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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/common.rb
Fresh start
Diffstat (limited to 'jni/ruby/lib/uri/common.rb')
-rw-r--r--jni/ruby/lib/uri/common.rb720
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diff --git a/jni/ruby/lib/uri/common.rb b/jni/ruby/lib/uri/common.rb
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+#--
+# = uri/common.rb
+#
+# Author:: Akira Yamada <akira@ruby-lang.org>
+# Revision:: $Id: common.rb 47299 2014-08-27 12:21:41Z hsbt $
+# License::
+# You can redistribute it and/or modify it under the same term as Ruby.
+#
+# See URI for general documentation
+#
+
+require "uri/rfc2396_parser"
+require "uri/rfc3986_parser"
+
+module URI
+ REGEXP = RFC2396_REGEXP
+ Parser = RFC2396_Parser
+ RFC3986_PARSER = RFC3986_Parser.new
+
+ # URI::Parser.new
+ DEFAULT_PARSER = Parser.new
+ DEFAULT_PARSER.pattern.each_pair do |sym, str|
+ unless REGEXP::PATTERN.const_defined?(sym)
+ REGEXP::PATTERN.const_set(sym, str)
+ end
+ end
+ DEFAULT_PARSER.regexp.each_pair do |sym, str|
+ const_set(sym, str)
+ end
+
+ module Util # :nodoc:
+ def make_components_hash(klass, array_hash)
+ tmp = {}
+ if array_hash.kind_of?(Array) &&
+ array_hash.size == klass.component.size - 1
+ klass.component[1..-1].each_index do |i|
+ begin
+ tmp[klass.component[i + 1]] = array_hash[i].clone
+ rescue TypeError
+ tmp[klass.component[i + 1]] = array_hash[i]
+ end
+ end
+
+ elsif array_hash.kind_of?(Hash)
+ array_hash.each do |key, value|
+ begin
+ tmp[key] = value.clone
+ rescue TypeError
+ tmp[key] = value
+ end
+ end
+ else
+ raise ArgumentError,
+ "expected Array of or Hash of components of #{klass} (#{klass.component[1..-1].join(', ')})"
+ end
+ tmp[:scheme] = klass.to_s.sub(/\A.*::/, '').downcase
+
+ return tmp
+ end
+ module_function :make_components_hash
+ end
+
+ # module for escaping unsafe characters with codes.
+ module Escape
+ #
+ # == Synopsis
+ #
+ # URI.escape(str [, unsafe])
+ #
+ # == Args
+ #
+ # +str+::
+ # String to replaces in.
+ # +unsafe+::
+ # Regexp that matches all symbols that must be replaced with codes.
+ # By default uses <tt>REGEXP::UNSAFE</tt>.
+ # When this argument is a String, it represents a character set.
+ #
+ # == Description
+ #
+ # Escapes the string, replacing all unsafe characters with codes.
+ #
+ # == Usage
+ #
+ # require 'uri'
+ #
+ # enc_uri = URI.escape("http://example.com/?a=\11\15")
+ # p enc_uri
+ # # => "http://example.com/?a=%09%0D"
+ #
+ # p URI.unescape(enc_uri)
+ # # => "http://example.com/?a=\t\r"
+ #
+ # p URI.escape("@?@!", "!?")
+ # # => "@%3F@%21"
+ #
+ def escape(*arg)
+ warn "#{caller(1)[0]}: warning: URI.escape is obsolete" if $VERBOSE
+ DEFAULT_PARSER.escape(*arg)
+ end
+ alias encode escape
+ #
+ # == Synopsis
+ #
+ # URI.unescape(str)
+ #
+ # == Args
+ #
+ # +str+::
+ # Unescapes the string.
+ #
+ # == Usage
+ #
+ # require 'uri'
+ #
+ # enc_uri = URI.escape("http://example.com/?a=\11\15")
+ # p enc_uri
+ # # => "http://example.com/?a=%09%0D"
+ #
+ # p URI.unescape(enc_uri)
+ # # => "http://example.com/?a=\t\r"
+ #
+ def unescape(*arg)
+ warn "#{caller(1)[0]}: warning: URI.unescape is obsolete" if $VERBOSE
+ DEFAULT_PARSER.unescape(*arg)
+ end
+ alias decode unescape
+ end # module Escape
+
+ extend Escape
+ include REGEXP
+
+ @@schemes = {}
+ # Returns a Hash of the defined schemes
+ def self.scheme_list
+ @@schemes
+ end
+
+ #
+ # Base class for all URI exceptions.
+ #
+ class Error < StandardError; end
+ #
+ # Not a URI.
+ #
+ class InvalidURIError < Error; end
+ #
+ # Not a URI component.
+ #
+ class InvalidComponentError < Error; end
+ #
+ # URI is valid, bad usage is not.
+ #
+ class BadURIError < Error; end
+
+ #
+ # == Synopsis
+ #
+ # URI::split(uri)
+ #
+ # == Args
+ #
+ # +uri+::
+ # String with URI.
+ #
+ # == Description
+ #
+ # Splits the string on following parts and returns array with result:
+ #
+ # * Scheme
+ # * Userinfo
+ # * Host
+ # * Port
+ # * Registry
+ # * Path
+ # * Opaque
+ # * Query
+ # * Fragment
+ #
+ # == Usage
+ #
+ # require 'uri'
+ #
+ # p URI.split("http://www.ruby-lang.org/")
+ # # => ["http", nil, "www.ruby-lang.org", nil, nil, "/", nil, nil, nil]
+ #
+ def self.split(uri)
+ RFC3986_PARSER.split(uri)
+ end
+
+ #
+ # == Synopsis
+ #
+ # URI::parse(uri_str)
+ #
+ # == Args
+ #
+ # +uri_str+::
+ # String with URI.
+ #
+ # == Description
+ #
+ # Creates one of the URI's subclasses instance from the string.
+ #
+ # == Raises
+ #
+ # URI::InvalidURIError
+ # Raised if URI given is not a correct one.
+ #
+ # == Usage
+ #
+ # require 'uri'
+ #
+ # uri = URI.parse("http://www.ruby-lang.org/")
+ # p uri
+ # # => #<URI::HTTP:0x202281be URL:http://www.ruby-lang.org/>
+ # p uri.scheme
+ # # => "http"
+ # p uri.host
+ # # => "www.ruby-lang.org"
+ #
+ # It's recommended to first ::escape the provided +uri_str+ if there are any
+ # invalid URI characters.
+ #
+ def self.parse(uri)
+ RFC3986_PARSER.parse(uri)
+ end
+
+ #
+ # == Synopsis
+ #
+ # URI::join(str[, str, ...])
+ #
+ # == Args
+ #
+ # +str+::
+ # String(s) to work with, will be converted to RFC3986 URIs before merging.
+ #
+ # == Description
+ #
+ # Joins URIs.
+ #
+ # == Usage
+ #
+ # require 'uri'
+ #
+ # p URI.join("http://example.com/","main.rbx")
+ # # => #<URI::HTTP:0x2022ac02 URL:http://localhost/main.rbx>
+ #
+ # p URI.join('http://example.com', 'foo')
+ # # => #<URI::HTTP:0x01ab80a0 URL:http://example.com/foo>
+ #
+ # p URI.join('http://example.com', '/foo', '/bar')
+ # # => #<URI::HTTP:0x01aaf0b0 URL:http://example.com/bar>
+ #
+ # p URI.join('http://example.com', '/foo', 'bar')
+ # # => #<URI::HTTP:0x801a92af0 URL:http://example.com/bar>
+ #
+ # p URI.join('http://example.com', '/foo/', 'bar')
+ # # => #<URI::HTTP:0x80135a3a0 URL:http://example.com/foo/bar>
+ #
+ #
+ def self.join(*str)
+ RFC3986_PARSER.join(*str)
+ end
+
+ #
+ # == Synopsis
+ #
+ # URI::extract(str[, schemes][,&blk])
+ #
+ # == Args
+ #
+ # +str+::
+ # String to extract URIs from.
+ # +schemes+::
+ # Limit URI matching to a specific schemes.
+ #
+ # == Description
+ #
+ # Extracts URIs from a string. If block given, iterates through all matched URIs.
+ # Returns nil if block given or array with matches.
+ #
+ # == Usage
+ #
+ # require "uri"
+ #
+ # URI.extract("text here http://foo.example.org/bla and here mailto:test@example.com and here also.")
+ # # => ["http://foo.example.com/bla", "mailto:test@example.com"]
+ #
+ def self.extract(str, schemes = nil, &block)
+ warn "#{caller(1)[0]}: warning: URI.extract is obsolete" if $VERBOSE
+ DEFAULT_PARSER.extract(str, schemes, &block)
+ end
+
+ #
+ # == Synopsis
+ #
+ # URI::regexp([match_schemes])
+ #
+ # == Args
+ #
+ # +match_schemes+::
+ # Array of schemes. If given, resulting regexp matches to URIs
+ # whose scheme is one of the match_schemes.
+ #
+ # == Description
+ # Returns a Regexp object which matches to URI-like strings.
+ # The Regexp object returned by this method includes arbitrary
+ # number of capture group (parentheses). Never rely on it's number.
+ #
+ # == Usage
+ #
+ # require 'uri'
+ #
+ # # extract first URI from html_string
+ # html_string.slice(URI.regexp)
+ #
+ # # remove ftp URIs
+ # html_string.sub(URI.regexp(['ftp'])
+ #
+ # # You should not rely on the number of parentheses
+ # html_string.scan(URI.regexp) do |*matches|
+ # p $&
+ # end
+ #
+ def self.regexp(schemes = nil)
+ warn "#{caller(1)[0]}: warning: URI.regexp is obsolete" if $VERBOSE
+ DEFAULT_PARSER.make_regexp(schemes)
+ end
+
+ TBLENCWWWCOMP_ = {} # :nodoc:
+ 256.times do |i|
+ TBLENCWWWCOMP_[i.chr] = '%%%02X' % i
+ end
+ TBLENCWWWCOMP_[' '] = '+'
+ TBLENCWWWCOMP_.freeze
+ TBLDECWWWCOMP_ = {} # :nodoc:
+ 256.times do |i|
+ h, l = i>>4, i&15
+ TBLDECWWWCOMP_['%%%X%X' % [h, l]] = i.chr
+ TBLDECWWWCOMP_['%%%x%X' % [h, l]] = i.chr
+ TBLDECWWWCOMP_['%%%X%x' % [h, l]] = i.chr
+ TBLDECWWWCOMP_['%%%x%x' % [h, l]] = i.chr
+ end
+ TBLDECWWWCOMP_['+'] = ' '
+ TBLDECWWWCOMP_.freeze
+
+ HTML5ASCIIINCOMPAT = [Encoding::UTF_7, Encoding::UTF_16BE, Encoding::UTF_16LE,
+ Encoding::UTF_32BE, Encoding::UTF_32LE] # :nodoc:
+
+ # Encode given +str+ to URL-encoded form data.
+ #
+ # This method doesn't convert *, -, ., 0-9, A-Z, _, a-z, but does convert SP
+ # (ASCII space) to + and converts others to %XX.
+ #
+ # If +enc+ is given, convert +str+ to the encoding before percent encoding.
+ #
+ # This is an implementation of
+ # http://www.w3.org/TR/2013/CR-html5-20130806/forms.html#url-encoded-form-data
+ #
+ # See URI.decode_www_form_component, URI.encode_www_form
+ def self.encode_www_form_component(str, enc=nil)
+ str = str.to_s.dup
+ if str.encoding != Encoding::ASCII_8BIT
+ if enc && enc != Encoding::ASCII_8BIT
+ str.encode!(Encoding::UTF_8, invalid: :replace, undef: :replace)
+ str.encode!(enc, fallback: ->(x){"&#{x.ord};"})
+ end
+ str.force_encoding(Encoding::ASCII_8BIT)
+ end
+ str.gsub!(/[^*\-.0-9A-Z_a-z]/, TBLENCWWWCOMP_)
+ str.force_encoding(Encoding::US_ASCII)
+ end
+
+ # Decode given +str+ of URL-encoded form data.
+ #
+ # This decodes + to SP.
+ #
+ # See URI.encode_www_form_component, URI.decode_www_form
+ def self.decode_www_form_component(str, enc=Encoding::UTF_8)
+ raise ArgumentError, "invalid %-encoding (#{str})" if /%(?!\h\h)/ =~ str
+ str.b.gsub(/\+|%\h\h/, TBLDECWWWCOMP_).force_encoding(enc)
+ end
+
+ # Generate URL-encoded form data from given +enum+.
+ #
+ # This generates application/x-www-form-urlencoded data defined in HTML5
+ # from given an Enumerable object.
+ #
+ # This internally uses URI.encode_www_form_component(str).
+ #
+ # This method doesn't convert the encoding of given items, so convert them
+ # before call this method if you want to send data as other than original
+ # encoding or mixed encoding data. (Strings which are encoded in an HTML5
+ # ASCII incompatible encoding are converted to UTF-8.)
+ #
+ # This method doesn't handle files. When you send a file, use
+ # multipart/form-data.
+ #
+ # This refers http://url.spec.whatwg.org/#concept-urlencoded-serializer
+ #
+ # URI.encode_www_form([["q", "ruby"], ["lang", "en"]])
+ # #=> "q=ruby&lang=en"
+ # URI.encode_www_form("q" => "ruby", "lang" => "en")
+ # #=> "q=ruby&lang=en"
+ # URI.encode_www_form("q" => ["ruby", "perl"], "lang" => "en")
+ # #=> "q=ruby&q=perl&lang=en"
+ # URI.encode_www_form([["q", "ruby"], ["q", "perl"], ["lang", "en"]])
+ # #=> "q=ruby&q=perl&lang=en"
+ #
+ # See URI.encode_www_form_component, URI.decode_www_form
+ def self.encode_www_form(enum, enc=nil)
+ enum.map do |k,v|
+ if v.nil?
+ encode_www_form_component(k, enc)
+ elsif v.respond_to?(:to_ary)
+ v.to_ary.map do |w|
+ str = encode_www_form_component(k, enc)
+ unless w.nil?
+ str << '='
+ str << encode_www_form_component(w, enc)
+ end
+ end.join('&')
+ else
+ str = encode_www_form_component(k, enc)
+ str << '='
+ str << encode_www_form_component(v, enc)
+ end
+ end.join('&')
+ end
+
+ # Decode URL-encoded form data from given +str+.
+ #
+ # This decodes application/x-www-form-urlencoded data
+ # and returns array of key-value array.
+ #
+ # This refers http://url.spec.whatwg.org/#concept-urlencoded-parser ,
+ # so this supports only &-separator, don't support ;-separator.
+ #
+ # ary = URI.decode_www_form("a=1&a=2&b=3")
+ # p ary #=> [['a', '1'], ['a', '2'], ['b', '3']]
+ # p ary.assoc('a').last #=> '1'
+ # p ary.assoc('b').last #=> '3'
+ # p ary.rassoc('a').last #=> '2'
+ # p Hash[ary] # => {"a"=>"2", "b"=>"3"}
+ #
+ # See URI.decode_www_form_component, URI.encode_www_form
+ def self.decode_www_form(str, enc=Encoding::UTF_8, separator: '&', use__charset_: false, isindex: false)
+ raise ArgumentError, "the input of #{self.name}.#{__method__} must be ASCII only string" unless str.ascii_only?
+ ary = []
+ return ary if str.empty?
+ enc = Encoding.find(enc)
+ str.b.each_line(separator) do |string|
+ string.chomp!(separator)
+ key, sep, val = string.partition('=')
+ if isindex
+ if sep.empty?
+ val = key
+ key = ''
+ end
+ isindex = false
+ end
+
+ if use__charset_ and key == '_charset_' and e = get_encoding(val)
+ enc = e
+ use__charset_ = false
+ end
+
+ key.gsub!(/\+|%\h\h/, TBLDECWWWCOMP_)
+ if val
+ val.gsub!(/\+|%\h\h/, TBLDECWWWCOMP_)
+ else
+ val = ''
+ end
+
+ ary << [key, val]
+ end
+ ary.each do |k, v|
+ k.force_encoding(enc)
+ k.scrub!
+ v.force_encoding(enc)
+ v.scrub!
+ end
+ ary
+ end
+
+ private
+ # curl http://encoding.spec.whatwg.org/encodings.json|rb -rpp -rjson -e'H={};h={"shift_jis"=>"Windows-31J","euc-jp"=>"cp51932","iso-2022-jp"=>"cp50221","x-mac-cyrillic"=>"macCyrillic"};JSON($<.read).map{|x|x["encodings"]}.flatten.each{|x|Encoding.find(n=h.fetch(n=x["name"],n))rescue next;x["labels"].each{|y|H[y]=n}};pp H'
+ WEB_ENCODINGS_ = {
+ "unicode-1-1-utf-8"=>"utf-8",
+ "utf-8"=>"utf-8",
+ "utf8"=>"utf-8",
+ "866"=>"ibm866",
+ "cp866"=>"ibm866",
+ "csibm866"=>"ibm866",
+ "ibm866"=>"ibm866",
+ "csisolatin2"=>"iso-8859-2",
+ "iso-8859-2"=>"iso-8859-2",
+ "iso-ir-101"=>"iso-8859-2",
+ "iso8859-2"=>"iso-8859-2",
+ "iso88592"=>"iso-8859-2",
+ "iso_8859-2"=>"iso-8859-2",
+ "iso_8859-2:1987"=>"iso-8859-2",
+ "l2"=>"iso-8859-2",
+ "latin2"=>"iso-8859-2",
+ "csisolatin3"=>"iso-8859-3",
+ "iso-8859-3"=>"iso-8859-3",
+ "iso-ir-109"=>"iso-8859-3",
+ "iso8859-3"=>"iso-8859-3",
+ "iso88593"=>"iso-8859-3",
+ "iso_8859-3"=>"iso-8859-3",
+ "iso_8859-3:1988"=>"iso-8859-3",
+ "l3"=>"iso-8859-3",
+ "latin3"=>"iso-8859-3",
+ "csisolatin4"=>"iso-8859-4",
+ "iso-8859-4"=>"iso-8859-4",
+ "iso-ir-110"=>"iso-8859-4",
+ "iso8859-4"=>"iso-8859-4",
+ "iso88594"=>"iso-8859-4",
+ "iso_8859-4"=>"iso-8859-4",
+ "iso_8859-4:1988"=>"iso-8859-4",
+ "l4"=>"iso-8859-4",
+ "latin4"=>"iso-8859-4",
+ "csisolatincyrillic"=>"iso-8859-5",
+ "cyrillic"=>"iso-8859-5",
+ "iso-8859-5"=>"iso-8859-5",
+ "iso-ir-144"=>"iso-8859-5",
+ "iso8859-5"=>"iso-8859-5",
+ "iso88595"=>"iso-8859-5",
+ "iso_8859-5"=>"iso-8859-5",
+ "iso_8859-5:1988"=>"iso-8859-5",
+ "arabic"=>"iso-8859-6",
+ "asmo-708"=>"iso-8859-6",
+ "csiso88596e"=>"iso-8859-6",
+ "csiso88596i"=>"iso-8859-6",
+ "csisolatinarabic"=>"iso-8859-6",
+ "ecma-114"=>"iso-8859-6",
+ "iso-8859-6"=>"iso-8859-6",
+ "iso-8859-6-e"=>"iso-8859-6",
+ "iso-8859-6-i"=>"iso-8859-6",
+ "iso-ir-127"=>"iso-8859-6",
+ "iso8859-6"=>"iso-8859-6",
+ "iso88596"=>"iso-8859-6",
+ "iso_8859-6"=>"iso-8859-6",
+ "iso_8859-6:1987"=>"iso-8859-6",
+ "csisolatingreek"=>"iso-8859-7",
+ "ecma-118"=>"iso-8859-7",
+ "elot_928"=>"iso-8859-7",
+ "greek"=>"iso-8859-7",
+ "greek8"=>"iso-8859-7",
+ "iso-8859-7"=>"iso-8859-7",
+ "iso-ir-126"=>"iso-8859-7",
+ "iso8859-7"=>"iso-8859-7",
+ "iso88597"=>"iso-8859-7",
+ "iso_8859-7"=>"iso-8859-7",
+ "iso_8859-7:1987"=>"iso-8859-7",
+ "sun_eu_greek"=>"iso-8859-7",
+ "csiso88598e"=>"iso-8859-8",
+ "csisolatinhebrew"=>"iso-8859-8",
+ "hebrew"=>"iso-8859-8",
+ "iso-8859-8"=>"iso-8859-8",
+ "iso-8859-8-e"=>"iso-8859-8",
+ "iso-ir-138"=>"iso-8859-8",
+ "iso8859-8"=>"iso-8859-8",
+ "iso88598"=>"iso-8859-8",
+ "iso_8859-8"=>"iso-8859-8",
+ "iso_8859-8:1988"=>"iso-8859-8",
+ "visual"=>"iso-8859-8",
+ "csisolatin6"=>"iso-8859-10",
+ "iso-8859-10"=>"iso-8859-10",
+ "iso-ir-157"=>"iso-8859-10",
+ "iso8859-10"=>"iso-8859-10",
+ "iso885910"=>"iso-8859-10",
+ "l6"=>"iso-8859-10",
+ "latin6"=>"iso-8859-10",
+ "iso-8859-13"=>"iso-8859-13",
+ "iso8859-13"=>"iso-8859-13",
+ "iso885913"=>"iso-8859-13",
+ "iso-8859-14"=>"iso-8859-14",
+ "iso8859-14"=>"iso-8859-14",
+ "iso885914"=>"iso-8859-14",
+ "csisolatin9"=>"iso-8859-15",
+ "iso-8859-15"=>"iso-8859-15",
+ "iso8859-15"=>"iso-8859-15",
+ "iso885915"=>"iso-8859-15",
+ "iso_8859-15"=>"iso-8859-15",
+ "l9"=>"iso-8859-15",
+ "iso-8859-16"=>"iso-8859-16",
+ "cskoi8r"=>"koi8-r",
+ "koi"=>"koi8-r",
+ "koi8"=>"koi8-r",
+ "koi8-r"=>"koi8-r",
+ "koi8_r"=>"koi8-r",
+ "koi8-u"=>"koi8-u",
+ "dos-874"=>"windows-874",
+ "iso-8859-11"=>"windows-874",
+ "iso8859-11"=>"windows-874",
+ "iso885911"=>"windows-874",
+ "tis-620"=>"windows-874",
+ "windows-874"=>"windows-874",
+ "cp1250"=>"windows-1250",
+ "windows-1250"=>"windows-1250",
+ "x-cp1250"=>"windows-1250",
+ "cp1251"=>"windows-1251",
+ "windows-1251"=>"windows-1251",
+ "x-cp1251"=>"windows-1251",
+ "ansi_x3.4-1968"=>"windows-1252",
+ "ascii"=>"windows-1252",
+ "cp1252"=>"windows-1252",
+ "cp819"=>"windows-1252",
+ "csisolatin1"=>"windows-1252",
+ "ibm819"=>"windows-1252",
+ "iso-8859-1"=>"windows-1252",
+ "iso-ir-100"=>"windows-1252",
+ "iso8859-1"=>"windows-1252",
+ "iso88591"=>"windows-1252",
+ "iso_8859-1"=>"windows-1252",
+ "iso_8859-1:1987"=>"windows-1252",
+ "l1"=>"windows-1252",
+ "latin1"=>"windows-1252",
+ "us-ascii"=>"windows-1252",
+ "windows-1252"=>"windows-1252",
+ "x-cp1252"=>"windows-1252",
+ "cp1253"=>"windows-1253",
+ "windows-1253"=>"windows-1253",
+ "x-cp1253"=>"windows-1253",
+ "cp1254"=>"windows-1254",
+ "csisolatin5"=>"windows-1254",
+ "iso-8859-9"=>"windows-1254",
+ "iso-ir-148"=>"windows-1254",
+ "iso8859-9"=>"windows-1254",
+ "iso88599"=>"windows-1254",
+ "iso_8859-9"=>"windows-1254",
+ "iso_8859-9:1989"=>"windows-1254",
+ "l5"=>"windows-1254",
+ "latin5"=>"windows-1254",
+ "windows-1254"=>"windows-1254",
+ "x-cp1254"=>"windows-1254",
+ "cp1255"=>"windows-1255",
+ "windows-1255"=>"windows-1255",
+ "x-cp1255"=>"windows-1255",
+ "cp1256"=>"windows-1256",
+ "windows-1256"=>"windows-1256",
+ "x-cp1256"=>"windows-1256",
+ "cp1257"=>"windows-1257",
+ "windows-1257"=>"windows-1257",
+ "x-cp1257"=>"windows-1257",
+ "cp1258"=>"windows-1258",
+ "windows-1258"=>"windows-1258",
+ "x-cp1258"=>"windows-1258",
+ "x-mac-cyrillic"=>"macCyrillic",
+ "x-mac-ukrainian"=>"macCyrillic",
+ "chinese"=>"gbk",
+ "csgb2312"=>"gbk",
+ "csiso58gb231280"=>"gbk",
+ "gb2312"=>"gbk",
+ "gb_2312"=>"gbk",
+ "gb_2312-80"=>"gbk",
+ "gbk"=>"gbk",
+ "iso-ir-58"=>"gbk",
+ "x-gbk"=>"gbk",
+ "gb18030"=>"gb18030",
+ "big5"=>"big5",
+ "big5-hkscs"=>"big5",
+ "cn-big5"=>"big5",
+ "csbig5"=>"big5",
+ "x-x-big5"=>"big5",
+ "cseucpkdfmtjapanese"=>"cp51932",
+ "euc-jp"=>"cp51932",
+ "x-euc-jp"=>"cp51932",
+ "csiso2022jp"=>"cp50221",
+ "iso-2022-jp"=>"cp50221",
+ "csshiftjis"=>"Windows-31J",
+ "ms_kanji"=>"Windows-31J",
+ "shift-jis"=>"Windows-31J",
+ "shift_jis"=>"Windows-31J",
+ "sjis"=>"Windows-31J",
+ "windows-31j"=>"Windows-31J",
+ "x-sjis"=>"Windows-31J",
+ "cseuckr"=>"euc-kr",
+ "csksc56011987"=>"euc-kr",
+ "euc-kr"=>"euc-kr",
+ "iso-ir-149"=>"euc-kr",
+ "korean"=>"euc-kr",
+ "ks_c_5601-1987"=>"euc-kr",
+ "ks_c_5601-1989"=>"euc-kr",
+ "ksc5601"=>"euc-kr",
+ "ksc_5601"=>"euc-kr",
+ "windows-949"=>"euc-kr",
+ "utf-16be"=>"utf-16be",
+ "utf-16"=>"utf-16le",
+ "utf-16le"=>"utf-16le"
+ } # :nodoc:
+
+ # :nodoc:
+ # return encoding or nil
+ # http://encoding.spec.whatwg.org/#concept-encoding-get
+ def self.get_encoding(label)
+ Encoding.find(WEB_ENCODINGS_[label.to_str.strip.downcase]) rescue nil
+ end
+end # module URI
+
+module Kernel
+
+ #
+ # Returns +uri+ converted to a URI object.
+ #
+ def URI(uri)
+ if uri.is_a?(URI::Generic)
+ uri
+ elsif uri = String.try_convert(uri)
+ URI.parse(uri)
+ else
+ raise ArgumentError,
+ "bad argument (expected URI object or URI string)"
+ end
+ end
+ module_function :URI
+end