public static Func <TSource, object, bool> GetComparer <TSource>(Expression <Func <TSource, object> > propertyLambda,
ComparaisonOperator oper = ComparaisonOperator.Equal)
{
var returnType = GetPropertyInfos <TSource>(propertyLambda).Last().DataType;
Func <TSource, object> realLambda = propertyLambda.Compile();
return(Function.Create()
.WithParameter <TSource>("source")
.WithParameter <object>("toCompare")
.WithBody(
CodeLine.CreateVariable(returnType, "toCompareCast"),
CodeLine.CreateVariable <bool>("returnVariable"),
CodeLine.Assign("toCompareCast", Operation.Cast("toCompare", returnType)),
CodeLine.Assign("returnVariable",
Condition.Compare("toCompareCast",
Operation.Cast(
Operation.Func <TSource, object>(realLambda, Operation.Variable("source")),
returnType), oper))
)
.Returns("returnVariable")
.ToLambda <Func <TSource, object, bool> >());
}
public BinaryCondition(IOperation lValue, IOperation rValue, ComparaisonOperator comparaison)
{
LValue = lValue;
RValue = rValue;
Comparaison = comparaison;
}
public static Condition CompareConst(string lVariableName, object rValue, ComparaisonOperator comparaison = ComparaisonOperator.Equal)
{
return Compare(Operation.Variable(lVariableName), Operation.Constant(rValue), comparaison);
}
public static Condition CompareConst(IOperation lValue, object rValue, ComparaisonOperator comparaison = ComparaisonOperator.Equal)
{
return Compare(lValue, Operation.Constant(rValue), comparaison);
}
public static Condition Compare(string lVariableName, IOperation rValue, ComparaisonOperator comparaison = ComparaisonOperator.Equal)
{
return Compare(Operation.Variable(lVariableName), rValue, comparaison);
}
public static Condition Compare(IOperation lValue, IOperation rValue, ComparaisonOperator comparaison = ComparaisonOperator.Equal)
{
return new BinaryCondition(lValue, rValue, comparaison);
}
public static Condition CompareConst(IOperation lValue, object rValue, ComparaisonOperator comparaison = ComparaisonOperator.Equal)
{
return(Compare(lValue, Operation.Constant(rValue), comparaison));
}
public static Condition Compare(IOperation lValue, string rVariableName, ComparaisonOperator comparaison = ComparaisonOperator.Equal)
{
return Compare(lValue, Operation.Variable(rVariableName), comparaison);
}
public static Condition CompareConst(string lVariableName, object rValue, ComparaisonOperator comparaison = ComparaisonOperator.Equal)
{
return(Compare(Operation.Variable(lVariableName), Operation.Constant(rValue), comparaison));
}
public static Condition Compare(IOperation lValue, IOperation rValue, ComparaisonOperator comparaison = ComparaisonOperator.Equal)
{
return(new BinaryCondition(lValue, rValue, comparaison));
}
public static Condition Compare(string lVariableName, IOperation rValue, ComparaisonOperator comparaison = ComparaisonOperator.Equal)
{
return(Compare(Operation.Variable(lVariableName), rValue, comparaison));
}
public static Condition Compare(IOperation lValue, string rVariableName, ComparaisonOperator comparaison = ComparaisonOperator.Equal)
{
return(Compare(lValue, Operation.Variable(rVariableName), comparaison));
}
public BinaryCondition(IOperation lValue, IOperation rValue, ComparaisonOperator comparaison)
{
LValue = lValue;
RValue = rValue;
Comparaison = comparaison;
}
