public bool TryParse(ExpressionNodeContext context, bool withParameterName, out string output)
{
if (context.Node is MethodCallExpression call && call.Method.DeclaringType == typeof(Enumerable) &&
(
call.Method.Name == nameof(Enumerable.Any) ||
call.Method.Name == nameof(Enumerable.All)
))
{
if (ValueOrMemberParser.TryParse(context.CreateChild(call.Arguments[0]), withParameterName, out string applyTo))
{
var methodName = call.Method.Name.ToLowerInvariant();
if (call.Arguments.Count > 1)
{
var le = (LambdaExpression)call.Arguments[1];
if (LambdaFilterParser.TryParse(new ExpressionNodeContext(le.Body, le.Parameters[0])
{
ParentContext = context
}, true, out string innerOutput))
{
var lambda = $"{le.Parameters[0].Name}:{innerOutput}";
output = $"{applyTo}/{methodName}({lambda})";
return(true);
}
}
else
{
output = $"{applyTo}/{methodName}()";
return(true);
}
}
}
output = null;
return(false);
}
public bool TryParse(ExpressionNodeContext context, bool withParameterName, out string output)
{
if (context.Node is BinaryExpression binary)
{
switch (context.Node.NodeType)
{
case ExpressionType.Equal:
case ExpressionType.NotEqual:
case ExpressionType.GreaterThan:
case ExpressionType.GreaterThanOrEqual:
case ExpressionType.LessThan:
case ExpressionType.LessThanOrEqual:
if (ValueOrMemberParser.TryParse(context.CreateChild(binary.Left, binary.Right), withParameterName, out string left1) &&
ValueOrMemberParser.TryParse(context.CreateChild(binary.Right, binary.Left), withParameterName, out string right1))
{
output = $"({left1} {context.Node.NodeType.ToCompareOperator()} {right1})";
return(true);
}
break;
case ExpressionType.OrElse:
case ExpressionType.AndAlso:
if (LambdaFilterParser.TryParse(context.CreateChild(binary.Left), withParameterName, out string left) &&
LambdaFilterParser.TryParse(context.CreateChild(binary.Right), withParameterName, out string right))
{
output = $"({left} {context.Node.NodeType.ToLogicOperator()} {right})";
return(true);
}
break;
}
if (ValueOrMemberParser.TryParse(context.CreateChild(binary.Left, binary.Right), withParameterName, out string left2))
{
output = left2;
return(true);
}
}
output = null;
return(false);
}
