121 lines
3.1 KiB
C++
121 lines
3.1 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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#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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