public void NotEqualsTest()
{
ExpressionToken token = new ExpressionToken(_serviceProvider, "a");
ExpressionToken token2 = new ExpressionToken(_serviceProvider, "b");
Assert.IsTrue(token != token2);
}
private void CreateTree(ExpressionToken[] tokens)
{
_root = null;
_tokensQueue = new Queue(tokens);
NextToken();
_root = ExprLevel1();
if (CurrentToken != ExpressionToken.Empty)
{
throw new ExpressionSyntaxException(Resources.ExpressionSyntax_OperatorExpected, _expression, _parsedExpression);
}
}
private void NextToken()
{
if (_tokensQueue.Count > 0)
{
_parsedExpression += CurrentToken.TokenBody;
_currentToken = (ExpressionToken)_tokensQueue.Dequeue();
}
else
{
_currentToken = ExpressionToken.Empty;
}
}
public ExpressionTreeNode(ExpressionToken token, ExpressionTreeNode leftNode, ExpressionTreeNode rightNode)
{
_token = token;
_leftNode = leftNode;
_rightNode = rightNode;
}
public static ExpressionTreeNode BuildExpressionNode(INuGenServiceProvider serviceProvider, NodeBase schemaNode)
{
if (schemaNode == null)
{
return null;
}
if (NeedToSkip(schemaNode))
{
throw new InvalidOperationException("Expression node connected to unsupported node. Expression node cannot be recognized");
}
ExpressionTreeNode node = null;
if (schemaNode is Operator)
{
ExpressionToken token = new ExpressionToken(serviceProvider, ((Operator)schemaNode).OperatorDescriptor.StringRepresentation);
node = new ExpressionTreeNode(token);
switch (token.OperatorDescriptor.PrimitiveOperator)
{
case PrimitiveOperator.Add:
case PrimitiveOperator.Sub:
case PrimitiveOperator.Mul:
case PrimitiveOperator.Div:
{
node.LeftNode = BuildExpressionNode(serviceProvider, schemaNode.Inputs[0].Connection.Node);
node.RightNode = BuildExpressionNode(serviceProvider, schemaNode.Inputs[1].Connection.Node);
break;
}
}
if (token.IsOneVariableFunction)
{
node.LeftNode = BuildExpressionNode(serviceProvider, schemaNode.Inputs[0].Connection.Node);
}
if (token.IsTwoVariableFunction)
{
node.LeftNode = BuildExpressionNode(serviceProvider, schemaNode.Inputs[0].Connection.Node);
node.RightNode = BuildExpressionNode(serviceProvider, schemaNode.Inputs[1].Connection.Node);
}
return node;
}
if (schemaNode is NumberParam)
{
return new ExpressionTreeNode(new ExpressionToken(serviceProvider, ((NumberParam)schemaNode).Name));
}
if (schemaNode is VisiTypes.Number)
{
return new ExpressionTreeNode(new ExpressionToken(serviceProvider, ((VisiTypes.Number)schemaNode).Value.ToString()));
}
return null;
}
public ExpressionTreeNode(ExpressionToken token, ExpressionTreeNode leftNode)
: this(token, leftNode, null)
{
}
public ExpressionTreeNode(ExpressionToken token)
: this(token, null, null)
{
}
public ExpressionTreeNode(ExpressionToken token, ExpressionTreeNode leftNode, ExpressionTreeNode rightNode)
{
_token = token;
_leftNode = leftNode;
_rightNode = rightNode;
}
public ExpressionTreeNode(ExpressionToken token, ExpressionTreeNode leftNode)
: this(token, leftNode, null)
{
}
public ExpressionTreeNode(ExpressionToken token)
: this(token, null, null)
{
}
