2009-03-13 18:43:16 +01:00
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/*
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2014-01-13 22:30:36 +01:00
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* Copyright (C) 2003-2014 The Music Player Daemon Project
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2009-03-13 18:43:16 +01:00
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* http://www.musicpd.org
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2008-10-09 15:23:37 +02:00
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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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2009-03-13 18:43:16 +01:00
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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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2008-10-09 15:23:37 +02:00
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*/
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2009-11-12 09:12:38 +01:00
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#include "config.h"
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2013-01-02 19:52:57 +01:00
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#include "DirectorySave.hxx"
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2013-01-02 22:52:08 +01:00
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#include "Directory.hxx"
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2013-07-28 13:25:12 +02:00
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#include "Song.hxx"
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2013-01-02 19:52:57 +01:00
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#include "SongSave.hxx"
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2014-01-07 21:39:47 +01:00
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#include "DetachedSong.hxx"
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2013-01-02 19:52:57 +01:00
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#include "PlaylistDatabase.hxx"
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2013-12-06 22:22:58 +01:00
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#include "fs/TextFile.hxx"
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2013-11-28 18:48:35 +01:00
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#include "util/StringUtil.hxx"
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2013-10-21 09:48:31 +02:00
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#include "util/NumberParser.hxx"
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2013-08-10 18:02:44 +02:00
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#include "util/Error.hxx"
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#include "util/Domain.hxx"
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2008-10-09 15:23:37 +02:00
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2013-12-04 15:11:23 +01:00
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#include <stddef.h>
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2013-10-02 08:11:58 +02:00
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2012-02-13 19:24:17 +01:00
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#define DIRECTORY_DIR "directory: "
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2009-02-28 14:02:00 +01:00
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#define DIRECTORY_MTIME "mtime: "
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2009-02-27 19:30:16 +01:00
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#define DIRECTORY_BEGIN "begin: "
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#define DIRECTORY_END "end: "
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2013-08-10 18:02:44 +02:00
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static constexpr Domain directory_domain("directory");
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2009-03-02 15:42:42 +01:00
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2009-11-07 16:20:07 +01:00
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void
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2013-10-19 18:48:38 +02:00
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directory_save(FILE *fp, const Directory &directory)
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2008-10-09 15:23:37 +02:00
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{
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2013-10-19 18:48:38 +02:00
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if (!directory.IsRoot()) {
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2009-02-28 14:02:00 +01:00
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fprintf(fp, DIRECTORY_MTIME "%lu\n",
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2013-10-19 18:48:38 +02:00
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(unsigned long)directory.mtime);
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2009-02-28 14:02:00 +01:00
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2013-10-19 18:48:38 +02:00
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fprintf(fp, "%s%s\n", DIRECTORY_BEGIN, directory.GetPath());
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2008-10-09 15:23:37 +02:00
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}
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2013-01-02 23:06:20 +01:00
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Directory *cur;
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2012-01-24 18:20:58 +01:00
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directory_for_each_child(cur, directory) {
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2013-10-21 10:04:59 +02:00
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fprintf(fp, DIRECTORY_DIR "%s\n", cur->GetName());
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2009-11-07 16:20:07 +01:00
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2013-10-19 18:48:38 +02:00
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directory_save(fp, *cur);
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2009-11-07 16:20:07 +01:00
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if (ferror(fp))
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return;
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2008-10-09 15:23:37 +02:00
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}
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2013-07-28 13:25:12 +02:00
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Song *song;
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2012-01-24 21:33:09 +01:00
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directory_for_each_song(song, directory)
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2013-10-19 18:48:38 +02:00
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song_save(fp, *song);
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2008-10-09 15:23:37 +02:00
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2013-10-19 18:48:38 +02:00
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playlist_vector_save(fp, directory.playlists);
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2010-07-21 08:58:15 +02:00
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2013-10-19 18:48:38 +02:00
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if (!directory.IsRoot())
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fprintf(fp, DIRECTORY_END "%s\n", directory.GetPath());
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2008-10-09 15:23:37 +02:00
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}
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2013-01-02 23:06:20 +01:00
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static Directory *
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2013-10-19 18:48:38 +02:00
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directory_load_subdir(TextFile &file, Directory &parent, const char *name,
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2013-08-10 18:02:44 +02:00
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Error &error)
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2009-11-01 15:34:12 +01:00
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{
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bool success;
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2013-10-19 18:48:38 +02:00
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if (parent.FindChild(name) != nullptr) {
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2013-08-10 18:02:44 +02:00
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error.Format(directory_domain,
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"Duplicate subdirectory '%s'", name);
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2013-10-19 18:19:03 +02:00
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return nullptr;
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2009-11-01 15:34:13 +01:00
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}
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2013-10-19 18:48:38 +02:00
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Directory *directory = parent.CreateChild(name);
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2009-11-01 15:34:14 +01:00
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2013-01-03 10:16:05 +01:00
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const char *line = file.ReadLine();
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2013-10-19 18:19:03 +02:00
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if (line == nullptr) {
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2013-08-10 18:02:44 +02:00
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error.Set(directory_domain, "Unexpected end of file");
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2013-01-02 23:06:10 +01:00
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directory->Delete();
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2013-10-19 18:19:03 +02:00
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return nullptr;
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2009-11-01 15:34:12 +01:00
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}
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2013-11-28 18:48:35 +01:00
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if (StringStartsWith(line, DIRECTORY_MTIME)) {
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2009-11-01 15:34:14 +01:00
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directory->mtime =
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2013-10-21 09:48:31 +02:00
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ParseUint64(line + sizeof(DIRECTORY_MTIME) - 1);
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2009-11-01 15:34:12 +01:00
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2013-01-03 10:16:05 +01:00
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line = file.ReadLine();
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2013-10-19 18:19:03 +02:00
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if (line == nullptr) {
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2013-08-10 18:02:44 +02:00
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error.Set(directory_domain, "Unexpected end of file");
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2013-01-02 23:06:10 +01:00
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directory->Delete();
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2013-10-19 18:19:03 +02:00
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return nullptr;
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2009-11-01 15:34:12 +01:00
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}
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}
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2013-11-28 18:48:35 +01:00
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if (!StringStartsWith(line, DIRECTORY_BEGIN)) {
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2013-08-10 18:02:44 +02:00
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error.Format(directory_domain, "Malformed line: %s", line);
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2013-01-02 23:06:10 +01:00
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directory->Delete();
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2013-10-19 18:19:03 +02:00
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return nullptr;
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2009-11-01 15:34:12 +01:00
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}
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2013-10-19 18:48:38 +02:00
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success = directory_load(file, *directory, error);
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2009-11-01 15:34:13 +01:00
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if (!success) {
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2013-01-02 23:06:10 +01:00
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directory->Delete();
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2013-10-19 18:19:03 +02:00
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return nullptr;
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2009-11-01 15:34:13 +01:00
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}
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2009-11-01 15:34:12 +01:00
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return directory;
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}
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2009-03-02 15:42:42 +01:00
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bool
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2013-10-19 18:48:38 +02:00
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directory_load(TextFile &file, Directory &directory, Error &error)
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2008-10-09 15:23:37 +02:00
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{
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2009-11-01 15:37:16 +01:00
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const char *line;
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2008-10-09 15:23:37 +02:00
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2013-10-19 18:19:03 +02:00
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while ((line = file.ReadLine()) != nullptr &&
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2013-11-28 18:48:35 +01:00
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!StringStartsWith(line, DIRECTORY_END)) {
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if (StringStartsWith(line, DIRECTORY_DIR)) {
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2013-01-02 23:06:20 +01:00
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Directory *subdir =
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2013-01-03 10:16:05 +01:00
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directory_load_subdir(file, directory,
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2009-11-01 15:37:16 +01:00
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line + sizeof(DIRECTORY_DIR) - 1,
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2013-01-03 10:16:05 +01:00
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error);
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2013-10-19 18:19:03 +02:00
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if (subdir == nullptr)
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2009-03-02 15:42:42 +01:00
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return false;
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2013-11-28 18:48:35 +01:00
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} else if (StringStartsWith(line, SONG_BEGIN)) {
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2009-11-01 17:51:29 +01:00
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const char *name = line + sizeof(SONG_BEGIN) - 1;
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2013-10-19 18:48:38 +02:00
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if (directory.FindSong(name) != nullptr) {
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2013-08-10 18:02:44 +02:00
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error.Format(directory_domain,
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"Duplicate song '%s'", name);
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2013-01-02 19:52:57 +01:00
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return false;
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2009-11-01 17:51:29 +01:00
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}
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2014-01-07 21:39:47 +01:00
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DetachedSong *song = song_load(file, name, error);
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2013-10-19 18:19:03 +02:00
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if (song == nullptr)
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2009-07-05 08:29:52 +02:00
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return false;
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2009-11-01 17:51:29 +01:00
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2014-01-07 21:39:47 +01:00
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directory.AddSong(Song::NewFrom(std::move(*song),
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&directory));
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delete song;
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2013-11-28 18:48:35 +01:00
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} else if (StringStartsWith(line, PLAYLIST_META_BEGIN)) {
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2013-12-04 15:11:23 +01:00
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const char *name = line + sizeof(PLAYLIST_META_BEGIN) - 1;
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2013-10-19 18:48:38 +02:00
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if (!playlist_metadata_load(file, directory.playlists,
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2013-12-04 15:11:23 +01:00
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name, error))
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2010-07-21 08:58:15 +02:00
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return false;
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2008-10-09 15:23:37 +02:00
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} else {
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2013-08-10 18:02:44 +02:00
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error.Format(directory_domain,
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"Malformed line: %s", line);
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2009-03-02 15:42:42 +01:00
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return false;
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2008-10-09 15:23:37 +02:00
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}
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}
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2009-03-02 15:42:42 +01:00
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return true;
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2008-10-09 15:23:37 +02:00
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}
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