//============================================================================
// 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::GetFileData : Get a file as data.
//----------------------------------------------------------------------------
NData NFileUtilities::GetFileData(const NFile &theFile)
{ uint64_t theSize, numRead;
NFile mutableFile;
NData theData;
NStatus theErr;
// Get the state we need
mutableFile = theFile;
theSize = mutableFile.GetSize();
NN_ASSERT( ((int64_t) theSize) <= kInt32Max);
// Resize the buffer
if (!theData.SetSize((NIndex) theSize))
return(theData);
// Open the file
theErr = mutableFile.Open();
if (theErr != kNoErr)
{
theData.Clear();
return(theData);
}
// Read the data
theErr = mutableFile.Read(theSize, theData.GetData(), numRead);
theData.SetSize((NIndex) numRead);
NN_ASSERT_NOERR(theErr);
NN_ASSERT(numRead == theSize);
NN_ASSERT(((int64_t) numRead) <= kInt32Max);
// Clean up
mutableFile.Close();
return(theData);
}
