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49 lines
1.4 KiB
49 lines
1.4 KiB
# Engenharia de Software 2007.1
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# Copyright (C) 2007, Adriano, Alinson, Andre, Rafael e Bustamante
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# 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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module WikiHelper
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def format_diff(text)
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last = 0
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result = ""
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text << "\n"
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style = { '+' => 'add', '-' => 'del', ' ' => 'line' }
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text.each do |line|
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# Ignora o cabecalho
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next if line.match(/^---/)
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next if line.match(/^\+\+\+/)
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# Divisao entre pedacos
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if line[0].chr == '@'
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result << "<tr><td class='diff_space diff_border_#{style[last.chr]}' ></td></tr>"
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last = 0
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else
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# Verifica se mudou de contexto (add para del, linha normal para add, etc)
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if line[0] != last
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last = line[0] if last == 0 or line[0].chr == '+' or line[0].chr == '-'
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result << "<tr><td class='diff_border_#{style[last.chr]} "
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last = line[0]
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else
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result << "<tr><td class='"
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end
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result << "diff_#{style[line[0].chr]}'>" +
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" #{line[1..-1]} </td></td>"
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end
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end
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return "<table class='diff'>#{result}</table>"
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end
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end
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