private bool IsEnumerableContainsMethodCall(MethodCallExpression m, out Expression valuesExpression)
{
valuesExpression = null;
if (m.Method.Name != "Contains")
{
return(false);
}
if (m.Method.DeclaringType == typeof(string))
{
return(false);
}
if (m.Method.DeclaringType == typeof(List <string>))
{
if (!MemberExpressionHelper.IsSpecificMemberExpression(m.Arguments[0], _entitiesType, _keyProperty.Name))
{
return(false);
}
valuesExpression = m.Object;
return(true);
}
if (m.Method.DeclaringType == typeof(Enumerable) || m.Method.DeclaringType == typeof(Queryable))
{
if (!MemberExpressionHelper.IsSpecificMemberExpression(m.Arguments[1], _entitiesType, _keyProperty.Name))
{
return(false);
}
valuesExpression = m.Arguments[0];
return(true);
}
return(false);
}
protected override Expression VisitBinary(BinaryExpression be)
{
_expressionUsesBinaryExpressions = true;
if (be.NodeType == ExpressionType.Equal)
{
if (MemberExpressionHelper.IsMemberEqualsValueExpression(be, _entitiesType, _keyProperty.Name))
{
Identifiers.Add(MemberExpressionHelper.GetValueFromEqualsExpression(be, _entitiesType, _keyProperty.Name));
// return be;
return(base.VisitBinary(be));
}
else
{
return(base.VisitBinary(be));
}
}
else
{
_thereIsNotOnlyEqualsExpressions = true;
return(base.VisitBinary(be));
}
}
