public bool TryCreate(Expression leftOperand, Expression rightOperand, out IMapExpressionBuilder builder)
{
builder = null;
var conditionalNode = rightOperand as ConditionalExpression;
if (conditionalNode == null)
{
return(false);
}
var ifTrueIsIgnore = ignoreNodeChecker.IsIgnoreNode(conditionalNode.IfTrue);
var ifFalseIsIgnore = ignoreNodeChecker.IsIgnoreNode(conditionalNode.IfFalse);
if (!ifTrueIsIgnore && !ifFalseIsIgnore)
{
return(false);
}
if (ifTrueIsIgnore && ifFalseIsIgnore)
{
builder = new EmptyMapExpressionBuilder();
return(true);
}
if (ifFalseIsIgnore)
{
builder = new ConditionalAssignMapExpressionBuilder(conditionalNode.Test, leftOperand, conditionalNode.IfTrue);
return(true);
}
builder = new ConditionalAssignMapExpressionBuilder(Expression.IsFalse(conditionalNode.Test), leftOperand, conditionalNode.IfFalse);
return(true);
}
public bool TryCreate(Expression leftOperand, Expression rightOperand, out IMapExpressionBuilder builder)
{
if (ignoreNodeChecker.IsIgnoreNode(rightOperand))
{
builder = new EmptyMapExpressionBuilder();
return(true);
}
builder = null;
return(false);
}
protected override Expression VisitBinary(BinaryExpression node)
{
if (node.NodeType != ExpressionType.Assign)
{
return(base.VisitBinary(node));
}
IMapExpressionBuilder expressionBuilder = null;
if (!specificExpressionBuilderFactories.Any(f => f.TryCreate(node.Left, node.Right, out expressionBuilder)))
{
return(base.VisitBinary(node));
}
return(expressionBuilder.GetExpression());
}
