public void test_THAT_in_list_expression_IS_valid()
{
var a = new InAnalyzer(null, null);
Expression <Func <SPListItem, bool> > expr = x => getArray().Contains((int)x["test"]);
Assert.IsTrue(a.IsValid(expr));
}
public void test_THAT_in_not_const_int_yield_expression_IS_valid()
{
var a = new InAnalyzer(null, null);
Expression <Func <SPListItem, bool> > expr = x => iterator().Cast <int>().Contains((int)x["test"]);
Assert.IsTrue(a.IsValid(expr));
}
public void test_THAT_in_const_string_expression_IS_valid()
{
var a = new InAnalyzer(null, null);
IEnumerable <string> values = new [] { "1", "2", "3" };
Expression <Func <SPListItem, bool> > expr = x => values.Contains((string)x["test"]);
Assert.IsTrue(a.IsValid(expr));
}
public void test_THAT_in_not_const_int_expression_IS_valid()
{
var a = new InAnalyzer(null, null);
int i = 1;
Func <int, int> f = p => (p + 1);
IEnumerable values = new[] { i, f(2), foo() };
Expression <Func <SPListItem, bool> > expr = x => values.Cast <int>().Contains((int)x["test"]);
Assert.IsTrue(a.IsValid(expr));
}
public IAnalyzer Create(LambdaExpression expr)
{
ExpressionType exprType = expr.Body.NodeType;
if (exprType == ExpressionType.AndAlso)
{
return(new AndAlsoAnalyzer(this.operationResultBuilder, this));
}
if (exprType == ExpressionType.OrElse)
{
return(new OrElseAnalyzer(this.operationResultBuilder, this));
}
if (exprType == ExpressionType.NewArrayInit)
{
return(new ArrayAnalyzer(this.operationResultBuilder, this.operandBuilder));
}
if (exprType == ExpressionType.GreaterThanOrEqual)
{
return(new GeqAnalyzer(this.operationResultBuilder, this.operandBuilder));
}
if (exprType == ExpressionType.GreaterThan)
{
return(new GtAnalyzer(this.operationResultBuilder, this.operandBuilder));
}
if (exprType == ExpressionType.LessThanOrEqual)
{
return(new LeqAnalyzer(this.operationResultBuilder, this.operandBuilder));
}
if (exprType == ExpressionType.LessThan)
{
return(new LtAnalyzer(this.operationResultBuilder, this.operandBuilder));
}
// it is important to check NotIncludes before Equality because sometimes !x[].Includes() is interpreted as x[].Includes() == False
// and sometimes as Not(x[])
var includesAnalyzer = new IncludesAnalyzer(operationResultBuilder, operandBuilder);
if (includesAnalyzer.IsValid(expr))
{
return(includesAnalyzer);
}
var notIncludesAnalyzer = new NotIncludesAnalyzer(operationResultBuilder, operandBuilder);
if (notIncludesAnalyzer.IsValid(expr))
{
return(notIncludesAnalyzer);
}
// it is not enough to check ExpressionType for IsNull operation.
// We need also to check that right operand is null
IsNullAnalyzer isNullAnalyzer;
if (this.isNullExpression(expr, out isNullAnalyzer))
{
return(isNullAnalyzer);
}
// note that it is important to have check on IsNull before check on ExpressionType.Equal.
// Because x["foo"] == null is also ExpressionType.Equal, but it should be translated
// into <IsNull> instead of <Eq>
if (exprType == ExpressionType.Equal)
{
return(new EqAnalyzer(this.operationResultBuilder, this.operandBuilder));
}
// it is not enough to check ExpressionType for IsNotNull operation.
// We need also to check that right operand is null
IsNotNullAnalyzer isNotNullAnalyzer;
if (this.isNotNullExpression(expr, out isNotNullAnalyzer))
{
return(isNotNullAnalyzer);
}
// note that it is important to have check on IsNotNull before check on ExpressionType.NotEqual.
// Because x["foo"] != null is also ExpressionType.NotEqual, but it should be translated
// into <IsNotNull> instead of <Neq>
if (exprType == ExpressionType.NotEqual)
{
return(new NeqAnalyzer(this.operationResultBuilder, this.operandBuilder));
}
var beginsWithAnalyzer = new BeginsWithAnalyzer(operationResultBuilder, operandBuilder);
if (beginsWithAnalyzer.IsValid(expr))
{
return(beginsWithAnalyzer);
}
var containsAnalyzer = new ContainsAnalyzer(operationResultBuilder, operandBuilder);
if (containsAnalyzer.IsValid(expr))
{
return(containsAnalyzer);
}
var dateRangesOverlapAnalyzer = new DateRangesOverlapAnalyzer(operationResultBuilder, operandBuilder);
if (dateRangesOverlapAnalyzer.IsValid(expr))
{
return(dateRangesOverlapAnalyzer);
}
var membershipAnalyzer = new MembershipAnalyzer(operationResultBuilder, operandBuilder);
if (membershipAnalyzer.IsValid(expr))
{
return(membershipAnalyzer);
}
var inAnalyzer = new InAnalyzer(operationResultBuilder, operandBuilder);
if (inAnalyzer.IsValid(expr))
{
return(inAnalyzer);
}
var joinAnalyzer = new JoinAnalyzer(operationResultBuilder, operandBuilder);
if (joinAnalyzer.IsValid(expr))
{
return(joinAnalyzer);
}
var projectedFieldAnalyzer = new ProjectedFieldAnalyzer(operationResultBuilder, operandBuilder);
if (projectedFieldAnalyzer.IsValid(expr))
{
return(projectedFieldAnalyzer);
}
throw new NonSupportedExpressionTypeException(exprType);
}