9a07ed53eb
Now that we have most of core free of shadowing, we can enable the warning as an error to catch anything that may be remaining and also eliminate this class of logic bug entirely.
48 lines
1.7 KiB
C++
48 lines
1.7 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 <map>
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#include <memory>
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#include <string_view>
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#include "core/file_sys/vfs.h"
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namespace FileSys {
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// Class that wraps multiple vfs files and concatenates them, making reads seamless. Currently
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// read-only.
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class ConcatenatedVfsFile : public VfsFile {
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explicit ConcatenatedVfsFile(std::vector<VirtualFile> files, std::string name_);
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explicit ConcatenatedVfsFile(std::multimap<u64, VirtualFile> files, std::string name_);
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public:
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~ConcatenatedVfsFile() override;
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/// Wrapper function to allow for more efficient handling of files.size() == 0, 1 cases.
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static VirtualFile MakeConcatenatedFile(std::vector<VirtualFile> files, std::string name);
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/// Convenience function that turns a map of offsets to files into a concatenated file, filling
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/// gaps with a given filler byte.
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static VirtualFile MakeConcatenatedFile(u8 filler_byte, std::multimap<u64, VirtualFile> files,
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std::string name);
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std::string GetName() const override;
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std::size_t GetSize() const override;
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bool Resize(std::size_t new_size) override;
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VirtualDir GetContainingDirectory() const override;
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bool IsWritable() const override;
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bool IsReadable() const override;
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std::size_t Read(u8* data, std::size_t length, std::size_t offset) const override;
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std::size_t Write(const u8* data, std::size_t length, std::size_t offset) override;
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bool Rename(std::string_view new_name) override;
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private:
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// Maps starting offset to file -- more efficient.
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std::multimap<u64, VirtualFile> files;
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std::string name;
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};
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} // namespace FileSys
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