322b061632
From now on, struct Song will be used by the database only, and DetachedSong will be used by everybody else. DetachedSong is easier to use, but Song has lower overhead.
121 lines
3.1 KiB
C++
121 lines
3.1 KiB
C++
/*
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* Copyright (C) 2003-2013 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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#include "config.h"
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#include "SongSticker.hxx"
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#include "StickerDatabase.hxx"
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#include "Song.hxx"
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#include "Directory.hxx"
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#include <glib.h>
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#include <assert.h>
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#include <string.h>
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std::string
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sticker_song_get_value(const Song &song, const char *name)
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{
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const auto uri = song.GetURI();
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return sticker_load_value("song", uri.c_str(), name);
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}
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bool
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sticker_song_set_value(const Song &song,
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const char *name, const char *value)
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{
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const auto uri = song.GetURI();
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return sticker_store_value("song", uri.c_str(), name, value);
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}
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bool
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sticker_song_delete(const Song &song)
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{
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const auto uri = song.GetURI();
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return sticker_delete("song", uri.c_str());
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}
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bool
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sticker_song_delete_value(const Song &song, const char *name)
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{
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const auto uri = song.GetURI();
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return sticker_delete_value("song", uri.c_str(), name);
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}
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struct sticker *
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sticker_song_get(const Song &song)
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{
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const auto uri = song.GetURI();
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return sticker_load("song", uri.c_str());
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}
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struct sticker_song_find_data {
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Directory *directory;
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const char *base_uri;
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size_t base_uri_length;
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void (*func)(Song &song, const char *value,
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void *user_data);
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void *user_data;
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};
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static void
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sticker_song_find_cb(const char *uri, const char *value, void *user_data)
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{
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struct sticker_song_find_data *data =
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(struct sticker_song_find_data *)user_data;
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if (memcmp(uri, data->base_uri, data->base_uri_length) != 0)
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/* should not happen, ignore silently */
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return;
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Song *song = data->directory->LookupSong(uri + data->base_uri_length);
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if (song != nullptr)
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data->func(*song, value, data->user_data);
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}
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bool
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sticker_song_find(Directory &directory, const char *name,
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void (*func)(Song &song, const char *value,
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void *user_data),
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void *user_data)
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{
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struct sticker_song_find_data data;
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data.directory = &directory;
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data.func = func;
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data.user_data = user_data;
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char *allocated;
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data.base_uri = directory.GetPath();
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if (*data.base_uri != 0)
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/* append slash to base_uri */
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data.base_uri = allocated =
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g_strconcat(data.base_uri, "/", nullptr);
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else
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/* searching in root directory - no trailing slash */
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allocated = nullptr;
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data.base_uri_length = strlen(data.base_uri);
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bool success = sticker_find("song", data.base_uri, name,
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sticker_song_find_cb, &data);
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g_free(allocated);
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return success;
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}
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