mpd/src/db/update/SpecialDirectory.cxx
2022-07-14 17:59:35 +02:00

84 lines
2.3 KiB
C++

/*
* Copyright 2003-2022 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 "db/plugins/simple/Directory.hxx"
#include "archive/ArchiveList.hxx"
#include "decoder/DecoderList.hxx"
#include "playlist/PlaylistRegistry.hxx"
#include "fs/Traits.hxx"
gcc_pure
static bool
HaveArchivePluginForFilename(const char *filename) noexcept
{
#ifdef ENABLE_ARCHIVE
const char *suffix = PathTraitsUTF8::GetFilenameSuffix(filename);
return suffix != nullptr &&
archive_plugin_from_suffix(suffix) != nullptr;
#else
(void)filename;
return false;
#endif
}
gcc_pure
static bool
HaveContainerPluginForFilename(const char *filename) noexcept
{
const char *suffix = PathTraitsUTF8::GetFilenameSuffix(filename);
return suffix != nullptr &&
// TODO: check if this plugin really supports containers
decoder_plugins_supports_suffix(suffix);
}
gcc_pure
static bool
HavePlaylistPluginForFilename(const char *filename) noexcept
{
const char *suffix = PathTraitsUTF8::GetFilenameSuffix(filename);
if (suffix == nullptr)
return false;
const auto plugin = FindPlaylistPluginBySuffix(suffix);
if (plugin == nullptr)
return false;
/* discard the special directory if the user disables the
plugin's "as_directory" setting */
return GetPlaylistPluginAsFolder(*plugin);
}
bool
Directory::IsPluginAvailable() const noexcept
{
switch (device) {
case DEVICE_INARCHIVE:
return HaveArchivePluginForFilename(GetName());
case DEVICE_CONTAINER:
return HaveContainerPluginForFilename(GetName());
case DEVICE_PLAYLIST:
return HavePlaylistPluginForFilename(GetName());
default:
return true;
}
}