public CharacterStream(string streamData)
{
StartOfStream = true;
StreamData = streamData;
ArrayData = streamData.ToCharArray();
End = new CharacterCursor(this, ArrayData.Last(), ArrayData.Length-1);
Start = new CharacterCursor(this, ArrayData.First(), 0);
Current = new CharacterCursor(this, ArrayData.First(), 0);
}
public bool Matches(CharacterCursor cursor)
{
if (IsWildCard)
return true;
if (IsExpired)
return false;
IsExpired = cursor.Value == Value;
return IsExpired;
}
public CharacterCursor Continue()
{
if (StartOfStream)
{
StartOfStream = false;
return Start;
}
var nextIndex = Current.Index + 1;
var nextValue = ArrayData[nextIndex];
Current = new CharacterCursor(this, nextValue, nextIndex);
return Current;
}