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https://github.com/DarkStore-3DS/Project_CTR.git
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jakcron
124 lines
3.7 KiB
C++
124 lines
3.7 KiB
C++
/**
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* @file IFileSystem.h
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* @brief Declaration of tc::io::IFileSystem
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* @author Jack (jakcron)
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* @version 0.6
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* @date 2019/06/18
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**/
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#pragma once
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#include <tc/types.h>
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#include <tc/ResourceStatus.h>
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#include <tc/io/IStream.h>
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#include <tc/io/Path.h>
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#include <tc/io/FileMode.h>
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#include <tc/io/FileAccess.h>
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namespace tc { namespace io {
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/**
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* @struct sDirectoryListing
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* @brief Contains basic info about a directory with-in a FileSystem
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*
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* The includes the absolute path of the directory, and lists of child directory and file names.
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*
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* @note All strings are UTF-8
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**/
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struct sDirectoryListing
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{
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/// Absolute Path
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tc::io::Path abs_path;
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/// List of child directory names
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std::vector<std::string> dir_list;
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/// List of child file names
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std::vector<std::string> file_list;
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};
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/**
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* @class IFileSystem
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*
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* @brief An interface for implementing a basic FileSystem handler.
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*
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* Defines expected functionality including:
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* - File access (open)
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* - File management (create, remove)
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* - Directory traversal (get current directory, change current directory)
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* - Directory management (create, remove)
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* - Directory listing
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*
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* @note IFileSystem uses the tc::io::Path class to represent a path, not as a literal string.
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* @note It is up to the implementation of IFileSystem to validate and process tc::io::Path objects.
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* @note It is up to the implementation to enforce tc::io::FileMode & tc::io::FileAccess.
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**/
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class IFileSystem
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{
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public:
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/**
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* @brief Destructor
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**/
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virtual ~IFileSystem() = default;
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/**
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* @brief Get state of IFileSystem
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* @return ResourceStatus
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**/
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virtual tc::ResourceStatus state() = 0;
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/**
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* @brief Close the filesystem
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**/
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virtual void dispose() = 0;
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/**
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* @brief Create a new file
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* @param[in] path A relative or absolute path to file.
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**/
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virtual void createFile(const tc::io::Path& path) = 0;
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/**
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* @brief Remove a file
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* @param[in] path A relative or absolute path to file.
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**/
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virtual void removeFile(const tc::io::Path& path) = 0;
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/**
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* @brief Open a file
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* @param[in] path A relative or absolute path to file.
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* @param[in] mode One of the enumeration values that determines how to open or create the file.
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* @param[in] access One of the enumeration values that determines how the file can be accessed by the @ref IStream object. This also determines the values returned by the @ref IStream::canRead and @ref IStream::canWrite methods of the IStream object. @ref IStream::canSeek is true if path specifies a disk file.
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* @param[out] stream Pointer to IStream object to be instantiated
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**/
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virtual void openFile(const tc::io::Path& path, tc::io::FileMode mode, tc::io::FileAccess access, std::shared_ptr<tc::io::IStream>& stream) = 0;
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/**
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* @brief Create a new directory
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* @param[in] path A relative or absolute path to directory.
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**/
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virtual void createDirectory(const tc::io::Path& path) = 0;
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/**
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* @brief Remove a directory
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* @param[in] path A relative or absolute path to directory.
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**/
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virtual void removeDirectory(const tc::io::Path& path) = 0;
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/**
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* @brief Get the full path of the working directory
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* @param[out] path Path object to populate
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**/
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virtual void getWorkingDirectory(tc::io::Path& path) = 0;
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/**
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* @brief Change the working directory
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* @param[in] path A relative or absolute path to directory.
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**/
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virtual void setWorkingDirectory(const tc::io::Path& path) = 0;
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/**
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* @brief Get directory listing a directory
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* @param[in] path A relative or absolute path to directory.
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* @param[out] info sDirectoryListing object to populate
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**/
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virtual void getDirectoryListing(const tc::io::Path& path, tc::io::sDirectoryListing& info) = 0;
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};
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}} // namespace tc::io
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