87 lines
2.1 KiB
C++
87 lines
2.1 KiB
C++
// Copyright 2018 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <array>
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#include <string>
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#include <vector>
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#include "common/common_funcs.h"
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#include "common/common_types.h"
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#include "common/swap.h"
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namespace Loader {
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enum class ResultStatus;
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}
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namespace FileSys {
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/**
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* Helper which implements an interface to parse PFS/HFS filesystems.
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* Data can either be loaded from a file path or data with an offset into it.
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*/
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class PartitionFilesystem {
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public:
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Loader::ResultStatus Load(const std::string& file_path, size_t offset = 0);
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Loader::ResultStatus Load(const std::vector<u8>& file_data, size_t offset = 0);
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u32 GetNumEntries() const;
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u64 GetEntryOffset(u32 index) const;
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u64 GetEntrySize(u32 index) const;
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std::string GetEntryName(u32 index) const;
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u64 GetFileOffset(const std::string& name) const;
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u64 GetFileSize(const std::string& name) const;
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void Print() const;
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private:
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struct Header {
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std::array<char, 4> magic;
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u32_le num_entries;
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u32_le strtab_size;
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INSERT_PADDING_BYTES(0x4);
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};
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static_assert(sizeof(Header) == 0x10, "PFS/HFS header structure size is wrong");
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#pragma pack(push, 1)
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struct FSEntry {
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u64_le offset;
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u64_le size;
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u32_le strtab_offset;
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};
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static_assert(sizeof(FSEntry) == 0x14, "FS entry structure size is wrong");
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struct PFSEntry {
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FSEntry fs_entry;
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INSERT_PADDING_BYTES(0x4);
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};
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static_assert(sizeof(PFSEntry) == 0x18, "PFS entry structure size is wrong");
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struct HFSEntry {
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FSEntry fs_entry;
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u32_le hash_region_size;
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INSERT_PADDING_BYTES(0x8);
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std::array<char, 0x20> hash;
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};
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static_assert(sizeof(HFSEntry) == 0x40, "HFS entry structure size is wrong");
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#pragma pack(pop)
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struct FileEntry {
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FSEntry fs_entry;
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std::string name;
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};
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Header pfs_header;
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bool is_hfs;
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size_t content_offset;
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std::vector<FileEntry> pfs_entries;
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};
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} // namespace FileSys
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