Example #1
0
        protected string FindParameterList(List <Tuple <AbstractSyntaxTreeNode, AbstractSyntaxTreeNode> > list,
                                           List <AbstractSyntaxTreeNode> postfixList,
                                           int actualPosition, Stack <AbstractSyntaxTreeNode> valueStack, bool firstCall)
        {
            var actualParameter = postfixList[actualPosition];

            if (actualParameter is ThenNode)
            {
                return(FindParameterList(list, postfixList, actualPosition - 1, valueStack, true));
            }
            else if (actualParameter is ElseNode)
            {
                var pop = valueStack.Pop();
                return(FindParameterList(list, postfixList, actualPosition - 1, valueStack, true));
            }
            else if (actualParameter is IntegerNode || actualParameter is StringNode || actualParameter is BooleanNode ||
                     actualParameter is DateTimeNode || actualParameter is DoubleNode)
            {
                AbstractSyntaxTreeNode pop = null;
                if (!firstCall)
                {
                    pop = valueStack.Pop();
                }
                list.Add(new Tuple <AbstractSyntaxTreeNode, AbstractSyntaxTreeNode>(actualParameter, null));
                return(FindParameterList(list, postfixList, actualPosition - 1, valueStack, false));
            }
            else
            {
                if (actualParameter is VariableNode)
                {
                    return(((VariableNode)actualParameter).Name);
                }
                else if (actualParameter is MethodCallNode)
                {
                    foreach (var parameter in ((MethodCallNode)actualParameter).parameterList)
                    {
                        list.Add(new Tuple <AbstractSyntaxTreeNode, AbstractSyntaxTreeNode>(parameter, null));
                    }
                    return(((MethodCallNode)actualParameter).Name);
                }
                else
                {
                    return(actualParameter.GetType().Name);
                }
            }
        }
Example #2
0
        public List <AbstractSyntaxTreeNode> ConvertInfixToPostfix(List <AbstractSyntaxTreeNode> postfixList)
        {
            List <AbstractSyntaxTreeNode>  returnList    = new List <AbstractSyntaxTreeNode>();
            Stack <AbstractSyntaxTreeNode> operatorStack = new Stack <AbstractSyntaxTreeNode>();
            var            position            = 0;
            var            methodParameterMode = false;
            MethodCallNode methodCallNode      = null;

            for (int i = position; i < postfixList.Count; i++)
            {
                var item = postfixList[i];
                if (item is IntegerNode || item is DoubleNode ||
                    item is VariableNode ||
                    item is FieldNode ||
                    item is BooleanNode || item is StringNode || item is NullNode)
                {
                    if (methodParameterMode)
                    {
                    }
                    else
                    {
                        returnList.Add(item);
                    }
                }
                else if (item is ObjectNode)
                {
                    var filter = ((ObjectNode)item).Filter;
                    if (filter != null)
                    {
                        ((ObjectNode)item).Filter.FilterItems = ConvertInfixToPostfix(filter.FilterItems);
                    }
                    returnList.Add(item);
                }
                else if (item is UpperNode || item is LowerNode || item is LengthNode ||
                         item is TrimNode || item is LeftTrimNode || item is RightTrimNode)
                {
                    returnList.Add(item);
                }
                else if (item is CollectionNode)
                {
                    if (methodParameterMode)
                    {
                    }
                    else
                    {
                        var filter = ((CollectionNode)item).Filter;
                        if (filter != null)
                        {
                            ((CollectionNode)item).Filter.FilterItems = ConvertInfixToPostfix(filter.FilterItems);
                        }
                        returnList.Add(item);
                    }
                }
                else if (item is OpenBracketNode)
                {
                    if (methodParameterMode)
                    {
                    }
                    else
                    {
                        i = ConvertInfixToPostfixBracket(i, postfixList, returnList);
                    }
                }
                else if (item is CloseBracketNode)
                {
                    methodParameterMode = false;
                }
                else if (item is OrNode || item is AndNode)
                {
                    while (operatorStack.Count > 0)
                    {
                        var abstractSyntaxTreeNode = operatorStack.Pop();
                        returnList.Add(abstractSyntaxTreeNode);
                    }
                    operatorStack.Push(item);
                }
                else if (item is GreaterThenNode || item is GreaterThenOrEqualNode ||
                         item is SmallerThenNode || item is SmallerThenOrEqualNode ||
                         item is EqualNode || item is UnEqualNode || item is IsNode || item is LikeNode ||
                         item is AggregateInNode || item is AggregateNotInNode)
                {
                    if (operatorStack.Count() > 0 && (operatorStack.Peek() is MulNode ||
                                                      operatorStack.Peek() is DivNode ||
                                                      operatorStack.Peek() is ModuloNode))
                    {
                        AbstractSyntaxTreeNode node = operatorStack.Pop();
                        returnList.Add(node);
                    }
                    else if (operatorStack.Count() > 0 && (operatorStack.Peek() is AddNode ||
                                                           operatorStack.Peek() is SubNode))
                    {
                        AbstractSyntaxTreeNode node = operatorStack.Pop();
                        returnList.Add(node);
                    }
                    else if (operatorStack.Count() > 0 && (operatorStack.Peek() is AggregateInNode ||
                                                           operatorStack.Peek() is AggregateNotInNode))
                    {
                        AbstractSyntaxTreeNode node = operatorStack.Pop();
                        returnList.Add(node);
                    }
                    operatorStack.Push(item);
                }
                else if (item is AddNode || item is SubNode)
                {
                    if (operatorStack.Count() > 0 && (operatorStack.Peek() is MulNode ||
                                                      operatorStack.Peek() is DivNode ||
                                                      operatorStack.Peek() is ModuloNode))
                    {
                        AbstractSyntaxTreeNode node = operatorStack.Pop();
                        returnList.Add(node);
                    }
                    operatorStack.Push(item);
                }
                else if (item is MulNode || item is DivNode || item is ModuloNode)
                {
                    operatorStack.Push(item);
                }
                else if (item is SetNode || item is ThenNode || item is ElseNode)
                {
                    if (postfixList[i + 1] is MethodCallNode)
                    {
                        methodCallNode = (MethodCallNode)postfixList[i + 1];
                        i = ConvertMethodInfixToPostfixBracket(i + 1, postfixList, methodCallNode);
                        returnList.Add(item);
                        returnList.Add(methodCallNode);
                    }
                    else if (postfixList[i + 1] is OpenBracketNode)
                    {
                        returnList.Add(item);
                        i = ConvertInfixToPostfixBracket(i + 1, postfixList, returnList);
                        //returnList.Add(item);
                        //returnList.Add(methodCallNode);
                    }
                    else
                    {
                        operatorStack.Push(item);
                    }
                }
                else if (item is MethodCallNode)
                {
                    methodCallNode = (MethodCallNode)item;
                    i = ConvertMethodInfixToPostfixBracket(i, postfixList, methodCallNode);
                    returnList.Add(methodCallNode);
                }
                position++;
            }
            while (operatorStack.Count > 0)
            {
                var abstractSyntaxTreeNode = operatorStack.Pop();
                returnList.Add(abstractSyntaxTreeNode);
            }
            return(returnList);
        }
Example #3
0
        public int ConvertInfixToPostfixBracket(int position,
                                                List <AbstractSyntaxTreeNode> postfixList, List <AbstractSyntaxTreeNode> returnList)
        {
            Stack <AbstractSyntaxTreeNode> operatorStack = new Stack <AbstractSyntaxTreeNode>();
            int            i = 0;
            var            methodParameterMode = false;
            MethodCallNode methodCallNode      = null;

            for (i = position + 1; i < postfixList.Count; i++)
            {
                var item = postfixList[i];
                if (item is CloseBracketNode)
                {
                    break;
                }
                if (item is IntegerNode || item is DoubleNode || item is VariableNode ||
                    item is FieldNode || item is CollectionNode || item is ObjectNode ||
                    item is BooleanNode || item is StringNode)
                {
                    if (methodParameterMode)
                    {
                    }
                    else
                    {
                        returnList.Add(item);
                    }
                }
                else if (item is UpperNode || item is LowerNode || item is LengthNode ||
                         item is TrimNode || item is LeftTrimNode || item is RightTrimNode)
                {
                    returnList.Add(item);
                }
                else if (item is OpenBracketNode)
                {
                    if (methodParameterMode)
                    {
                    }
                    else
                    {
                        i = ConvertInfixToPostfixBracket(i, postfixList, returnList);
                    }
                }
                else if (item is OrNode || item is AndNode)
                {
                    while (operatorStack.Count > 0)
                    {
                        var abstractSyntaxTreeNode = operatorStack.Pop();
                        returnList.Add(abstractSyntaxTreeNode);
                    }
                    operatorStack.Push(item);
                }
                else if (item is GreaterThenNode || item is GreaterThenOrEqualNode ||
                         item is SmallerThenNode || item is SmallerThenOrEqualNode ||
                         item is EqualNode || item is UnEqualNode)
                {
                    if (operatorStack.Count() > 0 && (operatorStack.Peek() is MulNode || operatorStack.Peek() is DivNode ||
                                                      operatorStack.Peek() is ModuloNode))
                    {
                        AbstractSyntaxTreeNode node = operatorStack.Pop();
                        returnList.Add(node);
                    }
                    if (operatorStack.Count() > 0 && (operatorStack.Peek() is AddNode || operatorStack.Peek() is SubNode))
                    {
                        AbstractSyntaxTreeNode node = operatorStack.Pop();
                        returnList.Add(node);
                    }
                    operatorStack.Push(item);
                }
                else if (item is AddNode || item is SubNode)
                {
                    if (operatorStack.Count() > 0 && (operatorStack.Peek() is MulNode || operatorStack.Peek() is DivNode ||
                                                      operatorStack.Peek() is ModuloNode))
                    {
                        AbstractSyntaxTreeNode node = operatorStack.Pop();
                        returnList.Add(node);
                    }
                    operatorStack.Push(item);
                }
                else if (item is MulNode || item is DivNode || item is ModuloNode)
                {
                    operatorStack.Push(item);
                }
                else if (item is MethodCallNode)
                {
                    methodParameterMode = true;
                    methodCallNode      = (MethodCallNode)item;
                    i = ConvertMethodInfixToPostfixBracket(i, postfixList, methodCallNode);
                    returnList.Add(methodCallNode);
                    methodParameterMode = false;
                }
                position++;
            }
            while (operatorStack.Count > 0)
            {
                var abstractSyntaxTreeNode = operatorStack.Pop();
                returnList.Add(abstractSyntaxTreeNode);
            }
            return(i);
        }
Example #4
0
        public int ConvertMethodInfixToPostfixBracket(int position,
                                                      List <AbstractSyntaxTreeNode> postfixList, AbstractSyntaxTreeNode methodCallNode)
        {
            Stack <AbstractSyntaxTreeNode> operatorStack = new Stack <AbstractSyntaxTreeNode>();
            int i = 0;
            List <AbstractSyntaxTreeNode> parameterList = new List <AbstractSyntaxTreeNode>();

            for (i = position + 1; i < postfixList.Count; i++)
            {
                var item = postfixList[i];
                if (item is CloseBracketNode)
                {
                    break;
                }
                else if (item is IntegerNode || item is DoubleNode ||
                         item is VariableNode || item is FieldNode || item is CollectionNode || item is ObjectNode ||
                         item is BooleanNode || item is StringNode)
                {
                    parameterList.Add(item);
                }
                position++;
            }
            ((MethodCallNode)methodCallNode).parameterList.InsertRange(0, parameterList.ToArray());
            return(i);
        }
Example #5
0
 public void AddChild(AbstractSyntaxTreeNode abstractSyntacTreeNode)
 {
     base.rootNodes.Add(abstractSyntacTreeNode);
 }
Example #6
0
        protected void MethodCallNodeExecuteCall <T>(T objectValue, AbstractSyntaxTreeNode item)
        {
            var method = objectValue.GetType().GetMethod(((MethodCallNode)item).Name);

            if (method != null)
            {
                var objectList = new List <object>();
                for (int parameterCount = 0; parameterCount < ((MethodCallNode)item).parameterList.Count; parameterCount++)
                {
                    var parameter = ((MethodCallNode)item).parameterList[parameterCount];
                    if (parameter is StringNode)
                    {
                        var      value    = ((StringNode)parameter).Value;
                        DateTime dateTime = new DateTime();
                        if (DateTime.TryParse(value, out dateTime))
                        {
                            objectList.Add(dateTime);
                        }
                        else
                        {
                            objectList.Add(value);
                        }
                    }
                    else if (parameter is DateTimeNode)
                    {
                        var value = ((DateTimeNode)parameter).Value;
                        objectList.Add(value);
                    }
                    else if (parameter is BooleanNode)
                    {
                        var value = ((BooleanNode)parameter).Value;
                        objectList.Add(value);
                    }
                    else if (parameter is DoubleNode)
                    {
                        var value = ((DoubleNode)parameter).Value;
                        objectList.Add(value);
                    }
                    else if (parameter is IntegerNode)
                    {
                        var value = ((IntegerNode)parameter).Value;
                        objectList.Add(value);
                    }
                }
                var      result = method.Invoke(objectValue, objectList.ToArray());
                int      intOutValue;
                double   doubleOutValue;
                bool     boolOutValue;
                DateTime dateTimeOutValue;
                if (result == null)
                {
                    NullNode nullNode = new NullNode();
                    valueStack.Push(nullNode);
                }
                else if (int.TryParse(result.ToString(), out intOutValue))
                {
                    IntegerNode integerNode = new IntegerNode();
                    integerNode.Value = intOutValue;
                    valueStack.Push(integerNode);
                }
                else if (double.TryParse(result.ToString(), out doubleOutValue))
                {
                    DoubleNode doubleNode = new DoubleNode();
                    doubleNode.Value = doubleOutValue;
                    valueStack.Push(doubleNode);
                }
                else if (bool.TryParse(result.ToString(), out boolOutValue))
                {
                    BooleanNode booleanNode = new BooleanNode();
                    booleanNode.Value = boolOutValue;
                    valueStack.Push(booleanNode);
                }
                else if (DateTime.TryParse(result.ToString(), out dateTimeOutValue))
                {
                    DateTimeNode dateTimeNode = new DateTimeNode();
                    dateTimeNode.Value = dateTimeOutValue;
                    valueStack.Push(dateTimeNode);
                }
                else
                {
                    StringNode stringNode = new StringNode();
                    stringNode.Value = result.ToString();
                    valueStack.Push(stringNode);
                }
            }
        }