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// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <array>
#include <string>
#include <vector>
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "common/swap.h"
#include "core/file_sys/vfs/vfs.h"
namespace Loader {
enum class ResultStatus : u16;
}
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 ReadOnlyVfsDirectory {
public:
explicit PartitionFilesystem(VirtualFile file);
~PartitionFilesystem() override;
Loader::ResultStatus GetStatus() const;
std::map<std::string, u64> GetFileOffsets() const;
std::map<std::string, u64> GetFileSizes() const;
std::vector<VirtualFile> GetFiles() const override;
std::vector<VirtualDir> GetSubdirectories() const override;
std::string GetName() const override;
VirtualDir GetParentDirectory() const override;
private:
struct Header {
u32_le magic;
u32_le num_entries;
u32_le strtab_size;
INSERT_PADDING_BYTES(0x4);
bool HasValidMagicValue() const;
};
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)
Loader::ResultStatus status{};
Header pfs_header{};
bool is_hfs = false;
std::size_t content_offset = 0;
std::map<std::string, u64> offsets;
std::map<std::string, u64> sizes;
std::vector<VirtualFile> pfs_files;
};
} // namespace FileSys
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