Add UnknownTriggerNameException; standardise handling of trigger() by…

… passing unknown triggers to superclass

source/include/signalflow/core/exceptions.h

@@ -105,4 +105,14 @@ struct node_not_playing_exception : public std::runtime_error
         : std::runtime_error(message) {}
 };
 
+struct unknown_trigger_name_exception : public std::runtime_error
+{
+    using std::runtime_error::runtime_error;
+
+    unknown_trigger_name_exception()
+        : std::runtime_error("The specified trigger name is not recognised by this node") {}
+    unknown_trigger_name_exception(const char *message)
+        : std::runtime_error(message) {}
+};
+
 }

source/src/node/buffer/beat-cutter.cpp

@@ -115,7 +115,7 @@ void BeatCutter::trigger(std::string name, float value)
     }
     else
     {
-        throw std::runtime_error("Unknown trigger: " + name);
+        this->Node::trigger(name, value);
     }
 }
 

source/src/node/buffer/buffer-looper.cpp

@@ -59,7 +59,7 @@ void BufferLooper::trigger(std::string name, float value)
     }
     else
     {
-        throw std::runtime_error("Unknown trigger: " + name);
+        this->Node::trigger(name, value);
     }
 }
 

source/src/node/buffer/buffer-player.cpp

@@ -88,7 +88,7 @@ void BufferPlayer::trigger(std::string name, float value)
     }
     else
     {
-        throw std::runtime_error("Unknown trigger: " + name);
+        this->Node::trigger(name, value);
     }
 }
 

source/src/node/fft/fft-buffer-player.cpp

@@ -54,7 +54,7 @@ void FFTBufferPlayer::trigger(std::string name, float value)
     }
     else
     {
-        throw std::runtime_error("Unknown trigger: " + name);
+        this->FFTNode::trigger(name, value);
     }
 }
 

source/src/node/node.cpp

@@ -502,7 +502,7 @@ void Node::set_patch(Patch *patch)
 
 void Node::trigger(std::string name, float value)
 {
-    throw std::runtime_error("Trigger " + name + " is not implemented in node class " + this->name);
+    throw unknown_trigger_name_exception("Trigger " + name + " is not implemented in node class " + this->name);
 }
 
 void Node::poll(float frequency, std::string label)

source/src/node/stochastic/stochastic-node.cpp

@@ -47,7 +47,7 @@ void StochasticNode::trigger(std::string name, float value)
     }
     else
     {
-        throw std::runtime_error("Unknown trigger: " + name);
+        this->Node::trigger(name, value);
     }
 }
 

source/src/python/exceptions.cpp

@@ -15,4 +15,5 @@ void init_python_exceptions(py::module &m)
     py::register_exception<signalflow::node_already_playing_exception>(m, "NodeAlreadyPlayingException");
     py::register_exception<signalflow::node_not_playing_exception>(m, "NodeNotPlayingException");
     py::register_exception<signalflow::cpu_usage_above_limit_exception>(m, "CPUUsageAboveLimitException");
+    py::register_exception<signalflow::unknown_trigger_name_exception>(m, "UnknownTriggerNameException");
 }