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/*
* Copyright (C) 2003-2012 The Music Player Daemon Project
* http://www.musicpd.org
*
* 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.
*/
#ifndef MPD_SONG_FILTER_HXX
#define MPD_SONG_FILTER_HXX
#include "gcc.h"
#include <list>
#include <stdint.h>
#define LOCATE_TAG_FILE_TYPE TAG_NUM_OF_ITEM_TYPES+10
#define LOCATE_TAG_ANY_TYPE TAG_NUM_OF_ITEM_TYPES+20
struct tag;
struct tag_item;
struct song;
class SongFilter {
class Item {
uint8_t tag;
bool fold_case;
char *value;
public:
gcc_nonnull(3)
Item(unsigned tag, const char *value, bool fold_case=false);
Item(const Item &other) = delete;
Item(Item &&other)
:tag(other.tag), fold_case(other.fold_case),
value(other.value) {
other.value = nullptr;
}
~Item();
Item &operator=(const Item &other) = delete;
unsigned GetTag() const {
return tag;
}
gcc_pure gcc_nonnull(2)
bool StringMatch(const char *s) const;
gcc_pure
bool Match(const tag_item &tag_item) const;
gcc_pure
bool Match(const struct tag &tag) const;
gcc_pure
bool Match(const song &song) const;
};
std::list<Item> items;
public:
SongFilter() = default;
gcc_nonnull(3)
SongFilter(unsigned tag, const char *value, bool fold_case=false);
~SongFilter();
gcc_nonnull(2,3)
bool Parse(const char *tag, const char *value, bool fold_case=false);
gcc_nonnull(3)
bool Parse(unsigned argc, char *argv[], bool fold_case=false);
gcc_pure
bool Match(const tag &tag) const;
gcc_pure
bool Match(const song &song) const;
};
/**
* @return #TAG_NUM_OF_ITEM_TYPES on error
*/
gcc_pure
unsigned
locate_parse_type(const char *str);
#endif
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