Return null/undefined if parameter not found

open-ephys · Sep 28, 2023 · 978f518 · 978f518
1 parent 10106cd
commit 978f518
Show file tree

Hide file tree

Showing 2 changed files with 18 additions and 2 deletions.
diff --git a/Source/Processors/Parameter/ParameterOwner.cpp b/Source/Processors/Parameter/ParameterOwner.cpp
@@ -96,11 +96,27 @@ void ParameterOwner::addParameter(Parameter* p)
     parameters.addParameter(p);
 }
 
+Parameter* ParameterOwner::getParameter(String name) const
+{
+    if(parameters.contains(name))
+        return parameters[name];
+    else
+        return nullptr;
+}
+
 Array<String> ParameterOwner::getParameterNames() const
 {
     return parameters.getParameterNames();
 }
 
+var ParameterOwner::operator [](String name) const
+{
+    if (parameters.contains(name))
+        return parameters[name]->getValue();
+    else
+        return var::undefined();
+}
+
 
 Array<ParameterEditor*> ParameterOwner::createDefaultEditor()
 {

diff --git a/Source/Processors/Parameter/ParameterOwner.h b/Source/Processors/Parameter/ParameterOwner.h
@@ -75,7 +75,7 @@ class PLUGIN_API ParameterOwner
     void addParameter(Parameter* p);
 
     /** Returns a pointer to a parameter with a given name**/
-    Parameter* getParameter(String name) const { return parameters[name]; }
+    Parameter* getParameter(String name) const;
 
 	/** Returns true if an object has a parameter with a given name**/
 	bool hasParameter(String name) const { return parameters.contains(name); }
@@ -87,7 +87,7 @@ class PLUGIN_API ParameterOwner
 	Array<String> getParameterNames() const;
 
 	/*Bracket operator returns the value of a parameter*/
-    var operator [](String name) const {return parameters[name]->getValue();}
+    var operator [](String name) const;
 
     /** Copies parameters from another ParameterOwner and clears the original ParameterCollection*/
     void copyParameters(ParameterOwner* object);