# File 'lib/addressable/uri.rb', line 1829

def ip_based?
  if self.scheme
    return URI.ip_based_schemes.include?(
      self.scheme.strip.downcase)
  end
  return false
end

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# File 'lib/addressable/uri.rb', line 1863

def join(uri)
  if !uri.respond_to?(:to_str)
    raise TypeError, "Can't convert #{uri.class} into String."
  end
  if !uri.kind_of?(URI)
    # Otherwise, convert to a String, then parse.
    uri = URI.parse(uri.to_str)
  end
  if uri.to_s.empty?
    return self.dup
  end

  joined_scheme = nil
  joined_user = nil
  joined_password = nil
  joined_host = nil
  joined_port = nil
  joined_path = nil
  joined_query = nil
  joined_fragment = nil

  # Section 5.2.2 of RFC 3986
  if uri.scheme != nil
    joined_scheme = uri.scheme
    joined_user = uri.user
    joined_password = uri.password
    joined_host = uri.host
    joined_port = uri.port
    joined_path = URI.normalize_path(uri.path)
    joined_query = uri.query
  else
    if uri.authority != nil
      joined_user = uri.user
      joined_password = uri.password
      joined_host = uri.host
      joined_port = uri.port
      joined_path = URI.normalize_path(uri.path)
      joined_query = uri.query
    else
      if uri.path == nil || uri.path.empty?
        joined_path = self.path
        if uri.query != nil
          joined_query = uri.query
        else
          joined_query = self.query
        end
      else
        if uri.path[0..0] == SLASH
          joined_path = URI.normalize_path(uri.path)
        else
          base_path = self.path.dup
          base_path = EMPTY_STR if base_path == nil
          base_path = URI.normalize_path(base_path)

          # Section 5.2.3 of RFC 3986
          #
          # Removes the right-most path segment from the base path.
          if base_path =~ /\//
            base_path.sub!(/\/[^\/]+$/, SLASH)
          else
            base_path = EMPTY_STR
          end

          # If the base path is empty and an authority segment has been
          # defined, use a base path of SLASH
          if base_path.empty? && self.authority != nil
            base_path = SLASH
          end

          joined_path = URI.normalize_path(base_path + uri.path)
        end
        joined_query = uri.query
      end
      joined_user = self.user
      joined_password = self.password
      joined_host = self.host
      joined_port = self.port
    end
    joined_scheme = self.scheme
  end
  joined_fragment = uri.fragment

  return self.class.new(
    :scheme => joined_scheme,
    :user => joined_user,
    :password => joined_password,
    :host => joined_host,
    :port => joined_port,
    :path => joined_path,
    :query => joined_query,
    :fragment => joined_fragment
  )
end

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# File 'lib/addressable/uri.rb', line 1966

def join!(uri)
  replace_self(self.join(uri))
end

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# File 'lib/addressable/uri.rb', line 1981

def merge(hash)
  if !hash.respond_to?(:to_hash)
    raise TypeError, "Can't convert #{hash.class} into Hash."
  end
  hash = hash.to_hash

  if hash.has_key?(:authority)
    if (hash.keys & [:userinfo, :user, :password, :host, :port]).any?
      raise ArgumentError,
        "Cannot specify both an authority and any of the components " +
        "within the authority."
    end
  end
  if hash.has_key?(:userinfo)
    if (hash.keys & [:user, :password]).any?
      raise ArgumentError,
        "Cannot specify both a userinfo and either the user or password."
    end
  end

  uri = self.class.new
  uri.defer_validation do
    # Bunch of crazy logic required because of the composite components
    # like userinfo and authority.
    uri.scheme =
      hash.has_key?(:scheme) ? hash[:scheme] : self.scheme
    if hash.has_key?(:authority)
      uri.authority =
        hash.has_key?(:authority) ? hash[:authority] : self.authority
    end
    if hash.has_key?(:userinfo)
      uri.userinfo =
        hash.has_key?(:userinfo) ? hash[:userinfo] : self.userinfo
    end
    if !hash.has_key?(:userinfo) && !hash.has_key?(:authority)
      uri.user =
        hash.has_key?(:user) ? hash[:user] : self.user
      uri.password =
        hash.has_key?(:password) ? hash[:password] : self.password
    end
    if !hash.has_key?(:authority)
      uri.host =
        hash.has_key?(:host) ? hash[:host] : self.host
      uri.port =
        hash.has_key?(:port) ? hash[:port] : self.port
    end
    uri.path =
      hash.has_key?(:path) ? hash[:path] : self.path
    uri.query =
      hash.has_key?(:query) ? hash[:query] : self.query
    uri.fragment =
      hash.has_key?(:fragment) ? hash[:fragment] : self.fragment
  end

  return uri
end

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# File 'lib/addressable/uri.rb', line 2046

def merge!(uri)
  replace_self(self.merge(uri))
end

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# File 'lib/addressable/uri.rb', line 2138

def normalize
  # This is a special exception for the frequently misused feed
  # URI scheme.
  if normalized_scheme == "feed"
    if self.to_s =~ /^feed:\/*http:\/*/
      return URI.parse(
        self.to_s[/^feed:\/*(http:\/*.*)/, 1]
      ).normalize
    end
  end

  return self.class.new(
    :scheme => normalized_scheme,
    :authority => normalized_authority,
    :path => normalized_path,
    :query => normalized_query,
    :fragment => normalized_fragment
  )
end

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# File 'lib/addressable/uri.rb', line 2164

def normalize!
  replace_self(self.normalize)
end

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# File 'lib/addressable/uri.rb', line 1221

def normalized_authority
  return nil unless self.authority
  @normalized_authority ||= begin
    authority = String.new
    if self.normalized_userinfo != nil
      authority << "#{self.normalized_userinfo}@"
    end
    authority << self.normalized_host
    if self.normalized_port != nil
      authority << ":#{self.normalized_port}"
    end
    authority
  end
  # All normalized values should be UTF-8
  if @normalized_authority
    @normalized_authority.force_encoding(Encoding::UTF_8)
  end
  @normalized_authority
end

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# File 'lib/addressable/uri.rb', line 1788

def normalized_fragment
  return nil unless self.fragment
  return @normalized_fragment if defined?(@normalized_fragment)
  @normalized_fragment ||= begin
    component = Addressable::URI.normalize_component(
      self.fragment,
      Addressable::URI::CharacterClasses::FRAGMENT
    )
    component == "" ? nil : component
  end
  # All normalized values should be UTF-8
  if @normalized_fragment
    @normalized_fragment.force_encoding(Encoding::UTF_8)
  end
  @normalized_fragment
end

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# File 'lib/addressable/uri.rb', line 1097

def normalized_host
  return nil unless self.host
  @normalized_host ||= begin
    if !self.host.strip.empty?
      result = ::Addressable::IDNA.to_ascii(
        URI.unencode_component(self.host.strip.downcase)
      )
      if result =~ /[^\.]\.$/
        # Single trailing dots are unnecessary.
        result = result[0...-1]
      end
      result = Addressable::URI.normalize_component(
        result,
        CharacterClasses::HOST)
      result
    else
      EMPTY_STR.dup
    end
  end
  # All normalized values should be UTF-8
  @normalized_host.force_encoding(Encoding::UTF_8) if @normalized_host
  @normalized_host
end

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# File 'lib/addressable/uri.rb', line 965

def normalized_password
  return nil unless self.password
  return @normalized_password if defined?(@normalized_password)
  @normalized_password ||= begin
    if self.normalized_scheme =~ /https?/ && self.password.strip.empty? &&
        (!self.user || self.user.strip.empty?)
      nil
    else
      Addressable::URI.normalize_component(
        self.password.strip,
        Addressable::URI::CharacterClasses::UNRESERVED
      )
    end
  end
  # All normalized values should be UTF-8
  if @normalized_password
    @normalized_password.force_encoding(Encoding::UTF_8)
  end
  @normalized_password
end

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# File 'lib/addressable/uri.rb', line 1510

def normalized_path
  @normalized_path ||= begin
    path = self.path.to_s
    if self.scheme == nil && path =~ NORMPATH
      # Relative paths with colons in the first segment are ambiguous.
      path = path.sub(":", "%2F")
    end
    # String#split(delimeter, -1) uses the more strict splitting behavior
    # found by default in Python.
    result = path.strip.split(SLASH, -1).map do |segment|
      Addressable::URI.normalize_component(
        segment,
        Addressable::URI::CharacterClasses::PCHAR
      )
    end.join(SLASH)

    result = URI.normalize_path(result)
    if result.empty? &&
        ["http", "https", "ftp", "tftp"].include?(self.normalized_scheme)
      result = SLASH.dup
    end
    result
  end
  # All normalized values should be UTF-8
  @normalized_path.force_encoding(Encoding::UTF_8) if @normalized_path
  @normalized_path
end