mirror of
https://github.com/RetroDECK/Duckstation.git
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152 lines
4.9 KiB
C++
152 lines
4.9 KiB
C++
#pragma once
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#include "types.h"
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#include <cstdio>
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#include <ctime>
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#include <memory>
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#include <optional>
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#include <string>
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#include <sys/stat.h>
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#include <vector>
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#ifdef _WIN32
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#define FS_OSPATH_SEPARATOR_CHARACTER '\\'
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#define FS_OSPATH_SEPARATOR_STR "\\"
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#else
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#define FS_OSPATH_SEPARATOR_CHARACTER '/'
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#define FS_OSPATH_SEPARATOR_STR "/"
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#endif
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enum FILESYSTEM_FILE_ATTRIBUTES
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{
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FILESYSTEM_FILE_ATTRIBUTE_DIRECTORY = 1,
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FILESYSTEM_FILE_ATTRIBUTE_READ_ONLY = 2,
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FILESYSTEM_FILE_ATTRIBUTE_COMPRESSED = 4,
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};
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enum FILESYSTEM_FIND_FLAGS
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{
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FILESYSTEM_FIND_RECURSIVE = (1 << 0),
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FILESYSTEM_FIND_RELATIVE_PATHS = (1 << 1),
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FILESYSTEM_FIND_HIDDEN_FILES = (1 << 2),
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FILESYSTEM_FIND_FOLDERS = (1 << 3),
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FILESYSTEM_FIND_FILES = (1 << 4),
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FILESYSTEM_FIND_KEEP_ARRAY = (1 << 5),
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};
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struct FILESYSTEM_STAT_DATA
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{
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std::time_t CreationTime; // actually inode change time on linux
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std::time_t ModificationTime;
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s64 Size;
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u32 Attributes;
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};
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struct FILESYSTEM_FIND_DATA
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{
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std::time_t CreationTime; // actually inode change time on linux
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std::time_t ModificationTime;
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std::string FileName;
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s64 Size;
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u32 Attributes;
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};
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namespace FileSystem {
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using FindResultsArray = std::vector<FILESYSTEM_FIND_DATA>;
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/// Returns the display name of a filename. Usually this is the same as the path.
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std::string GetDisplayNameFromPath(const std::string_view& path);
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/// Returns a list of "root directories" (i.e. root/home directories on Linux, drive letters on Windows).
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std::vector<std::string> GetRootDirectoryList();
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/// Search for files
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bool FindFiles(const char* path, const char* pattern, u32 flags, FindResultsArray* results);
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/// Stat file
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bool StatFile(const char* path, struct stat* st);
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bool StatFile(std::FILE* fp, struct stat* st);
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bool StatFile(const char* path, FILESYSTEM_STAT_DATA* pStatData);
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bool StatFile(std::FILE* fp, FILESYSTEM_STAT_DATA* pStatData);
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s64 GetPathFileSize(const char* path);
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/// File exists?
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bool FileExists(const char* path);
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/// Directory exists?
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bool DirectoryExists(const char* path);
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/// Directory does not contain any files?
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bool DirectoryIsEmpty(const char* path);
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/// Delete file
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bool DeleteFile(const char* path);
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/// Rename file
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bool RenamePath(const char* OldPath, const char* NewPath);
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/// open files
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using ManagedCFilePtr = std::unique_ptr<std::FILE, void (*)(std::FILE*)>;
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ManagedCFilePtr OpenManagedCFile(const char* filename, const char* mode);
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std::FILE* OpenCFile(const char* filename, const char* mode);
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int FSeek64(std::FILE* fp, s64 offset, int whence);
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s64 FTell64(std::FILE* fp);
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s64 FSize64(std::FILE* fp);
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int OpenFDFile(const char* filename, int flags, int mode);
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/// Sharing modes for OpenSharedCFile().
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enum class FileShareMode
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{
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DenyReadWrite, /// Exclusive access.
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DenyWrite, /// Other processes can read from this file.
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DenyRead, /// Other processes can write to this file.
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DenyNone, /// Other processes can read and write to this file.
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};
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/// Opens a file in shareable mode (where other processes can access it concurrently).
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/// Only has an effect on Windows systems.
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ManagedCFilePtr OpenManagedSharedCFile(const char* filename, const char* mode, FileShareMode share_mode);
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std::FILE* OpenSharedCFile(const char* filename, const char* mode, FileShareMode share_mode);
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std::optional<std::vector<u8>> ReadBinaryFile(const char* filename);
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std::optional<std::vector<u8>> ReadBinaryFile(std::FILE* fp);
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std::optional<std::string> ReadFileToString(const char* filename);
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std::optional<std::string> ReadFileToString(std::FILE* fp);
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bool WriteBinaryFile(const char* filename, const void* data, size_t data_length);
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bool WriteStringToFile(const char* filename, const std::string_view& sv);
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/// creates a directory in the local filesystem
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/// if the directory already exists, the return value will be true.
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/// if Recursive is specified, all parent directories will be created
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/// if they do not exist.
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bool CreateDirectory(const char* path, bool recursive);
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/// Creates a directory if it doesn't already exist.
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/// Returns false if it does not exist and creation failed.
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bool EnsureDirectoryExists(const char* path, bool recursive);
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/// Removes a directory.
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bool DeleteDirectory(const char* path);
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/// Recursively removes a directory and all subdirectories/files.
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bool RecursiveDeleteDirectory(const char* path);
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/// Copies one file to another, optionally replacing it if it already exists.
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bool CopyFilePath(const char* source, const char* destination, bool replace);
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/// Returns the path to the current executable.
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std::string GetProgramPath();
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/// Retrieves the current working directory.
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std::string GetWorkingDirectory();
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/// Sets the current working directory. Returns true if successful.
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bool SetWorkingDirectory(const char* path);
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/// Enables/disables NTFS compression on a file or directory.
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/// Does not apply the compression flag recursively if called for a directory.
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/// Does nothing and returns false on non-Windows platforms.
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bool SetPathCompression(const char* path, bool enable);
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}; // namespace FileSystem
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