//should only throw I/O related exceptions
public void Load(string filename)
{
Ordinals.Clear();
Values.Clear();
AlreadyMissed.Clear();
Cursor = -1;
StreamReader reader = new StreamReader(filename);
string line = reader.ReadLine();
while (line != null)
{
if (!line.Trim().StartsWith("#"))
{
int tabIndex = line.IndexOf('\t');
if (tabIndex != -1)
{
string ordinal = line.Substring(0, tabIndex).Trim();
string value = line.Substring(tabIndex).Trim();
if (ordinal != "" && value != "")
{
Ordinals.Add(ordinal);
Values.Add(value);
AlreadyMissed.Add(false);
}
}
}
line = reader.ReadLine();
}
reader.Close();
}
public bool TryResponse(string response)
{
bool ret = false;
string expected = (Polarity == MemoryPractice.Polarity.OrdinalFirst ? Values[Cursor] : Ordinals[Cursor]);
if (expected.ToLower() == response.ToLower())
{
ret = true;
Ordinals.RemoveAt(Cursor);
Values.RemoveAt(Cursor);
AlreadyMissed.RemoveAt(Cursor);
}
else
{
if (!AlreadyMissed[Cursor])
{
missCount++;
}
AlreadyMissed[Cursor] = true;
}
LastRightAnswer = expected;
switch (Order)
{
case MemoryPractice.Order.Forward:
//if (!ret)
// Cursor++;
break;
case MemoryPractice.Order.Backwards:
if (ret)
{
Cursor--;
}
break;
default:
Cursor = random.Next(Ordinals.Count);
break;
}
return(ret);
}
