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Diffstat (limited to '')
-rw-r--r-- | src/db/plugins/simple/Mount.cxx | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/src/db/plugins/simple/Mount.cxx b/src/db/plugins/simple/Mount.cxx new file mode 100644 index 000000000..96c7bbb5c --- /dev/null +++ b/src/db/plugins/simple/Mount.cxx @@ -0,0 +1,96 @@ +/* + * 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 "Mount.hxx" +#include "PrefixedLightSong.hxx" +#include "db/Selection.hxx" +#include "db/LightDirectory.hxx" +#include "db/LightSong.hxx" +#include "db/Interface.hxx" +#include "fs/Traits.hxx" +#include "util/Error.hxx" + +#include <string> + +struct PrefixedLightDirectory : LightDirectory { + std::string buffer; + + PrefixedLightDirectory(const LightDirectory &directory, + const char *base) + :LightDirectory(directory), + buffer(IsRoot() + ? std::string(base) + : PathTraitsUTF8::Build(base, uri)) { + uri = buffer.c_str(); + } +}; + +static bool +PrefixVisitDirectory(const char *base, const VisitDirectory &visit_directory, + const LightDirectory &directory, Error &error) +{ + return visit_directory(PrefixedLightDirectory(directory, base), error); +} + +static bool +PrefixVisitSong(const char *base, const VisitSong &visit_song, + const LightSong &song, Error &error) +{ + return visit_song(PrefixedLightSong(song, base), error); +} + +static bool +PrefixVisitPlaylist(const char *base, const VisitPlaylist &visit_playlist, + const PlaylistInfo &playlist, + const LightDirectory &directory, + Error &error) +{ + return visit_playlist(playlist, + PrefixedLightDirectory(directory, base), + error); +} + +bool +WalkMount(const char *base, const Database &db, + bool recursive, const SongFilter *filter, + const VisitDirectory &visit_directory, const VisitSong &visit_song, + const VisitPlaylist &visit_playlist, + Error &error) +{ + using namespace std::placeholders; + + VisitDirectory vd; + if (visit_directory) + vd = std::bind(PrefixVisitDirectory, + base, std::ref(visit_directory), _1, _2); + + VisitSong vs; + if (visit_song) + vs = std::bind(PrefixVisitSong, + base, std::ref(visit_song), _1, _2); + + VisitPlaylist vp; + if (visit_playlist) + vp = std::bind(PrefixVisitPlaylist, + base, std::ref(visit_playlist), _1, _2, _3); + + return db.Visit(DatabaseSelection("", recursive, filter), + vd, vs, vp, error); +} |