83e6e4ffec
- Refactor FS::Archive internals to make Archive creation and lifetime management clearer. - Remove the "Archive as a File" hack. - Implement 64-bit Archive handles.
72 lines
1.9 KiB
C++
72 lines
1.9 KiB
C++
// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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#pragma once
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#include "common/common_types.h"
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#include "core/file_sys/file_backend.h"
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#include "core/loader/loader.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// FileSys namespace
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namespace FileSys {
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class Archive_RomFS;
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class File_RomFS final : public FileBackend {
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public:
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File_RomFS(const Archive_RomFS* archive) : archive(archive) {}
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/**
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* Open the file
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* @return true if the file opened correctly
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*/
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bool Open() override;
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/**
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* Read data from the file
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* @param offset Offset in bytes to start reading data from
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* @param length Length in bytes of data to read from file
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* @param buffer Buffer to read data into
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* @return Number of bytes read
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*/
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size_t Read(const u64 offset, const u32 length, u8* buffer) const override;
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/**
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* Write data to the file
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* @param offset Offset in bytes to start writing data to
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* @param length Length in bytes of data to write to file
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* @param flush The flush parameters (0 == do not flush)
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* @param buffer Buffer to read data from
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* @return Number of bytes written
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*/
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size_t Write(const u64 offset, const u32 length, const u32 flush, const u8* buffer) const override;
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/**
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* Get the size of the file in bytes
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* @return Size of the file in bytes
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*/
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size_t GetSize() const override;
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/**
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* Set the size of the file in bytes
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* @param size New size of the file
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* @return true if successful
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*/
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bool SetSize(const u64 size) const override;
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/**
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* Close the file
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* @return true if the file closed correctly
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*/
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bool Close() const override;
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private:
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const Archive_RomFS* archive;
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};
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} // namespace FileSys
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