* This allows access to all the ports as a list, ignoring type, or accessing
* the nth port of a given type. Note that port(n) and nth_audio_port(n) may
* NOT return the same port.
+ *
+ * Each port is held twice; once in a per-type vector of vectors (_ports)
+ * and once in a vector of all port (_all_ports). This is to speed up the
+ * fairly common case of iterating over all ports.
*/
-class PortSet : public boost::noncopyable {
+class LIBARDOUR_API PortSet : public boost::noncopyable {
public:
PortSet();
size_t num_ports() const;
size_t num_ports(DataType type) const { return _ports[type].size(); }
- void add(Port* port);
- bool remove(Port* port);
+ void add (boost::shared_ptr<Port> port);
+ bool remove (boost::shared_ptr<Port> port);
- /** nth port */
- Port* port(size_t index) const;
+ /** nth port
+ * @param index port index
+ */
+ boost::shared_ptr<Port> port(size_t index) const;
- /** nth port of type @a t, or nth port if t = NIL */
- Port* port(DataType t, size_t index) const;
+ /** nth port of type @a t, or nth port if t = NIL
+ * @param t data type
+ * @param index port index
+ */
+ boost::shared_ptr<Port> port(DataType t, size_t index) const;
- AudioPort* nth_audio_port(size_t n) const;
+ boost::shared_ptr<AudioPort> nth_audio_port(size_t n) const;
- MidiPort* nth_midi_port(size_t n) const;
+ boost::shared_ptr<MidiPort> nth_midi_port(size_t n) const;
- bool contains(const Port* port) const;
+ bool contains (boost::shared_ptr<const Port> port) const;
/** Remove all ports from the PortSet. Ports are not deregistered with
* the engine, it's the caller's responsibility to not leak here!
*/
- void clear() { _ports.clear(); }
+ void clear();
const ChanCount& count() const { return _count; }
template<typename PS, typename P>
class iterator_base {
public:
- P& operator*() { return *_set.port(_type, _index); }
- P* operator->() { return _set.port(_type, _index); }
+ boost::shared_ptr<P> operator*() { return _set.port(_type, _index); }
+ boost::shared_ptr<P> operator->() { return _set.port(_type, _index); }
iterator_base<PS,P>& operator++() { ++_index; return *this; } // yes, prefix only
bool operator==(const iterator_base<PS,P>& other) { return (_index == other._index); }
bool operator!=(const iterator_base<PS,P>& other) { return (_index != other._index); }
class audio_iterator {
public:
- AudioPort& operator*() { return *_set.nth_audio_port(_index); }
- AudioPort* operator->() { return _set.nth_audio_port(_index); }
+ boost::shared_ptr<AudioPort> operator*() { return _set.nth_audio_port(_index); }
+ boost::shared_ptr<AudioPort> operator->() { return _set.nth_audio_port(_index); }
audio_iterator& operator++() { ++_index; return *this; } // yes, prefix only
bool operator==(const audio_iterator& other) { return (_index == other._index); }
bool operator!=(const audio_iterator& other) { return (_index != other._index); }
audio_iterator audio_end() { return audio_iterator(*this, _count.n_audio()); }
private:
- typedef std::vector<Port*> PortVec;
+ typedef std::vector<boost::shared_ptr<Port> > PortVec;
// Vector of vectors, indexed by DataType::to_index()
std::vector<PortVec> _ports;
+ // All ports in _ports in one vector, to speed some operations
+ PortVec _all_ports;
ChanCount _count;
};