private void MenuItem_PalindromesLoad(object sender, RoutedEventArgs e)
{
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Filter = "Coma separated files (*.csv)|*.csv|All files (*.*)|*.*";
if (openFileDialog.ShowDialog() == true)
{
DateTime start = DateTime.Now;
StreamReader fileStreamRead = new StreamReader(openFileDialog.FileName, Encoding.Unicode);
fileStreamRead.ReadLine();
pc.Clear();
Application.Current.Dispatcher.Invoke(new Action(() =>
{
this.Title = $"Loading palindromes";
}));
int count = 0;
bool parse = false;
while (!fileStreamRead.EndOfStream)
{
string line = fileStreamRead.ReadLine();
// The last line contains the number of palindrome
if (char.IsDigit(line[0]))
{
continue;
}
if (count == 0)
{
int columns = line.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries).Length;
switch (columns)
{
case 6: parse = false; break;
case 7: parse = true; break;
default:
throw new InvalidDataException($"CSV file has {columns} columns, but 6 or 7 are expected");
}
}
Palindrome pal = new Palindrome(line, parse);
pc.Add(pal);
count++;
if (count % 1000 == 0)
{
Application.Current.Dispatcher.Invoke(new Action(() =>
{
this.Title = $"Loaded {count} palindromes";
}));
}
}
dataPalindromes.ItemsSource = pc;
TimeSpan time = DateTime.Now - start;
this.Title = $"{pc.Count} palindromes loaded {(int)time.TotalSeconds}sec";
}
}
private async Task GeneratePalindromes(int depth, bool parse)
{
var proc = RunProcess(parse ? $"-palindromep:SR {depth}" : $"-palindrome:SR {depth}", true);
DateTime start = DateTime.Now;
await proc.StandardOutput.ReadLineAsync();
this.dataPalindromes.ItemsSource = null;
pc.Clear();
Application.Current.Dispatcher.Invoke(new Action(() =>
{
this.Title = $"Parsing palindromes (depth={depth})";
}));
int count = 0;
while (!proc.StandardOutput.EndOfStream)
{
string line = proc.StandardOutput.ReadLine();
// The last line contains the number of palindrome
if (char.IsDigit(line[0]))
{
continue;
}
Palindrome pal = new Palindrome(line, parse);
pc.Add(pal);
count++;
if (count % 1000 == 0)
{
Application.Current.Dispatcher.Invoke(new Action(() =>
{
this.Title = $"Received {count} palindromes (depth={depth})";
}));
}
}
dataPalindromes.ItemsSource = pc;
TimeSpan time = DateTime.Now - start;
this.Title = $"{pc.Count} palindromes loaded (depth={depth}) {(int)time.TotalSeconds}sec";
proc.WaitForExit();
}
