/// <summary>
/// Replaces an UTF-16 encoded string
/// </summary>
private void ReplaceUTF16(bool all)
{
var inputBytes = StringParser.GetUTF16Bytes(txtNewString.Text, false);
var result = all ? Replacer.ReplaceAll(FrmMain.fileBytes, StringParser.GetUTF16Bytes(txtOriginalString.Text, false), inputBytes) : Replacer.ReplaceFirst(FrmMain.fileBytes, StringParser.GetUTF16Bytes(txtOriginalString.Text, false), inputBytes);
worked = result.Worked;
if (result.Worked)
{
FrmMain.fileBytes = result.Bytes;
}
}
/// <summary>
/// Replaces an ASCII encoded string
/// </summary>
private void ReplaceASCII(bool all)
{
var inputBytes = Encoding.ASCII.GetBytes(txtNewString.Text);
var result = all ? Replacer.ReplaceAll(FrmMain.fileBytes, Encoding.ASCII.GetBytes(txtOriginalString.Text), inputBytes) : Replacer.ReplaceFirst(FrmMain.fileBytes, Encoding.ASCII.GetBytes(txtOriginalString.Text), inputBytes);
worked = result.Worked;
if (result.Worked)
{
FrmMain.fileBytes = result.Bytes;
}
}
private void btnReplace_Click(object sender, EventArgs e)
{
// Check length
if (txtOriginalString.Text.Length != txtNewString.Text.Length)
{
txtNewString.Text = Replacer.AdjustString(txtOriginalString.Text, txtNewString.Text);
return;
}
txtNewString.Enabled = false;
bool all;
if (sender as StrafeButton == btnReplace)
{
all = false;
}
else
{
all = true;
}
if (type == "Both")
{
ReplaceASCII(all);
ReplaceUTF16(all);
// TODO: BOTTOM RIGHT OF SCREEN NOTIFICATION
}
else if (type == "ASCII")
{
ReplaceASCII(all);
}
else if (type == "UTF-16")
{
ReplaceUTF16(all);
}
if (!worked)
{
this.Close();
return;
}
if (all)
{
main.lstStrings.Items[listIndex].SubItems[1].Text = txtNewString.Text;
}
else
{
// f**k my life
int numberOfReplaces = (type == "Both") ? 2 : 1;
int occurrences = int.Parse(main.lstStrings.Items[listIndex].SubItems[5].Text);
if (occurrences - numberOfReplaces <= 0)
{
main.lstStrings.Items[listIndex].SubItems[1].Text = txtNewString.Text;
main.lstStrings.Items[listIndex].SubItems[4].Text = StringParser.ShannonEntropy(txtNewString.Text).ToString("F");
}
else
{
main.lstStrings.Items[listIndex].SubItems[5].Text =
(occurrences - numberOfReplaces).ToString();
main.AddItem(txtNewString.Text, type, StringParser.ShannonEntropy(txtNewString.Text).ToString("F"),
numberOfReplaces.ToString());
}
}
this.Close();
}