void FifoByte::Read(Bwx& aBuffer, TUint aBytes)
{
aBuffer.SetBytes(0);
for (TUint i = 0; i < aBytes; i++) {
aBuffer.Append(Fifo<TByte>::Read());
}
}
static void AppendUint32(Bwx& aBuf, TUint aNum)
{
TUint bytes = aBuf.Bytes();
ASSERT(bytes + sizeof(TUint32) <= aBuf.MaxBytes());
memcpy(const_cast<TByte*>(aBuf.Ptr()+bytes), &aNum, sizeof(TUint32));
aBuf.SetBytes(bytes + sizeof(TUint32));
}
void ReaderBinary::ReadReplace(TUint aBytes, Bwx& aBuffer)
{
ASSERT(aBytes <= aBuffer.MaxBytes());
aBuffer.SetBytes(0);
while (aBytes > 0) {
Brn buf = iReader.Read(aBytes);
aBuffer.Append(buf);
aBytes -= buf.Bytes();
}
}
void FileAnsii::Read(Bwx& aBuffer, TUint32 aBytes)
{
// IFile implementations must check read length
ASSERT(aBytes);
// Check there's enough space in read buffer
ASSERT(aBytes <= aBuffer.BytesRemaining());
// Find read pointer
TByte* p = const_cast<TByte*>(aBuffer.Ptr()) + aBuffer.Bytes();
// Do the read
TUint bytesRead = (TUint)fread(p, 1, aBytes, iFilePtr);
// Register the new content with the buffer
aBuffer.SetBytes(aBuffer.Bytes() + bytesRead);
// throw if entire read wasn't performed
if ( bytesRead == 0 )
THROW(FileReadError);
}