private void prevBlock_Click(object sender, EventArgs e)
{
dc.fileDataBlock--;
showCurrentBlock.Text = dc.fileDataBlock.ToString();
forkStream.forkType type = new forkStream.forkType();
switch ((string)comboBox1.SelectedItem)
{
case "Resource fork":
type = forkStream.forkType.resource;
dc.showForkData(dc.selectedFile, dc.fileDataBlock - 1, forkStream.forkType.resource);
if (dc.selectedFile.resourceFork.forkDataValues.totalBlocks == dc.fileDataBlock)
{
nextBlock.Enabled = false;
}
break;
default:
type = forkStream.forkType.data;
dc.showForkData(dc.selectedFile, dc.fileDataBlock - 1, forkStream.forkType.data);
break;
}
nextBlock.Enabled = true;
if (dc.fileDataBlock == 1)
{
prevBlock.Enabled = false;
}
hexText.Text = dc.contentDisplay;
}
public void showForkData(HFSPlusCatalogFile entry, uint block, forkStream.forkType type)
{
GPTScheme gpts = new GPTScheme(i);
HFSPlus hfsp = new HFSPlus(i, gpts.entries[entry.partitionAssoc]);
volumeStream vs = new volumeStream(hfsp);
extentsOverflowFile eof = new extentsOverflowFile(new HFSPlusFile(hfsp.volHead.extentsFile, forkStream.forkType.data), vs);
HFSPlusFile hfsp_file = new HFSPlusFile(entry, eof);
forkStream fs;
if (type == forkStream.forkType.data)
{
fs = new forkStream(vs, hfsp_file, forkStream.forkType.data);
}
else
{
fs = new forkStream(vs, hfsp_file, forkStream.forkType.resource);
}
contentDisplay = hexHeadLine + "\r\n";
if (fs.Length > 0)
{
byte[] showBlock = new byte[hfsp.blockSize];
fs.Seek(hfsp.blockSize * block, SeekOrigin.Begin);
fs.Read(showBlock, 0, (int)hfsp.blockSize);
rawDataDisplay(showBlock);
}
}
public void exportFile(HFSPlusCatalogFile entry, forkStream.forkType type, string path)
{
if (entry.dataFork.forkDataValues.logicalSize > 0 || entry.resourceFork.forkDataValues.logicalSize > 0)
{
GPTScheme gpts = new GPTScheme(i);
HFSPlus hfsp = new HFSPlus(i, gpts.entries[entry.partitionAssoc]);
volumeStream vs = new volumeStream(hfsp);
extentsOverflowFile eof = new extentsOverflowFile(new HFSPlusFile(hfsp.volHead.extentsFile, forkStream.forkType.data), vs);
HFSPlusFile hfsp_file = new HFSPlusFile(entry, eof);
forkStream fs;
long dataSize = 0;
if (type == forkStream.forkType.data)
{
fs = new forkStream(vs, hfsp_file, forkStream.forkType.data);
dataSize = (long)entry.dataFork.forkDataValues.logicalSize;
}
else
{
fs = new forkStream(vs, hfsp_file, forkStream.forkType.resource);
dataSize = (long)entry.resourceFork.forkDataValues.logicalSize;
}
fs.Position = 0;
FileStream writeStream = new FileStream(path, FileMode.Create);
BinaryWriter bw = new BinaryWriter(writeStream);
long bytesWritten = 0;
byte[] buffer;
while (bytesWritten < dataSize)
{
if (bytesWritten + 8192 <= dataSize)
{
buffer = new byte[8192];
fs.Read(buffer, 0, 8192);
bw.Write(buffer, 0, 8192);
bytesWritten += 8192;
}
else
{
buffer = new byte[dataSize - bytesWritten];
fs.Read(buffer, 0, buffer.Length);
bw.Write(buffer, 0, buffer.Length);
bytesWritten += buffer.Length;
}
}
bw.Close();
writeStream.Close();
}
}
public HFSPlusFile(hfsPlusForkData forkEntry, forkStream.forkType type)
{
fileContent.dataExtents = new List <hfsPlusForkData.HFSPlusExtentRecord>();
fileContent.resourceExtents = new List <hfsPlusForkData.HFSPlusExtentRecord>();
switch (type)
{
case forkStream.forkType.data:
addDataFork(forkEntry);
break;
case forkStream.forkType.resource:
addResourceFork(forkEntry);
break;
}
}
public void showForkData(HFSPlusCatalogFile entry, forkStream.forkType type)
{
GPTScheme gpts = new GPTScheme(i);
HFSPlus hfsp = new HFSPlus(i, gpts.entries[entry.partitionAssoc]);
volumeStream vs = new volumeStream(hfsp);
extentsOverflowFile eof = new extentsOverflowFile(new HFSPlusFile(hfsp.volHead.extentsFile, forkStream.forkType.data), vs);
HFSPlusFile hfsp_file = new HFSPlusFile(entry, eof);
forkStream fs;
if (type == forkStream.forkType.data)
{
fs = new forkStream(vs, hfsp_file, forkStream.forkType.data);
}
else
{
fs = new forkStream(vs, hfsp_file, forkStream.forkType.resource);
}
throw new NotImplementedException();
}
private void prevBlock_Click(object sender, EventArgs e)
{
dc.fileDataBlock--;
showCurrentBlock.Text = dc.fileDataBlock.ToString();
forkStream.forkType type = new forkStream.forkType();
switch ((string)comboBox1.SelectedItem)
{
case "Resource fork":
type = forkStream.forkType.resource;
dc.showForkData(dc.selectedFile, dc.fileDataBlock - 1, forkStream.forkType.resource);
if (dc.selectedFile.resourceFork.forkDataValues.totalBlocks == dc.fileDataBlock)
{
nextBlock.Enabled = false;
}
break;
default:
type = forkStream.forkType.data;
dc.showForkData(dc.selectedFile, dc.fileDataBlock - 1, forkStream.forkType.data);
break;
}
nextBlock.Enabled = true;
if (dc.fileDataBlock == 1)
{
prevBlock.Enabled = false;
}
hexText.Text = dc.contentDisplay;
}
private void goToBlock_Click(object sender, EventArgs e)
{
try
{
dc.fileDataBlock = Convert.ToUInt32(blockNumBox.Text);
}
catch (FormatException f)
{
MessageBox.Show("Input string is not a sequence of digits.\r\n" + f.Message);
}
catch (OverflowException f)
{
MessageBox.Show("The number cannot fit in a UInt32.\r\n" + f.Message);
}
finally
{
forkStream.forkType type = new forkStream.forkType();
switch (comboBox1.SelectedText)
{
case "Resource fork":
if (dc.fileDataBlock > dc.selectedFile.resourceFork.forkDataValues.totalBlocks)
{
MessageBox.Show("This block does not exist within the file");
}
else
{
showCurrentBlock.Text = blockNumBox.Text;
showTotalBlocks.Text = dc.selectedFile.resourceFork.forkDataValues.totalBlocks.ToString();
dc.showForkData(dc.selectedFile, dc.fileDataBlock - 1, forkStream.forkType.resource);
hexText.Text = dc.contentDisplay;
if (dc.fileDataBlock < dc.selectedFile.resourceFork.forkDataValues.totalBlocks)
{
nextBlock.Enabled = true;
}
else
{
nextBlock.Enabled = false;
}
if (dc.fileDataBlock > 1)
{
prevBlock.Enabled = true;
}
else
{
prevBlock.Enabled = false;
}
blockNumBox.Enabled = true;
goToBlock.Enabled = true;
}
break;
default:
if (dc.fileDataBlock > dc.selectedFile.dataFork.forkDataValues.totalBlocks)
{
MessageBox.Show("This block does not exist within the file");
}
else
{
showCurrentBlock.Text = blockNumBox.Text;
showTotalBlocks.Text = dc.selectedFile.dataFork.forkDataValues.totalBlocks.ToString();
dc.showForkData(dc.selectedFile, dc.fileDataBlock - 1, forkStream.forkType.data);
hexText.Text = dc.contentDisplay;
if (dc.fileDataBlock < dc.selectedFile.dataFork.forkDataValues.totalBlocks)
{
nextBlock.Enabled = true;
}
else
{
nextBlock.Enabled = false;
}
if (dc.fileDataBlock > 1)
{
prevBlock.Enabled = true;
}
else
{
prevBlock.Enabled = false;
}
blockNumBox.Enabled = true;
goToBlock.Enabled = true;
}
break;
}
}
}
private void goToBlock_Click(object sender, EventArgs e)
{
try
{
dc.fileDataBlock = Convert.ToUInt32(blockNumBox.Text);
}
catch (FormatException f)
{
MessageBox.Show("Input string is not a sequence of digits.\r\n" + f.Message);
}
catch (OverflowException f)
{
MessageBox.Show("The number cannot fit in a UInt32.\r\n" + f.Message);
}
finally
{
forkStream.forkType type = new forkStream.forkType();
switch (comboBox1.SelectedText)
{
case "Resource fork":
if (dc.fileDataBlock > dc.selectedFile.resourceFork.forkDataValues.totalBlocks)
{
MessageBox.Show("This block does not exist within the file");
}
else
{
showCurrentBlock.Text = blockNumBox.Text;
showTotalBlocks.Text = dc.selectedFile.resourceFork.forkDataValues.totalBlocks.ToString();
dc.showForkData(dc.selectedFile, dc.fileDataBlock - 1, forkStream.forkType.resource);
hexText.Text = dc.contentDisplay;
if (dc.fileDataBlock < dc.selectedFile.resourceFork.forkDataValues.totalBlocks)
{
nextBlock.Enabled = true;
}
else
{
nextBlock.Enabled = false;
}
if (dc.fileDataBlock > 1)
{
prevBlock.Enabled = true;
}
else
{
prevBlock.Enabled = false;
}
blockNumBox.Enabled = true;
goToBlock.Enabled = true;
}
break;
default:
if (dc.fileDataBlock > dc.selectedFile.dataFork.forkDataValues.totalBlocks)
{
MessageBox.Show("This block does not exist within the file");
}
else
{
showCurrentBlock.Text = blockNumBox.Text;
showTotalBlocks.Text = dc.selectedFile.dataFork.forkDataValues.totalBlocks.ToString();
dc.showForkData(dc.selectedFile, dc.fileDataBlock - 1, forkStream.forkType.data);
hexText.Text = dc.contentDisplay;
if (dc.fileDataBlock < dc.selectedFile.dataFork.forkDataValues.totalBlocks)
{
nextBlock.Enabled = true;
}
else
{
nextBlock.Enabled = false;
}
if (dc.fileDataBlock > 1)
{
prevBlock.Enabled = true;
}
else
{
prevBlock.Enabled = false;
}
blockNumBox.Enabled = true;
goToBlock.Enabled = true;
}
break;
}
}
}
