public IActionResult EvaluateExpression([FromBody, SwaggerRequestBody("The request that contains the expression and variables")] ExpressionRequest request)
{
if (!this.ModelState.IsValid)
{
this.logger.LogError("This model doesn't look right to me!");
throw new ArgumentException("Your request body wasn't proper! ");
}
this.logger.LogInformation($"All looks good. Let's start parsing: {request.Expression}.");
MathExpressionBuilder builder = new MathExpressionBuilder(request.Expression);
IMathExpression parsedExpression = builder.GenerateExpression();
this.logger.LogDebug("Yup. Looks like a legit expression.");
foreach (var variable in request.VariableEntries)
{
builder.SetVariable(variable.Name, variable.Value.ToString());
this.logger.LogDebug("Setting variable {0} with {1}", variable.Name, variable.Value);
}
ExpressionResponse response = new ExpressionResponse
{
AdjustedExpression = parsedExpression.ToString(),
Expression = request.Expression,
VariableEntries = request.VariableEntries,
ValueGenerated = parsedExpression.EvaluateExpression()
};
return(this.Ok(response));
}
static void Main(string[] args)
{
foreach (var requests in args)
{
string[] commandItems = requests.Split(';');
if (commandItems.Length == 0)
{
continue;
}
string expression = commandItems[0];
MathFun.ExpressionBuilder.MathExpressionBuilder mathExpressionBuilder = new ExpressionBuilder.MathExpressionBuilder(expression);
IMathExpression mathExpression = mathExpressionBuilder.GenerateExpression();
Console.WriteLine($"The expression parsed was {mathExpression.ToString()}");
if (mathExpressionBuilder.ContainsVariables)
{
foreach (var variableCommand in commandItems)
{
string[] commandSubparts = variableCommand.Split("=");
if (commandSubparts.Length != 2)
{
continue;
}
string variableName = commandSubparts[0];
string value = commandSubparts[1];
mathExpressionBuilder.SetVariable(variableName, value);
Console.WriteLine($"{variableName}={value}");
}
}
Console.WriteLine($"The expression evaluated {mathExpression.EvaluateExpression()}");
}
}
