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/***************************************************************************
* Copyright (C) 2008-2014 by Andrzej Rybczak *
* electricityispower@gmail.com *
* *
* 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 St, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#ifndef NCMPCPP_UTILITY_COMPARATORS_H
#define NCMPCPP_UTILITY_COMPARATORS_H
#include <string>
#include "runnable_item.h"
#include "mpdpp.h"
#include "settings.h"
#include "menu.h"
class LocaleStringComparison
{
std::locale m_locale;
bool m_ignore_the;
public:
LocaleStringComparison(const std::locale &loc, bool ignore_the)
: m_locale(loc), m_ignore_the(ignore_the) { }
int operator()(const char *a, const char *b) const {
return compare(a, strlen(a), b, strlen(b));
}
int operator()(const std::string &a, const std::string &b) const {
return compare(a.c_str(), a.length(), b.c_str(), b.length());
}
int compare(const char *a, size_t a_len, const char *b, size_t b_len) const;
};
class LocaleBasedSorting
{
LocaleStringComparison m_cmp;
public:
LocaleBasedSorting(const std::locale &loc, bool ignore_the) : m_cmp(loc, ignore_the) { }
bool operator()(const std::string &a, const std::string &b) const {
return m_cmp(a, b) < 0;
}
bool operator()(const MPD::Playlist &a, const MPD::Playlist &b) const {
return m_cmp(a.path(), b.path()) < 0;
}
bool operator()(const MPD::Song &a, const MPD::Song &b) const {
return m_cmp(a.getName(), b.getName()) < 0;
}
template <typename A, typename B>
bool operator()(const std::pair<A, B> &a, const std::pair<A, B> &b) const {
return m_cmp(a.first, b.first) < 0;
}
template <typename ItemT, typename FunT>
bool operator()(const RunnableItem<ItemT, FunT> &a, const RunnableItem<ItemT, FunT> &b) const {
return m_cmp(a.item(), b.item()) < 0;
}
};
class LocaleBasedItemSorting
{
LocaleBasedSorting m_cmp;
SortMode m_sort_mode;
public:
LocaleBasedItemSorting(const std::locale &loc, bool ignore_the, SortMode mode)
: m_cmp(loc, ignore_the), m_sort_mode(mode) { }
bool operator()(const MPD::Item &a, const MPD::Item &b) const;
bool operator()(const NC::Menu<MPD::Item>::Item &a, const NC::Menu<MPD::Item>::Item &b) const {
return (*this)(a.value(), b.value());
}
};
#endif // NCMPCPP_UTILITY_COMPARATORS_H
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