FCOLLADA_EXPORT void encode(const UInt8List& input, UInt8List& output)
{
output.clear();
if (input.size() == 0) return;
const uint8* inputBuffer = &input.at(0);
size_t p_inputbufferLength = input.size();
output.resize(CalculateRecquiredEncodeOutputBufferSize(input.size()), 0);
uint8* outputBufferString = &output.at(0);
size_t inputBufferIndex = 0;
size_t outputBufferIndex = 0;
while (inputBufferIndex < p_inputbufferLength)
{
if (p_inputbufferLength - inputBufferIndex <= 2)
{
EncodeByteTriple(inputBuffer + inputBufferIndex, p_inputbufferLength - inputBufferIndex, outputBufferString + outputBufferIndex);
break;
}
else
{
EncodeByteTriple(inputBuffer + inputBufferIndex, 3, outputBufferString + outputBufferIndex);
inputBufferIndex += 3;
outputBufferIndex += 4;
}
}
}
FCOLLADA_EXPORT void decode(const UInt8List& input, UInt8List& output)
{
size_t inputBufferIndex = 0;
size_t outputBufferIndex = 0;
const uint8* inputBufferString = &input.at(0);
size_t inputbufferLength = input.size();
output.clear();
output.resize(CalculateRecquiredDecodeOutputBufferSize(inputBufferString, inputbufferLength), 0);
uint8* outputBuffer = &output.at(0);
uint8 byteQuartet[4];
while (inputBufferIndex < inputbufferLength)
{
for (int i = 0; i < 4; ++i)
{
byteQuartet[i] = inputBufferString[inputBufferIndex];
// Ignore all characters except the ones in BASE64_ALPHABET
if ((byteQuartet[i] >= 48 && byteQuartet[i] <= 57) ||
(byteQuartet[i] >= 65 && byteQuartet[i] <= 90) ||
(byteQuartet[i] >= 97 && byteQuartet[i] <= 122) ||
byteQuartet[i] == '+' || byteQuartet[i] == '/' || byteQuartet[i] == '=')
{}
else
{
// Invalid character
--i;
}
++inputBufferIndex;
}
outputBufferIndex += DecodebyteQuartet(byteQuartet, outputBuffer + outputBufferIndex);
}
}