50 lines
2 KiB
C++
50 lines
2 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 <memory>
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#include "core/file_sys/vfs.h"
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namespace FileSys {
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// Wrapper function to allow for more efficient handling of dirs.size() == 0, 1 cases.
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VirtualDir LayerDirectories(std::vector<VirtualDir> dirs, std::string name = "");
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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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friend VirtualDir LayerDirectories(std::vector<VirtualDir> dirs, std::string name);
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LayeredVfsDirectory(std::vector<VirtualDir> dirs, std::string name);
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public:
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std::shared_ptr<VfsFile> GetFileRelative(std::string_view path) const override;
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std::shared_ptr<VfsDirectory> GetDirectoryRelative(std::string_view path) const override;
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std::shared_ptr<VfsFile> GetFile(std::string_view name) const override;
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std::shared_ptr<VfsDirectory> GetSubdirectory(std::string_view name) const override;
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std::string GetFullPath() const override;
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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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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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std::shared_ptr<VfsDirectory> GetParentDirectory() const override;
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std::shared_ptr<VfsDirectory> CreateSubdirectory(std::string_view name) override;
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std::shared_ptr<VfsFile> CreateFile(std::string_view name) override;
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bool DeleteSubdirectory(std::string_view name) override;
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bool DeleteFile(std::string_view name) override;
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bool Rename(std::string_view name) override;
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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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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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