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db/Interface: pass std::string_view to GetSong()

This commit is contained in:
Max Kellermann 2020-04-03 16:33:45 +02:00
parent 212401d687
commit 57fb153c5d
6 changed files with 13 additions and 20 deletions
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2
src/db/Interface.hxx
View File

@ -75,7 +75,7 @@ public:
* directory (UTF-8)
* @return a pointer that must be released with ReturnSong()
*/
virtual const LightSong *GetSong(const char *uri_utf8) const = 0;
virtual const LightSong *GetSong(std::string_view uri_utf8) const = 0;
/**
* Mark the song object as "unused". Call this on objects

6
src/db/Uri.hxx
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@ -22,12 +22,6 @@
#include <string_view>
static inline bool
isRootDirectory(const char *name)
{
return name[0] == 0 || (name[0] == '/' && name[1] == 0);
}
static inline bool
isRootDirectory(std::string_view name) noexcept
{

6
src/db/plugins/ProxyDatabasePlugin.cxx
View File

@ -121,7 +121,7 @@ public:
void Open() override;
void Close() noexcept override;
const LightSong *GetSong(const char *uri_utf8) const override;
const LightSong *GetSong(std::string_view uri_utf8) const override;
void ReturnSong(const LightSong *song) const noexcept override;
void Visit(const DatabaseSelection &selection,
@ -641,12 +641,12 @@ ProxyDatabase::OnIdle() noexcept
}
const LightSong *
ProxyDatabase::GetSong(const char *uri) const
ProxyDatabase::GetSong(std::string_view uri) const
{
// TODO: eliminate the const_cast
const_cast<ProxyDatabase *>(this)->EnsureConnected();
if (!mpd_send_list_meta(connection, uri))
if (!mpd_send_list_meta(connection, std::string(uri).c_str()))
ThrowError(connection);
struct mpd_song *song = mpd_recv_song(connection);

8
src/db/plugins/simple/SimpleDatabasePlugin.cxx
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@ -197,7 +197,7 @@ SimpleDatabase::Close() noexcept
}
const LightSong *
SimpleDatabase::GetSong(const char *uri) const
SimpleDatabase::GetSong(std::string_view uri) const
{
assert(root != nullptr);
assert(prefixed_light_song == nullptr);
@ -211,10 +211,8 @@ SimpleDatabase::GetSong(const char *uri) const
/* pass the request to the mounted database */
protect.unlock();
/* note: r.rest.data() is actually null-terminated
because it points inside the "uri" parameter */
const LightSong *song =
r.directory->mounted_database->GetSong(r.rest.data());
r.directory->mounted_database->GetSong(r.rest);
if (song == nullptr)
return nullptr;
@ -224,7 +222,7 @@ SimpleDatabase::GetSong(const char *uri) const
return prefixed_light_song;
}
if (r.rest.data() == nullptr)
if (r.rest.empty())
/* it's a directory */
throw DatabaseError(DatabaseErrorCode::NOT_FOUND,
"No such song");

2
src/db/plugins/simple/SimpleDatabasePlugin.hxx
View File

@ -114,7 +114,7 @@ public:
void Open() override;
void Close() noexcept override;
const LightSong *GetSong(const char *uri_utf8) const override;
const LightSong *GetSong(std::string_view uri_utf8) const override;
void ReturnSong(const LightSong *song) const noexcept override;
void Visit(const DatabaseSelection &selection,

9
src/db/plugins/upnp/UpnpDatabasePlugin.cxx
View File

@ -62,8 +62,9 @@ class UpnpSong : UpnpSongData, public LightSong {
std::string real_uri2;
public:
UpnpSong(UPnPDirObject &&object, std::string &&_uri) noexcept
:UpnpSongData(std::move(_uri), std::move(object.tag)),
template<typename U>
UpnpSong(UPnPDirObject &&object, U &&_uri) noexcept
:UpnpSongData(std::forward<U>(_uri), std::move(object.tag)),
LightSong(UpnpSongData::uri.c_str(), UpnpSongData::tag),
real_uri2(std::move(object.url)) {
real_uri = real_uri2.c_str();
@ -87,7 +88,7 @@ public:
void Open() override;
void Close() noexcept override;
const LightSong *GetSong(const char *uri_utf8) const override;
const LightSong *GetSong(std::string_view uri_utf8) const override;
void ReturnSong(const LightSong *song) const noexcept override;
void Visit(const DatabaseSelection &selection,
@ -185,7 +186,7 @@ UpnpDatabase::ReturnSong(const LightSong *_song) const noexcept
// Get song info by path. We can receive either the id path, or the titles
// one
const LightSong *
UpnpDatabase::GetSong(const char *uri) const
UpnpDatabase::GetSong(std::string_view uri) const
{
auto vpath = SplitString(uri, '/');
if (vpath.empty())