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suyu/src/core/file_sys/partition_filesystem.h
Morph 99ceb03a1c general: Convert source file copyright comments over to SPDX
This formats all copyright comments according to SPDX formatting guidelines.
Additionally, this resolves the remaining GPLv2 only licensed files by relicensing them to GPLv2.0-or-later.
2022-04-23 05:55:32 -04:00

91 lines
2.2 KiB
C++

// 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.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;
void PrintDebugInfo() const;
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