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98 lines
3.3 KiB
98 lines
3.3 KiB
#-- copyright
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# OpenProject is a project management system.
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# Copyright (C) 2012-2018 the OpenProject Foundation (OPF)
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License version 3.
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#
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# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
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# Copyright (C) 2006-2017 Jean-Philippe Lang
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# Copyright (C) 2010-2013 the ChiliProject Team
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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# See docs/COPYRIGHT.rdoc for more details.
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#++
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module Redmine
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module CodesetUtil
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def self.replace_invalid_utf8(str)
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return str if str.nil?
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str.force_encoding('UTF-8')
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if !str.valid_encoding?
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str = str.encode('US-ASCII', invalid: :replace,
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undef: :replace, replace: '?').encode('UTF-8')
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end
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str
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end
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def self.to_utf8(str, encoding)
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return str if str.nil?
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str.force_encoding('ASCII-8BIT')
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if str.empty?
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str.force_encoding('UTF-8')
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return str
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end
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enc = encoding.blank? ? 'UTF-8' : encoding
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if enc.upcase != 'UTF-8'
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str.force_encoding(enc)
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str = str.encode('UTF-8', invalid: :replace,
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undef: :replace, replace: '?')
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else
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str.force_encoding('UTF-8')
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if !str.valid_encoding?
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str = str.encode('US-ASCII', invalid: :replace,
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undef: :replace, replace: '?').encode('UTF-8')
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end
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end
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str
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end
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def self.to_utf8_by_setting(str)
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return str if str.nil?
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to_utf8_by_setting_internal(str).force_encoding('UTF-8')
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end
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def self.to_utf8_by_setting_internal(str)
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return str if str.nil?
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str.force_encoding('ASCII-8BIT')
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return str if str.empty?
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return str if /\A[\r\n\t\x20-\x7e]*\Z/n.match(str) # for us-ascii
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str.force_encoding('UTF-8')
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encodings = Setting.repositories_encodings.split(',').map(&:strip)
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encodings.each do |encoding|
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begin
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str.force_encoding(encoding)
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utf8 = str.encode('UTF-8')
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return utf8 if utf8.valid_encoding?
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rescue
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# do nothing here and try the next encoding
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end
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end
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replace_invalid_utf8(str).force_encoding('UTF-8')
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end
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def self.from_utf8(str, encoding)
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str ||= ''
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str.force_encoding('UTF-8')
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if encoding.upcase != 'UTF-8'
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str = str.encode(encoding, invalid: :replace,
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undef: :replace, replace: '?')
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else
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str = replace_invalid_utf8(str)
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end
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end
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end
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end
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