private void run_Click(object sender, EventArgs e)
{
OpenFileDialog fileIn = new OpenFileDialog();
SaveFileDialog fileOut = new SaveFileDialog();
if ((fileIn.ShowDialog() != DialogResult.OK) || (fileOut.ShowDialog() != DialogResult.OK))
{
MessageBox.Show("Не выбран входной или выходной файл.");
return;
}
//read input file
string buffer = "";
try
{
buffer = File.ReadAllText(fileIn.FileName);
if (buffer.Length == 0)
{
throw new Exception("File is empty.");
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
return;
}
//create stack
//MyStack<char> stack = new MyStack<char>();
DataTypes.Stack <char> stack = new DataTypes.Stack <char>();
for (int i = 0; i < buffer.Length; i++)
{
stack.Push(buffer[i]);
}
//get number
try
{
buffer = StackLogic.GetNumber(stack);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
return;
}
//write result
try
{
File.WriteAllText(fileOut.FileName, buffer);
MessageBox.Show(String.Format("Результат {0} в : {1}", buffer, fileOut.FileName));
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
public static string GetNumber(DataTypes.Stack <char> stack)
{
if (stack.Size == 0)
{
throw new Exception("Stack is empty.");
}
string tmp = "";
while (stack.Size != 0)
{
char c = stack.Pop();
if ((c >= '0') && (c <= '9'))
{
tmp += c;
}
}
if (tmp.Length == 0)
{
throw new Exception("Number is empty.");
}
return(tmp);
}
