/usr/lib/ruby/1.9.1/rss/converter.rb is in libruby1.9.1 1.9.3.0-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 | require "rss/utils"
module RSS
class Converter
include Utils
def initialize(to_enc, from_enc=nil)
if "".respond_to?(:encode)
@to_encoding = to_enc
return
end
normalized_to_enc = to_enc.downcase.gsub(/-/, '_')
from_enc ||= 'utf-8'
normalized_from_enc = from_enc.downcase.gsub(/-/, '_')
if normalized_to_enc == normalized_from_enc
def_same_enc()
else
def_diff_enc = "def_to_#{normalized_to_enc}_from_#{normalized_from_enc}"
if respond_to?(def_diff_enc)
__send__(def_diff_enc)
else
def_else_enc(to_enc, from_enc)
end
end
end
def convert(value)
if value.is_a?(String) and value.respond_to?(:encode)
value.encode(@to_encoding)
else
value
end
end
def def_convert(depth=0)
instance_eval(<<-EOC, *get_file_and_line_from_caller(depth))
def convert(value)
if value.kind_of?(String)
#{yield('value')}
else
value
end
end
EOC
end
def def_iconv_convert(to_enc, from_enc, depth=0)
begin
require "iconv"
@iconv = Iconv.new(to_enc, from_enc)
def_convert(depth+1) do |value|
<<-EOC
begin
@iconv.iconv(#{value})
rescue Iconv::Failure
raise ConversionError.new(#{value}, "#{to_enc}", "#{from_enc}")
end
EOC
end
rescue LoadError, ArgumentError, SystemCallError
raise UnknownConversionMethodError.new(to_enc, from_enc)
end
end
def def_else_enc(to_enc, from_enc)
def_iconv_convert(to_enc, from_enc, 0)
end
def def_same_enc()
def_convert do |value|
value
end
end
def def_uconv_convert_if_can(meth, to_enc, from_enc, nkf_arg)
begin
require "uconv"
def_convert(1) do |value|
<<-EOC
begin
Uconv.#{meth}(#{value})
rescue Uconv::Error
raise ConversionError.new(#{value}, "#{to_enc}", "#{from_enc}")
end
EOC
end
rescue LoadError
require 'nkf'
if NKF.const_defined?(:UTF8)
def_convert(1) do |value|
"NKF.nkf(#{nkf_arg.dump}, #{value})"
end
else
def_iconv_convert(to_enc, from_enc, 1)
end
end
end
def def_to_euc_jp_from_utf_8
def_uconv_convert_if_can('u8toeuc', 'EUC-JP', 'UTF-8', '-We')
end
def def_to_utf_8_from_euc_jp
def_uconv_convert_if_can('euctou8', 'UTF-8', 'EUC-JP', '-Ew')
end
def def_to_shift_jis_from_utf_8
def_uconv_convert_if_can('u8tosjis', 'Shift_JIS', 'UTF-8', '-Ws')
end
def def_to_utf_8_from_shift_jis
def_uconv_convert_if_can('sjistou8', 'UTF-8', 'Shift_JIS', '-Sw')
end
def def_to_euc_jp_from_shift_jis
require "nkf"
def_convert do |value|
"NKF.nkf('-Se', #{value})"
end
end
def def_to_shift_jis_from_euc_jp
require "nkf"
def_convert do |value|
"NKF.nkf('-Es', #{value})"
end
end
def def_to_euc_jp_from_iso_2022_jp
require "nkf"
def_convert do |value|
"NKF.nkf('-Je', #{value})"
end
end
def def_to_iso_2022_jp_from_euc_jp
require "nkf"
def_convert do |value|
"NKF.nkf('-Ej', #{value})"
end
end
def def_to_utf_8_from_iso_8859_1
def_convert do |value|
"#{value}.unpack('C*').pack('U*')"
end
end
def def_to_iso_8859_1_from_utf_8
def_convert do |value|
<<-EOC
array_utf8 = #{value}.unpack('U*')
array_enc = []
array_utf8.each do |num|
if num <= 0xFF
array_enc << num
else
array_enc.concat "&\#\#{num};".unpack('C*')
end
end
array_enc.pack('C*')
EOC
end
end
end
end
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