82 lines
2.8 KiB
C++
82 lines
2.8 KiB
C++
/***************************************************************************
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* Copyright (C) 2008-2014 by Andrzej Rybczak *
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* electricityispower@gmail.com *
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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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* *
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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 *
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* Free Software Foundation, Inc., *
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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***************************************************************************/
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#ifndef NCMPCPP_REGEX_FILTER_H
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#define NCMPCPP_REGEX_FILTER_H
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#include <boost/regex.hpp>
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#include "menu.h"
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template <typename T> struct RegexFilter
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{
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typedef NC::Menu<T> MenuT;
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typedef typename NC::Menu<T>::Item Item;
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typedef std::function<bool(const boost::regex &, const T &)> FilterFunction;
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RegexFilter(boost::regex rx, FilterFunction filter)
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: m_rx(rx), m_filter(filter) { }
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bool operator()(const Item &item) {
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return m_filter(m_rx, item.value());
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}
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static std::string currentFilter(MenuT &menu)
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{
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std::string filter;
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auto rf = menu.getFilter().template target< RegexFilter<T> >();
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if (rf)
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filter = rf->m_rx.str();
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return filter;
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}
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private:
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boost::regex m_rx;
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FilterFunction m_filter;
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};
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template <typename T> struct RegexItemFilter
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{
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typedef NC::Menu<T> MenuT;
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typedef typename NC::Menu<T>::Item Item;
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typedef std::function<bool(const boost::regex &, const Item &)> FilterFunction;
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RegexItemFilter(boost::regex rx, FilterFunction filter)
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: m_rx(rx), m_filter(filter) { }
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bool operator()(const Item &item) {
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return m_filter(m_rx, item);
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}
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static std::string currentFilter(MenuT &menu)
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{
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std::string filter;
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auto rf = menu.getFilter().template target< RegexItemFilter<T> >();
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if (rf)
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filter = rf->m_rx.str();
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return filter;
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}
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private:
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boost::regex m_rx;
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FilterFunction m_filter;
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};
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#endif // NCMPCPP_REGEX_FILTER_H
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