//============================================================================
// NDataEncoder::B64_Encode : Encode to Base64.
//----------------------------------------------------------------------------
NString NDataEncoder::B64_Encode(const NData &theValue)
{ NData theBuffer;
NString theString;
base64_encodestate theState;
char *dataPtr;
NIndex dataSize;
// Get the state we need
base64_init_encodestate(&theState);
if (theValue.IsEmpty() || !theBuffer.SetSize(theValue.GetSize() * 2))
return(theString);
// Encode the value
dataPtr = (char *) theBuffer.GetData();
dataSize = base64_encode_block((const char *) theValue.GetData(), theValue.GetSize(), dataPtr, &theState);
theString = NString(dataPtr, dataSize);
dataSize = base64_encode_blockend(dataPtr, &theState);
if (dataSize != 0)
theString += NString(dataPtr, dataSize);
// Remove the trailing newline
NN_ASSERT(theString.GetRight(1) == "\n");
theString.TrimRight(1);
return(theString);
}
//============================================================================
// 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);
}