cannam@89: #ifndef INCLUDED_PORTAUDIO_SYSTEMDEVICEITERATOR_HXX
cannam@89: #define INCLUDED_PORTAUDIO_SYSTEMDEVICEITERATOR_HXX
cannam@89: 
cannam@89: // ---------------------------------------------------------------------------------------
cannam@89: 
cannam@89: #include <iterator>
cannam@89: #include <cstddef>
cannam@89: 
cannam@89: #include "portaudiocpp/System.hxx"
cannam@89: 
cannam@89: // ---------------------------------------------------------------------------------------
cannam@89: 
cannam@89: // Forward declaration(s):
cannam@89: namespace portaudio
cannam@89: {
cannam@89: 	class Device;
cannam@89: 	class HostApi;
cannam@89: }
cannam@89: 
cannam@89: // ---------------------------------------------------------------------------------------
cannam@89: 
cannam@89: // Declaration(s):
cannam@89: namespace portaudio
cannam@89: {
cannam@89: 
cannam@89: 	
cannam@89: 	//////
cannam@89: 	/// @brief Iterator class for iterating through all Devices in a System.
cannam@89: 	///
cannam@89: 	/// Devices will be iterated by iterating all Devices in each 
cannam@89: 	/// HostApi in the System. Compliant with the STL bidirectional 
cannam@89: 	/// iterator concept.
cannam@89: 	//////
cannam@89: 	class System::DeviceIterator
cannam@89: 	{
cannam@89: 	public:
cannam@89: 		typedef std::bidirectional_iterator_tag iterator_category;
cannam@89: 		typedef Device value_type;
cannam@89: 		typedef ptrdiff_t difference_type;
cannam@89: 		typedef Device * pointer;
cannam@89: 		typedef Device & reference;
cannam@89: 
cannam@89: 		Device &operator*() const;
cannam@89: 		Device *operator->() const;
cannam@89: 
cannam@89: 		DeviceIterator &operator++();
cannam@89: 		DeviceIterator operator++(int);
cannam@89: 		DeviceIterator &operator--();
cannam@89: 		DeviceIterator operator--(int);
cannam@89: 
cannam@89: 		bool operator==(const DeviceIterator &rhs);
cannam@89: 		bool operator!=(const DeviceIterator &rhs);
cannam@89: 
cannam@89: 	private:
cannam@89: 		friend class System;
cannam@89: 		friend class HostApi;
cannam@89: 		Device **ptr_;
cannam@89: 	};
cannam@89: 
cannam@89: 
cannam@89: } // namespace portaudio
cannam@89: 
cannam@89: // ---------------------------------------------------------------------------------------
cannam@89: 
cannam@89: #endif // INCLUDED_PORTAUDIO_SYSTEMDEVICEITERATOR_HXX
cannam@89: