public List <List <T> > ParseFile <T>(string filename)
{
//return value
List <List <int> > list = new List <List <int> >();
//open file
StreamReader reader = File.OpenText(filename);
string line;
int columns = 0,
rows = 0;
//read line
while ((line = reader.ReadLine()) != null)
{
//split by comma
string[] items = line.Split(':', ',');
//split by whitespace
//convert to integers
List <int> convertedItems = new List <int>();
foreach (var integer in items)
{
int item;
if (FileGlobalVars.getInstance().TryParseInt32(integer, out item) != -1)
{
convertedItems.Add(item);
}
}
++rows;
if (!(items.Length > 1))
{
reader.Close();
throw new Exception($"Row {rows} is corrupted!");
}
//convert to integers
if (rows == 1)
{
list.Add(convertedItems.ToList());
//columns constant integer is initiliazed
columns = convertedItems.Count;
}
else
{
list.Add(convertedItems.ToList());
}
}
reader.Close();
foreach (var _line in list)
{
for (int i = 1; i < _line.Count; i++)
{
if (_line[i] == _line[0])
{
throw new Exception("Cannot open a directed graph");
}
}
}
bool pass = false;
for (int i = 0; i < list.Count; i++)
{
for (int j = 1; j < list[i].Count; j++)
{
for (int k = 0; k < list.Count; k++)
{
if (list[k][0] == list[i][j])
{
for (int m = 0; m < list[k].Count; m++)
{
if (list[k][m] == list[i][0])
{
pass = true;
break;
}
}
}
if (pass)
{
break;
}
}
if (!pass)
{
throw new Exception("Cannot open a directed graph");
}
pass = false;
}
}
return((List <List <T> >)Convert.ChangeType(list, typeof(List <List <T> >)));
}
public List <List <T> > ParseFile <T>(string filename)
{
List <List <bool> > matrix = new List <List <bool> >();
StreamReader reader = File.OpenText(filename);
string line;
int columns = 0,
rows = 0;
//read line
while ((line = reader.ReadLine()) != null)
{
//split by whitespace
string[] items = line.Split(',');
//convert to integers
List <bool> convertedItems = new List <bool>();
foreach (var integer in items)
{
int item;
if (FileGlobalVars.getInstance().TryParseInt32(integer, out item) != -1 && (item == 0 || item == 1))
{
convertedItems.Add(item == 0 ? false : true);
}
}
++rows;
if (!(items.Length > 1))
{
reader.Close();
throw new Exception($"Row {rows} is corrupted!");
}
if (rows == 1)
{
matrix.Add(convertedItems.ToList());
//columns constant integer is initiliazed
columns = convertedItems.Count;
}
else if (convertedItems.Count == columns)
{
matrix.Add(convertedItems.ToList());
}
else
{
reader.Close();
throw new Exception($"Row #{rows} is corrupted!");
}
}
reader.Close();
if (columns != rows)
{
if (rows < columns)
{
throw new Exception("columns is bigger than rows");
}
else
{
throw new Exception("rows is bigger than columns");
}
}
for (int i = 0; i < rows; i++)
{
if (matrix[i][i] == true)
{
throw new Exception("Cannot open a directed graph");
}
for (int j = 0; j < columns; j++)
{
if (matrix[i][j] != matrix [j][i])
{
throw new Exception("Cannot open a directed graph");
}
}
}
return((List <List <T> >)Convert.ChangeType(matrix, typeof(List <List <T> >)));
}