85 lines
2.8 KiB
C++
85 lines
2.8 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 <cstddef>
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#include <memory>
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#include <string>
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#include "common/common_types.h"
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#include "common/file_util.h"
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#include "core/file_sys/directory.h"
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#include "core/file_sys/filesystem.h"
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#include "core/file_sys/storage.h"
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#include "core/hle/result.h"
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namespace FileSys {
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class Disk_FileSystem : public FileSystemBackend {
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public:
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explicit Disk_FileSystem(std::string base_directory)
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: base_directory(std::move(base_directory)) {}
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std::string GetName() const override;
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ResultVal<std::unique_ptr<StorageBackend>> OpenFile(const std::string& path,
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Mode mode) const override;
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ResultCode DeleteFile(const std::string& path) const override;
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ResultCode RenameFile(const Path& src_path, const Path& dest_path) const override;
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ResultCode DeleteDirectory(const Path& path) const override;
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ResultCode DeleteDirectoryRecursively(const Path& path) const override;
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ResultCode CreateFile(const std::string& path, u64 size) const override;
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ResultCode CreateDirectory(const std::string& path) const override;
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ResultCode RenameDirectory(const Path& src_path, const Path& dest_path) const override;
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ResultVal<std::unique_ptr<DirectoryBackend>> OpenDirectory(
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const std::string& path) const override;
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u64 GetFreeSpaceSize() const override;
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ResultVal<EntryType> GetEntryType(const std::string& path) const override;
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protected:
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std::string base_directory;
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};
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class Disk_Storage : public StorageBackend {
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public:
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Disk_Storage(std::shared_ptr<FileUtil::IOFile> file) : file(std::move(file)) {}
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ResultVal<size_t> Read(u64 offset, size_t length, u8* buffer) const override;
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ResultVal<size_t> Write(u64 offset, size_t length, bool flush, const u8* buffer) const override;
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u64 GetSize() const override;
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bool SetSize(u64 size) const override;
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bool Close() const override {
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return false;
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}
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void Flush() const override {}
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private:
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std::shared_ptr<FileUtil::IOFile> file;
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};
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class Disk_Directory : public DirectoryBackend {
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public:
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Disk_Directory(const std::string& path);
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~Disk_Directory() override {
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Close();
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}
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u64 Read(const u64 count, Entry* entries) override;
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u64 GetEntryCount() const override;
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bool Close() const override {
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return true;
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}
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protected:
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u32 total_entries_in_directory;
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FileUtil::FSTEntry directory;
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// We need to remember the last entry we returned, so a subsequent call to Read will continue
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// from the next one. This iterator will always point to the next unread entry.
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std::vector<FileUtil::FSTEntry>::iterator children_iterator;
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};
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} // namespace FileSys
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