85 lines
3.0 KiB
C++
85 lines
3.0 KiB
C++
/***************************************************************************
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* Copyright (C) 2008-2013 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_UTILITY_COMPARATORS_H
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#define NCMPCPP_UTILITY_COMPARATORS_H
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#include <string>
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#include "exec_item.h"
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#include "mpdpp.h"
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#include "settings.h"
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#include "menu.h"
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class LocaleStringComparison
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{
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std::locale m_locale;
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bool m_ignore_the;
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public:
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LocaleStringComparison(const std::locale &loc, bool ignore_the)
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: m_locale(loc), m_ignore_the(ignore_the) { }
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int operator()(const std::string &a, const std::string &b) const;
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};
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class LocaleBasedSorting
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{
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LocaleStringComparison m_cmp;
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public:
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LocaleBasedSorting(const std::locale &loc, bool ignore_the) : m_cmp(loc, ignore_the) { }
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bool operator()(const std::string &a, const std::string &b) const {
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return m_cmp(a, b) < 0;
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}
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bool operator()(const MPD::Song &a, const MPD::Song &b) const {
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return m_cmp(a.getName(), b.getName()) < 0;
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}
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template <typename A, typename B>
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bool operator()(const std::pair<A, B> &a, const std::pair<A, B> &b) const {
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return m_cmp(a.first, b.first) < 0;
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}
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template <typename ItemT, typename FunT>
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bool operator()(const ExecItem<ItemT, FunT> &a, const ExecItem<ItemT, FunT> &b) const {
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return m_cmp(a.item(), b.item()) < 0;
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}
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};
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class LocaleBasedItemSorting
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{
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LocaleBasedSorting m_cmp;
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SortMode m_sort_mode;
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public:
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LocaleBasedItemSorting(const std::locale &loc, bool ignore_the, SortMode mode)
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: m_cmp(loc, ignore_the), m_sort_mode(mode) { }
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bool operator()(const MPD::Item &a, const MPD::Item &b) const;
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bool operator()(const NC::Menu<MPD::Item>::Item &a, const NC::Menu<MPD::Item>::Item &b) const {
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return (*this)(a.value(), b.value());
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}
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};
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#endif // NCMPCPP_UTILITY_COMPARATORS_H
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