OpenProject is the leading open source project management software.
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openproject/lib/redmine/codeset_util.rb

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#-- copyright
# OpenProject is an open source project management software.
# Copyright (C) 2012-2021 the OpenProject GmbH
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License version 3.
#
# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
# Copyright (C) 2006-2013 Jean-Philippe Lang
# Copyright (C) 2010-2013 the ChiliProject Team
#
# 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.
#
# See docs/COPYRIGHT.rdoc for more details.
#++
module Redmine
module CodesetUtil
def self.replace_invalid_utf8(str)
return str if str.nil?
str.force_encoding('UTF-8')
if str.valid_encoding?
str
else
str.encode('US-ASCII',
invalid: :replace,
undef: :replace,
replace: '?')
.encode('UTF-8')
end
end
def self.to_utf8(str, encoding)
return str if str.nil?
str.force_encoding('ASCII-8BIT')
if str.empty?
str.force_encoding('UTF-8')
return str
end
enc = encoding.blank? ? 'UTF-8' : encoding
if enc.upcase != 'UTF-8'
str.force_encoding(enc)
str = str.encode('UTF-8', invalid: :replace,
undef: :replace, replace: '?')
else
str.force_encoding('UTF-8')
if !str.valid_encoding?
str = str.encode('US-ASCII', invalid: :replace,
undef: :replace, replace: '?').encode('UTF-8')
end
end
str
end
def self.from_utf8(str, encoding)
str ||= ''
str.force_encoding('UTF-8')
if encoding.upcase != 'UTF-8'
str.encode(encoding,
invalid: :replace,
undef: :replace,
replace: '?')
else
replace_invalid_utf8(str)
end
end
end
end