mirror of
https://github.com/redmine/redmine.git
synced 2025-11-03 20:06:24 +01:00
fdd90bab2b
git-svn-id: https://svn.redmine.org/redmine/trunk@22987 e93f8b46-1217-0410-a6f0-8f06a7374b81
114 lines
3.2 KiB
Ruby
114 lines
3.2 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
# Redmine - project management software
|
|
# Copyright (C) 2006- Jean-Philippe Lang
|
|
#
|
|
# This program is free software; you can redistribute it and/or
|
|
# modify it under the terms of the GNU General Public License
|
|
# as published by the Free Software Foundation; either version 2
|
|
# of the License, or (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program; if not, write to the Free Software
|
|
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
|
|
module Redmine
|
|
module CodesetUtil
|
|
def self.replace_invalid_utf8(str)
|
|
return nil if str.nil?
|
|
|
|
str = str.dup
|
|
str.force_encoding('UTF-8')
|
|
unless str.valid_encoding?
|
|
str = str.encode("UTF-16LE", :invalid => :replace,
|
|
:undef => :replace, :replace => '?').encode("UTF-8")
|
|
end
|
|
str
|
|
end
|
|
|
|
def self.to_utf8(str, encoding)
|
|
return if str.nil?
|
|
|
|
str = str.b
|
|
if str.empty?
|
|
str.force_encoding("UTF-8")
|
|
return str
|
|
end
|
|
enc = encoding.blank? ? "UTF-8" : encoding
|
|
if enc.casecmp("UTF-8") != 0
|
|
str.force_encoding(enc)
|
|
str = str.encode("UTF-8", :invalid => :replace,
|
|
:undef => :replace, :replace => '?')
|
|
else
|
|
str = replace_invalid_utf8(str)
|
|
end
|
|
str
|
|
end
|
|
|
|
def self.to_utf8_by_setting(str)
|
|
return if str.nil?
|
|
|
|
str = str.dup
|
|
self.to_utf8_by_setting_internal(str).force_encoding('UTF-8')
|
|
end
|
|
|
|
def self.to_utf8_by_setting_internal(str)
|
|
return if str.nil?
|
|
|
|
str = str.b
|
|
return str if str.empty?
|
|
return str if /\A[\r\n\t\x20-\x7e]*\Z/n.match?(str) # for us-ascii
|
|
|
|
str.force_encoding('UTF-8')
|
|
encodings = Setting.repositories_encodings.split(',').collect(&:strip)
|
|
encodings.each do |encoding|
|
|
begin
|
|
str.force_encoding(encoding)
|
|
utf8 = str.encode('UTF-8')
|
|
return utf8 if utf8.valid_encoding?
|
|
rescue
|
|
# do nothing here and try the next encoding
|
|
end
|
|
end
|
|
self.replace_invalid_utf8(str).force_encoding('UTF-8')
|
|
end
|
|
|
|
def self.from_utf8(str, encoding)
|
|
return if str.nil?
|
|
|
|
str = str.dup
|
|
str ||= ''
|
|
str.force_encoding('UTF-8')
|
|
if encoding.casecmp('UTF-8') != 0
|
|
str = str.encode(encoding, :invalid => :replace,
|
|
:undef => :replace, :replace => '?')
|
|
else
|
|
str = self.replace_invalid_utf8(str)
|
|
end
|
|
end
|
|
|
|
def self.guess_encoding(str)
|
|
return if str.nil?
|
|
|
|
str = str.dup
|
|
encodings = Setting.repositories_encodings.split(',').collect(&:strip)
|
|
encodings = encodings.presence || ['UTF-8']
|
|
|
|
encodings.each do |encoding|
|
|
begin
|
|
str.force_encoding(encoding)
|
|
rescue Encoding::ConverterNotFoundError
|
|
# ignore if the encoding name is invalid
|
|
end
|
|
return encoding if str.valid_encoding?
|
|
end
|
|
nil
|
|
end
|
|
end
|
|
end
|