88 lines
2.0 KiB
C++
88 lines
2.0 KiB
C++
// Copyright 2018 yuzu emulator team
|
|
// Licensed under GPLv2 or any later version
|
|
// Refer to the license.txt file included.
|
|
|
|
#pragma once
|
|
|
|
#include <array>
|
|
#include <string>
|
|
#include <vector>
|
|
#include "common/common_funcs.h"
|
|
#include "common/common_types.h"
|
|
#include "common/swap.h"
|
|
|
|
namespace Loader {
|
|
enum class ResultStatus;
|
|
}
|
|
|
|
namespace FileSys {
|
|
|
|
/**
|
|
* Helper which implements an interface to parse PFS/HFS filesystems.
|
|
* Data can either be loaded from a file path or data with an offset into it.
|
|
*/
|
|
class PartitionFilesystem {
|
|
public:
|
|
Loader::ResultStatus Load(const std::string& file_path, size_t offset = 0);
|
|
Loader::ResultStatus Load(const std::vector<u8>& file_data, size_t offset = 0);
|
|
|
|
u32 GetNumEntries() const;
|
|
u64 GetEntryOffset(u32 index) const;
|
|
u64 GetEntrySize(u32 index) const;
|
|
std::string GetEntryName(u32 index) const;
|
|
u64 GetFileOffset(const std::string& name) const;
|
|
u64 GetFileSize(const std::string& name) const;
|
|
|
|
void Print() const;
|
|
|
|
private:
|
|
struct Header {
|
|
u32_le magic;
|
|
u32_le num_entries;
|
|
u32_le strtab_size;
|
|
INSERT_PADDING_BYTES(0x4);
|
|
};
|
|
|
|
static_assert(sizeof(Header) == 0x10, "PFS/HFS header structure size is wrong");
|
|
|
|
#pragma pack(push, 1)
|
|
struct FSEntry {
|
|
u64_le offset;
|
|
u64_le size;
|
|
u32_le strtab_offset;
|
|
};
|
|
|
|
static_assert(sizeof(FSEntry) == 0x14, "FS entry structure size is wrong");
|
|
|
|
struct PFSEntry {
|
|
FSEntry fs_entry;
|
|
INSERT_PADDING_BYTES(0x4);
|
|
};
|
|
|
|
static_assert(sizeof(PFSEntry) == 0x18, "PFS entry structure size is wrong");
|
|
|
|
struct HFSEntry {
|
|
FSEntry fs_entry;
|
|
u32_le hash_region_size;
|
|
INSERT_PADDING_BYTES(0x8);
|
|
std::array<char, 0x20> hash;
|
|
};
|
|
|
|
static_assert(sizeof(HFSEntry) == 0x40, "HFS entry structure size is wrong");
|
|
|
|
#pragma pack(pop)
|
|
|
|
struct FileEntry {
|
|
FSEntry fs_entry;
|
|
std::string name;
|
|
};
|
|
|
|
Header pfs_header;
|
|
bool is_hfs;
|
|
size_t content_offset;
|
|
|
|
std::vector<FileEntry> pfs_entries;
|
|
};
|
|
|
|
} // namespace FileSys
|