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# 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
# Class used to parse unified diffs
class UnifiedDiff < Array
attr_reader :diff_type, :diff_style
def initialize(diff, options={})
options.assert_valid_keys(:type, :style, :max_lines)
diff = diff.split("\n") if diff.is_a?(String)
@diff_type = options[:type] || 'inline'
@diff_style = options[:style]
# remove git footer
if diff.length > 1 &&
diff[-2] =~ /^--/ &&
diff[-1] =~ /^[0-9]/
diff.pop(2)
end
lines = 0
@truncated = false
diff_table = DiffTable.new(diff_type, diff_style)
diff.each do |line_raw|
line = Redmine::CodesetUtil.to_utf8_by_setting(line_raw)
unless diff_table.add_line(line)
self << diff_table if diff_table.length > 0
diff_table = DiffTable.new(diff_type, diff_style)
end
lines += 1
if options[:max_lines] && lines > options[:max_lines]
@truncated = true
break
end
end
self << diff_table unless diff_table.empty?
self
end
def truncated?; @truncated; end
end
end
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