/usr/lib/ruby/vendor_ruby/active_support/multibyte/utils.rb is in ruby-activesupport-2.3 2.3.14-2.
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 | # encoding: utf-8
module ActiveSupport #:nodoc:
module Multibyte #:nodoc:
if Kernel.const_defined?(:Encoding)
# Returns a regular expression that matches valid characters in the current encoding
def self.valid_character
VALID_CHARACTER[Encoding.default_external.to_s]
end
else
def self.valid_character
case $KCODE
when 'UTF8'
VALID_CHARACTER['UTF-8']
when 'SJIS'
VALID_CHARACTER['Shift_JIS']
end
end
end
if 'string'.respond_to?(:valid_encoding?)
# Verifies the encoding of a string
def self.verify(string)
string.valid_encoding?
end
else
def self.verify(string)
if expression = valid_character
# Splits the string on character boundaries, which are determined based on $KCODE.
string.split(//).all? { |c| expression =~ c }
else
true
end
end
end
# Verifies the encoding of the string and raises an exception when it's not valid
def self.verify!(string)
raise EncodingError.new("Found characters with invalid encoding") unless verify(string)
end
if 'string'.respond_to?(:force_encoding)
# Removes all invalid characters from the string.
#
# Note: this method is a no-op in Ruby 1.9
def self.clean(string)
string
end
else
def self.clean(string)
if expression = valid_character
# Splits the string on character boundaries, which are determined based on $KCODE.
string.split(//).grep(expression).join
else
string
end
end
end
end
end
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