From 4d73e4d605a8abecff28b7e8c015d252b25954a9 Mon Sep 17 00:00:00 2001 From: Max Kellermann Date: Wed, 26 Feb 2014 09:17:41 +0100 Subject: db/simple: create dedicated directory --- src/db/DirectorySave.cxx | 207 ----------------------------------------------- 1 file changed, 207 deletions(-) delete mode 100644 src/db/DirectorySave.cxx (limited to 'src/db/DirectorySave.cxx') diff --git a/src/db/DirectorySave.cxx b/src/db/DirectorySave.cxx deleted file mode 100644 index 6cc5df6cb..000000000 --- a/src/db/DirectorySave.cxx +++ /dev/null @@ -1,207 +0,0 @@ -/* - * Copyright (C) 2003-2014 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. - */ - -#include "config.h" -#include "DirectorySave.hxx" -#include "Directory.hxx" -#include "Song.hxx" -#include "SongSave.hxx" -#include "DetachedSong.hxx" -#include "PlaylistDatabase.hxx" -#include "fs/TextFile.hxx" -#include "util/StringUtil.hxx" -#include "util/NumberParser.hxx" -#include "util/Error.hxx" -#include "util/Domain.hxx" - -#include -#include - -#define DIRECTORY_DIR "directory: " -#define DIRECTORY_TYPE "type: " -#define DIRECTORY_MTIME "mtime: " -#define DIRECTORY_BEGIN "begin: " -#define DIRECTORY_END "end: " - -static constexpr Domain directory_domain("directory"); - -gcc_const -static const char * -DeviceToTypeString(unsigned device) -{ - switch (device) { - case DEVICE_INARCHIVE: - return "archive"; - - case DEVICE_CONTAINER: - return "container"; - - default: - return nullptr; - } -} - -gcc_pure -static unsigned -ParseTypeString(const char *type) -{ - if (strcmp(type, "archive") == 0) - return DEVICE_INARCHIVE; - else if (strcmp(type, "container") == 0) - return DEVICE_CONTAINER; - else - return 0; -} - -void -directory_save(FILE *fp, const Directory &directory) -{ - if (!directory.IsRoot()) { - const char *type = DeviceToTypeString(directory.device); - if (type != nullptr) - fprintf(fp, DIRECTORY_TYPE "%s\n", type); - - if (directory.mtime != 0) - fprintf(fp, DIRECTORY_MTIME "%lu\n", - (unsigned long)directory.mtime); - - fprintf(fp, "%s%s\n", DIRECTORY_BEGIN, directory.GetPath()); - } - - Directory *cur; - directory_for_each_child(cur, directory) { - fprintf(fp, DIRECTORY_DIR "%s\n", cur->GetName()); - - directory_save(fp, *cur); - - if (ferror(fp)) - return; - } - - Song *song; - directory_for_each_song(song, directory) - song_save(fp, *song); - - playlist_vector_save(fp, directory.playlists); - - if (!directory.IsRoot()) - fprintf(fp, DIRECTORY_END "%s\n", directory.GetPath()); -} - -static bool -ParseLine(Directory &directory, const char *line) -{ - if (StringStartsWith(line, DIRECTORY_MTIME)) { - directory.mtime = - ParseUint64(line + sizeof(DIRECTORY_MTIME) - 1); - } else if (StringStartsWith(line, DIRECTORY_TYPE)) { - directory.device = - ParseTypeString(line + sizeof(DIRECTORY_TYPE) - 1); - } else - return false; - - return true; -} - -static Directory * -directory_load_subdir(TextFile &file, Directory &parent, const char *name, - Error &error) -{ - bool success; - - if (parent.FindChild(name) != nullptr) { - error.Format(directory_domain, - "Duplicate subdirectory '%s'", name); - return nullptr; - } - - Directory *directory = parent.CreateChild(name); - - while (true) { - const char *line = file.ReadLine(); - if (line == nullptr) { - error.Set(directory_domain, "Unexpected end of file"); - directory->Delete(); - return nullptr; - } - - if (StringStartsWith(line, DIRECTORY_BEGIN)) - break; - - if (!ParseLine(*directory, line)) { - error.Format(directory_domain, - "Malformed line: %s", line); - directory->Delete(); - return nullptr; - } - } - - success = directory_load(file, *directory, error); - if (!success) { - directory->Delete(); - return nullptr; - } - - return directory; -} - -bool -directory_load(TextFile &file, Directory &directory, Error &error) -{ - const char *line; - - while ((line = file.ReadLine()) != nullptr && - !StringStartsWith(line, DIRECTORY_END)) { - if (StringStartsWith(line, DIRECTORY_DIR)) { - Directory *subdir = - directory_load_subdir(file, directory, - line + sizeof(DIRECTORY_DIR) - 1, - error); - if (subdir == nullptr) - return false; - } else if (StringStartsWith(line, SONG_BEGIN)) { - const char *name = line + sizeof(SONG_BEGIN) - 1; - - if (directory.FindSong(name) != nullptr) { - error.Format(directory_domain, - "Duplicate song '%s'", name); - return false; - } - - DetachedSong *song = song_load(file, name, error); - if (song == nullptr) - return false; - - directory.AddSong(Song::NewFrom(std::move(*song), - directory)); - delete song; - } else if (StringStartsWith(line, PLAYLIST_META_BEGIN)) { - const char *name = line + sizeof(PLAYLIST_META_BEGIN) - 1; - if (!playlist_metadata_load(file, directory.playlists, - name, error)) - return false; - } else { - error.Format(directory_domain, - "Malformed line: %s", line); - return false; - } - } - - return true; -} -- cgit v1.2.3