blob: 4566bdd382da3a5e9fbaf1d5bc430a34735ba849 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
#
# Author:: Jay Mundrawala(<jdm@chef.io>)
# Copyright:: Copyright 2015-2016, Chef Software
# 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") if ustring.respond_to?(:force_encoding) && ustring.encoding.name != "UTF-8"
# ensure we have the double-null termination Windows Wide likes
ustring = ustring + "\000\000" if ustring.length == 0 or ustring[-1].chr != "\000"
# encode it all as UTF-16LE AKA Windows Wide Character AKA Windows Unicode
ustring = begin
if ustring.respond_to?(:encode)
ustring.encode("UTF-16LE")
else
require "iconv"
Iconv.conv("UTF-16LE", "UTF-8", ustring)
end
end
ustring
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") if wstring.respond_to?(:force_encoding)
# encode it all as UTF-8
wstring = begin
if wstring.respond_to?(:encode)
wstring.encode("UTF-8")
else
require "iconv"
Iconv.conv("UTF-8", "UTF-16LE", wstring)
end
end
# remove trailing CRLF and NULL characters
wstring.strip!
wstring
end
end
end
end
|
