113 lines
3.5 KiB
C++
113 lines
3.5 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 <vector>
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#include "common/common_types.h"
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#include "core/file_sys/archive_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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/// File system interface to the RomFS archive
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class Archive_RomFS final : public ArchiveBackend {
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public:
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Archive_RomFS(const Loader::AppLoader& app_loader);
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~Archive_RomFS() override;
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std::string GetName() const override { return "RomFS"; }
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/**
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* Open a file specified by its path, using the specified mode
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* @param path Path relative to the archive
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* @param mode Mode to open the file with
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* @return Opened file, or nullptr
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*/
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std::unique_ptr<File> OpenFile(const Path& path, const Mode mode) const override;
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/**
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* Delete a file specified by its path
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* @param path Path relative to the archive
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* @return Whether the file could be deleted
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*/
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bool DeleteFile(const FileSys::Path& path) const override;
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/**
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* Rename a File specified by its path
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* @param src_path Source path relative to the archive
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* @param dest_path Destination path relative to the archive
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* @return Whether rename succeeded
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*/
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bool RenameFile(const FileSys::Path& src_path, const FileSys::Path& dest_path) const override;
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/**
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* Delete a directory specified by its path
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* @param path Path relative to the archive
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* @return Whether the directory could be deleted
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*/
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bool DeleteDirectory(const FileSys::Path& path) const override;
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/**
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* Create a directory specified by its path
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* @param path Path relative to the archive
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* @return Whether the directory could be created
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*/
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bool CreateDirectory(const Path& path) const override;
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/**
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* Rename a Directory specified by its path
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* @param src_path Source path relative to the archive
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* @param dest_path Destination path relative to the archive
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* @return Whether rename succeeded
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*/
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bool RenameDirectory(const FileSys::Path& src_path, const FileSys::Path& dest_path) const override;
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/**
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* Open a directory specified by its path
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* @param path Path relative to the archive
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* @return Opened directory, or nullptr
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*/
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std::unique_ptr<DirectoryBackend> OpenDirectory(const Path& path) const override;
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/**
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* Read data from the archive
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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 archive
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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 archive
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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 archive
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* @param buffer Buffer to write data from
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* @param flush The flush parameters (0 == do not flush)
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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, u8* buffer) override;
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/**
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* Get the size of the archive in bytes
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* @return Size of the archive 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 archive in bytes
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*/
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void SetSize(const u64 size) override;
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private:
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std::vector<u8> raw_data;
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};
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} // namespace FileSys
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