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Diffstat (limited to '')
-rw-r--r-- | src/SongLoader.cxx | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/src/SongLoader.cxx b/src/SongLoader.cxx new file mode 100644 index 000000000..2ed34671c --- /dev/null +++ b/src/SongLoader.cxx @@ -0,0 +1,102 @@ +/* + * 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 "SongLoader.hxx" +#include "client/Client.hxx" +#include "Mapper.hxx" +#include "db/DatabaseSong.hxx" +#include "ls.hxx" +#include "fs/AllocatedPath.hxx" +#include "fs/Traits.hxx" +#include "util/UriUtil.hxx" +#include "util/Error.hxx" +#include "DetachedSong.hxx" +#include "PlaylistError.hxx" + +#include <assert.h> +#include <string.h> + +DetachedSong * +SongLoader::LoadFile(const char *path_utf8, Error &error) const +{ +#ifdef ENABLE_DATABASE + /* TODO fs_charset vs utf8? */ + const char *suffix = map_to_relative_path(path_utf8); + assert(suffix != nullptr); + + if (suffix != path_utf8) + /* this path was relative to the music directory - + obtain it from the database */ + return LoadSong(suffix, error); +#endif + + if (client != nullptr) { + const auto path_fs = AllocatedPath::FromUTF8(path_utf8, error); + if (path_fs.IsNull()) + return nullptr; + + if (!client->AllowFile(path_fs, error)) + return nullptr; + } + + DetachedSong *song = new DetachedSong(path_utf8); + if (!song->Update()) { + error.Set(playlist_domain, int(PlaylistResult::NO_SUCH_SONG), + "No such file"); + delete song; + return nullptr; + } + + return song; +} + +DetachedSong * +SongLoader::LoadSong(const char *uri_utf8, Error &error) const +{ + assert(uri_utf8 != nullptr); + + if (memcmp(uri_utf8, "file:///", 8) == 0) + /* absolute path */ + return LoadFile(uri_utf8 + 7, error); + else if (PathTraitsUTF8::IsAbsolute(uri_utf8)) + /* absolute path */ + return LoadFile(uri_utf8, error); + else if (uri_has_scheme(uri_utf8)) { + /* remove URI */ + if (!uri_supported_scheme(uri_utf8)) { + error.Set(playlist_domain, + int(PlaylistResult::NO_SUCH_SONG), + "Unsupported URI scheme"); + return nullptr; + } + + return new DetachedSong(uri_utf8); + } else { + /* URI relative to the music directory */ + +#ifdef ENABLE_DATABASE + return DatabaseDetachSong(uri_utf8, error); +#else + error.Set(playlist_domain, int(PlaylistResult::NO_SUCH_SONG), + "No database"); + return nullptr; +#endif + } +} |