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Versions: 72
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Contents
# encoding: utf-8
# frozen_string_literal: true
module Mail #:nodoc:
module Multibyte #:nodoc:
if RUBY_VERSION >= "1.9"
# 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
Version data entries
72 entries across 56 versions & 13 rubygems