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-rw-r--r--src/core/file_sys/vfs_real.cpp245
1 files changed, 122 insertions, 123 deletions
diff --git a/src/core/file_sys/vfs_real.cpp b/src/core/file_sys/vfs_real.cpp
index 3d89dd644..d0b8fd046 100644
--- a/src/core/file_sys/vfs_real.cpp
+++ b/src/core/file_sys/vfs_real.cpp
@@ -7,8 +7,9 @@
#include <iterator>
#include <utility>
#include "common/assert.h"
-#include "common/common_paths.h"
-#include "common/file_util.h"
+#include "common/fs/file.h"
+#include "common/fs/fs.h"
+#include "common/fs/path_util.h"
#include "common/logging/log.h"
#include "core/file_sys/vfs_real.h"
@@ -16,33 +17,31 @@ namespace FileSys {
namespace FS = Common::FS;
-static std::string ModeFlagsToString(Mode mode) {
- std::string mode_str;
-
- // Calculate the correct open mode for the file.
- if (True(mode & Mode::Read) && True(mode & Mode::Write)) {
- if (True(mode & Mode::Append)) {
- mode_str = "a+";
- } else {
- mode_str = "r+";
- }
- } else {
- if (True(mode & Mode::Read)) {
- mode_str = "r";
- } else if (True(mode & Mode::Append)) {
- mode_str = "a";
- } else if (True(mode & Mode::Write)) {
- mode_str = "w";
- } else {
- UNREACHABLE_MSG("Invalid file open mode: {:02X}", static_cast<u8>(mode));
- }
+namespace {
+
+constexpr FS::FileAccessMode ModeFlagsToFileAccessMode(Mode mode) {
+ switch (mode) {
+ case Mode::Read:
+ return FS::FileAccessMode::Read;
+ case Mode::Write:
+ return FS::FileAccessMode::Write;
+ case Mode::ReadWrite:
+ return FS::FileAccessMode::ReadWrite;
+ case Mode::Append:
+ return FS::FileAccessMode::Append;
+ case Mode::ReadAppend:
+ return FS::FileAccessMode::ReadAppend;
+ case Mode::WriteAppend:
+ return FS::FileAccessMode::Append;
+ case Mode::All:
+ return FS::FileAccessMode::ReadAppend;
+ default:
+ return {};
}
-
- mode_str += "b";
-
- return mode_str;
}
+} // Anonymous namespace
+
RealVfsFilesystem::RealVfsFilesystem() : VfsFilesystem(nullptr) {}
RealVfsFilesystem::~RealVfsFilesystem() = default;
@@ -63,7 +62,7 @@ VfsEntryType RealVfsFilesystem::GetEntryType(std::string_view path_) const {
if (!FS::Exists(path)) {
return VfsEntryType::None;
}
- if (FS::IsDirectory(path)) {
+ if (FS::IsDir(path)) {
return VfsEntryType::Directory;
}
@@ -81,12 +80,13 @@ VirtualFile RealVfsFilesystem::OpenFile(std::string_view path_, Mode perms) {
}
}
- if (!FS::Exists(path) && True(perms & Mode::WriteAppend)) {
- FS::CreateEmptyFile(path);
+ auto backing = FS::FileOpen(path, ModeFlagsToFileAccessMode(perms), FS::FileType::BinaryFile);
+
+ if (!backing) {
+ return nullptr;
}
- auto backing = std::make_shared<FS::IOFile>(path, ModeFlagsToString(perms).c_str());
- cache.insert_or_assign(path, backing);
+ cache.insert_or_assign(path, std::move(backing));
// Cannot use make_shared as RealVfsFile constructor is private
return std::shared_ptr<RealVfsFile>(new RealVfsFile(*this, backing, path, perms));
@@ -94,25 +94,29 @@ VirtualFile RealVfsFilesystem::OpenFile(std::string_view path_, Mode perms) {
VirtualFile RealVfsFilesystem::CreateFile(std::string_view path_, Mode perms) {
const auto path = FS::SanitizePath(path_, FS::DirectorySeparator::PlatformDefault);
- const auto path_fwd = FS::SanitizePath(path, FS::DirectorySeparator::ForwardSlash);
- if (!FS::Exists(path)) {
- FS::CreateFullPath(path_fwd);
- if (!FS::CreateEmptyFile(path)) {
+ // Current usages of CreateFile expect to delete the contents of an existing file.
+ if (FS::IsFile(path)) {
+ FS::IOFile temp{path, FS::FileAccessMode::Write, FS::FileType::BinaryFile};
+
+ if (!temp.IsOpen()) {
return nullptr;
}
+
+ temp.Close();
+
+ return OpenFile(path, perms);
+ }
+
+ if (!FS::NewFile(path)) {
+ return nullptr;
}
+
return OpenFile(path, perms);
}
VirtualFile RealVfsFilesystem::CopyFile(std::string_view old_path_, std::string_view new_path_) {
- const auto old_path = FS::SanitizePath(old_path_, FS::DirectorySeparator::PlatformDefault);
- const auto new_path = FS::SanitizePath(new_path_, FS::DirectorySeparator::PlatformDefault);
-
- if (!FS::Exists(old_path) || FS::Exists(new_path) || FS::IsDirectory(old_path) ||
- !FS::Copy(old_path, new_path)) {
- return nullptr;
- }
- return OpenFile(new_path, Mode::ReadWrite);
+ // Unused
+ return nullptr;
}
VirtualFile RealVfsFilesystem::MoveFile(std::string_view old_path_, std::string_view new_path_) {
@@ -127,13 +131,13 @@ VirtualFile RealVfsFilesystem::MoveFile(std::string_view old_path_, std::string_
file->Close();
}
- if (!FS::Exists(old_path) || FS::Exists(new_path) || FS::IsDirectory(old_path) ||
- !FS::Rename(old_path, new_path)) {
+ if (!FS::RenameFile(old_path, new_path)) {
return nullptr;
}
cache.erase(old_path);
- if (file->Open(new_path, "r+b")) {
+ file->Open(new_path, FS::FileAccessMode::Read, FS::FileType::BinaryFile);
+ if (file->IsOpen()) {
cache.insert_or_assign(new_path, std::move(file));
} else {
LOG_ERROR(Service_FS, "Failed to open path {} in order to re-cache it", new_path);
@@ -157,7 +161,7 @@ bool RealVfsFilesystem::DeleteFile(std::string_view path_) {
cache.erase(path);
}
- return FS::Delete(path);
+ return FS::RemoveFile(path);
}
VirtualDir RealVfsFilesystem::OpenDirectory(std::string_view path_, Mode perms) {
@@ -168,12 +172,8 @@ VirtualDir RealVfsFilesystem::OpenDirectory(std::string_view path_, Mode perms)
VirtualDir RealVfsFilesystem::CreateDirectory(std::string_view path_, Mode perms) {
const auto path = FS::SanitizePath(path_, FS::DirectorySeparator::PlatformDefault);
- const auto path_fwd = FS::SanitizePath(path, FS::DirectorySeparator::ForwardSlash);
- if (!FS::Exists(path)) {
- FS::CreateFullPath(path_fwd);
- if (!FS::CreateDir(path)) {
- return nullptr;
- }
+ if (!FS::CreateDirs(path)) {
+ return nullptr;
}
// Cannot use make_shared as RealVfsDirectory constructor is private
return std::shared_ptr<RealVfsDirectory>(new RealVfsDirectory(*this, path, perms));
@@ -181,13 +181,8 @@ VirtualDir RealVfsFilesystem::CreateDirectory(std::string_view path_, Mode perms
VirtualDir RealVfsFilesystem::CopyDirectory(std::string_view old_path_,
std::string_view new_path_) {
- const auto old_path = FS::SanitizePath(old_path_, FS::DirectorySeparator::PlatformDefault);
- const auto new_path = FS::SanitizePath(new_path_, FS::DirectorySeparator::PlatformDefault);
- if (!FS::Exists(old_path) || FS::Exists(new_path) || !FS::IsDirectory(old_path)) {
- return nullptr;
- }
- FS::CopyDir(old_path, new_path);
- return OpenDirectory(new_path, Mode::ReadWrite);
+ // Unused
+ return nullptr;
}
VirtualDir RealVfsFilesystem::MoveDirectory(std::string_view old_path_,
@@ -195,8 +190,7 @@ VirtualDir RealVfsFilesystem::MoveDirectory(std::string_view old_path_,
const auto old_path = FS::SanitizePath(old_path_, FS::DirectorySeparator::PlatformDefault);
const auto new_path = FS::SanitizePath(new_path_, FS::DirectorySeparator::PlatformDefault);
- if (!FS::Exists(old_path) || FS::Exists(new_path) || FS::IsDirectory(old_path) ||
- !FS::Rename(old_path, new_path)) {
+ if (!FS::RenameDir(old_path, new_path)) {
return nullptr;
}
@@ -208,7 +202,7 @@ VirtualDir RealVfsFilesystem::MoveDirectory(std::string_view old_path_,
const auto file_old_path =
FS::SanitizePath(kv.first, FS::DirectorySeparator::PlatformDefault);
- auto file_new_path = FS::SanitizePath(new_path + DIR_SEP + kv.first.substr(old_path.size()),
+ auto file_new_path = FS::SanitizePath(new_path + '/' + kv.first.substr(old_path.size()),
FS::DirectorySeparator::PlatformDefault);
const auto& cached = cache[file_old_path];
@@ -218,7 +212,8 @@ VirtualDir RealVfsFilesystem::MoveDirectory(std::string_view old_path_,
auto file = cached.lock();
cache.erase(file_old_path);
- if (file->Open(file_new_path, "r+b")) {
+ file->Open(file_new_path, FS::FileAccessMode::Read, FS::FileType::BinaryFile);
+ if (file->IsOpen()) {
cache.insert_or_assign(std::move(file_new_path), std::move(file));
} else {
LOG_ERROR(Service_FS, "Failed to open path {} in order to re-cache it", file_new_path);
@@ -245,15 +240,13 @@ bool RealVfsFilesystem::DeleteDirectory(std::string_view path_) {
cache.erase(kv.first);
}
- return FS::DeleteDirRecursively(path);
+ return FS::RemoveDirRecursively(path);
}
RealVfsFile::RealVfsFile(RealVfsFilesystem& base_, std::shared_ptr<FS::IOFile> backing_,
const std::string& path_, Mode perms_)
: base(base_), backing(std::move(backing_)), path(path_), parent_path(FS::GetParentPath(path_)),
- path_components(FS::SplitPathComponents(path_)),
- parent_components(FS::SliceVector(path_components, 0, path_components.size() - 1)),
- perms(perms_) {}
+ path_components(FS::SplitPathComponents(path_)), perms(perms_) {}
RealVfsFile::~RealVfsFile() = default;
@@ -266,7 +259,7 @@ std::size_t RealVfsFile::GetSize() const {
}
bool RealVfsFile::Resize(std::size_t new_size) {
- return backing->Resize(new_size);
+ return backing->SetSize(new_size);
}
VirtualDir RealVfsFile::GetContainingDirectory() const {
@@ -274,33 +267,33 @@ VirtualDir RealVfsFile::GetContainingDirectory() const {
}
bool RealVfsFile::IsWritable() const {
- return True(perms & Mode::WriteAppend);
+ return True(perms & Mode::Write);
}
bool RealVfsFile::IsReadable() const {
- return True(perms & Mode::ReadWrite);
+ return True(perms & Mode::Read);
}
std::size_t RealVfsFile::Read(u8* data, std::size_t length, std::size_t offset) const {
- if (!backing->Seek(static_cast<s64>(offset), SEEK_SET)) {
+ if (!backing->Seek(static_cast<s64>(offset))) {
return 0;
}
- return backing->ReadBytes(data, length);
+ return backing->ReadSpan(std::span{data, length});
}
std::size_t RealVfsFile::Write(const u8* data, std::size_t length, std::size_t offset) {
- if (!backing->Seek(static_cast<s64>(offset), SEEK_SET)) {
+ if (!backing->Seek(static_cast<s64>(offset))) {
return 0;
}
- return backing->WriteBytes(data, length);
+ return backing->WriteSpan(std::span{data, length});
}
bool RealVfsFile::Rename(std::string_view name) {
- return base.MoveFile(path, parent_path + DIR_SEP + std::string(name)) != nullptr;
+ return base.MoveFile(path, parent_path + '/' + std::string(name)) != nullptr;
}
-bool RealVfsFile::Close() {
- return backing->Close();
+void RealVfsFile::Close() {
+ backing->Close();
}
// TODO(DarkLordZach): MSVC would not let me combine the following two functions using 'if
@@ -313,15 +306,16 @@ std::vector<VirtualFile> RealVfsDirectory::IterateEntries<RealVfsFile, VfsFile>(
}
std::vector<VirtualFile> out;
- FS::ForeachDirectoryEntry(
- nullptr, path,
- [&out, this](u64* entries_out, const std::string& directory, const std::string& filename) {
- const std::string full_path = directory + DIR_SEP + filename;
- if (!FS::IsDirectory(full_path)) {
- out.emplace_back(base.OpenFile(full_path, perms));
- }
- return true;
- });
+
+ const FS::DirEntryCallable callback = [this, &out](const std::filesystem::path& full_path) {
+ const auto full_path_string = FS::PathToUTF8String(full_path);
+
+ out.emplace_back(base.OpenFile(full_path_string, perms));
+
+ return true;
+ };
+
+ FS::IterateDirEntries(path, callback, FS::DirEntryFilter::File);
return out;
}
@@ -333,42 +327,41 @@ std::vector<VirtualDir> RealVfsDirectory::IterateEntries<RealVfsDirectory, VfsDi
}
std::vector<VirtualDir> out;
- FS::ForeachDirectoryEntry(
- nullptr, path,
- [&out, this](u64* entries_out, const std::string& directory, const std::string& filename) {
- const std::string full_path = directory + DIR_SEP + filename;
- if (FS::IsDirectory(full_path)) {
- out.emplace_back(base.OpenDirectory(full_path, perms));
- }
- return true;
- });
+
+ const FS::DirEntryCallable callback = [this, &out](const std::filesystem::path& full_path) {
+ const auto full_path_string = FS::PathToUTF8String(full_path);
+
+ out.emplace_back(base.OpenDirectory(full_path_string, perms));
+
+ return true;
+ };
+
+ FS::IterateDirEntries(path, callback, FS::DirEntryFilter::Directory);
return out;
}
RealVfsDirectory::RealVfsDirectory(RealVfsFilesystem& base_, const std::string& path_, Mode perms_)
: base(base_), path(FS::RemoveTrailingSlash(path_)), parent_path(FS::GetParentPath(path)),
- path_components(FS::SplitPathComponents(path)),
- parent_components(FS::SliceVector(path_components, 0, path_components.size() - 1)),
- perms(perms_) {
- if (!FS::Exists(path) && True(perms & Mode::WriteAppend)) {
- FS::CreateDir(path);
+ path_components(FS::SplitPathComponents(path)), perms(perms_) {
+ if (!FS::Exists(path) && True(perms & Mode::Write)) {
+ void(FS::CreateDirs(path));
}
}
RealVfsDirectory::~RealVfsDirectory() = default;
VirtualFile RealVfsDirectory::GetFileRelative(std::string_view relative_path) const {
- const auto full_path = FS::SanitizePath(path + DIR_SEP + std::string(relative_path));
- if (!FS::Exists(full_path) || FS::IsDirectory(full_path)) {
+ const auto full_path = FS::SanitizePath(path + '/' + std::string(relative_path));
+ if (!FS::Exists(full_path) || FS::IsDir(full_path)) {
return nullptr;
}
return base.OpenFile(full_path, perms);
}
VirtualDir RealVfsDirectory::GetDirectoryRelative(std::string_view relative_path) const {
- const auto full_path = FS::SanitizePath(path + DIR_SEP + std::string(relative_path));
- if (!FS::Exists(full_path) || !FS::IsDirectory(full_path)) {
+ const auto full_path = FS::SanitizePath(path + '/' + std::string(relative_path));
+ if (!FS::Exists(full_path) || !FS::IsDir(full_path)) {
return nullptr;
}
return base.OpenDirectory(full_path, perms);
@@ -383,17 +376,20 @@ VirtualDir RealVfsDirectory::GetSubdirectory(std::string_view name) const {
}
VirtualFile RealVfsDirectory::CreateFileRelative(std::string_view relative_path) {
- const auto full_path = FS::SanitizePath(path + DIR_SEP + std::string(relative_path));
+ const auto full_path = FS::SanitizePath(path + '/' + std::string(relative_path));
+ if (!FS::CreateParentDirs(full_path)) {
+ return nullptr;
+ }
return base.CreateFile(full_path, perms);
}
VirtualDir RealVfsDirectory::CreateDirectoryRelative(std::string_view relative_path) {
- const auto full_path = FS::SanitizePath(path + DIR_SEP + std::string(relative_path));
+ const auto full_path = FS::SanitizePath(path + '/' + std::string(relative_path));
return base.CreateDirectory(full_path, perms);
}
bool RealVfsDirectory::DeleteSubdirectoryRecursive(std::string_view name) {
- const auto full_path = FS::SanitizePath(this->path + DIR_SEP + std::string(name));
+ const auto full_path = FS::SanitizePath(this->path + '/' + std::string(name));
return base.DeleteDirectory(full_path);
}
@@ -406,11 +402,11 @@ std::vector<VirtualDir> RealVfsDirectory::GetSubdirectories() const {
}
bool RealVfsDirectory::IsWritable() const {
- return True(perms & Mode::WriteAppend);
+ return True(perms & Mode::Write);
}
bool RealVfsDirectory::IsReadable() const {
- return True(perms & Mode::ReadWrite);
+ return True(perms & Mode::Read);
}
std::string RealVfsDirectory::GetName() const {
@@ -426,27 +422,27 @@ VirtualDir RealVfsDirectory::GetParentDirectory() const {
}
VirtualDir RealVfsDirectory::CreateSubdirectory(std::string_view name) {
- const std::string subdir_path = (path + DIR_SEP).append(name);
+ const std::string subdir_path = (path + '/').append(name);
return base.CreateDirectory(subdir_path, perms);
}
VirtualFile RealVfsDirectory::CreateFile(std::string_view name) {
- const std::string file_path = (path + DIR_SEP).append(name);
+ const std::string file_path = (path + '/').append(name);
return base.CreateFile(file_path, perms);
}
bool RealVfsDirectory::DeleteSubdirectory(std::string_view name) {
- const std::string subdir_path = (path + DIR_SEP).append(name);
+ const std::string subdir_path = (path + '/').append(name);
return base.DeleteDirectory(subdir_path);
}
bool RealVfsDirectory::DeleteFile(std::string_view name) {
- const std::string file_path = (path + DIR_SEP).append(name);
+ const std::string file_path = (path + '/').append(name);
return base.DeleteFile(file_path);
}
bool RealVfsDirectory::Rename(std::string_view name) {
- const std::string new_name = (parent_path + DIR_SEP).append(name);
+ const std::string new_name = (parent_path + '/').append(name);
return base.MoveFile(path, new_name) != nullptr;
}
@@ -462,14 +458,17 @@ std::map<std::string, VfsEntryType, std::less<>> RealVfsDirectory::GetEntries()
}
std::map<std::string, VfsEntryType, std::less<>> out;
- FS::ForeachDirectoryEntry(
- nullptr, path,
- [&out](u64* entries_out, const std::string& directory, const std::string& filename) {
- const std::string full_path = directory + DIR_SEP + filename;
- out.emplace(filename,
- FS::IsDirectory(full_path) ? VfsEntryType::Directory : VfsEntryType::File);
- return true;
- });
+
+ const FS::DirEntryCallable callback = [&out](const std::filesystem::path& full_path) {
+ const auto filename = FS::PathToUTF8String(full_path.filename());
+
+ out.insert_or_assign(filename,
+ FS::IsDir(full_path) ? VfsEntryType::Directory : VfsEntryType::File);
+
+ return true;
+ };
+
+ FS::IterateDirEntries(path, callback);
return out;
}