yanczi/VoidArchive
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Wypakowywanie strumieniowe

Browse source
This commit is contained in:
yanczi 2025-12-22 14:51:04 +01:00
parent c2bdcfe2b9
commit e69bfd0e3d
4 changed files with 57 additions and 15 deletions
Download patch file Download diff file Expand all files Collapse all files

60
ExtractCargo.cpp
View file

@ -195,19 +195,59 @@ void ExtractCargo::ExtractingFilesFromCargo()
std::cout << fh.size << std::endl;
cargoFile.seekg(fh.offset);
std::vector<char> buffor(fh.size);
cargoFile.read(buffor.data(), fh.size);
std::vector<char> rawBuffor;
computingBytes(buffor, rawBuffor, fh.flag);
if (!HashValid(rawBuffor, fh.crc))
// Strumieñ wyci¹gaj¹cy
for (uint64_t sc = 0; sc < fh.size; sc += ds::chunk_stream)
{
std::cerr << fh.nameFile << " Error: Corrupted data integration CRC" << std::endl;
}
if (fh.flag == flag::raw)
{
const uint32_t streamChunk = std::min(ds::chunk_stream, static_cast<uint32_t>(fh.size - sc));
file.write(reinterpret_cast<const char*>(rawBuffor.data()), rawBuffor.size());
std::vector<char> buffer(streamChunk);
cargoFile.read(buffer.data(), streamChunk);
file.write(reinterpret_cast<const char*>(buffer.data()), streamChunk);
}
else
{
uint32_t chunkLen;
uint32_t chunkBeforeSize;
uint32_t chunkLastSize;
cargoFile.read(reinterpret_cast<char*>(&chunkLen), sizeof(chunkLen));
cargoFile.read(reinterpret_cast<char*>(&chunkBeforeSize), sizeof(chunkBeforeSize));
cargoFile.read(reinterpret_cast<char*>(&chunkLastSize), sizeof(chunkLastSize));
std::vector<char> chunksString;
// Dekompresja bloków
for (size_t i = 0; i < chunkLen; ++i)
{
// Pobierz rozmiar chunków przed i po skompresowaniem
uint32_t chunkSize = i < chunkLen - 1 ? chunkBeforeSize : chunkLastSize;
uint32_t chunkZipSize;
cargoFile.read(reinterpret_cast<char*>(&chunkZipSize), sizeof(chunkZipSize));
// Pobierz blok chunka
std::vector<char> buffer(chunkZipSize);
cargoFile.read(buffer.data(), chunkZipSize);
std::vector<char> rawBuffer(chunkSize);
if ((fh.flag & flag::zip) == flag::zip)
{
rawBuffer = (fh.flag & flag::enc) == flag::enc ?
eman.decrypt(cman.decompress(buffer, chunkSize)) :
cman.decompress(buffer, chunkSize);
}
else
{
rawBuffer = eman.decrypt(buffer);
}
file.write(reinterpret_cast<const char*>(rawBuffer.data()), chunkSize);
}
}
}
file.close();
}