public DigitModel ParseCsvSingleRow(string csvPath, int pictureSize)
{
var reader = new StreamReader(File.OpenRead(csvPath));
string firstLine = reader.ReadLine();
byte acumulator = 0;
int pixelNr = 0;
byte digitLabel = (byte)(firstLine[0] - '0');
DigitModel currentModel = new DigitModel(digitLabel, pictureSize);
for (int i = 1; i < firstLine.Length; i++)
{
char currentChar = firstLine[i];
if (currentChar >= '0' && currentChar <= '9')
{
acumulator = (byte)(acumulator * 10 + (currentChar - '0'));
}
else if (pixelNr < pictureSize)
{
currentModel.DigitRepresentation[pixelNr] = acumulator;
acumulator = 0;
pixelNr++;
}
}
return currentModel;
}
public void PrintDigit(DigitModel digit)
{
Console.WriteLine("\n\n << " + digit.Digit+" >>");
int rowLength = (int)Math.Sqrt(digit.DigitRepresentation.Length);
for (int i = 0; i < rowLength; i++)
{
for (int j = 0; j < rowLength; j++)
{
int pixel = digit.DigitRepresentation[(i * rowLength) + j];
if (pixel != 0)
{
Console.Write(" ");
}
else
{
Console.Write((char)176);
}
}
Console.WriteLine();
}
}
public List<DigitModel> ParseCsvAsStream(string csvPath, int pictureSize)
{
List<DigitModel> digitModels = new List<DigitModel>();
var file = File.ReadAllText(csvPath);
byte acumulator = 0;
int pixelNr = 0;
byte digitLabel = (byte)(file[0] - '0');
DigitModel currentModel = new DigitModel(digitLabel, pictureSize);
for (int i = 1; i < file.Length; i++)
{
char currentChar = file[i];
if ((i + 1) == file.Length)
{
digitModels.Add(currentModel);
}
else if (currentChar == '\n')
{
digitModels.Add(currentModel);
digitLabel = (byte)(file[i + 1] - '0');
currentModel = new DigitModel(digitLabel, pictureSize);
pixelNr = 0;
i += 1;
}
else if (currentChar >= '0' && currentChar <= '9')
{
acumulator = (byte)(acumulator * 10 + (currentChar - '0'));
}
else if (pixelNr < pictureSize)
{
currentModel.DigitRepresentation[pixelNr] = acumulator;
acumulator = 0;
pixelNr++;
}
}
return digitModels;
}
