/// <summary>
/// Display all valid options at <see cref="cs"/>.
/// </summary>
private void displayOptions()
{
displayTitle();
log.info("Valid boolean operators:");
log.info("\n");
foreach (var op in operatorActions)
{
log.info(
string.Format("\t['{0}']. {1}: {2}",
op.Value.keys.Select(key => key.ToString()).ToList().toStringSeparator("' or '"),
op.Key.ToString().toUpperCaseSeparator(),
op.Value.symbol
));
}
log.info("\n");
foreach (var extra in extraActions)
{
log.info(
string.Format("\t['{0}']: {1}",
extra.Key.ToString(),
extra.Value
));
}
log.info(string.Format("\t['{0}']. Execute expression.", executionKey.ToString()));
log.info(
string.Format("\t['{0}']. Remove last addition.",
deletionKeys.Select(key => key.ToString()).ToList().toStringSeparator("' or '")
));
log.info("\n");
log.warning(
string.Format("{0}",
hasParenthesis && isMissingParenthesis ? "Missing parenthesis on expression!" : ""
));
log.info("\n");
log.info(
string.Format("Expression: {0}",
string.IsNullOrEmpty(expression) ? "empty" : expression
));
}
/// <summary>
/// Handle <see cref="ck"/> based on its own dependency.
/// </summary>
/// <param name="key"></param>
private void handleKeys(ck key)
{
if (allowedKeys.Contains(key))
{
if (letterKeys.Contains(key))
{
expression += key.ToString().ToUpperInvariant();
}
if (optionKeys.Contains(key))
{
expression += getOperation(key).symbol;
}
if (deletionKeys.Contains(key) && !string.IsNullOrEmpty(expression))
{
expression = expression.Remove(expression.Length - 1);
}
if (parenthesisKeys.Contains(key))
{
expression += extraActions[key];
}
handleParenthesis();
if (executionKey == key)
{
if (!isEmpty())
{
if (hasParenthesis)
{
if (isMissingParenthesis)
{
log.error("\r\nExpression is invalid due missing parenthesis statement!");
log.info("\n");
log.warning("Press any key to continue...");
cs.ReadKey(true);
cs.Clear();
handleCalculator();
return;
}
}
handleExecution();
return;
}
else
{
log.error("\r\nExpression is empty!");
log.info("\n");
log.warning("Press any key to continue...");
cs.ReadKey(true);
}
}
}
else
{
log.error($"\rConsole key '{key.ToString()}' isn't allowed!");
log.info("\n");
log.warning("Press any key to continue...");
cs.ReadKey(true);
}
cs.Clear();
handleCalculator();
}
