void cSystem_onMessage(HvBase *_c, void *o, int letIn, const HvMessage *const m,
void (*sendMessage)(HvBase *, int, const HvMessage *const)) {
HvMessage *n = HV_MESSAGE_ON_STACK(1);
if (msg_compareSymbol(m, 0, "samplerate")) {
msg_initWithFloat(n, msg_getTimestamp(m), (float) ctx_getSampleRate(_c));
} else if (msg_compareSymbol(m, 0, "numInputChannels")) {
msg_initWithFloat(n, msg_getTimestamp(m), (float) ctx_getNumInputChannels(_c));
} else if (msg_compareSymbol(m, 0, "numOutputChannels")) {
msg_initWithFloat(n, msg_getTimestamp(m), (float) ctx_getNumOutputChannels(_c));
} else if (msg_compareSymbol(m, 0, "currentTime")) {
msg_initWithFloat(n, msg_getTimestamp(m), (float) msg_getTimestamp(m));
} else if (msg_compareSymbol(m, 0, "table")) {
// NOTE(mhroth): no need to check message format for symbols as table lookup will fail otherwise
HvTable *table = ctx_getTableForHash(_c, msg_getHash(m,1));
if (table != NULL) {
if (msg_compareSymbol(m, 2, "length")) {
msg_initWithFloat(n, msg_getTimestamp(m), (float) hTable_getLength(table));
} else if (msg_compareSymbol(m, 2, "size")) {
msg_initWithFloat(n, msg_getTimestamp(m), (float) hTable_getSize(table));
} else if (msg_compareSymbol(m, 2, "head")) {
msg_initWithFloat(n, msg_getTimestamp(m), (float) hTable_getHead(table));
} else return;
} else return;
} else return;
sendMessage(_c, 0, n);
}
int hv_getNumOutputChannels(HvBase *c) {
return ctx_getNumOutputChannels(c);
}