ImHex/include/providers/file_provider.hpp

54 lines
1.3 KiB
C++

#pragma once
#include <hex/providers/provider.hpp>
#include <string_view>
#include <sys/stat.h>
#if defined(OS_WINDOWS)
#include <windows.h>
#else
#include <sys/mman.h>
#include <unistd.h>
#include <sys/fcntl.h>
#endif
namespace hex::prv {
class FileProvider : public Provider {
public:
explicit FileProvider(std::string_view path);
~FileProvider() override;
bool isAvailable() override;
bool isReadable() override;
bool isWritable() override;
void read(u64 offset, void *buffer, size_t size, bool overlays) override;
void write(u64 offset, const void *buffer, size_t size) override;
void readRaw(u64 offset, void *buffer, size_t size) override;
void writeRaw(u64 offset, const void *buffer, size_t size) override;
size_t getActualSize() override;
std::vector<std::pair<std::string, std::string>> getDataInformation() override;
private:
#if defined(OS_WINDOWS)
HANDLE m_file;
HANDLE m_mapping;
#else
int m_file;
#endif
std::string m_path;
void *m_mappedFile;
size_t m_fileSize;
bool m_fileStatsValid = false;
struct stat m_fileStats = { 0 };
bool m_readable, m_writable;
};
}