diff options
Diffstat (limited to '')
-rw-r--r-- | src/common/CMakeLists.txt | 2 | ||||
-rw-r--r-- | src/common/file_util.cpp | 49 | ||||
-rw-r--r-- | src/common/file_util.h | 15 | ||||
-rw-r--r-- | src/common/math_util.h | 3 | ||||
-rw-r--r-- | src/common/uuid.cpp | 33 | ||||
-rw-r--r-- | src/common/uuid.h | 48 |
6 files changed, 107 insertions, 43 deletions
diff --git a/src/common/CMakeLists.txt b/src/common/CMakeLists.txt index 1e8e1b215..cb514a0d2 100644 --- a/src/common/CMakeLists.txt +++ b/src/common/CMakeLists.txt @@ -123,6 +123,8 @@ add_library(common STATIC timer.h uint128.cpp uint128.h + uuid.cpp + uuid.h vector_math.h web_result.h zstd_compression.cpp diff --git a/src/common/file_util.cpp b/src/common/file_util.cpp index aecb66c32..2d9374783 100644 --- a/src/common/file_util.cpp +++ b/src/common/file_util.cpp @@ -78,16 +78,17 @@ namespace FileUtil { // Remove any ending forward slashes from directory paths // Modifies argument. static void StripTailDirSlashes(std::string& fname) { - if (fname.length() > 1) { - std::size_t i = fname.length(); - while (i > 0 && fname[i - 1] == DIR_SEP_CHR) - --i; - fname.resize(i); + if (fname.length() <= 1) { + return; + } + + std::size_t i = fname.length(); + while (i > 0 && fname[i - 1] == DIR_SEP_CHR) { + --i; } - return; + fname.resize(i); } -// Returns true if file filename exists bool Exists(const std::string& filename) { struct stat file_info; @@ -107,7 +108,6 @@ bool Exists(const std::string& filename) { return (result == 0); } -// Returns true if filename is a directory bool IsDirectory(const std::string& filename) { struct stat file_info; @@ -132,8 +132,6 @@ bool IsDirectory(const std::string& filename) { return S_ISDIR(file_info.st_mode); } -// Deletes a given filename, return true on success -// Doesn't supports deleting a directory bool Delete(const std::string& filename) { LOG_TRACE(Common_Filesystem, "file {}", filename); @@ -165,7 +163,6 @@ bool Delete(const std::string& filename) { return true; } -// Returns true if successful, or path already exists. bool CreateDir(const std::string& path) { LOG_TRACE(Common_Filesystem, "directory {}", path); #ifdef _WIN32 @@ -194,7 +191,6 @@ bool CreateDir(const std::string& path) { #endif } -// Creates the full path of fullPath returns true on success bool CreateFullPath(const std::string& fullPath) { int panicCounter = 100; LOG_TRACE(Common_Filesystem, "path {}", fullPath); @@ -230,7 +226,6 @@ bool CreateFullPath(const std::string& fullPath) { } } -// Deletes a directory filename, returns true on success bool DeleteDir(const std::string& filename) { LOG_TRACE(Common_Filesystem, "directory {}", filename); @@ -252,7 +247,6 @@ bool DeleteDir(const std::string& filename) { return false; } -// renames file srcFilename to destFilename, returns true on success bool Rename(const std::string& srcFilename, const std::string& destFilename) { LOG_TRACE(Common_Filesystem, "{} --> {}", srcFilename, destFilename); #ifdef _WIN32 @@ -268,7 +262,6 @@ bool Rename(const std::string& srcFilename, const std::string& destFilename) { return false; } -// copies file srcFilename to destFilename, returns true on success bool Copy(const std::string& srcFilename, const std::string& destFilename) { LOG_TRACE(Common_Filesystem, "{} --> {}", srcFilename, destFilename); #ifdef _WIN32 @@ -324,7 +317,6 @@ bool Copy(const std::string& srcFilename, const std::string& destFilename) { #endif } -// Returns the size of filename (64bit) u64 GetSize(const std::string& filename) { if (!Exists(filename)) { LOG_ERROR(Common_Filesystem, "failed {}: No such file", filename); @@ -351,7 +343,6 @@ u64 GetSize(const std::string& filename) { return 0; } -// Overloaded GetSize, accepts file descriptor u64 GetSize(const int fd) { struct stat buf; if (fstat(fd, &buf) != 0) { @@ -361,7 +352,6 @@ u64 GetSize(const int fd) { return buf.st_size; } -// Overloaded GetSize, accepts FILE* u64 GetSize(FILE* f) { // can't use off_t here because it can be 32-bit u64 pos = ftello(f); @@ -377,7 +367,6 @@ u64 GetSize(FILE* f) { return size; } -// creates an empty file filename, returns true on success bool CreateEmptyFile(const std::string& filename) { LOG_TRACE(Common_Filesystem, "{}", filename); @@ -502,7 +491,6 @@ bool DeleteDirRecursively(const std::string& directory, unsigned int recursion) return true; } -// Create directory and copy contents (does not overwrite existing files) void CopyDir(const std::string& source_path, const std::string& dest_path) { #ifndef _WIN32 if (source_path == dest_path) @@ -539,8 +527,7 @@ void CopyDir(const std::string& source_path, const std::string& dest_path) { #endif } -// Returns the current directory -std::string GetCurrentDir() { +std::optional<std::string> GetCurrentDir() { // Get the current working directory (getcwd uses malloc) #ifdef _WIN32 wchar_t* dir; @@ -550,7 +537,7 @@ std::string GetCurrentDir() { if (!(dir = getcwd(nullptr, 0))) { #endif LOG_ERROR(Common_Filesystem, "GetCurrentDirectory failed: {}", GetLastErrorMsg()); - return nullptr; + return {}; } #ifdef _WIN32 std::string strDir = Common::UTF16ToUTF8(dir); @@ -561,7 +548,6 @@ std::string GetCurrentDir() { return strDir; } -// Sets the current directory to the given directory bool SetCurrentDir(const std::string& directory) { #ifdef _WIN32 return _wchdir(Common::UTF8ToUTF16W(directory).c_str()) == 0; @@ -673,8 +659,6 @@ std::string GetSysDirectory() { return sysDir; } -// Returns a string with a yuzu data dir or file in the user's home -// directory. To be used in "multi-user" mode (that is, installed). const std::string& GetUserPath(UserPath path, const std::string& new_path) { static std::unordered_map<UserPath, std::string> paths; auto& user_path = paths[UserPath::UserDir]; @@ -762,11 +746,11 @@ std::string GetNANDRegistrationDir(bool system) { return GetUserPath(UserPath::NANDDir) + "user/Contents/registered/"; } -std::size_t WriteStringToFile(bool text_file, const std::string& str, const char* filename) { - return FileUtil::IOFile(filename, text_file ? "w" : "wb").WriteBytes(str.data(), str.size()); +std::size_t WriteStringToFile(bool text_file, const std::string& filename, std::string_view str) { + return IOFile(filename, text_file ? "w" : "wb").WriteString(str); } -std::size_t ReadFileToString(bool text_file, const char* filename, std::string& str) { +std::size_t ReadFileToString(bool text_file, const std::string& filename, std::string& str) { IOFile file(filename, text_file ? "r" : "rb"); if (!file.IsOpen()) @@ -776,13 +760,6 @@ std::size_t ReadFileToString(bool text_file, const char* filename, std::string& return file.ReadArray(&str[0], str.size()); } -/** - * Splits the filename into 8.3 format - * Loosely implemented following https://en.wikipedia.org/wiki/8.3_filename - * @param filename The normal filename to use - * @param short_name A 9-char array in which the short name will be written - * @param extension A 4-char array in which the extension will be written - */ void SplitFilename83(const std::string& filename, std::array<char, 9>& short_name, std::array<char, 4>& extension) { const std::string forbidden_characters = ".\"/\\[]:;=, "; diff --git a/src/common/file_util.h b/src/common/file_util.h index 38cc7f059..cde7ddf2d 100644 --- a/src/common/file_util.h +++ b/src/common/file_util.h @@ -9,6 +9,7 @@ #include <fstream> #include <functional> #include <limits> +#include <optional> #include <string> #include <string_view> #include <type_traits> @@ -118,7 +119,7 @@ u64 ScanDirectoryTree(const std::string& directory, FSTEntry& parent_entry, bool DeleteDirRecursively(const std::string& directory, unsigned int recursion = 256); // Returns the current directory -std::string GetCurrentDir(); +std::optional<std::string> GetCurrentDir(); // Create directory and copy contents (does not overwrite existing files) void CopyDir(const std::string& source_path, const std::string& dest_path); @@ -146,9 +147,9 @@ const std::string& GetExeDirectory(); std::string AppDataRoamingDirectory(); #endif -std::size_t WriteStringToFile(bool text_file, const std::string& str, const char* filename); +std::size_t WriteStringToFile(bool text_file, const std::string& filename, std::string_view str); -std::size_t ReadFileToString(bool text_file, const char* filename, std::string& str); +std::size_t ReadFileToString(bool text_file, const std::string& filename, std::string& str); /** * Splits the filename into 8.3 format @@ -257,8 +258,8 @@ public: return WriteArray(&object, 1); } - std::size_t WriteString(const std::string& str) { - return WriteArray(str.c_str(), str.length()); + std::size_t WriteString(std::string_view str) { + return WriteArray(str.data(), str.length()); } bool IsOpen() const { @@ -286,8 +287,8 @@ private: template <typename T> void OpenFStream(T& fstream, const std::string& filename, std::ios_base::openmode openmode) { #ifdef _MSC_VER - fstream.open(Common::UTF8ToUTF16W(filename).c_str(), openmode); + fstream.open(Common::UTF8ToUTF16W(filename), openmode); #else - fstream.open(filename.c_str(), openmode); + fstream.open(filename, openmode); #endif } diff --git a/src/common/math_util.h b/src/common/math_util.h index cff3d48c5..d6c35ee89 100644 --- a/src/common/math_util.h +++ b/src/common/math_util.h @@ -41,4 +41,7 @@ struct Rectangle { } }; +template <typename T> +Rectangle(T, T, T, T)->Rectangle<T>; + } // namespace Common diff --git a/src/common/uuid.cpp b/src/common/uuid.cpp new file mode 100644 index 000000000..26db03fba --- /dev/null +++ b/src/common/uuid.cpp @@ -0,0 +1,33 @@ +// Copyright 2018 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include <random> + +#include <fmt/format.h> + +#include "common/uuid.h" + +namespace Common { + +UUID UUID::Generate() { + std::random_device device; + std::mt19937 gen(device()); + std::uniform_int_distribution<u64> distribution(1, std::numeric_limits<u64>::max()); + return UUID{distribution(gen), distribution(gen)}; +} + +std::string UUID::Format() const { + return fmt::format("0x{:016X}{:016X}", uuid[1], uuid[0]); +} + +std::string UUID::FormatSwitch() const { + std::array<u8, 16> s{}; + std::memcpy(s.data(), uuid.data(), sizeof(u128)); + return fmt::format("{:02x}{:02x}{:02x}{:02x}-{:02x}{:02x}-{:02x}{:02x}-{:02x}{:02x}-{:02x}{" + ":02x}{:02x}{:02x}{:02x}{:02x}", + s[0], s[1], s[2], s[3], s[4], s[5], s[6], s[7], s[8], s[9], s[10], s[11], + s[12], s[13], s[14], s[15]); +} + +} // namespace Common diff --git a/src/common/uuid.h b/src/common/uuid.h new file mode 100644 index 000000000..f6ad064fb --- /dev/null +++ b/src/common/uuid.h @@ -0,0 +1,48 @@ +// Copyright 2018 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include <string> + +#include "common/common_types.h" + +namespace Common { + +constexpr u128 INVALID_UUID{{0, 0}}; + +struct UUID { + // UUIDs which are 0 are considered invalid! + u128 uuid = INVALID_UUID; + constexpr UUID() = default; + constexpr explicit UUID(const u128& id) : uuid{id} {} + constexpr explicit UUID(const u64 lo, const u64 hi) : uuid{{lo, hi}} {} + + constexpr explicit operator bool() const { + return uuid[0] != INVALID_UUID[0] && uuid[1] != INVALID_UUID[1]; + } + + constexpr bool operator==(const UUID& rhs) const { + // TODO(DarkLordZach): Replace with uuid == rhs.uuid with C++20 + return uuid[0] == rhs.uuid[0] && uuid[1] == rhs.uuid[1]; + } + + constexpr bool operator!=(const UUID& rhs) const { + return !operator==(rhs); + } + + // TODO(ogniK): Properly generate uuids based on RFC-4122 + static UUID Generate(); + + // Set the UUID to {0,0} to be considered an invalid user + constexpr void Invalidate() { + uuid = INVALID_UUID; + } + + std::string Format() const; + std::string FormatSwitch() const; +}; +static_assert(sizeof(UUID) == 16, "UUID is an invalid size!"); + +} // namespace Common |