mirror of
https://github.com/yuzu-emu/yuzu.git
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77c684c114
* Add VfsFile and VfsDirectory classes * Finish abstract Vfs classes * Implement RealVfsFile (computer fs backend) * Finish RealVfsFile and RealVfsDirectory * Finished OffsetVfsFile * More changes * Fix import paths * Major refactor * Remove double const * Use experimental/filesystem or filesystem depending on compiler * Port partition_filesystem * More changes * More Overhaul * FSP_SRV fixes * Fixes and testing * Try to get filesystem to compile * Filesystem on linux * Remove std::filesystem and document/test * Compile fixes * Missing include * Bug fixes * Fixes * Rename v_file and v_dir * clang-format fix * Rename NGLOG_* to LOG_* * Most review changes * Fix TODO * Guess 'main' to be Directory by filename
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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#include "core/file_sys/vfs.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 : public ReadOnlyVfsDirectory {
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public:
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explicit PartitionFilesystem(std::shared_ptr<VfsFile> file);
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Loader::ResultStatus GetStatus() const;
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std::vector<std::shared_ptr<VfsFile>> GetFiles() const override;
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std::vector<std::shared_ptr<VfsDirectory>> GetSubdirectories() const override;
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std::string GetName() const override;
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std::shared_ptr<VfsDirectory> GetParentDirectory() const override;
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void PrintDebugInfo() const;
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protected:
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bool ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) override;
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private:
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struct Header {
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u32_le 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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Loader::ResultStatus status;
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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<VirtualFile> pfs_files;
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std::vector<VirtualDir> pfs_dirs;
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};
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} // namespace FileSys
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