//============================================================================
// NFileUtilities::GetDirectorySize : Get a directory size.
//----------------------------------------------------------------------------
uint64_t NFileUtilities::GetDirectorySize(const NFile &theDirectory)
{ NFileIterator fileIterator;
NFileList theFiles;
NFile theFile;
uint64_t theSize;
NFileListConstIterator theIter;
// Validate our parameters
NN_ASSERT(theDirectory.IsDirectory());
// Get the state we need
theFiles = fileIterator.GetFiles(theDirectory);
theSize = 0;
// Get the size
for (theIter = theFiles.begin(); theIter != theFiles.end(); theIter++)
{
theFile = *theIter;
if (theFile.IsFile())
theSize += theFile.GetSize();
}
return(theSize);
}
//============================================================================
// NFileUtilities::UnmountVolume : Unmount a volume.
//----------------------------------------------------------------------------
NStatus NFileUtilities::UnmountVolume(const NFile &theFile)
{
// Validate our parameters
NN_ASSERT(theFile.IsDirectory());
// Unmount the volume
return(NTargetFile::UnmountVolume(theFile.GetPath()));
}
//============================================================================
// NFileUtilities::GetUniqueFile : Get a uniquely-named file.
//----------------------------------------------------------------------------
NFile NFileUtilities::GetUniqueFile(const NFile &theDirectory, const NString &fileName)
{ NString nameChild, nameFile, nameExt;
NRange extBreak;
NFile theFile;
NIndex n;
// Validate our parameters
NN_ASSERT(theDirectory.IsDirectory());
// Get the state we need
if (fileName.IsEmpty())
{
nameFile = "Temp";
nameExt = ".tmp";
}
else
{
extBreak = fileName.Find(".", kNStringBackwards);
if (extBreak.GetSize() == 1)
{
nameFile = fileName.GetLeft( extBreak.GetLocation());
nameExt = fileName.GetString(extBreak.GetLocation());
}
else
{
nameFile = fileName;
nameExt = "";
}
}
// Generate a unique name
n = 0;
while (n < 10000)
{
// Build the name
if (n == 0)
nameChild = nameFile;
else
nameChild.Format("%@ %ld", nameFile, n);
if (!nameExt.IsEmpty())
nameChild += nameExt;
// Check for the file
theFile = theDirectory.GetChild(nameChild);
if (!theFile.Exists())
return(theFile);
n++;
}
// Handle failure
NN_LOG("Unable to create a unique name");
theFile.Clear();
return(theFile);
}
