/**
* <p>This method process the line for type how_much question<br>
* It extracts all the constant identifiers from line and calculates the value from the constantAssignments hashMap<br>
* It will generate an error
* @param line
* @throws Exception
*/
private void processHowMuchQuestion(String line)
{
try
{
//Break the how much question line based on "is" keyword
// the second part will contain the identifiers whooose values are to determined
// String formatted = line.split("\\sis\\s")[1].trim();
String formatted = line.Split(" is ")[1].Trim();
//Remove the question mark from the string
formatted = formatted.Replace("?", "").Trim();
//Now since the string will contain only identifiers,break them into words by splitting through space
String[] keys = formatted.Split(" ");
String romanResult = "";
String completeResult = null;
bool errorOccured = false;
foreach (String key in keys)
{
//For each identifier gets its value
String romanValue = constantAssignments.GetValueOrDefault(key);
if (romanValue == null)
{
// This means that user has entered something thats not in the hash map
completeResult = this.eMessage.GetMessage(ErrorCodes.NO_IDEA);
errorOccured = true;
break;
}
romanResult += romanValue;
}
if (!errorOccured)
{
//Utility.println(romanResult.length()+"");
romanResult = RomanNumbers.romanToArabic(romanResult);
completeResult = formatted + " is " + romanResult;
}
output.Add(completeResult);
}
catch (Exception e)
{
this.eMessage.PrintMessage(ErrorCodes.INCORRECT_LINE_TYPE);
Utility.println(e.Message);
}
}
/**
* <p>This method process the line for credit computation for line type CREDITS defined in ConversationLine.type<br>
* It extracts the constant identifier from line and compute the variable identifier<br>
* The variable identifier is assumed to be closest to 'is' keyword in the line
* </p>
* @param line String
*/
private void processCreditsLine(String line)
{
try
{
//Remove the unwanted words like "is" and "credits"
// String formatted = line.replaceAll("(is\\s+)|([c|C]redits\\s*)", "").trim();
//string testString = "<b>Hello, <i>world</i></b>";
Regex regex = new Regex("(is\\s+)|([c|C]redits\\s*)");
string formatted = regex.Replace(line, "");
//string formatted = line.Replace("is ","").Replace("Credit","").Replace("credit","").Trim();
//Split the remaining based on space
string[] keys = formatted.Split(" ");
Array.Resize(ref keys, keys.Length - 1);
//concatenate all keys to form roman number except the second last and last one. because the second last one is to be computed.
// The last one is the value itself
// get the value for that roman number
String toBeComputed = keys[keys.Length - 2];
float value = float.Parse(keys[keys.Length - 1]);
//concatenate remaining initial strings
String roman = "";
for (int i = 0; i < keys.Length - 2; i++)
{
roman += constantAssignments.GetValueOrDefault(keys[i]);
}
int romanNumber = int.Parse(RomanNumbers.romanToArabic(roman));
float credit = (float)(value / romanNumber);
computedLiterals.Add(toBeComputed, credit + "");
}
catch (Exception e)
{
this.eMessage.PrintMessage(ErrorCodes.INCORRECT_LINE_TYPE);
Utility.println(e.Message);
}
}
/**
* This will calculate the answer for how many credits question.
* @param line
*/
private void processHowManyCreditsQuestion(String line)
{
try
{
//Remove the unwanted words like "is" and "?"
String formatted = line.Split(" is ")[1];
formatted = formatted.Replace("?", "").Trim();
// search for all numerals for their values to compute the result
String[] keys = formatted.Split(" ");
bool found = false;
String roman = "";
String outputResult = null;
Stack <float> cvalues = new Stack <float>();
foreach (String key in keys)
{
found = false;
String romanValue = constantAssignments.GetValueOrDefault(key);
if (romanValue != null)
{
roman += romanValue;
found = true;
}
String computedValue = computedLiterals.GetValueOrDefault(key);
if (!found && computedValue != null)
{
cvalues.Push(float.Parse(computedValue));
found = true;
}
if (!found)
{
outputResult = this.eMessage.GetMessage(ErrorCodes.NO_IDEA);
break;
}
}
if (found)
{
float res = 1;
for (int i = 0; i < cvalues.Count; i++)
{
res *= cvalues.ToArray()[i];
}
int finalres = (int)res;
if (roman.Length > 0)
{
finalres = (int)(int.Parse(RomanNumbers.romanToArabic(roman)) * res);
}
outputResult = formatted + " is " + finalres + " Credits";
}
this.output.Add(outputResult);
}
catch (Exception e)
{
this.eMessage.PrintMessage(ErrorCodes.INCORRECT_LINE_TYPE);
Utility.println(e.Message);
}
}