PlankResult BinaryFileInternal::dynamicMemoryReadCallback (PlankFileRef p, PlankP ptr, int maximumBytes, int* bytesReadOut)
{
plonk_assert (p != 0);
plonk_assert (ptr != 0);
plonk_assert (maximumBytes > 0);
PlankResult result;
UnsignedChar* src;
ByteArray* array = static_cast<ByteArray*> (p->stream);
LongLong size = array->length();
int bytesRead;
result = PlankResult_OK;
bytesRead = int (plonk::min (LongLong (maximumBytes), size - p->position));
if (bytesRead <= 0)
{
result = PlankResult_FileEOF;
goto exit;
}
src = (UnsignedChar*)array->getArray() + p->position;
Memory::copy (ptr, src, bytesRead);
p->position += bytesRead;
if (bytesReadOut)
*bytesReadOut = bytesRead;
exit:
return result;
}
PlankResult BinaryFileInternal::dynamicMemoryWriteCallback (PlankFileRef p, const void* data, const int maximumBytes)
{
plonk_assert (p != 0);
plonk_assert (data != 0);
plonk_assert (maximumBytes > 0);
PlankResult result;
UnsignedChar* dst;
ByteArray* array = static_cast<ByteArray*> (p->stream);
LongLong sizeNeeded;
result = PlankResult_OK;
sizeNeeded = p->position + maximumBytes;
array->setSize (plonk::max ((int)sizeNeeded, array->length()), true);
dst = (UnsignedChar*)array->getArray() + p->position;
Memory::copy (dst, data, maximumBytes);
p->position += maximumBytes;
//exit:
return result;
}
