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| author | Max Kellermann <max@duempel.org> | 2014-01-29 18:14:57 +0100 |
|---|---|---|
| committer | Max Kellermann <max@duempel.org> | 2014-02-05 10:04:03 +0100 |
| commit | 9ae7f186bc43749383594807b1d751b5389161e7 (patch) | |
| tree | 0cafbfde8316c4b1a9ded19060d3020977a604dd /src/storage/LocalStorage.hxx | |
| parent | f8d114be42663006d162311c1ecaf4306e0b72e4 (diff) | |
| download | mpd-9ae7f186bc43749383594807b1d751b5389161e7.tar.gz mpd-9ae7f186bc43749383594807b1d751b5389161e7.tar.xz mpd-9ae7f186bc43749383594807b1d751b5389161e7.zip | |
LocalStorage: new API abstracting filesystem walk
Prepare to make this a new plugin API, for example to use a SMB share
for the music_directory.
Diffstat (limited to '')
| -rw-r--r-- | src/storage/LocalStorage.hxx | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/src/storage/LocalStorage.hxx b/src/storage/LocalStorage.hxx new file mode 100644 index 000000000..73c11dd80 --- /dev/null +++ b/src/storage/LocalStorage.hxx @@ -0,0 +1,89 @@ +/* + * 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. + */ + +#ifndef MPD_STORAGE_LOCAL_HXX +#define MPD_STORAGE_LOCAL_HXX + +#include "check.h" +#include "fs/AllocatedPath.hxx" +#include "fs/DirectoryReader.hxx" + +#include <string> + +struct FileInfo; + +class LocalDirectoryReader { + AllocatedPath base_fs; + + DirectoryReader reader; + + std::string name_utf8; + +public: + LocalDirectoryReader(AllocatedPath &&_base_fs) + :base_fs(std::move(_base_fs)), reader(base_fs) {} + + bool HasFailed() { + return reader.HasFailed(); + } + + const char *Read(); + + bool GetInfo(bool follow, FileInfo &info, Error &error); +}; + +class LocalStorage { + const std::string base_utf8; + const AllocatedPath base_fs; + +public: + LocalStorage(const char *_base_utf8, Path _base_fs) + :base_utf8(_base_utf8), base_fs(_base_fs) {} + + LocalStorage(const LocalStorage &) = delete; + + bool GetInfo(const char *uri_utf8, bool follow, FileInfo &info, + Error &error); + + LocalDirectoryReader *OpenDirectory(const char *uri_utf8, + Error &error); + + /** + * Map the given relative URI to an absolute URI. + */ + gcc_pure + std::string MapUTF8(const char *uri_utf8) const; + + /** + * Map the given relative URI to a local file path. Returns + * AllocatedPath::Null() on error or if this storage does not + * support local files. + */ + gcc_pure + AllocatedPath MapFS(const char *uri_utf8) const; + + gcc_pure + AllocatedPath MapChildFS(const char *uri_utf8, + const char *child_utf8) const; + +private: + AllocatedPath MapFS(const char *uri_utf8, Error &error) const; +}; + +#endif |