Sha256: 3880f9fdfcf5df94cfd533d9ab78c3f42100816d81f70f3b35f66d5b9c9ababd

Contents?: true

Size: 1.64 KB

Versions: 163

Compression:

Stored size: 1.64 KB

Contents

#
# Author:: Jay Mundrawala(<jdm@chef.io>)
# Copyright:: Copyright (c) Chef Software Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

class Chef
  module Mixin
    module WideString

      def wstring(str)
        if str.nil? || str.encoding == Encoding::UTF_16LE
          str
        else
          utf8_to_wide(str)
        end
      end

      def utf8_to_wide(ustring)
        # ensure it is actually UTF-8
        # Ruby likes to mark binary data as ASCII-8BIT
        ustring = (ustring + "").force_encoding("UTF-8")

        # ensure we have the double-null termination Windows Wide likes
        ustring += "\000\000" if ustring.length == 0 || ustring[-1].chr != "\000"

        # encode it all as UTF-16LE AKA Windows Wide Character AKA Windows Unicode
        ustring.encode("UTF-16LE")
      end

      def wide_to_utf8(wstring)
        # ensure it is actually UTF-16LE
        # Ruby likes to mark binary data as ASCII-8BIT
        wstring = wstring.force_encoding("UTF-16LE")

        # encode it all as UTF-8 and remove trailing CRLF and NULL characters
        wstring.encode("UTF-8").strip
      end

    end
  end
end

Version data entries

163 entries across 163 versions & 1 rubygems

Version Path
chef-17.9.42 lib/chef/mixin/wide_string.rb
chef-16.17.39-universal-mingw32 lib/chef/mixin/wide_string.rb
chef-16.17.39 lib/chef/mixin/wide_string.rb
chef-17.9.26-universal-mingw32 lib/chef/mixin/wide_string.rb
chef-17.9.26 lib/chef/mixin/wide_string.rb
chef-17.9.18-universal-mingw32 lib/chef/mixin/wide_string.rb
chef-17.9.18 lib/chef/mixin/wide_string.rb
chef-17.8.25-universal-mingw32 lib/chef/mixin/wide_string.rb
chef-17.8.25 lib/chef/mixin/wide_string.rb
chef-16.17.18-universal-mingw32 lib/chef/mixin/wide_string.rb
chef-16.17.18 lib/chef/mixin/wide_string.rb
chef-16.17.4-universal-mingw32 lib/chef/mixin/wide_string.rb
chef-16.17.4 lib/chef/mixin/wide_string.rb
chef-17.7.29-universal-mingw32 lib/chef/mixin/wide_string.rb
chef-17.7.29 lib/chef/mixin/wide_string.rb
chef-17.7.22-universal-mingw32 lib/chef/mixin/wide_string.rb
chef-17.7.22 lib/chef/mixin/wide_string.rb
chef-16.16.13-universal-mingw32 lib/chef/mixin/wide_string.rb
chef-16.16.13 lib/chef/mixin/wide_string.rb
chef-17.6.18-universal-mingw32 lib/chef/mixin/wide_string.rb