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Diffstat (limited to '')
-rw-r--r-- | src/SongFilter.hxx | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/src/SongFilter.hxx b/src/SongFilter.hxx new file mode 100644 index 000000000..a3068a970 --- /dev/null +++ b/src/SongFilter.hxx @@ -0,0 +1,108 @@ +/* + * 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> +#include <stdbool.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 |