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71 lines
2.4 KiB
71 lines
2.4 KiB
5 years ago
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#-- 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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class Wikis::Annotate
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attr_reader :lines, :content
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def initialize(content)
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@content = content
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current = content
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current_lines = current.data.text.split(/\r?\n/)
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@lines = current_lines.map { |t| [nil, nil, t] }
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positions = []
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current_lines.size.times { |i| positions << i }
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while current.previous
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d = current.previous.data.text.split(/\r?\n/).diff(current.data.text.split(/\r?\n/)).diffs.flatten
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d.each_slice(3) do |s|
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sign = s[0]
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line = s[1]
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if sign == '+' && positions[line] && positions[line] != -1
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if @lines[positions[line]][0].nil?
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@lines[positions[line]][0] = current.version
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@lines[positions[line]][1] = current.data.author
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end
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end
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end
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d.each_slice(3) do |s|
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sign = s[0]
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line = s[1]
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if sign == '-'
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positions.insert(line, -1)
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else
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positions[line] = nil
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end
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end
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positions.compact!
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# Stop if every line is annotated
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break unless @lines.detect { |line| line[0].nil? }
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current = current.previous
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end
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@lines.each { |line| line[0] ||= current.version }
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end
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end
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