public VarSpec(OperatorInfo operatorInfo)
{
_operatorInfo = operatorInfo;
}
private void ProcessExpression(StringBuilder currentExpression, Result result)
{
if (currentExpression.Length == 0)
{
result.ErrorDetected = true;
result.Append("{}");
return;
}
OperatorInfo op = GetOperator(currentExpression[0]);
var firstChar = op.Default ? 0 : 1;
bool multivariableExpression = false;
var varSpec = new VarSpec(op);
for (int i = firstChar; i < currentExpression.Length; i++)
{
char currentChar = currentExpression[i];
switch (currentChar)
{
case '*':
varSpec.Explode = true;
break;
case ':': // Parse Prefix Modifier
var prefixText = new StringBuilder();
currentChar = currentExpression[++i];
while (currentChar >= '0' && currentChar <= '9' && i < currentExpression.Length)
{
prefixText.Append(currentChar);
i++;
if (i < currentExpression.Length)
{
currentChar = currentExpression[i];
}
}
varSpec.PrefixLength = int.Parse(prefixText.ToString());
i--;
break;
case ',':
multivariableExpression = true;
var success = ProcessVariable(varSpec, result, multivariableExpression);
bool isFirst = varSpec.First;
// Reset for new variable
varSpec = new VarSpec(op);
if (success || !isFirst || _resolvePartially)
{
varSpec.First = false;
}
if (!success && _resolvePartially)
{
result.Append(",");
}
break;
default:
if (IsVarNameChar(currentChar))
{
varSpec.VarName.Append(currentChar);
}
else
{
result.ErrorDetected = true;
}
break;
}
}
ProcessVariable(varSpec, result, multivariableExpression);
if (multivariableExpression && _resolvePartially)
{
result.Append("}");
}
}