public void OP_not_a_CP_ok()
{
string expr = "(not a)";
List <ExprToken> listTokens = TestCommon.AddTokens("(", "not", "a", ")");
// decoder, renvoie un arbre de node
ExprTokensParser parser = new ExprTokensParser();
// the default list: =, <, >, >=, <=, <>
var dictOperators = TestCommon.BuildDefaultConfig();
parser.SetConfiguration(dictOperators);
// decode the list of tokens
ParseResult result = parser.Parse(expr, listTokens);
// finished with no error
Assert.AreEqual(0, result.ListError.Count, "The tokens (not a) should be decoded with success");
// check the root node
ExprLogicalNot rootBinExpr = result.RootExpr as ExprLogicalNot;
Assert.IsNotNull(rootBinExpr, "The root node type should be a ExprLogicalNot");
// the inner expr is an operand
ExprFinalOperand exprOperandInner = rootBinExpr.ExprBase as ExprFinalOperand;
Assert.IsNotNull(exprOperandInner, "The root node type should be BoolBinExprOperand");
Assert.AreEqual("a", exprOperandInner.Operand, "The left operand should be a");
}
public void OP_a_or_b_CP_and_not_OP_c_CP()
{
string expr = "(a or b) and not (c)";
List <ExprToken> listTokens = TestCommon.AddTokens("(", "a", "or", "b", ")");
TestCommon.AddTokens(listTokens, "and", "not", "(");
TestCommon.AddTokens(listTokens, "c", ")");
// decoder, renvoie un arbre de node
ExprTokensParser parser = new ExprTokensParser();
// the default list: =, <, >, >=, <=, <>
var dictOperators = TestCommon.BuildDefaultConfig();
parser.SetConfiguration(dictOperators);
// decode the list of tokens
ParseResult result = parser.Parse(expr, listTokens);
// finished with no error
Assert.AreEqual(0, result.ListError.Count, "The tokens (a and not b) should be decoded with success");
// check the root node: bin expr
ExprLogical binExpr = result.RootExpr as ExprLogical;
Assert.IsNotNull(binExpr, "The root node type should be ExprLogical");
// the operator is: and
Assert.AreEqual(OperatorLogicalCode.And, binExpr.Operator, "The operator should be and");
//----the left part is : (a or b)
ExprLogical exprLeftLogical = binExpr.ExprLeft as ExprLogical;
Assert.IsNotNull(exprLeftLogical, "The root node type should be exprLeftLogical");
// the operator is: or
Assert.AreEqual(OperatorLogicalCode.Or, exprLeftLogical.Operator, "The operator should be or");
// a
ExprFinalOperand exprLeftLogicalLeftOperand = exprLeftLogical.ExprLeft as ExprFinalOperand;
Assert.AreEqual("a", exprLeftLogicalLeftOperand.Operand, "The left operand should be a");
// b
ExprFinalOperand exprLeftLogicalRightOperand = exprLeftLogical.ExprRight as ExprFinalOperand;
Assert.AreEqual("b", exprLeftLogicalRightOperand.Operand, "The right operand should be b");
//----the right part is: not(c)
ExprLogicalNot notExpr = binExpr.ExprRight as ExprLogicalNot;
Assert.IsNotNull(notExpr, "The expr type should be ExprLogicalNot");
ExprFinalOperand notExprOperandFinal = notExpr.ExprBase as ExprFinalOperand;
Assert.AreEqual("c", notExprOperandFinal.Operand, "The not operand should be c");
}
public void OP_not_OP_a_and_CP_CP_ok()
{
string expr = "(not (a and b))";
List <ExprToken> listTokens = TestCommon.AddTokens("(", "not", "(");
TestCommon.AddTokens(listTokens, "a", "and", "b");
TestCommon.AddTokens(listTokens, ")", ")");
// decoder, renvoie un arbre de node
ExprTokensParser parser = new ExprTokensParser();
// the default list: =, <, >, >=, <=, <>
var dictOperators = TestCommon.BuildDefaultConfig();
parser.SetConfiguration(dictOperators);
// decode the list of tokens
ParseResult result = parser.Parse(expr, listTokens);
// finished with no error
Assert.AreEqual(0, result.ListError.Count, "The tokens (not a) should be decoded with success");
// check the root node: Not expr
ExprLogicalNot rootBinExpr = result.RootExpr as ExprLogicalNot;
Assert.IsNotNull(rootBinExpr, "The root node type should be BoolBinExprNot");
// the inner expr is a logical expr: (a and b)
ExprLogical binExpr = rootBinExpr.ExprBase as ExprLogical;
Assert.IsNotNull(binExpr, "The root node type should be BoolBinExpr");
// a
ExprFinalOperand exprOperandLeft = binExpr.ExprLeft as ExprFinalOperand;
Assert.IsNotNull(exprOperandLeft, "The root node type should be BoolBinExprOperand");
Assert.AreEqual("a", exprOperandLeft.Operand, "The left operand should be a");
// b
ExprFinalOperand exprOperandRight = binExpr.ExprRight as ExprFinalOperand;
Assert.IsNotNull(exprOperandRight, "The root node type should be BoolBinExprOperand");
Assert.AreEqual("b", exprOperandRight.Operand, "The right operand should be b");
// check the operator
Assert.AreEqual(OperatorLogicalCode.And, binExpr.Operator, "The operator should be and");
}
public override Expr ToExpression()
{
if (this.Category == EnumFilterCategory.NoFilter)
{
return(null);
}
else if (this.Category == EnumFilterCategory.IsNull)
{
return(this.CreateIsNullExpr());
}
else if (this.Category == EnumFilterCategory.IsNotNull)
{
return(this.CreateIsNotNullExpr());
}
else if (this.Category == EnumFilterCategory.IsOneOf)
{
var expr_or = new ExprLogicalOr();
foreach (var item in this.one_of_value)
{
var t_value = (T)item;
string t_string_value = t_value.ToString();
var expr_t = new ExprLiteralString(t_string_value);
var expr_compare = Expr.GetExprComparison(this.expr_field, expr_t, ComparisonOperation.Equals);
expr_or.Add(expr_compare);
}
if (this.Not)
{
var expr_not = new ExprLogicalNot(expr_or);
return(expr_not);
}
else
{
return(expr_or);
}
}
else
{
string msg = string.Format("Unhandled datetime enum category: \"{0}\"", this.Category);
throw new System.ArgumentException(msg);
}
}
public void fct_OP_a_Eq_b_CP_ok()
{
string expr = "fct(not a)";
List <ExprToken> listTokens = TestCommon.AddTokens("fct", "(", "not", "a", ")");
// decoder, renvoie un arbre de node
ExprTokensParser parser = new ExprTokensParser();
ExpressionEvalConfig config = TestCommon.BuildDefaultConfig();
parser.SetConfiguration(config);
// decode the list of tokens
ParseResult result = parser.Parse(expr, listTokens);
// finished with no error
Assert.AreEqual(0, result.ListError.Count, "The tokens should be decoded with success");
// get the root expression
ExprFunctionCall rootExpr = result.RootExpr as ExprFunctionCall;
Assert.IsNotNull(rootExpr, "The root node type should be ExprFunctionCall");
Assert.AreEqual("fct", rootExpr.FunctionName, "The function name should be: fct");
Assert.AreEqual(1, rootExpr.ListExprParameters.Count, "The function call should have one parameter");
// check the parameter: its a logical Not expression
ExprLogicalNot exprLogicalNot = rootExpr.ListExprParameters[0] as ExprLogicalNot;
Assert.IsNotNull(exprLogicalNot, "The funct param should a Logical Not expression");
// check the left part: its a final operand: a
ExprFinalOperand paramFunc = exprLogicalNot.ExprBase as ExprFinalOperand;
Assert.AreEqual("a", paramFunc.Operand, "should be: a");
Assert.IsTrue(paramFunc.ContentType == OperandType.ObjectName, "The type should be: ObjectName");
}
