private void Save()
{
if (_fileName != null)
{
using (FileStream fs = new FileStream(_fileName, FileMode.OpenOrCreate)) {
_hexView.ApplyEdits(fs);
//_hexView.Source.Position = 0;
//_hexView.Source.CopyTo (fs);
//fs.Flush ();
}
_saved = true;
}
else
{
_hexView.ApplyEdits();
}
}
public void AllowEdits_Edits_ApplyEdits()
{
var hv = new HexView(LoadStream(true))
{
Width = 20,
Height = 20
};
Assert.Empty(hv.Edits);
hv.AllowEdits = false;
Assert.True(hv.ProcessKey(new KeyEvent(Key.Home, new KeyModifiers())));
Assert.False(hv.ProcessKey(new KeyEvent(Key.A, new KeyModifiers())));
Assert.Empty(hv.Edits);
Assert.Equal(126, hv.Source.Length);
hv.AllowEdits = true;
Assert.True(hv.ProcessKey(new KeyEvent(Key.D4, new KeyModifiers())));
Assert.True(hv.ProcessKey(new KeyEvent(Key.D1, new KeyModifiers())));
Assert.Single(hv.Edits);
Assert.Equal(65, hv.Edits.ToList() [0].Value);
Assert.Equal('A', (char)hv.Edits.ToList() [0].Value);
Assert.Equal(126, hv.Source.Length);
// Appends byte
Assert.True(hv.ProcessKey(new KeyEvent(Key.End, new KeyModifiers())));
Assert.True(hv.ProcessKey(new KeyEvent(Key.D4, new KeyModifiers())));
Assert.True(hv.ProcessKey(new KeyEvent(Key.D2, new KeyModifiers())));
Assert.Equal(2, hv.Edits.Count);
Assert.Equal(66, hv.Edits.ToList() [1].Value);
Assert.Equal('B', (char)hv.Edits.ToList() [1].Value);
Assert.Equal(126, hv.Source.Length);
hv.ApplyEdits();
Assert.Empty(hv.Edits);
Assert.Equal(127, hv.Source.Length);
}
public void ApplyEdits_With_Argument()
{
byte [] buffer = Encoding.Default.GetBytes("Fest");
var original = new MemoryStream();
original.Write(buffer, 0, buffer.Length);
original.Flush();
var copy = new MemoryStream();
original.Position = 0;
original.CopyTo(copy);
copy.Flush();
var hv = new HexView(copy)
{
Width = Dim.Fill(), Height = Dim.Fill()
};
byte [] readBuffer = new byte [hv.Source.Length];
hv.Source.Position = 0;
hv.Source.Read(readBuffer);
Assert.Equal("Fest", Encoding.Default.GetString(readBuffer));
Assert.True(hv.ProcessKey(new KeyEvent(Key.D5, new KeyModifiers())));
Assert.True(hv.ProcessKey(new KeyEvent(Key.D4, new KeyModifiers())));
readBuffer [hv.Edits.ToList() [0].Key] = hv.Edits.ToList() [0].Value;
Assert.Equal("Test", Encoding.Default.GetString(readBuffer));
hv.ApplyEdits(original);
original.Position = 0;
original.Read(buffer);
copy.Position = 0;
copy.Read(readBuffer);
Assert.Equal("Test", Encoding.Default.GetString(buffer));
Assert.Equal("Test", Encoding.Default.GetString(readBuffer));
Assert.Equal(Encoding.Default.GetString(buffer), Encoding.Default.GetString(readBuffer));
}