diff options
Diffstat (limited to 'src/db')
-rw-r--r-- | src/db/PlaylistInfo.hxx | 63 | ||||
-rw-r--r-- | src/db/PlaylistVector.cxx | 66 | ||||
-rw-r--r-- | src/db/PlaylistVector.hxx | 56 | ||||
-rw-r--r-- | src/db/plugins/ProxyDatabasePlugin.cxx | 2 | ||||
-rw-r--r-- | src/db/update/UpdateDatabase.cxx | 2 | ||||
-rw-r--r-- | src/db/update/UpdateWalk.cxx | 2 |
6 files changed, 188 insertions, 3 deletions
diff --git a/src/db/PlaylistInfo.hxx b/src/db/PlaylistInfo.hxx new file mode 100644 index 000000000..baa6cc361 --- /dev/null +++ b/src/db/PlaylistInfo.hxx @@ -0,0 +1,63 @@ +/* + * 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_PLAYLIST_INFO_HXX +#define MPD_PLAYLIST_INFO_HXX + +#include "check.h" +#include "Compiler.h" + +#include <string> + +#include <sys/time.h> + +/** + * A directory entry pointing to a playlist file. + */ +struct PlaylistInfo { + /** + * The UTF-8 encoded name of the playlist file. + */ + std::string name; + + time_t mtime; + + class CompareName { + const char *const name; + + public: + constexpr CompareName(const char *_name):name(_name) {} + + gcc_pure + bool operator()(const PlaylistInfo &pi) const { + return pi.name.compare(name) == 0; + } + }; + + PlaylistInfo() = default; + + template<typename N> + PlaylistInfo(N &&_name, time_t _mtime) + :name(std::forward<N>(_name)), mtime(_mtime) {} + + PlaylistInfo(const PlaylistInfo &other) = delete; + PlaylistInfo(PlaylistInfo &&) = default; +}; + +#endif diff --git a/src/db/PlaylistVector.cxx b/src/db/PlaylistVector.cxx new file mode 100644 index 000000000..82a3519d9 --- /dev/null +++ b/src/db/PlaylistVector.cxx @@ -0,0 +1,66 @@ +/* + * 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 "PlaylistVector.hxx" +#include "db/DatabaseLock.hxx" + +#include <algorithm> + +#include <assert.h> + +PlaylistVector::iterator +PlaylistVector::find(const char *name) +{ + assert(holding_db_lock()); + assert(name != nullptr); + + return std::find_if(begin(), end(), + PlaylistInfo::CompareName(name)); +} + +bool +PlaylistVector::UpdateOrInsert(PlaylistInfo &&pi) +{ + assert(holding_db_lock()); + + auto i = find(pi.name.c_str()); + if (i != end()) { + if (pi.mtime == i->mtime) + return false; + + i->mtime = pi.mtime; + } else + push_back(std::move(pi)); + + return true; +} + +bool +PlaylistVector::erase(const char *name) +{ + assert(holding_db_lock()); + + auto i = find(name); + if (i == end()) + return false; + + erase(i); + return true; +} diff --git a/src/db/PlaylistVector.hxx b/src/db/PlaylistVector.hxx new file mode 100644 index 000000000..8820ead5c --- /dev/null +++ b/src/db/PlaylistVector.hxx @@ -0,0 +1,56 @@ +/* + * 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_PLAYLIST_VECTOR_HXX +#define MPD_PLAYLIST_VECTOR_HXX + +#include "PlaylistInfo.hxx" +#include "Compiler.h" + +#include <list> + +class PlaylistVector : protected std::list<PlaylistInfo> { +protected: + /** + * Caller must lock the #db_mutex. + */ + gcc_pure + iterator find(const char *name); + +public: + using std::list<PlaylistInfo>::empty; + using std::list<PlaylistInfo>::begin; + using std::list<PlaylistInfo>::end; + using std::list<PlaylistInfo>::push_back; + using std::list<PlaylistInfo>::erase; + + /** + * Caller must lock the #db_mutex. + * + * @return true if the vector or one of its items was modified + */ + bool UpdateOrInsert(PlaylistInfo &&pi); + + /** + * Caller must lock the #db_mutex. + */ + bool erase(const char *name); +}; + +#endif /* SONGVEC_H */ diff --git a/src/db/plugins/ProxyDatabasePlugin.cxx b/src/db/plugins/ProxyDatabasePlugin.cxx index daa963c7d..291b1bc1f 100644 --- a/src/db/plugins/ProxyDatabasePlugin.cxx +++ b/src/db/plugins/ProxyDatabasePlugin.cxx @@ -23,7 +23,7 @@ #include "db/DatabaseListener.hxx" #include "db/Selection.hxx" #include "db/DatabaseError.hxx" -#include "PlaylistInfo.hxx" +#include "db/PlaylistInfo.hxx" #include "db/LightDirectory.hxx" #include "db/LightSong.hxx" #include "SongFilter.hxx" diff --git a/src/db/update/UpdateDatabase.cxx b/src/db/update/UpdateDatabase.cxx index 8ef0b6d82..72a68de14 100644 --- a/src/db/update/UpdateDatabase.cxx +++ b/src/db/update/UpdateDatabase.cxx @@ -20,7 +20,7 @@ #include "config.h" /* must be first for large file support */ #include "UpdateDatabase.hxx" #include "UpdateRemove.hxx" -#include "PlaylistVector.hxx" +#include "db/PlaylistVector.hxx" #include "db/Directory.hxx" #include "db/Song.hxx" #include "db/DatabaseLock.hxx" diff --git a/src/db/update/UpdateWalk.cxx b/src/db/update/UpdateWalk.cxx index c5a9936e9..75924a7f7 100644 --- a/src/db/update/UpdateWalk.cxx +++ b/src/db/update/UpdateWalk.cxx @@ -28,7 +28,7 @@ #include "db/DatabaseSimple.hxx" #include "db/Directory.hxx" #include "db/Song.hxx" -#include "PlaylistVector.hxx" +#include "db/PlaylistVector.hxx" #include "playlist/PlaylistRegistry.hxx" #include "Mapper.hxx" #include "ExcludeList.hxx" |