public CustomArray Import(string fileText)
{
CustomArray array = new CustomArray();
try
{
var lines = fileText.Split(new string[] { "\n", "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
var col = lines[0].Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries).Length;
if (lines.Length != col)
{
return(null);
}
array.Value = new int[col, col];
for (int i = 0; i < col; i++)
{
var lineArray = lines[i].Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
for (int j = 0; j < col; j++)
{
if (int.TryParse(lineArray[j], out int n))
{
array.Value[i, j] = n;
}
else
{
array.Value[i, j] = -1;
}
}
}
}
catch (IndexOutOfRangeException)
{ }
return(array);
}
public string Export(CustomArray array)
{
if (array.Size < 1)
{
return(string.Empty);
}
StringBuilder sb = new StringBuilder();
for (int i = 0; i < array.Size; i++)
{
sb.Append(array.Value[i, 0]);
for (int j = 1; j < array.Size; j++)
{
sb.Append($",{array.Value[i, j]}");
}
sb.AppendLine();
}
return(sb.ToString());
}
public CustomArray Rotate(CustomArray array)
{
if (array.Value.Length > 1 && array.Size > 1)
{
int temp;
int size = array.Size;
for (int i = 0; i < Math.Floor((double)size / 2); i++)
{
for (int j = 0; j < Math.Ceiling((double)size / 2); j++)
{
temp = array.Value[size - 1 - i, size - 1 - j];
array.Value[size - 1 - i, size - 1 - j] = array.Value[j, size - 1 - i];
array.Value[j, size - 1 - i] = array.Value[i, j];
array.Value[i, j] = array.Value[size - 1 - j, i];
array.Value[size - 1 - j, i] = temp;
}
}
}
return(array);
}
