# Copyright (c) 2007-2015, Evan Phoenix and contributors
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice, this
#   list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright notice
#   this list of conditions and the following disclaimer in the documentation
#   and/or other materials provided with the distribution.
# * Neither the name of Rubinius nor the names of its contributors
#   may be used to endorse or promote products derived from this software
#   without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

# Modifications are subject to:
# Copyright (c) 2015 Oracle and/or its affiliates. All rights reserved. This
# code is released under a tri EPL/GPL/LGPL license. You can use it,
# redistribute it and/or modify it under the terms of the:
#
# Eclipse Public License version 1.0
# GNU General Public License version 2
# GNU Lesser General Public License version 2.1

class Encoding
  # There's a fun bootstrapping issue here.  Encoding::Converter.transcoding_map needs access to the Encoding::Transcoding
  # class. However, this shim runs before Encoding::Transcoding is defined.  Since the class body is short, we reproduce
  # it here along with a convenient factory method.
  class Transcoding
    attr_accessor :source
    attr_accessor :target

    def inspect
      "#<#{super} #{source} to #{target}"
    end

    def self.create(source, target)
      ret = new

      ret.source = source
      ret.target = target

      ret
    end
  end

  TranscodingMap = Encoding::Converter.transcoding_map
  EncodingMap = Encoding.encoding_map
  EncodingList = Encoding.list

  @default_external = undefined
  @default_internal = undefined
end

Encoding::TranscodingMap[:'UTF-16BE'] = Rubinius::LookupTable.new
Encoding::TranscodingMap[:'UTF-16BE'][:'UTF-8'] = nil

Encoding::TranscodingMap[:'UTF-16LE'] = Rubinius::LookupTable.new
Encoding::TranscodingMap[:'UTF-16LE'][:'UTF-8'] = nil

Encoding::TranscodingMap[:'UTF-32BE'] = Rubinius::LookupTable.new
Encoding::TranscodingMap[:'UTF-32BE'][:'UTF-8'] = nil

Encoding::TranscodingMap[:'UTF-32LE'] = Rubinius::LookupTable.new
Encoding::TranscodingMap[:'UTF-32LE'][:'UTF-8'] = nil

Encoding::TranscodingMap[:'ISO-2022-JP'] = Rubinius::LookupTable.new
Encoding::TranscodingMap[:'ISO-2022-JP'][:'STATELESS-ISO-2022-JP'] = nil
