public IEnumerable <SyntaxNode> BuildPort(IPortModel portModel)
{
var connectedPort = portModel.ConnectionPortModels.FirstOrDefault();
if (connectedPort != null && connectedPort.NodeModel.State == ModelState.Enabled)
{
return(BuildNode(connectedPort.NodeModel, connectedPort));
}
if (portModel.EmbeddedValue != null)
{
return(BuildNode(portModel.EmbeddedValue));
}
// return default datatype value (null) if not connected
var defaultValue = RoslynBuilder.GetDefault(portModel.DataType.Resolve(Stencil));
if (defaultValue == null)
{
return(Enumerable.Repeat(LiteralExpression(SyntaxKind.NullLiteralExpression), 1));
}
else
{
return(Enumerable.Repeat(Constant(defaultValue, Stencil), 1));
}
}
IEnumerable <SyntaxNode> BuildPortInner(IPortModel portModel, out INodeModel builtNode)
{
var connectedPort = portModel.ConnectionPortModels.FirstOrDefault();
if (connectedPort != null && connectedPort.NodeModel.State == ModelState.Enabled)
{
return(BuildNode(builtNode = connectedPort.NodeModel, connectedPort));
}
// if it' s an embedded value, no point in recording its value, keep a null builtNode
builtNode = null;
if (portModel.EmbeddedValue != null)
{
return(BuildNode(portModel.EmbeddedValue));
}
// return default datatype value (null) if not connected. not recorded either
var defaultValue = RoslynBuilder.GetDefault(portModel.DataType.Resolve(Stencil));
return(Enumerable.Repeat(defaultValue == null
? LiteralExpression(SyntaxKind.NullLiteralExpression)
: (LiteralExpressionSyntax)Constant(defaultValue, Stencil), 1));
}
