void DecodeRLE(const uint8_t* data, std::size_t size, Dump& result) { Dump tmp; tmp.reserve(MAX_SECTOR_SIZE); ByteStream stream(data, size); while (!stream.Eof()) { const uint_t len = 2 * stream.GetByte(); Require(!stream.Eof()); const uint_t count = stream.GetByte(); Require(count != 0); const bool isRLE = len != 0; const uint_t blockSize = isRLE ? len : count; Require(stream.GetRestBytes() >= blockSize); for (uint_t idx = 0; idx != blockSize; ++idx) { tmp.push_back(stream.GetByte()); } if (isRLE) { Require(CopyFromBack(len, tmp, len * (count - 1))); } } result.swap(tmp); }
void DecodeR2P(const uint8_t* data, std::size_t size, Dump& result) { Require(size % sizeof(R2PEntry) == 0); Dump tmp; tmp.reserve(MAX_SECTOR_SIZE); for (const R2PEntry* it = safe_ptr_cast<const R2PEntry*>(data), *lim = it + size / sizeof(*it); it != lim; ++it) { const uint_t count = fromLE(it->Count); Require(count != 0); tmp.push_back(it->Data[0]); tmp.push_back(it->Data[1]); Require(CopyFromBack(sizeof(it->Data), tmp, sizeof(it->Data) * (count - 1))); } result.swap(tmp); }