// NewReceiver registers a PHP class for the name passed, using function fn as
// constructor for individual object instances as needed by the PHP context.
//
// The class name registered is assumed to be unique for the active engine.
//
// The constructor function accepts a slice of arguments, as passed by the PHP
// context, and should return a method receiver instance, or nil on error (in
// which case, an exception is thrown on the PHP object constructor).
func NewReceiver(name string, fn func(args []interface{}) interface{}) (*Receiver, error) {
rcvr := &Receiver{
name: name,
create: fn,
objects: make([]*object, 0),
}
n := C.CString(name)
defer C.free(unsafe.Pointer(n))
C.receiver_define(n, unsafe.Pointer(rcvr))
return rcvr, nil
}
// Define registers a PHP class for the name passed, using function fn as
// constructor for individual object instances as needed by the PHP context.
//
// The class name registered is assumed to be unique for the active engine.
//
// The constructor function accepts a slice of arguments, as passed by the PHP
// context, and should return a method receiver instance, or nil on error (in
// which case, an exception is thrown on the PHP object constructor).
func (e *Engine) Define(name string, fn func(args []interface{}) interface{}) error {
if _, exists := e.receivers[name]; exists {
return fmt.Errorf("Failed to define duplicate receiver '%s'", name)
}
rcvr := &Receiver{
name: name,
create: fn,
objects: make(map[*C.struct__engine_receiver]*ReceiverObject),
}
n := C.CString(name)
defer C.free(unsafe.Pointer(n))
C.receiver_define(n)
e.receivers[name] = rcvr
return nil
}