feat: operator nm getter and operator input setting

src/Engine/Operator/GeometryOperator.cpp

@@ -1,9 +1,55 @@
 #include "Engine/Operator/GeometryOperator.h"
-#include <cstdint>
+#include <optional>
 
 using namespace enzo;
 
 nt::GeometryOperator::GeometryOperator()
 {
+    // TODO: drive by geometry definition
+    maxInputs_=4;
+    maxOutputs_=4;
+
+    inputIds_ = std::vector<std::optional<nt::OpId>>(maxInputs_, std::nullopt);
+    outputIds_ = std::vector<std::optional<nt::OpId>>(maxOutputs_, std::nullopt);
 }
 
+bool nt::GeometryOperator::setInput(unsigned int inputNumber, nt::OpId opId)
+{
+    if(inputNumber>=maxInputs_)
+    {
+        return false;
+    }
+    inputIds_[inputNumber] = opId;
+
+    return true;
+}
+bool nt::GeometryOperator::setOutput(unsigned int outputNumber, nt::OpId opId)
+{
+
+    if(outputNumber>=maxOutputs_)
+    {
+        return false;
+    }
+    inputIds_[outputNumber] = opId;
+    return true;
+}
+
+std::optional<nt::OpId> nt::GeometryOperator::getInput(unsigned int inputNumber) const
+{
+    if(inputNumber>=maxInputs_)
+    {
+        return std::nullopt;
+    }
+    return inputIds_.at(inputNumber);    
+}
+
+std::optional<nt::OpId> nt::GeometryOperator::getOutput(unsigned int outputNumber) const
+{
+    if(outputNumber>=maxOutputs_)
+    {
+        return std::nullopt;
+    }
+    return outputIds_.at(outputNumber);    
+}
+
+