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db/Interface: add "noexcept"

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This commit is contained in:
Max Kellermann 2018-09-02 10:16:43 +02:00
parent c59be7ced3
commit 81b734be10
5 changed files with 39 additions and 39 deletions
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12
src/db/Interface.hxx
View File

@ -36,19 +36,19 @@ class Database {
const DatabasePlugin &plugin;
public:
Database(const DatabasePlugin &_plugin)
Database(const DatabasePlugin &_plugin) noexcept
:plugin(_plugin) {}
/**
* Free instance data.
*/
virtual ~Database() {}
virtual ~Database() noexcept = default;
const DatabasePlugin &GetPlugin() const {
const DatabasePlugin &GetPlugin() const noexcept {
return plugin;
}
bool IsPlugin(const DatabasePlugin &other) const {
bool IsPlugin(const DatabasePlugin &other) const noexcept {
return &plugin == &other;
}
@ -63,7 +63,7 @@ public:
/**
* Close the database, free allocated memory.
*/
virtual void Close() {}
virtual void Close() noexcept {}
/**
* Look up a song (including tag data) in the database. When
@ -82,7 +82,7 @@ public:
* Mark the song object as "unused". Call this on objects
* returned by GetSong().
*/
virtual void ReturnSong(const LightSong *song) const = 0;
virtual void ReturnSong(const LightSong *song) const noexcept = 0;
/**
* Visit the selected entities.

24
src/db/plugins/ProxyDatabasePlugin.cxx
View File

@ -118,9 +118,9 @@ public:
const ConfigBlock &block);
void Open() override;
void Close() override;
void Close() noexcept override;
const LightSong *GetSong(const char *uri_utf8) const override;
void ReturnSong(const LightSong *song) const override;
void ReturnSong(const LightSong *song) const noexcept override;
void Visit(const DatabaseSelection &selection,
VisitDirectory visit_directory,
@ -144,7 +144,7 @@ private:
void CheckConnection();
void EnsureConnected();
void Disconnect();
void Disconnect() noexcept;
/* virtual methods from SocketMonitor */
bool OnSocketReady(unsigned flags) noexcept override;
@ -193,7 +193,7 @@ static constexpr struct {
static void
Copy(TagBuilder &tag, TagType d_tag,
const struct mpd_song *song, enum mpd_tag_type s_tag)
const struct mpd_song *song, enum mpd_tag_type s_tag) noexcept
{
for (unsigned i = 0;; ++i) {
@ -440,7 +440,7 @@ ProxyDatabase::Open()
}
void
ProxyDatabase::Close()
ProxyDatabase::Close() noexcept
{
if (connection != nullptr)
Disconnect();
@ -522,7 +522,7 @@ ProxyDatabase::EnsureConnected()
}
void
ProxyDatabase::Disconnect()
ProxyDatabase::Disconnect() noexcept
{
assert(connection != nullptr);
@ -621,7 +621,7 @@ ProxyDatabase::GetSong(const char *uri) const
}
void
ProxyDatabase::ReturnSong(const LightSong *_song) const
ProxyDatabase::ReturnSong(const LightSong *_song) const noexcept
{
assert(_song != nullptr);
@ -700,30 +700,30 @@ class ProxyEntity {
struct mpd_entity *entity;
public:
explicit ProxyEntity(struct mpd_entity *_entity)
explicit ProxyEntity(struct mpd_entity *_entity) noexcept
:entity(_entity) {}
ProxyEntity(const ProxyEntity &other) = delete;
ProxyEntity(ProxyEntity &&other)
ProxyEntity(ProxyEntity &&other) noexcept
:entity(other.entity) {
other.entity = nullptr;
}
~ProxyEntity() {
~ProxyEntity() noexcept {
if (entity != nullptr)
mpd_entity_free(entity);
}
ProxyEntity &operator=(const ProxyEntity &other) = delete;
operator const struct mpd_entity *() const {
operator const struct mpd_entity *() const noexcept {
return entity;
}
};
static std::list<ProxyEntity>
ReceiveEntities(struct mpd_connection *connection)
ReceiveEntities(struct mpd_connection *connection) noexcept
{
std::list<ProxyEntity> entities;
struct mpd_entity *entity;

12
src/db/plugins/simple/SimpleDatabasePlugin.cxx
View File

@ -72,7 +72,7 @@ inline SimpleDatabase::SimpleDatabase(AllocatedPath &&_path,
#ifndef ENABLE_ZLIB
gcc_unused
#endif
bool _compress)
bool _compress) noexcept
:Database(simple_db_plugin),
path(std::move(_path)),
path_utf8(path.ToUTF8()),
@ -187,7 +187,7 @@ SimpleDatabase::Open()
}
void
SimpleDatabase::Close()
SimpleDatabase::Close() noexcept
{
assert(root != nullptr);
assert(prefixed_light_song == nullptr);
@ -247,7 +247,7 @@ SimpleDatabase::GetSong(const char *uri) const
}
void
SimpleDatabase::ReturnSong(gcc_unused const LightSong *song) const
SimpleDatabase::ReturnSong(gcc_unused const LightSong *song) const noexcept
{
assert(song != nullptr);
assert(song == &light_song.Get() || song == prefixed_light_song);
@ -448,8 +448,8 @@ SimpleDatabase::Mount(const char *local_uri, const char *storage_uri)
}
}
Database *
SimpleDatabase::LockUmountSteal(const char *uri)
inline Database *
SimpleDatabase::LockUmountSteal(const char *uri) noexcept
{
ScopeDatabaseLock protect;
@ -465,7 +465,7 @@ SimpleDatabase::LockUmountSteal(const char *uri)
}
bool
SimpleDatabase::Unmount(const char *uri)
SimpleDatabase::Unmount(const char *uri) noexcept
{
Database *db = LockUmountSteal(uri);
if (db == nullptr)

10
src/db/plugins/simple/SimpleDatabasePlugin.hxx
View File

@ -70,7 +70,7 @@ class SimpleDatabase : public Database {
SimpleDatabase(const ConfigBlock &block);
SimpleDatabase(AllocatedPath &&_path, bool _compress);
SimpleDatabase(AllocatedPath &&_path, bool _compress) noexcept;
public:
static Database *Create(EventLoop &main_event_loop,
@ -108,14 +108,14 @@ public:
void Mount(const char *local_uri, const char *storage_uri);
gcc_nonnull_all
bool Unmount(const char *uri);
bool Unmount(const char *uri) noexcept;
/* virtual methods from class Database */
void Open() override;
void Close() override;
void Close() noexcept override;
const LightSong *GetSong(const char *uri_utf8) const override;
void ReturnSong(const LightSong *song) const override;
void ReturnSong(const LightSong *song) const noexcept override;
void Visit(const DatabaseSelection &selection,
VisitDirectory visit_directory,
@ -142,7 +142,7 @@ private:
*/
void Load();
Database *LockUmountSteal(const char *uri);
Database *LockUmountSteal(const char *uri) noexcept;
};
extern const DatabasePlugin simple_db_plugin;

20
src/db/plugins/upnp/UpnpDatabasePlugin.cxx
View File

@ -63,7 +63,7 @@ class UpnpSong : UpnpSongData, public LightSong {
std::string real_uri2;
public:
UpnpSong(UPnPDirObject &&object, std::string &&_uri)
UpnpSong(UPnPDirObject &&object, std::string &&_uri) noexcept
:UpnpSongData(std::move(_uri), std::move(object.tag)),
LightSong(UpnpSongData::uri.c_str(), UpnpSongData::tag),
real_uri2(std::move(object.url)) {
@ -77,19 +77,19 @@ class UpnpDatabase : public Database {
UPnPDeviceDirectory *discovery;
public:
explicit UpnpDatabase(EventLoop &_event_loop)
explicit UpnpDatabase(EventLoop &_event_loop) noexcept
:Database(upnp_db_plugin),
event_loop(_event_loop) {}
static Database *Create(EventLoop &main_event_loop,
EventLoop &io_event_loop,
DatabaseListener &listener,
const ConfigBlock &block);
const ConfigBlock &block) noexcept;
void Open() override;
void Close() override;
void Close() noexcept override;
const LightSong *GetSong(const char *uri_utf8) const override;
void ReturnSong(const LightSong *song) const override;
void ReturnSong(const LightSong *song) const noexcept override;
void Visit(const DatabaseSelection &selection,
VisitDirectory visit_directory,
@ -148,7 +148,7 @@ private:
Database *
UpnpDatabase::Create(EventLoop &, EventLoop &io_event_loop,
gcc_unused DatabaseListener &listener,
const ConfigBlock &)
const ConfigBlock &) noexcept
{
return new UpnpDatabase(io_event_loop);
}
@ -169,14 +169,14 @@ UpnpDatabase::Open()
}
void
UpnpDatabase::Close()
UpnpDatabase::Close() noexcept
{
delete discovery;
UpnpClientGlobalFinish();
}
void
UpnpDatabase::ReturnSong(const LightSong *_song) const
UpnpDatabase::ReturnSong(const LightSong *_song) const noexcept
{
assert(_song != nullptr);
@ -220,7 +220,7 @@ UpnpDatabase::GetSong(const char *uri) const
* Double-quote a string, adding internal backslash escaping.
*/
static void
dquote(std::string &out, const char *in)
dquote(std::string &out, const char *in) noexcept
{
out.push_back('"');
@ -333,7 +333,7 @@ visitSong(const UPnPDirObject &meta, const char *path,
*/
static std::string
songPath(const std::string &servername,
const std::string &objid)
const std::string &objid) noexcept
{
return servername + "/" + rootid + "/" + objid;
}