C++ (Cpp) G2Packet::Writeの例

コード例 #1

ファイル: g2packet.cpp プロジェクト: geekt/quazaa

G2Packet* G2Packet::New(char* pSource)
{
	G2Packet* pPacket = New();

	char nInput		= *pSource++;

	char nLenLen	= ( nInput & 0xC0 ) >> 6;
	char nTypeLen	= ( nInput & 0x38 ) >> 3;
	char nFlags	= ( nInput & 0x07 );

	pPacket->m_bCompound	= ( nFlags & G2_FLAG_COMPOUND ) ? true : false;
	bool	bBigEndian	= ( nFlags & G2_FLAG_BIG_ENDIAN ) ? true : false;

	quint32 nLength = 0;

	if ( bBigEndian )
	{
		throw packet_error();
	}
	else
	{
		char* pLenOut = (char*)&nLength;
		while ( nLenLen-- ) *pLenOut++ = *pSource++;
	}

	nTypeLen++;
	char* pszType = pPacket->m_sType;
	for ( ; nTypeLen-- ;  )
	{
		*pszType++ = *pSource++;
	}
	*pszType++ = 0;

	pPacket->Write( pSource, nLength );

	return pPacket;
}