VoxelEngine/src/io/devices/ZipFileDevice.hpp
2025-02-22 07:04:04 +03:00

50 lines
1.7 KiB
C++

#pragma once
#include <unordered_map>
#include "Device.hpp"
namespace io {
class ZipFileDevice : public Device {
struct Entry {
uint16_t versionMadeBy;
uint16_t versionNeeded;
uint16_t flags;
uint16_t compressionMethod;
uint16_t modTime;
uint16_t modDate;
uint32_t crc32;
uint32_t compressedSize;
uint32_t uncompressedSize;
uint16_t diskNumberStart;
uint16_t internalAttributes;
uint32_t externalAttributes;
uint32_t localHeaderOffset;
std::string fileName;
size_t blobOffset = 0;
bool isDirectory = false;
};
public:
ZipFileDevice(std::unique_ptr<std::istream> file);
std::filesystem::path resolve(std::string_view path) override;
std::unique_ptr<std::ostream> write(std::string_view path) override;
std::unique_ptr<std::istream> read(std::string_view path) override;
size_t size(std::string_view path) override;
bool exists(std::string_view path) override;
bool isdir(std::string_view path) override;
bool isfile(std::string_view path) override;
bool mkdir(std::string_view path) override;
bool mkdirs(std::string_view path) override;
bool remove(std::string_view path) override;
uint64_t removeAll(std::string_view path) override;
std::unique_ptr<PathsGenerator> list(std::string_view path) override;
private:
std::unique_ptr<std::istream> file;
std::unordered_map<std::string, Entry> entries;
Entry readEntry();
void findBlob(Entry& entry);
};
}