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Zmiana metody kompresji na chunkowanie, zmiana nazwy z Void Archive na expak

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yanczi 2025-09-30 00:33:16 +02:00
parent f6150b0d17
commit aef8daae9b
15 changed files with 320 additions and 93 deletions
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56
CreateCargo.cpp
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@ -157,48 +157,38 @@ CargoHead CreateCargo::CreateCargoHead(const uint32_t& filesLen, const uint64_t&
return ch;
}
//-----------------------------------------------------------------------------
// Kompresowanie
//-----------------------------------------------------------------------------
std::vector<char> CreateCargo::Compressing(const std::vector<char>& raw)
{
int maxZipSize = LZ4_compressBound(raw.size());
std::vector<char> zip(maxZipSize);
int zipSize = LZ4_compress_default(raw.data(), zip.data(), raw.size(), maxZipSize);
zip.resize(zipSize);
return zip;
}
//-----------------------------------------------------------------------------
// Sprawdza czy plik znajduje siê na liœcie
//-----------------------------------------------------------------------------
bool CreateCargo::CheckFileOnTheList(const std::string& path, std::vector<char>& input, std::vector<char>& output)
uint8_t CreateCargo::CheckFileOnTheList(const std::string& path, std::vector<char>& input, std::vector<char>& output)
{
//Flaga aktywna sprawdza czy plik jest na liœcie. Jeœli jest to zwraca surowedane
//Przeciwnie kompresuje dane
CompressingManager cm;
if (filteringFlag) {
if (FilteringData(path))
{
output = Compressing(input);
return true;
output = cm.compress(input);
return ZIP_FILE;
}
else
{
output = std::move(input);
return false;
return RAW_FILE;
}
}
//Flaga aktywna kompresuje dane
if (compressingFlag)
{
output = Compressing(input);
return true;
output = cm.compress(input);
return ZIP_FILE;
}
output = std::move(input);
return false;
return RAW_FILE;
}
//-----------------------------------------------------------------------------
@ -238,15 +228,15 @@ std::vector<FilesTable> CreateCargo::ComputingHeadFiles()
//Kompresjia
std::vector<char> zip;
bool isZip = CheckFileOnTheList(path, buffor, zip);
uint8_t method = CheckFileOnTheList(path, buffor, zip);
FilesTable ft;
ft.nameFile = path;
ft.nameLen = path.length();
ft.hashName = fnv32(path);
ft.offset = offset;
ft.size = zip.size();
ft.rawSize = size;
ft.isZip = isZip;
ft.isZip = method;
ft.crc = crc;
cargo.write(reinterpret_cast<const char*>(zip.data()), zip.size());
@ -323,6 +313,24 @@ std::string CreateCargo::UpperString(std::string s) {
return s;
}
//-----------------------------------------------------------------------------
// Wygenerój FNV-1a HASH
//-----------------------------------------------------------------------------
uint32_t CreateCargo::fnv32(const std::string& data)
{
const uint32_t fnvOffset = 2166136261u;
const uint32_t fnvPrime = 16777619u;
uint32_t hash = fnvOffset;
for (unsigned char c : data)
{
hash ^= c;
hash *= fnvPrime;
}
return hash;
}
//-----------------------------------------------------------------------------
// Sprawdzanie czy plik znajduje siê na liœcie
//-----------------------------------------------------------------------------
@ -412,9 +420,9 @@ bool CreateCargo::WriteCargo()
cargo.write(reinterpret_cast<const char*>(&head.nameLen), sizeof(head.nameLen));
cargo.write(head.nameFile.data(), head.nameLen);
cargo.write(reinterpret_cast<const char*>(&head.hashName), sizeof(head.hashName));
cargo.write(reinterpret_cast<const char*>(&head.offset), sizeof(head.offset));
cargo.write(reinterpret_cast<const char*>(&head.size), sizeof(head.size));
cargo.write(reinterpret_cast<const char*>(&head.rawSize), sizeof(head.rawSize));
cargo.write(reinterpret_cast<const char*>(&head.crc), sizeof(head.crc));
cargo.write(reinterpret_cast<const char*>(&head.isZip), sizeof(head.isZip));
}