зеркало из https://github.com/github/ruby.git
745 строки
20 KiB
Ruby
745 строки
20 KiB
Ruby
# frozen_string_literal: true
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#--
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# = uri/common.rb
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#
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# Author:: Akira Yamada <akira@ruby-lang.org>
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# Revision:: $Id$
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# License::
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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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# See URI for general documentation
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#
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require_relative "rfc2396_parser"
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require_relative "rfc3986_parser"
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module URI
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REGEXP = RFC2396_REGEXP
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Parser = RFC2396_Parser
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RFC3986_PARSER = RFC3986_Parser.new
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# URI::Parser.new
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DEFAULT_PARSER = Parser.new
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DEFAULT_PARSER.pattern.each_pair do |sym, str|
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unless REGEXP::PATTERN.const_defined?(sym)
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REGEXP::PATTERN.const_set(sym, str)
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end
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end
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DEFAULT_PARSER.regexp.each_pair do |sym, str|
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const_set(sym, str)
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end
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module Util # :nodoc:
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def make_components_hash(klass, array_hash)
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tmp = {}
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if array_hash.kind_of?(Array) &&
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array_hash.size == klass.component.size - 1
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klass.component[1..-1].each_index do |i|
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begin
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tmp[klass.component[i + 1]] = array_hash[i].clone
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rescue TypeError
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tmp[klass.component[i + 1]] = array_hash[i]
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end
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end
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elsif array_hash.kind_of?(Hash)
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array_hash.each do |key, value|
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begin
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tmp[key] = value.clone
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rescue TypeError
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tmp[key] = value
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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 #{klass} (#{klass.component[1..-1].join(', ')})"
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end
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tmp[:scheme] = klass.to_s.sub(/\A.*::/, '').downcase
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return tmp
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end
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module_function :make_components_hash
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end
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# Module for escaping unsafe characters with codes.
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module Escape
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#
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# == Synopsis
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#
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# URI.escape(str [, unsafe])
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#
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# == Args
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#
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# +str+::
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# String to replaces in.
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# +unsafe+::
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# Regexp that matches all symbols that must be replaced with codes.
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# By default uses <tt>UNSAFE</tt>.
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# When this argument is a String, it represents a character set.
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#
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# == Description
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#
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# Escapes the string, replacing all unsafe characters with codes.
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#
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# This method is obsolete and should not be used. Instead, use
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# CGI.escape, URI.encode_www_form or URI.encode_www_form_component
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# depending on your specific use case.
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#
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# == Usage
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#
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# require 'uri'
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#
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# enc_uri = URI.escape("http://example.com/?a=\11\15")
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# # => "http://example.com/?a=%09%0D"
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#
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# URI.unescape(enc_uri)
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# # => "http://example.com/?a=\t\r"
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#
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# URI.escape("@?@!", "!?")
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# # => "@%3F@%21"
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#
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def escape(*arg)
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warn "URI.escape is obsolete", uplevel: 1 if $VERBOSE
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DEFAULT_PARSER.escape(*arg)
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end
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alias encode escape
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#
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# == Synopsis
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#
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# URI.unescape(str)
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#
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# == Args
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#
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# +str+::
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# String to unescape.
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#
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# == Description
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#
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# This method is obsolete and should not be used. Instead, use
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# CGI.unescape, URI.decode_www_form or URI.decode_www_form_component
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# depending on your specific use case.
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#
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# == Usage
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#
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# require 'uri'
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#
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# enc_uri = URI.escape("http://example.com/?a=\11\15")
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# # => "http://example.com/?a=%09%0D"
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#
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# URI.unescape(enc_uri)
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# # => "http://example.com/?a=\t\r"
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#
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def unescape(*arg)
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warn "URI.unescape is obsolete", uplevel: 1 if $VERBOSE
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DEFAULT_PARSER.unescape(*arg)
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end
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alias decode unescape
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end # module Escape
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extend Escape
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include REGEXP
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@@schemes = {}
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# Returns a Hash of the defined schemes.
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def self.scheme_list
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@@schemes
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end
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#
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# Base class for all URI exceptions.
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#
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class Error < StandardError; end
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#
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# Not a URI.
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#
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class InvalidURIError < Error; end
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#
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# Not a URI component.
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#
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class InvalidComponentError < Error; end
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#
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# URI is valid, bad usage is not.
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#
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class BadURIError < Error; end
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#
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# == Synopsis
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#
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# URI::split(uri)
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#
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# == Args
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#
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# +uri+::
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# String with URI.
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#
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# == Description
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#
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# Splits the string on following parts and returns array with result:
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#
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# * Scheme
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# * Userinfo
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# * Host
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# * Port
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# * Registry
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# * Path
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# * Opaque
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# * Query
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# * Fragment
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#
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# == Usage
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#
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# require 'uri'
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#
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# URI.split("http://www.ruby-lang.org/")
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# # => ["http", nil, "www.ruby-lang.org", nil, nil, "/", nil, nil, nil]
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#
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def self.split(uri)
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RFC3986_PARSER.split(uri)
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end
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#
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# == Synopsis
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#
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# URI::parse(uri_str)
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#
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# == Args
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#
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# +uri_str+::
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# String with URI.
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#
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# == Description
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#
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# Creates one of the URI's subclasses instance from the string.
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#
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# == Raises
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#
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# URI::InvalidURIError::
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# Raised if URI given is not a correct one.
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#
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# == Usage
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#
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# require 'uri'
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#
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# uri = URI.parse("http://www.ruby-lang.org/")
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# # => #<URI::HTTP http://www.ruby-lang.org/>
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# uri.scheme
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# # => "http"
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# uri.host
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# # => "www.ruby-lang.org"
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#
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# It's recommended to first ::escape the provided +uri_str+ if there are any
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# invalid URI characters.
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#
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def self.parse(uri)
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RFC3986_PARSER.parse(uri)
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end
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#
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# == Synopsis
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#
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# URI::join(str[, str, ...])
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#
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# == Args
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#
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# +str+::
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# String(s) to work with, will be converted to RFC3986 URIs before merging.
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#
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# == Description
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#
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# Joins URIs.
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#
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# == Usage
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#
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# require 'uri'
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#
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# URI.join("http://example.com/","main.rbx")
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# # => #<URI::HTTP http://example.com/main.rbx>
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#
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# URI.join('http://example.com', 'foo')
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# # => #<URI::HTTP http://example.com/foo>
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#
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# URI.join('http://example.com', '/foo', '/bar')
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# # => #<URI::HTTP http://example.com/bar>
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#
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# URI.join('http://example.com', '/foo', 'bar')
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# # => #<URI::HTTP http://example.com/bar>
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#
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# URI.join('http://example.com', '/foo/', 'bar')
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# # => #<URI::HTTP http://example.com/foo/bar>
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#
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def self.join(*str)
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RFC3986_PARSER.join(*str)
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end
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#
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# == Synopsis
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#
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# URI::extract(str[, schemes][,&blk])
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#
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# == Args
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#
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# +str+::
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# String to extract URIs from.
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# +schemes+::
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# Limit URI matching to specific schemes.
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#
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# == Description
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#
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# Extracts URIs from a string. If block given, iterates through all matched URIs.
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# Returns nil if block given or array with matches.
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#
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# == Usage
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#
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# require "uri"
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#
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# URI.extract("text here http://foo.example.org/bla and here mailto:test@example.com and here also.")
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# # => ["http://foo.example.com/bla", "mailto:test@example.com"]
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#
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def self.extract(str, schemes = nil, &block)
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warn "URI.extract is obsolete", uplevel: 1 if $VERBOSE
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DEFAULT_PARSER.extract(str, schemes, &block)
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end
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#
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# == Synopsis
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#
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# URI::regexp([match_schemes])
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#
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# == Args
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#
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# +match_schemes+::
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# Array of schemes. If given, resulting regexp matches to URIs
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# whose scheme is one of the match_schemes.
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#
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# == Description
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#
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# Returns a Regexp object which matches to URI-like strings.
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# The Regexp object returned by this method includes arbitrary
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# number of capture group (parentheses). Never rely on it's number.
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#
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# == Usage
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#
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# require 'uri'
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#
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# # extract first URI from html_string
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# html_string.slice(URI.regexp)
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#
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# # remove ftp URIs
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# html_string.sub(URI.regexp(['ftp']), '')
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#
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# # You should not rely on the number of parentheses
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# html_string.scan(URI.regexp) do |*matches|
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# p $&
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# end
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#
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def self.regexp(schemes = nil)
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warn "URI.regexp is obsolete", uplevel: 1 if $VERBOSE
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DEFAULT_PARSER.make_regexp(schemes)
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end
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TBLENCWWWCOMP_ = {} # :nodoc:
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256.times do |i|
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TBLENCWWWCOMP_[-i.chr] = -('%%%02X' % i)
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end
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TBLENCWWWCOMP_[' '] = '+'
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TBLENCWWWCOMP_.freeze
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TBLDECWWWCOMP_ = {} # :nodoc:
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256.times do |i|
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h, l = i>>4, i&15
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TBLDECWWWCOMP_[-('%%%X%X' % [h, l])] = -i.chr
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TBLDECWWWCOMP_[-('%%%x%X' % [h, l])] = -i.chr
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TBLDECWWWCOMP_[-('%%%X%x' % [h, l])] = -i.chr
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TBLDECWWWCOMP_[-('%%%x%x' % [h, l])] = -i.chr
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end
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TBLDECWWWCOMP_['+'] = ' '
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TBLDECWWWCOMP_.freeze
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# Encodes given +str+ to URL-encoded form data.
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#
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# This method doesn't convert *, -, ., 0-9, A-Z, _, a-z, but does convert SP
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# (ASCII space) to + and converts others to %XX.
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#
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# If +enc+ is given, convert +str+ to the encoding before percent encoding.
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#
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# This is an implementation of
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# http://www.w3.org/TR/2013/CR-html5-20130806/forms.html#url-encoded-form-data.
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#
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# See URI.decode_www_form_component, URI.encode_www_form.
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def self.encode_www_form_component(str, enc=nil)
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str = str.to_s.dup
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if str.encoding != Encoding::ASCII_8BIT
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if enc && enc != Encoding::ASCII_8BIT
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str.encode!(Encoding::UTF_8, invalid: :replace, undef: :replace)
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str.encode!(enc, fallback: ->(x){"&#{x.ord};"})
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end
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str.force_encoding(Encoding::ASCII_8BIT)
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end
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str.gsub!(/[^*\-.0-9A-Z_a-z]/, TBLENCWWWCOMP_)
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str.force_encoding(Encoding::US_ASCII)
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end
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# Decodes given +str+ of URL-encoded form data.
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#
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# This decodes + to SP.
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#
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# See URI.encode_www_form_component, URI.decode_www_form.
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def self.decode_www_form_component(str, enc=Encoding::UTF_8)
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raise ArgumentError, "invalid %-encoding (#{str})" if /%(?!\h\h)/ =~ str
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str.b.gsub(/\+|%\h\h/, TBLDECWWWCOMP_).force_encoding(enc)
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end
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# Generates URL-encoded form data from given +enum+.
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#
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# This generates application/x-www-form-urlencoded data defined in HTML5
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# from given an Enumerable object.
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#
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# This internally uses URI.encode_www_form_component(str).
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#
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# This method doesn't convert the encoding of given items, so convert them
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# before calling this method if you want to send data as other than original
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# encoding or mixed encoding data. (Strings which are encoded in an HTML5
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# ASCII incompatible encoding are converted to UTF-8.)
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#
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# This method doesn't handle files. When you send a file, use
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# multipart/form-data.
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#
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# This refers http://url.spec.whatwg.org/#concept-urlencoded-serializer
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#
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# URI.encode_www_form([["q", "ruby"], ["lang", "en"]])
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# #=> "q=ruby&lang=en"
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# URI.encode_www_form("q" => "ruby", "lang" => "en")
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# #=> "q=ruby&lang=en"
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# URI.encode_www_form("q" => ["ruby", "perl"], "lang" => "en")
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# #=> "q=ruby&q=perl&lang=en"
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# URI.encode_www_form([["q", "ruby"], ["q", "perl"], ["lang", "en"]])
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# #=> "q=ruby&q=perl&lang=en"
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#
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# See URI.encode_www_form_component, URI.decode_www_form.
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def self.encode_www_form(enum, enc=nil)
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enum.map do |k,v|
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if v.nil?
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encode_www_form_component(k, enc)
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elsif v.respond_to?(:to_ary)
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v.to_ary.map do |w|
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str = encode_www_form_component(k, enc)
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unless w.nil?
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str << '='
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str << encode_www_form_component(w, enc)
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end
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end.join('&')
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else
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str = encode_www_form_component(k, enc)
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str << '='
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str << encode_www_form_component(v, enc)
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end
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end.join('&')
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end
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# Decodes URL-encoded form data from given +str+.
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#
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# This decodes application/x-www-form-urlencoded data
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# and returns an array of key-value arrays.
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#
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# This refers http://url.spec.whatwg.org/#concept-urlencoded-parser,
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# so this supports only &-separator, and doesn't support ;-separator.
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#
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# ary = URI.decode_www_form("a=1&a=2&b=3")
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# ary #=> [['a', '1'], ['a', '2'], ['b', '3']]
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# ary.assoc('a').last #=> '1'
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# ary.assoc('b').last #=> '3'
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# ary.rassoc('a').last #=> '2'
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# Hash[ary] #=> {"a"=>"2", "b"=>"3"}
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#
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# See URI.decode_www_form_component, URI.encode_www_form.
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def self.decode_www_form(str, enc=Encoding::UTF_8, separator: '&', use__charset_: false, isindex: false)
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raise ArgumentError, "the input of #{self.name}.#{__method__} must be ASCII only string" unless str.ascii_only?
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ary = []
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return ary if str.empty?
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enc = Encoding.find(enc)
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str.b.each_line(separator) do |string|
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string.chomp!(separator)
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key, sep, val = string.partition('=')
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if isindex
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if sep.empty?
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val = key
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key = +''
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end
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isindex = false
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end
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if use__charset_ and key == '_charset_' and e = get_encoding(val)
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enc = e
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use__charset_ = false
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end
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key.gsub!(/\+|%\h\h/, TBLDECWWWCOMP_)
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if val
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val.gsub!(/\+|%\h\h/, TBLDECWWWCOMP_)
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else
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val = +''
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end
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ary << [key, val]
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end
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ary.each do |k, v|
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k.force_encoding(enc)
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k.scrub!
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v.force_encoding(enc)
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v.scrub!
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end
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ary
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end
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private
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=begin command for WEB_ENCODINGS_
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curl https://encoding.spec.whatwg.org/encodings.json|
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ruby -rjson -e 'H={}
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h={
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"shift_jis"=>"Windows-31J",
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"euc-jp"=>"cp51932",
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"iso-2022-jp"=>"cp50221",
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"x-mac-cyrillic"=>"macCyrillic",
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}
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JSON($<.read).map{|x|x["encodings"]}.flatten.each{|x|
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Encoding.find(n=h.fetch(n=x["name"].downcase,n))rescue next
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x["labels"].each{|y|H[y]=n}
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}
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puts "{"
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H.each{|k,v|puts %[ #{k.dump}=>#{v.dump},]}
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puts "}"
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'
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=end
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WEB_ENCODINGS_ = {
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"unicode-1-1-utf-8"=>"utf-8",
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"utf-8"=>"utf-8",
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"utf8"=>"utf-8",
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"866"=>"ibm866",
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"cp866"=>"ibm866",
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"csibm866"=>"ibm866",
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"ibm866"=>"ibm866",
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"csisolatin2"=>"iso-8859-2",
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"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-ru"=>"koi8-u",
|
|
"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",
|
|
"ms932"=>"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 an 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
|