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dolphin/Source/Core/Common/FileUtil.cpp

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// Copyright 2008 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "Common/FileUtil.h"
#include <algorithm>
#include <chrono>
#include <cstddef>
#include <cstdio>
#include <cstring>
#include <fcntl.h>
#include <fstream>
#include <limits.h>
#include <string>
#include <sys/stat.h>
#include <thread>
#include <vector>
#include "Common/Assert.h"
#include "Common/Common.h"
#include "Common/CommonFuncs.h"
#include "Common/CommonPaths.h"
#include "Common/CommonTypes.h"
#ifdef __APPLE__
#include "Common/DynamicLibrary.h"
#endif
#include "Common/IOFile.h"
#include "Common/Logging/Log.h"
#include "Common/StringUtil.h"
#ifdef _WIN32
#include <windows.h>
#include <Shlwapi.h>
#include <commdlg.h> // for GetSaveFileName
#include <direct.h> // getcwd
#include <io.h>
#include <objbase.h> // guid stuff
#include <shellapi.h>
#else
#include <dirent.h>
#include <errno.h>
#include <libgen.h>
#include <stdlib.h>
#include <unistd.h>
#endif
#if defined(__APPLE__)
#include <CoreFoundation/CFBundle.h>
#include <CoreFoundation/CFString.h>
#include <CoreFoundation/CFURL.h>
#include <mach-o/dyld.h>
#include <sys/param.h>
#endif
#ifdef ANDROID
#include "Common/StringUtil.h"
#include "jni/AndroidCommon/AndroidCommon.h"
#endif
#ifndef S_ISDIR
#define S_ISDIR(m) (((m)&S_IFMT) == S_IFDIR)
#endif
// This namespace has various generic functions related to files and paths.
// The code still needs a ton of cleanup.
// REMEMBER: strdup considered harmful!
namespace File
{
#ifdef ANDROID
static std::string s_android_sys_directory;
#endif
#ifdef __APPLE__
static Common::DynamicLibrary s_security_framework;
using DolSecTranslocateIsTranslocatedURL = Boolean (*)(CFURLRef path, bool* isTranslocated,
CFErrorRef* __nullable error);
using DolSecTranslocateCreateOriginalPathForURL = CFURLRef
__nullable (*)(CFURLRef translocatedPath, CFErrorRef* __nullable error);
static DolSecTranslocateIsTranslocatedURL s_is_translocated_url;
static DolSecTranslocateCreateOriginalPathForURL s_create_orig_path;
#endif
#ifdef _WIN32
FileInfo::FileInfo(const std::string& path)
{
m_exists = _tstat64(UTF8ToTStr(path).c_str(), &m_stat) == 0;
}
FileInfo::FileInfo(const char* path) : FileInfo(std::string(path))
{
}
#else
FileInfo::FileInfo(const std::string& path) : FileInfo(path.c_str())
{
}
FileInfo::FileInfo(const char* path)
{
#ifdef ANDROID
if (IsPathAndroidContent(path))
AndroidContentInit(path);
else
#endif
m_exists = stat(path, &m_stat) == 0;
}
#endif
FileInfo::FileInfo(int fd)
{
m_exists = fstat(fd, &m_stat) == 0;
}
#ifdef ANDROID
void FileInfo::AndroidContentInit(const std::string& path)
{
const jlong result = GetAndroidContentSizeAndIsDirectory(path);
m_exists = result != -1;
m_stat.st_mode = result == -2 ? S_IFDIR : S_IFREG;
m_stat.st_size = result >= 0 ? result : 0;
}
#endif
bool FileInfo::Exists() const
{
return m_exists;
}
bool FileInfo::IsDirectory() const
{
return m_exists ? S_ISDIR(m_stat.st_mode) : false;
}
bool FileInfo::IsFile() const
{
return m_exists ? !S_ISDIR(m_stat.st_mode) : false;
}
u64 FileInfo::GetSize() const
{
return IsFile() ? m_stat.st_size : 0;
}
// Returns true if the path exists
bool Exists(const std::string& path)
{
return FileInfo(path).Exists();
}
// Returns true if the path exists and is a directory
bool IsDirectory(const std::string& path)
{
#ifdef _WIN32
return PathIsDirectory(UTF8ToWString(path).c_str());
#else
return FileInfo(path).IsDirectory();
#endif
}
// Returns true if the path exists and is a file
bool IsFile(const std::string& path)
{
return FileInfo(path).IsFile();
}
// Deletes a given filename, return true on success
// Doesn't supports deleting a directory
bool Delete(const std::string& filename, IfAbsentBehavior behavior)
{
DEBUG_LOG_FMT(COMMON, "Delete: file {}", filename);
#ifdef ANDROID
if (StringBeginsWith(filename, "content://"))
{
const bool success = DeleteAndroidContent(filename);
if (!success)
WARN_LOG_FMT(COMMON, "Delete failed on {}", filename);
return success;
}
#endif
const FileInfo file_info(filename);
// Return true because we care about the file not being there, not the actual delete.
if (!file_info.Exists())
{
if (behavior == IfAbsentBehavior::ConsoleWarning)
{
WARN_LOG_FMT(COMMON, "Delete: {} does not exist", filename);
}
return true;
}
// We can't delete a directory
if (file_info.IsDirectory())
{
WARN_LOG_FMT(COMMON, "Delete failed: {} is a directory", filename);
return false;
}
#ifdef _WIN32
if (!DeleteFile(UTF8ToTStr(filename).c_str()))
{
WARN_LOG_FMT(COMMON, "Delete: DeleteFile failed on {}: {}", filename, GetLastErrorString());
return false;
}
#else
if (unlink(filename.c_str()) == -1)
{
WARN_LOG_FMT(COMMON, "Delete: unlink failed on {}: {}", filename, LastStrerrorString());
return false;
}
#endif
return true;
}
// Returns true if successful, or path already exists.
bool CreateDir(const std::string& path)
{
DEBUG_LOG_FMT(COMMON, "CreateDir: directory {}", path);
#ifdef _WIN32
if (::CreateDirectory(UTF8ToTStr(path).c_str(), nullptr))
return true;
const DWORD error = GetLastError();
if (error == ERROR_ALREADY_EXISTS)
{
WARN_LOG_FMT(COMMON, "CreateDir: CreateDirectory failed on {}: already exists", path);
return true;
}
ERROR_LOG_FMT(COMMON, "CreateDir: CreateDirectory failed on {}: {}", path, error);
return false;
#else
if (mkdir(path.c_str(), 0755) == 0)
return true;
const int err = errno;
if (err == EEXIST)
{
WARN_LOG_FMT(COMMON, "CreateDir: mkdir failed on {}: already exists", path);
return true;
}
ERROR_LOG_FMT(COMMON, "CreateDir: mkdir failed on {}: {}", path, strerror(err));
return false;
#endif
}
// Creates the full path of fullPath returns true on success
bool CreateFullPath(const std::string& fullPath)
{
int panicCounter = 100;
DEBUG_LOG_FMT(COMMON, "CreateFullPath: path {}", fullPath);
if (Exists(fullPath))
{
DEBUG_LOG_FMT(COMMON, "CreateFullPath: path exists {}", fullPath);
return true;
}
size_t position = 0;
while (true)
{
// Find next sub path
position = fullPath.find(DIR_SEP_CHR, position);
// we're done, yay!
if (position == fullPath.npos)
return true;
// Include the '/' so the first call is CreateDir("/") rather than CreateDir("")
std::string const subPath(fullPath.substr(0, position + 1));
if (!IsDirectory(subPath))
File::CreateDir(subPath);
// A safety check
panicCounter--;
if (panicCounter <= 0)
{
ERROR_LOG_FMT(COMMON, "CreateFullPath: directory structure is too deep");
return false;
}
position++;
}
}
// Deletes a directory filename, returns true on success
bool DeleteDir(const std::string& filename, IfAbsentBehavior behavior)
{
DEBUG_LOG_FMT(COMMON, "DeleteDir: directory {}", filename);
// Return true because we care about the directory not being there, not the actual delete.
if (!File::Exists(filename))
{
if (behavior == IfAbsentBehavior::ConsoleWarning)
{
WARN_LOG_FMT(COMMON, "DeleteDir: {} does not exist", filename);
}
return true;
}
// check if a directory
if (!IsDirectory(filename))
{
ERROR_LOG_FMT(COMMON, "DeleteDir: Not a directory {}", filename);
return false;
}
#ifdef _WIN32
if (::RemoveDirectory(UTF8ToTStr(filename).c_str()))
return true;
ERROR_LOG_FMT(COMMON, "DeleteDir: RemoveDirectory failed on {}: {}", filename,
GetLastErrorString());
#else
if (rmdir(filename.c_str()) == 0)
return true;
ERROR_LOG_FMT(COMMON, "DeleteDir: rmdir failed on {}: {}", filename, LastStrerrorString());
#endif
return false;
}
// Repeatedly invokes func until it returns true or max_attempts failures.
// Waits after each failure, with each delay doubling in length.
template <typename FuncType>
static bool AttemptMaxTimesWithExponentialDelay(int max_attempts, std::chrono::milliseconds delay,
std::string_view func_name, const FuncType& func)
{
for (int failed_attempts = 0; failed_attempts < max_attempts; ++failed_attempts)
{
if (func())
{
return true;
}
if (failed_attempts + 1 < max_attempts)
{
INFO_LOG_FMT(COMMON, "{} attempt failed, delaying for {} milliseconds", func_name,
delay.count());
std::this_thread::sleep_for(delay);
delay *= 2;
}
}
return false;
}
// renames file srcFilename to destFilename, returns true on success
bool Rename(const std::string& srcFilename, const std::string& destFilename)
{
DEBUG_LOG_FMT(COMMON, "Rename: {} --> {}", srcFilename, destFilename);
#ifdef _WIN32
const std::wstring source_wstring = UTF8ToTStr(srcFilename);
const std::wstring destination_wstring = UTF8ToTStr(destFilename);
// On Windows ReplaceFile can fail spuriously due to antivirus checking or other noise.
// Retry the operation with increasing delays, and if none of them work there's probably a
// persistent problem.
const bool success = AttemptMaxTimesWithExponentialDelay(
3, std::chrono::milliseconds(5), fmt::format("Rename {} --> {}", srcFilename, destFilename),
[&source_wstring, &destination_wstring] {
if (ReplaceFile(destination_wstring.c_str(), source_wstring.c_str(), nullptr,
REPLACEFILE_IGNORE_MERGE_ERRORS, nullptr, nullptr))
{
return true;
}
// Might have failed because the destination doesn't exist.
if (GetLastError() == ERROR_FILE_NOT_FOUND)
{
return MoveFile(source_wstring.c_str(), destination_wstring.c_str()) != 0;
}
return false;
});
constexpr auto error_string_func = GetLastErrorString;
#else
const bool success = rename(srcFilename.c_str(), destFilename.c_str()) == 0;
constexpr auto error_string_func = LastStrerrorString;
#endif
if (!success)
{
ERROR_LOG_FMT(COMMON, "Rename: rename failed on {} --> {}: {}", srcFilename, destFilename,
error_string_func());
}
return success;
}
#ifndef _WIN32
static void FSyncPath(const char* path)
{
int fd = open(path, O_RDONLY);
if (fd != -1)
{
fsync(fd);
close(fd);
}
}
#endif
bool RenameSync(const std::string& srcFilename, const std::string& destFilename)
{
if (!Rename(srcFilename, destFilename))
return false;
#ifdef _WIN32
int fd = _topen(UTF8ToTStr(srcFilename).c_str(), _O_RDONLY);
if (fd != -1)
{
_commit(fd);
close(fd);
}
#else
char* path = strdup(srcFilename.c_str());
FSyncPath(path);
FSyncPath(dirname(path));
free(path);
path = strdup(destFilename.c_str());
FSyncPath(dirname(path));
free(path);
#endif
return true;
}
// copies file source_path to destination_path, returns true on success
bool Copy(const std::string& source_path, const std::string& destination_path)
{
DEBUG_LOG_FMT(COMMON, "Copy: {} --> {}", source_path, destination_path);
#ifdef _WIN32
if (CopyFile(UTF8ToTStr(source_path).c_str(), UTF8ToTStr(destination_path).c_str(), FALSE))
return true;
ERROR_LOG_FMT(COMMON, "Copy: failed {} --> {}: {}", source_path, destination_path,
GetLastErrorString());
return false;
#else
std::ifstream source{source_path, std::ios::binary};
std::ofstream destination{destination_path, std::ios::binary};
destination << source.rdbuf();
return source.good() && destination.good();
#endif
}
// Returns the size of a file (or returns 0 if the path isn't a file that exists)
u64 GetSize(const std::string& path)
{
return FileInfo(path).GetSize();
}
// Overloaded GetSize, accepts file descriptor
u64 GetSize(const int fd)
{
return FileInfo(fd).GetSize();
}
// Overloaded GetSize, accepts FILE*
u64 GetSize(FILE* f)
{
// can't use off_t here because it can be 32-bit
const u64 pos = ftello(f);
if (fseeko(f, 0, SEEK_END) != 0)
{
ERROR_LOG_FMT(COMMON, "GetSize: seek failed {}: {}", fmt::ptr(f), LastStrerrorString());
return 0;
}
const u64 size = ftello(f);
if ((size != pos) && (fseeko(f, pos, SEEK_SET) != 0))
{
ERROR_LOG_FMT(COMMON, "GetSize: seek failed {}: {}", fmt::ptr(f), LastStrerrorString());
return 0;
}
return size;
}
// creates an empty file filename, returns true on success
bool CreateEmptyFile(const std::string& filename)
{
DEBUG_LOG_FMT(COMMON, "CreateEmptyFile: {}", filename);
if (!File::IOFile(filename, "wb"))
{
ERROR_LOG_FMT(COMMON, "CreateEmptyFile: failed {}: {}", filename, LastStrerrorString());
return false;
}
return true;
}
// Recursive or non-recursive list of files and directories under directory.
FSTEntry ScanDirectoryTree(std::string directory, bool recursive)
{
#ifdef _WIN32
if (!directory.empty() && (directory.back() == '/' || directory.back() == '\\'))
directory.pop_back();
#else
if (!directory.empty() && directory.back() == '/')
directory.pop_back();
#endif
DEBUG_LOG_FMT(COMMON, "ScanDirectoryTree: directory {}", directory);
FSTEntry parent_entry;
parent_entry.physicalName = directory;
parent_entry.isDirectory = true;
parent_entry.size = 0;
#ifdef _WIN32
// Find the first file in the directory.
WIN32_FIND_DATA ffd;
HANDLE hFind = FindFirstFile(UTF8ToTStr(directory + "\\*").c_str(), &ffd);
if (hFind == INVALID_HANDLE_VALUE)
{
FindClose(hFind);
return parent_entry;
}
// Windows loop
do
{
const std::string virtual_name(TStrToUTF8(ffd.cFileName));
#else
DIR* dirp = nullptr;
#ifdef ANDROID
std::vector<std::string> child_names;
if (IsPathAndroidContent(directory))
{
child_names = GetAndroidContentChildNames(directory);
}
else
#endif
{
dirp = opendir(directory.c_str());
if (!dirp)
return parent_entry;
}
#ifdef ANDROID
auto it = child_names.cbegin();
#endif
// non Windows loop
while (true)
{
std::string virtual_name;
#ifdef ANDROID
if (!dirp)
{
if (it == child_names.cend())
break;
virtual_name = *it;
++it;
}
else
#endif
{
dirent* result = readdir(dirp);
if (!result)
break;
virtual_name = result->d_name;
}
#endif
if (virtual_name == "." || virtual_name == "..")
continue;
auto physical_name = directory + DIR_SEP + virtual_name;
FSTEntry entry;
const FileInfo file_info(physical_name);
entry.isDirectory = file_info.IsDirectory();
if (entry.isDirectory)
{
if (recursive)
entry = ScanDirectoryTree(physical_name, true);
else
entry.size = 0;
parent_entry.size += entry.size;
}
else
{
entry.size = file_info.GetSize();
}
entry.virtualName = virtual_name;
entry.physicalName = physical_name;
++parent_entry.size;
// Push into the tree
parent_entry.children.push_back(entry);
#ifdef _WIN32
} while (FindNextFile(hFind, &ffd) != 0);
FindClose(hFind);
#else
}
if (dirp)
closedir(dirp);
#endif
return parent_entry;
}
// Deletes the given directory and anything under it. Returns true on success.
bool DeleteDirRecursively(const std::string& directory)
{
DEBUG_LOG_FMT(COMMON, "DeleteDirRecursively: {}", directory);
bool success = true;
#ifdef _WIN32
// Find the first file in the directory.
WIN32_FIND_DATA ffd;
HANDLE hFind = FindFirstFile(UTF8ToTStr(directory + "\\*").c_str(), &ffd);
if (hFind == INVALID_HANDLE_VALUE)
{
FindClose(hFind);
return false;
}
// Windows loop
do
{
const std::string virtualName(TStrToUTF8(ffd.cFileName));
#else
DIR* dirp = opendir(directory.c_str());
if (!dirp)
return false;
// non Windows loop
while (dirent* result = readdir(dirp))
{
const std::string virtualName = result->d_name;
#endif
// check for "." and ".."
if (((virtualName[0] == '.') && (virtualName[1] == '\0')) ||
((virtualName[0] == '.') && (virtualName[1] == '.') && (virtualName[2] == '\0')))
continue;
std::string newPath = directory + DIR_SEP_CHR + virtualName;
if (IsDirectory(newPath))
{
if (!DeleteDirRecursively(newPath))
{
success = false;
break;
}
}
else
{
if (!File::Delete(newPath))
{
success = false;
break;
}
}
#ifdef _WIN32
} while (FindNextFile(hFind, &ffd) != 0);
FindClose(hFind);
#else
}
closedir(dirp);
#endif
if (success)
File::DeleteDir(directory);
return success;
}
// Create directory and copy contents (does not overwrite existing files)
void CopyDir(const std::string& source_path, const std::string& dest_path, bool destructive)
{
if (source_path == dest_path)
return;
if (!Exists(source_path))
return;
if (!Exists(dest_path))
File::CreateFullPath(dest_path);
#ifdef _WIN32
WIN32_FIND_DATA ffd;
HANDLE hFind = FindFirstFile(UTF8ToTStr(source_path + "\\*").c_str(), &ffd);
if (hFind == INVALID_HANDLE_VALUE)
{
FindClose(hFind);
return;
}
do
{
const std::string virtualName(TStrToUTF8(ffd.cFileName));
#else
DIR* dirp = opendir(source_path.c_str());
if (!dirp)
return;
while (dirent* result = readdir(dirp))
{
const std::string virtualName(result->d_name);
#endif
// check for "." and ".."
if (virtualName == "." || virtualName == "..")
continue;
std::string source = source_path + DIR_SEP + virtualName;
std::string dest = dest_path + DIR_SEP + virtualName;
if (IsDirectory(source))
{
if (!Exists(dest))
File::CreateFullPath(dest + DIR_SEP);
CopyDir(source, dest, destructive);
}
else if (!destructive && !Exists(dest))
{
Copy(source, dest);
}
else if (destructive)
{
Rename(source, dest);
}
#ifdef _WIN32
} while (FindNextFile(hFind, &ffd) != 0);
FindClose(hFind);
#else
}
closedir(dirp);
#endif
}
// Returns the current directory
std::string GetCurrentDir()
{
// Get the current working directory (getcwd uses malloc)
char* dir = __getcwd(nullptr, 0);
if (!dir)
{
ERROR_LOG_FMT(COMMON, "GetCurrentDirectory failed: {}", LastStrerrorString());
return "";
}
std::string strDir = dir;
free(dir);
return strDir;
}
// Sets the current directory to the given directory
bool SetCurrentDir(const std::string& directory)
{
return __chdir(directory.c_str()) == 0;
}
std::string CreateTempDir()
{
#ifdef _WIN32
TCHAR temp[MAX_PATH];
if (!GetTempPath(MAX_PATH, temp))
return "";
GUID guid;
if (FAILED(CoCreateGuid(&guid)))
{
return "";
}
OLECHAR tguid[40]{};
if (!StringFromGUID2(guid, tguid, _countof(tguid)))
{
return "";
}
std::string dir = TStrToUTF8(temp) + "/" + TStrToUTF8(tguid);
if (!CreateDir(dir))
return "";
dir = ReplaceAll(dir, "\\", DIR_SEP);
return dir;
#else
const char* base = getenv("TMPDIR") ?: "/tmp";
std::string path = std::string(base) + "/DolphinWii.XXXXXX";
if (!mkdtemp(&path[0]))
return "";
return path;
#endif
}
std::string GetTempFilenameForAtomicWrite(std::string path)
{
#ifdef _WIN32
std::unique_ptr<TCHAR[], decltype(&std::free)> absbuf{
_tfullpath(nullptr, UTF8ToTStr(path).c_str(), 0), std::free};
if (absbuf != nullptr)
{
path = TStrToUTF8(absbuf.get());
}
#else
char absbuf[PATH_MAX];
if (realpath(path.c_str(), absbuf) != nullptr)
path = absbuf;
#endif
return std::move(path) + ".xxx";
}
#if defined(__APPLE__)
std::string GetBundleDirectory()
{
CFURLRef bundle_ref = CFBundleCopyBundleURL(CFBundleGetMainBundle());
// Starting in macOS Sierra, apps downloaded from the Internet may be
// "translocated" to a read-only DMG and executed from there. This is
// done to prevent a scenario where an attacker can replace a trusted
// app's resources to load untrusted code.
//
// We should return Dolphin's actual location on the filesystem in
// this function, so bundle_ref will be untranslocated if necessary.
//
// More information: https://objective-see.com/blog/blog_0x15.html
// The APIs to deal with translocated paths are private, so we have
// to dynamically load them from the Security framework.
//
// The headers can be found under "Security" on opensource.apple.com:
// Security/OSX/libsecurity_translocate/lib/SecTranslocate.h
if (!s_security_framework.IsOpen())
{
s_security_framework.Open("/System/Library/Frameworks/Security.framework/Security");
s_security_framework.GetSymbol("SecTranslocateIsTranslocatedURL", &s_is_translocated_url);
s_security_framework.GetSymbol("SecTranslocateCreateOriginalPathForURL", &s_create_orig_path);
}
bool is_translocated = false;
s_is_translocated_url(bundle_ref, &is_translocated, nullptr);
if (is_translocated)
{
CFURLRef untranslocated_ref = s_create_orig_path(bundle_ref, nullptr);
CFRelease(bundle_ref);
bundle_ref = untranslocated_ref;
}
char app_bundle_path[MAXPATHLEN];
CFStringRef bundle_path = CFURLCopyFileSystemPath(bundle_ref, kCFURLPOSIXPathStyle);
CFStringGetFileSystemRepresentation(bundle_path, app_bundle_path, sizeof(app_bundle_path));
CFRelease(bundle_ref);
CFRelease(bundle_path);
return app_bundle_path;
}
#endif
std::string GetExePath()
{
static const std::string dolphin_path = [] {
std::string result;
#ifdef _WIN32
auto dolphin_exe_path = GetModuleName(nullptr);
if (dolphin_exe_path)
{
std::unique_ptr<TCHAR[], decltype(&std::free)> dolphin_exe_expanded_path{
_tfullpath(nullptr, dolphin_exe_path->c_str(), 0), std::free};
if (dolphin_exe_expanded_path)
{
result = TStrToUTF8(dolphin_exe_expanded_path.get());
}
else
{
result = TStrToUTF8(*dolphin_exe_path);
}
}
#elif defined(__APPLE__)
result = GetBundleDirectory();
#else
char dolphin_exe_path[PATH_MAX];
ssize_t len = ::readlink("/proc/self/exe", dolphin_exe_path, sizeof(dolphin_exe_path));
if (len == -1 || len == sizeof(dolphin_exe_path))
{
len = 0;
}
dolphin_exe_path[len] = '\0';
result = dolphin_exe_path;
#endif
return result;
}();
return dolphin_path;
}
std::string GetExeDirectory()
{
std::string exe_path = GetExePath();
#ifdef _WIN32
return exe_path.substr(0, exe_path.rfind('\\'));
#else
return exe_path.substr(0, exe_path.rfind('/'));
#endif
}
static std::string CreateSysDirectoryPath()
{
#if defined(_WIN32) || defined(LINUX_LOCAL_DEV)
#define SYSDATA_DIR "Sys"
#elif defined __APPLE__
#define SYSDATA_DIR "Contents/Resources/Sys"
#else
#ifdef DATA_DIR
#define SYSDATA_DIR DATA_DIR "sys"
#else
#define SYSDATA_DIR "sys"
#endif
#endif
#if defined(__APPLE__)
const std::string sys_directory = GetBundleDirectory() + DIR_SEP SYSDATA_DIR DIR_SEP;
#elif defined(_WIN32) || defined(LINUX_LOCAL_DEV)
const std::string sys_directory = GetExeDirectory() + DIR_SEP SYSDATA_DIR DIR_SEP;
#elif defined ANDROID
const std::string sys_directory = s_android_sys_directory + DIR_SEP;
ASSERT_MSG(COMMON, !s_android_sys_directory.empty(), "Sys directory has not been set");
#else
const std::string sys_directory = SYSDATA_DIR DIR_SEP;
#endif
INFO_LOG_FMT(COMMON, "CreateSysDirectoryPath: Setting to {}", sys_directory);
return sys_directory;
}
const std::string& GetSysDirectory()
{
static const std::string sys_directory = CreateSysDirectoryPath();
return sys_directory;
}
#ifdef ANDROID
void SetSysDirectory(const std::string& path)
{
INFO_LOG_FMT(COMMON, "Setting Sys directory to {}", path);
ASSERT_MSG(COMMON, s_android_sys_directory.empty(), "Sys directory already set to {}",
s_android_sys_directory);
s_android_sys_directory = path;
}
#endif
static std::string s_user_paths[NUM_PATH_INDICES];
static void RebuildUserDirectories(unsigned int dir_index)
{
switch (dir_index)
{
case D_USER_IDX:
s_user_paths[D_GCUSER_IDX] = s_user_paths[D_USER_IDX] + GC_USER_DIR DIR_SEP;
s_user_paths[D_WIIROOT_IDX] = s_user_paths[D_USER_IDX] + WII_USER_DIR DIR_SEP;
s_user_paths[D_CONFIG_IDX] = s_user_paths[D_USER_IDX] + CONFIG_DIR DIR_SEP;
s_user_paths[D_GAMESETTINGS_IDX] = s_user_paths[D_USER_IDX] + GAMESETTINGS_DIR DIR_SEP;
s_user_paths[D_MAPS_IDX] = s_user_paths[D_USER_IDX] + MAPS_DIR DIR_SEP;
s_user_paths[D_CACHE_IDX] = s_user_paths[D_USER_IDX] + CACHE_DIR DIR_SEP;
s_user_paths[D_COVERCACHE_IDX] = s_user_paths[D_CACHE_IDX] + COVERCACHE_DIR DIR_SEP;
s_user_paths[D_REDUMPCACHE_IDX] = s_user_paths[D_CACHE_IDX] + REDUMPCACHE_DIR DIR_SEP;
s_user_paths[D_SHADERCACHE_IDX] = s_user_paths[D_CACHE_IDX] + SHADERCACHE_DIR DIR_SEP;
s_user_paths[D_SHADERS_IDX] = s_user_paths[D_USER_IDX] + SHADERS_DIR DIR_SEP;
s_user_paths[D_STATESAVES_IDX] = s_user_paths[D_USER_IDX] + STATESAVES_DIR DIR_SEP;
s_user_paths[D_SCREENSHOTS_IDX] = s_user_paths[D_USER_IDX] + SCREENSHOTS_DIR DIR_SEP;
s_user_paths[D_LOAD_IDX] = s_user_paths[D_USER_IDX] + LOAD_DIR DIR_SEP;
s_user_paths[D_HIRESTEXTURES_IDX] = s_user_paths[D_LOAD_IDX] + HIRES_TEXTURES_DIR DIR_SEP;
s_user_paths[D_RIIVOLUTION_IDX] = s_user_paths[D_LOAD_IDX] + RIIVOLUTION_DIR DIR_SEP;
s_user_paths[D_DUMP_IDX] = s_user_paths[D_USER_IDX] + DUMP_DIR DIR_SEP;
s_user_paths[D_DUMPFRAMES_IDX] = s_user_paths[D_DUMP_IDX] + DUMP_FRAMES_DIR DIR_SEP;
s_user_paths[D_DUMPOBJECTS_IDX] = s_user_paths[D_DUMP_IDX] + DUMP_OBJECTS_DIR DIR_SEP;
s_user_paths[D_DUMPAUDIO_IDX] = s_user_paths[D_DUMP_IDX] + DUMP_AUDIO_DIR DIR_SEP;
s_user_paths[D_DUMPTEXTURES_IDX] = s_user_paths[D_DUMP_IDX] + DUMP_TEXTURES_DIR DIR_SEP;
s_user_paths[D_DUMPDSP_IDX] = s_user_paths[D_DUMP_IDX] + DUMP_DSP_DIR DIR_SEP;
s_user_paths[D_DUMPSSL_IDX] = s_user_paths[D_DUMP_IDX] + DUMP_SSL_DIR DIR_SEP;
s_user_paths[D_LOGS_IDX] = s_user_paths[D_USER_IDX] + LOGS_DIR DIR_SEP;
s_user_paths[D_MAILLOGS_IDX] = s_user_paths[D_LOGS_IDX] + MAIL_LOGS_DIR DIR_SEP;
s_user_paths[D_THEMES_IDX] = s_user_paths[D_USER_IDX] + THEMES_DIR DIR_SEP;
s_user_paths[D_STYLES_IDX] = s_user_paths[D_USER_IDX] + STYLES_DIR DIR_SEP;
s_user_paths[D_PIPES_IDX] = s_user_paths[D_USER_IDX] + PIPES_DIR DIR_SEP;
s_user_paths[D_WFSROOT_IDX] = s_user_paths[D_USER_IDX] + WFSROOT_DIR DIR_SEP;
s_user_paths[D_BACKUP_IDX] = s_user_paths[D_USER_IDX] + BACKUP_DIR DIR_SEP;
s_user_paths[D_RESOURCEPACK_IDX] = s_user_paths[D_USER_IDX] + RESOURCEPACK_DIR DIR_SEP;
s_user_paths[D_DYNAMICINPUT_IDX] = s_user_paths[D_LOAD_IDX] + DYNAMICINPUT_DIR DIR_SEP;
s_user_paths[D_GRAPHICSMOD_IDX] = s_user_paths[D_LOAD_IDX] + GRAPHICSMOD_DIR DIR_SEP;
s_user_paths[F_DOLPHINCONFIG_IDX] = s_user_paths[D_CONFIG_IDX] + DOLPHIN_CONFIG;
s_user_paths[F_GCPADCONFIG_IDX] = s_user_paths[D_CONFIG_IDX] + GCPAD_CONFIG;
s_user_paths[F_WIIPADCONFIG_IDX] = s_user_paths[D_CONFIG_IDX] + WIIPAD_CONFIG;
s_user_paths[F_GCKEYBOARDCONFIG_IDX] = s_user_paths[D_CONFIG_IDX] + GCKEYBOARD_CONFIG;
s_user_paths[F_GFXCONFIG_IDX] = s_user_paths[D_CONFIG_IDX] + GFX_CONFIG;
s_user_paths[F_DEBUGGERCONFIG_IDX] = s_user_paths[D_CONFIG_IDX] + DEBUGGER_CONFIG;
s_user_paths[F_LOGGERCONFIG_IDX] = s_user_paths[D_CONFIG_IDX] + LOGGER_CONFIG;
s_user_paths[F_DUALSHOCKUDPCLIENTCONFIG_IDX] =
s_user_paths[D_CONFIG_IDX] + DUALSHOCKUDPCLIENT_CONFIG;
s_user_paths[F_FREELOOKCONFIG_IDX] = s_user_paths[D_CONFIG_IDX] + FREELOOK_CONFIG;
s_user_paths[F_MAINLOG_IDX] = s_user_paths[D_LOGS_IDX] + MAIN_LOG;
s_user_paths[F_MEM1DUMP_IDX] = s_user_paths[D_DUMP_IDX] + MEM1_DUMP;
s_user_paths[F_MEM2DUMP_IDX] = s_user_paths[D_DUMP_IDX] + MEM2_DUMP;
s_user_paths[F_ARAMDUMP_IDX] = s_user_paths[D_DUMP_IDX] + ARAM_DUMP;
s_user_paths[F_FAKEVMEMDUMP_IDX] = s_user_paths[D_DUMP_IDX] + FAKEVMEM_DUMP;
s_user_paths[F_GCSRAM_IDX] = s_user_paths[D_GCUSER_IDX] + GC_SRAM;
s_user_paths[F_WIISDCARD_IDX] = s_user_paths[D_WIIROOT_IDX] + WII_SDCARD;
s_user_paths[D_MEMORYWATCHER_IDX] = s_user_paths[D_USER_IDX] + MEMORYWATCHER_DIR DIR_SEP;
s_user_paths[F_MEMORYWATCHERLOCATIONS_IDX] =
s_user_paths[D_MEMORYWATCHER_IDX] + MEMORYWATCHER_LOCATIONS;
s_user_paths[F_MEMORYWATCHERSOCKET_IDX] =
s_user_paths[D_MEMORYWATCHER_IDX] + MEMORYWATCHER_SOCKET;
s_user_paths[D_GBAUSER_IDX] = s_user_paths[D_USER_IDX] + GBA_USER_DIR DIR_SEP;
s_user_paths[D_GBASAVES_IDX] = s_user_paths[D_GBAUSER_IDX] + GBASAVES_DIR DIR_SEP;
s_user_paths[F_GBABIOS_IDX] = s_user_paths[D_GBAUSER_IDX] + GBA_BIOS;
// The shader cache has moved to the cache directory, so remove the old one.
// TODO: remove that someday.
File::DeleteDirRecursively(s_user_paths[D_USER_IDX] + SHADERCACHE_LEGACY_DIR DIR_SEP);
break;
case D_CONFIG_IDX:
s_user_paths[F_DOLPHINCONFIG_IDX] = s_user_paths[D_CONFIG_IDX] + DOLPHIN_CONFIG;
s_user_paths[F_GCPADCONFIG_IDX] = s_user_paths[D_CONFIG_IDX] + GCPAD_CONFIG;
s_user_paths[F_GCKEYBOARDCONFIG_IDX] = s_user_paths[D_CONFIG_IDX] + GCKEYBOARD_CONFIG;
s_user_paths[F_WIIPADCONFIG_IDX] = s_user_paths[D_CONFIG_IDX] + WIIPAD_CONFIG;
s_user_paths[F_GFXCONFIG_IDX] = s_user_paths[D_CONFIG_IDX] + GFX_CONFIG;
s_user_paths[F_DEBUGGERCONFIG_IDX] = s_user_paths[D_CONFIG_IDX] + DEBUGGER_CONFIG;
s_user_paths[F_LOGGERCONFIG_IDX] = s_user_paths[D_CONFIG_IDX] + LOGGER_CONFIG;
s_user_paths[F_DUALSHOCKUDPCLIENTCONFIG_IDX] =
s_user_paths[D_CONFIG_IDX] + DUALSHOCKUDPCLIENT_CONFIG;
s_user_paths[F_FREELOOKCONFIG_IDX] = s_user_paths[D_CONFIG_IDX] + FREELOOK_CONFIG;
break;
case D_CACHE_IDX:
s_user_paths[D_COVERCACHE_IDX] = s_user_paths[D_CACHE_IDX] + COVERCACHE_DIR DIR_SEP;
s_user_paths[D_REDUMPCACHE_IDX] = s_user_paths[D_CACHE_IDX] + REDUMPCACHE_DIR DIR_SEP;
s_user_paths[D_SHADERCACHE_IDX] = s_user_paths[D_CACHE_IDX] + SHADERCACHE_DIR DIR_SEP;
break;
case D_GCUSER_IDX:
s_user_paths[F_GCSRAM_IDX] = s_user_paths[D_GCUSER_IDX] + GC_SRAM;
break;
case D_DUMP_IDX:
s_user_paths[D_DUMPFRAMES_IDX] = s_user_paths[D_DUMP_IDX] + DUMP_FRAMES_DIR DIR_SEP;
s_user_paths[D_DUMPOBJECTS_IDX] = s_user_paths[D_DUMP_IDX] + DUMP_OBJECTS_DIR DIR_SEP;
s_user_paths[D_DUMPAUDIO_IDX] = s_user_paths[D_DUMP_IDX] + DUMP_AUDIO_DIR DIR_SEP;
s_user_paths[D_DUMPTEXTURES_IDX] = s_user_paths[D_DUMP_IDX] + DUMP_TEXTURES_DIR DIR_SEP;
s_user_paths[D_DUMPDSP_IDX] = s_user_paths[D_DUMP_IDX] + DUMP_DSP_DIR DIR_SEP;
s_user_paths[D_DUMPSSL_IDX] = s_user_paths[D_DUMP_IDX] + DUMP_SSL_DIR DIR_SEP;
s_user_paths[F_MEM1DUMP_IDX] = s_user_paths[D_DUMP_IDX] + MEM1_DUMP;
s_user_paths[F_MEM2DUMP_IDX] = s_user_paths[D_DUMP_IDX] + MEM2_DUMP;
s_user_paths[F_ARAMDUMP_IDX] = s_user_paths[D_DUMP_IDX] + ARAM_DUMP;
s_user_paths[F_FAKEVMEMDUMP_IDX] = s_user_paths[D_DUMP_IDX] + FAKEVMEM_DUMP;
break;
case D_LOGS_IDX:
s_user_paths[D_MAILLOGS_IDX] = s_user_paths[D_LOGS_IDX] + MAIL_LOGS_DIR DIR_SEP;
s_user_paths[F_MAINLOG_IDX] = s_user_paths[D_LOGS_IDX] + MAIN_LOG;
break;
case D_LOAD_IDX:
s_user_paths[D_HIRESTEXTURES_IDX] = s_user_paths[D_LOAD_IDX] + HIRES_TEXTURES_DIR DIR_SEP;
s_user_paths[D_RIIVOLUTION_IDX] = s_user_paths[D_LOAD_IDX] + RIIVOLUTION_DIR DIR_SEP;
s_user_paths[D_DYNAMICINPUT_IDX] = s_user_paths[D_LOAD_IDX] + DYNAMICINPUT_DIR DIR_SEP;
s_user_paths[D_GRAPHICSMOD_IDX] = s_user_paths[D_LOAD_IDX] + GRAPHICSMOD_DIR DIR_SEP;
break;
}
}
// Gets a set user directory path
// Don't call prior to setting the base user directory
const std::string& GetUserPath(unsigned int dir_index)
{
return s_user_paths[dir_index];
}
// Sets a user directory path
// Rebuilds internal directory structure to compensate for the new directory
void SetUserPath(unsigned int dir_index, std::string path)
{
if (path.empty())
return;
#ifdef _WIN32
// On Windows, replace all '\' with '/' since we assume the latter in various places in the
// codebase.
for (char& c : path)
{
if (c == '\\')
c = '/';
}
#endif
// Directories should end with a separator, files should not.
while (StringEndsWith(path, "/"))
path.pop_back();
if (path.empty())
return;
const bool is_directory = dir_index < FIRST_FILE_USER_PATH_IDX;
if (is_directory)
path.push_back('/');
s_user_paths[dir_index] = std::move(path);
RebuildUserDirectories(dir_index);
}
std::string GetThemeDir(const std::string& theme_name)
{
std::string dir = File::GetUserPath(D_THEMES_IDX) + theme_name + "/";
if (Exists(dir))
return dir;
// If the theme doesn't exist in the user dir, load from shared directory
dir = GetSysDirectory() + THEMES_DIR "/" + theme_name + "/";
if (Exists(dir))
return dir;
// If the theme doesn't exist at all, load the default theme
return GetSysDirectory() + THEMES_DIR "/" DEFAULT_THEME_DIR "/";
}
bool WriteStringToFile(const std::string& filename, std::string_view str)
{
return File::IOFile(filename, "wb").WriteBytes(str.data(), str.size());
}
bool ReadFileToString(const std::string& filename, std::string& str)
{
File::IOFile file(filename, "rb");
if (!file)
return false;
str.resize(file.GetSize());
return file.ReadArray(str.data(), str.size());
}
} // namespace File
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