private TTLuat Tach_Rule(string input)
{
int len = input.Length;
TTLuat ttLuat = new TTLuat();
int i = 0;
while (i < len && input[i] != ':')
{
ttLuat._ruleName += input[i].ToString();
i++;
}
i++;
while (i < len && input[i] != '-')
{
if (input[i] != '^' && input[i] != ' ')
{
ttLuat._veTrai += input[i].ToString();
}
i++;
}
i += 2;
while (i < len)
{
ttLuat._vePhai += input[i].ToString();
i++;
}
return(ttLuat);
}
/// <summary>
/// hàm thực hiện xóa dữ liệu trong file Rules.txt
/// </summary>
public void XoaFile()
{
StreamReader sr = File.OpenText("Rules.txt");
string[] tam = new string[count_Rule];
TTLuat ttLuat = new TTLuat();
ttLuat._ruleName = txtLuatSo.Text;
ttLuat._vePhai = txtVePhai.Text;
ttLuat._veTrai = txtVeTrai.Text;
for (int i = 0; i < count_Rule; i++)
{
if (R[i]._ruleName == ttLuat._ruleName)
{
DeleteRules(i);
i--;
}
else
{
tam[i] = sr.ReadLine();
}
}
sr.Close();
FileStream outtream = new FileStream("Rules.txt", FileMode.Create);
StreamWriter sw = new StreamWriter(outtream, Encoding.UTF8);
for (int i = 0; i < count_Rule; i++)
{
sw.WriteLine(tam[i]);
}
sw.Close();
}
