private void DisplayFileContentsText(RpfFileEntry rfe, byte[] data, int length, int offset)
{
if (data == null)
{
Cursor = Cursors.Default;
DataTextBox.Text = "[Error extracting file! " + rfe.File.LastError + "]";
return;
}
int selline = -1;
int selstartc = -1;
int selendc = -1;
if (DataHexRadio.Checked)
{
int charsperln = int.Parse(DataHexLineCombo.Text);
int lines = (data.Length / charsperln) + (((data.Length % charsperln) > 0) ? 1 : 0);
StringBuilder hexb = new StringBuilder();
StringBuilder texb = new StringBuilder();
StringBuilder finb = new StringBuilder();
if (offset > 0)
{
selline = offset / charsperln;
}
for (int i = 0; i < lines; i++)
{
int pos = i * charsperln;
int poslim = pos + charsperln;
hexb.Clear();
texb.Clear();
hexb.AppendFormat("{0:X4}: ", pos);
for (int c = pos; c < poslim; c++)
{
if (c < data.Length)
{
byte b = data[c];
hexb.AppendFormat("{0:X2} ", b);
if (char.IsControl((char)b))
{
texb.Append(".");
}
else
{
texb.Append(Encoding.ASCII.GetString(data, c, 1));
}
}
else
{
hexb.Append(" ");
texb.Append(" ");
}
}
if (i == selline)
{
selstartc = finb.Length;
}
finb.AppendLine(hexb.ToString() + "| " + texb.ToString());
if (i == selline)
{
selendc = finb.Length - 1;
}
}
DataTextBox.Text = finb.ToString();
}
else
{
string text = Encoding.UTF8.GetString(data);
DataTextBox.Text = text;
if (offset > 0)
{
selstartc = offset;
selendc = offset + length;
}
}
if ((selstartc > 0) && (selendc > 0))
{
DataTextBox.SelectionStart = selstartc;
DataTextBox.SelectionLength = selendc - selstartc;
DataTextBox.ScrollToCaret();
}
}
//print handler for text got from serialPort1_DataReceived function
private void DisplayText(object o, EventArgs e)
{
//print text to datatextbox
DataTextBox.AppendText(rxString);
DataTextBox.ScrollToCaret();
}