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// 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(int index) const;
u64 GetEntrySize(int index) const;
std::string GetEntryName(int index) const;
u64 GetFileOffset(const std::string& name) const;
u64 GetFileSize(const std::string& name) const;
void Print() const;
private:
struct Header {
std::array<char, 4> 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
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