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69 lines
2.4 KiB
69 lines
2.4 KiB
#-- encoding: UTF-8
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#-- copyright
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# OpenProject is an open source project management software.
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# Copyright (C) 2012-2020 the OpenProject GmbH
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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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# Class used to parse unified diffs
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class UnifiedDiff < Array
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attr_reader :diff_type
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def initialize(diff, options = {})
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options.assert_valid_keys(:type, :max_lines)
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diff = diff.split("\n") if diff.is_a?(String)
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@diff_type = options[:type] || 'inline'
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lines = 0
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@truncated = false
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diff_table = DiffTable.new(@diff_type)
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diff.each do |line|
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line_encoding = nil
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if line.respond_to?(:force_encoding)
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line_encoding = line.encoding
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# TODO: UTF-16 and Japanese CP932 which is incompatible with ASCII
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# In Japan, diffrence between file path encoding
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# and file contents encoding is popular.
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line.force_encoding('ASCII-8BIT')
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end
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unless diff_table.add_line line
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line.force_encoding(line_encoding) if line_encoding
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self << diff_table if diff_table.length > 0
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diff_table = DiffTable.new(diff_type)
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end
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lines += 1
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if options[:max_lines] && lines > options[:max_lines]
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@truncated = true
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break
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end
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end
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self << diff_table unless diff_table.empty?
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self
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end
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def truncated?; @truncated; end
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end
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end
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