58 lines
2.3 KiB
Ruby
58 lines
2.3 KiB
Ruby
# encoding: utf-8
|
|
|
|
module ActiveSupport #:nodoc:
|
|
module Multibyte
|
|
# A list of all available normalization forms. See http://www.unicode.org/reports/tr15/tr15-29.html for more
|
|
# information about normalization.
|
|
NORMALIZATION_FORMS = [:c, :kc, :d, :kd]
|
|
|
|
# The Unicode version that is supported by the implementation
|
|
UNICODE_VERSION = '5.1.0'
|
|
|
|
# The default normalization used for operations that require normalization. It can be set to any of the
|
|
# normalizations in NORMALIZATION_FORMS.
|
|
#
|
|
# Example:
|
|
# ActiveSupport::Multibyte.default_normalization_form = :c
|
|
mattr_accessor :default_normalization_form
|
|
self.default_normalization_form = :kc
|
|
|
|
# The proxy class returned when calling mb_chars. You can use this accessor to configure your own proxy
|
|
# class so you can support other encodings. See the ActiveSupport::Multibyte::Chars implementation for
|
|
# an example how to do this.
|
|
#
|
|
# Example:
|
|
# ActiveSupport::Multibyte.proxy_class = CharsForUTF32
|
|
def self.proxy_class=(klass)
|
|
@proxy_class = klass
|
|
end
|
|
|
|
# Returns the currect proxy class
|
|
def self.proxy_class
|
|
@proxy_class ||= ActiveSupport::Multibyte::Chars
|
|
end
|
|
|
|
# Regular expressions that describe valid byte sequences for a character
|
|
VALID_CHARACTER = {
|
|
# Borrowed from the Kconv library by Shinji KONO - (also as seen on the W3C site)
|
|
'UTF-8' => /\A(?:
|
|
[\x00-\x7f] |
|
|
[\xc2-\xdf] [\x80-\xbf] |
|
|
\xe0 [\xa0-\xbf] [\x80-\xbf] |
|
|
[\xe1-\xef] [\x80-\xbf] [\x80-\xbf] |
|
|
\xf0 [\x90-\xbf] [\x80-\xbf] [\x80-\xbf] |
|
|
[\xf1-\xf3] [\x80-\xbf] [\x80-\xbf] [\x80-\xbf] |
|
|
\xf4 [\x80-\x8f] [\x80-\xbf] [\x80-\xbf])\z /xn,
|
|
# Quick check for valid Shift-JIS characters, disregards the odd-even pairing
|
|
'Shift_JIS' => /\A(?:
|
|
[\x00-\x7e \xa1-\xdf] |
|
|
[\x81-\x9f \xe0-\xef] [\x40-\x7e \x80-\x9e \x9f-\xfc])\z /xn
|
|
}
|
|
end
|
|
end
|
|
|
|
require 'active_support/multibyte/chars'
|
|
require 'active_support/multibyte/exceptions'
|
|
require 'active_support/multibyte/unicode_database'
|
|
require 'active_support/multibyte/utils'
|