47 lines
1.8 KiB
C++
47 lines
1.8 KiB
C++
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include <memory>
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#include "core/file_sys/vfs.h"
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namespace FileSys {
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// Class that stacks multiple VfsDirectories on top of each other, attempting to read from the first
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// one and falling back to the one after. The highest priority directory (overwrites all others)
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// should be element 0 in the dirs vector.
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class LayeredVfsDirectory : public VfsDirectory {
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explicit LayeredVfsDirectory(std::vector<VirtualDir> dirs_, std::string name_);
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public:
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~LayeredVfsDirectory() override;
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/// Wrapper function to allow for more efficient handling of dirs.size() == 0, 1 cases.
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static VirtualDir MakeLayeredDirectory(std::vector<VirtualDir> dirs, std::string name = "");
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VirtualFile GetFileRelative(std::string_view path) const override;
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VirtualDir GetDirectoryRelative(std::string_view path) const override;
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VirtualFile GetFile(std::string_view file_name) const override;
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VirtualDir GetSubdirectory(std::string_view subdir_name) const override;
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std::string GetFullPath() const override;
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std::vector<VirtualFile> GetFiles() const override;
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std::vector<VirtualDir> GetSubdirectories() const override;
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bool IsWritable() const override;
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bool IsReadable() const override;
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std::string GetName() const override;
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VirtualDir GetParentDirectory() const override;
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VirtualDir CreateSubdirectory(std::string_view subdir_name) override;
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VirtualFile CreateFile(std::string_view file_name) override;
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bool DeleteSubdirectory(std::string_view subdir_name) override;
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bool DeleteFile(std::string_view file_name) override;
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bool Rename(std::string_view new_name) override;
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private:
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std::vector<VirtualDir> dirs;
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std::string name;
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};
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} // namespace FileSys
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