f5ae1ce00b
Detach the Song class completely from the public API, only to be used by SimpleDatabase and the update thread.
148 lines
3.0 KiB
C++
148 lines
3.0 KiB
C++
/*
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* Copyright (C) 2003-2014 The Music Player Daemon Project
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* http://www.musicpd.org
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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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef MPD_SONG_FILTER_HXX
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#define MPD_SONG_FILTER_HXX
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#include "Compiler.h"
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#include <list>
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#include <string>
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#include <stdint.h>
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/**
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* Limit the search to files within the given directory.
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*/
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#define LOCATE_TAG_BASE_TYPE (TAG_NUM_OF_ITEM_TYPES + 1)
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#define LOCATE_TAG_FILE_TYPE TAG_NUM_OF_ITEM_TYPES+10
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#define LOCATE_TAG_ANY_TYPE TAG_NUM_OF_ITEM_TYPES+20
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struct Tag;
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struct TagItem;
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struct Song;
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struct LightSong;
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class DetachedSong;
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class SongFilter {
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public:
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class Item {
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uint8_t tag;
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bool fold_case;
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std::string value;
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public:
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gcc_nonnull(3)
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Item(unsigned tag, const char *value, bool fold_case=false);
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Item(const Item &other) = delete;
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Item(Item &&) = default;
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Item &operator=(const Item &other) = delete;
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unsigned GetTag() const {
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return tag;
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}
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bool GetFoldCase() const {
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return fold_case;
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}
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const std::string &GetValue() const {
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return value;
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}
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gcc_pure gcc_nonnull(2)
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bool StringMatch(const char *s) const;
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gcc_pure
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bool Match(const TagItem &tag_item) const;
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gcc_pure
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bool Match(const Tag &tag) const;
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gcc_pure
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bool Match(const DetachedSong &song) const;
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gcc_pure
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bool Match(const LightSong &song) const;
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};
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private:
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std::list<Item> items;
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public:
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SongFilter() = default;
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gcc_nonnull(3)
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SongFilter(unsigned tag, const char *value, bool fold_case=false);
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~SongFilter();
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gcc_nonnull(2,3)
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bool Parse(const char *tag, const char *value, bool fold_case=false);
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gcc_nonnull(3)
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bool Parse(unsigned argc, char *argv[], bool fold_case=false);
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gcc_pure
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bool Match(const Tag &tag) const;
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gcc_pure
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bool Match(const DetachedSong &song) const;
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gcc_pure
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bool Match(const LightSong &song) const;
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const std::list<Item> &GetItems() const {
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return items;
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}
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/**
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* Is there at least one item with "fold case" enabled?
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*/
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gcc_pure
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bool HasFoldCase() const {
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for (const auto &i : items)
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if (i.GetFoldCase())
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return true;
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return false;
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}
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/**
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* Returns the "base" specification (if there is one) or an
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* empty string.
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*/
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gcc_pure
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std::string GetBase() const;
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};
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/**
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* @return #TAG_NUM_OF_ITEM_TYPES on error
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*/
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gcc_pure
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unsigned
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locate_parse_type(const char *str);
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#endif
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