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common/fileutil: Convert namespace to Common::FS

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Migrates a remaining common file over to the Common namespace, making it
consistent with the rest of common files.

This also allows for high-traffic FS related code to alias the
filesystem function namespace as

namespace FS = Common::FS;

for more concise typing.
This commit is contained in:
Lioncash
2020-08-15 08:33:16 -04:00
parent db96034ea4
commit c4ed791164
40 changed files with 639 additions and 547 deletions
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177
src/core/file_sys/vfs_real.cpp
View File

@ -14,6 +14,8 @@
namespace FileSys {
namespace FS = Common::FS;
static std::string ModeFlagsToString(Mode mode) {
std::string mode_str;
@ -57,17 +59,19 @@ bool RealVfsFilesystem::IsWritable() const {
}
VfsEntryType RealVfsFilesystem::GetEntryType(std::string_view path_) const {
const auto path = FileUtil::SanitizePath(path_, FileUtil::DirectorySeparator::PlatformDefault);
if (!FileUtil::Exists(path))
const auto path = FS::SanitizePath(path_, FS::DirectorySeparator::PlatformDefault);
if (!FS::Exists(path)) {
return VfsEntryType::None;
if (FileUtil::IsDirectory(path))
}
if (FS::IsDirectory(path)) {
return VfsEntryType::Directory;
}
return VfsEntryType::File;
}
VirtualFile RealVfsFilesystem::OpenFile(std::string_view path_, Mode perms) {
const auto path = FileUtil::SanitizePath(path_, FileUtil::DirectorySeparator::PlatformDefault);
const auto path = FS::SanitizePath(path_, FS::DirectorySeparator::PlatformDefault);
if (cache.find(path) != cache.end()) {
auto weak = cache[path];
if (!weak.expired()) {
@ -75,11 +79,11 @@ VirtualFile RealVfsFilesystem::OpenFile(std::string_view path_, Mode perms) {
}
}
if (!FileUtil::Exists(path) && True(perms & Mode::WriteAppend)) {
FileUtil::CreateEmptyFile(path);
if (!FS::Exists(path) && True(perms & Mode::WriteAppend)) {
FS::CreateEmptyFile(path);
}
auto backing = std::make_shared<FileUtil::IOFile>(path, ModeFlagsToString(perms).c_str());
auto backing = std::make_shared<FS::IOFile>(path, ModeFlagsToString(perms).c_str());
cache[path] = backing;
// Cannot use make_shared as RealVfsFile constructor is private
@ -87,33 +91,31 @@ VirtualFile RealVfsFilesystem::OpenFile(std::string_view path_, Mode perms) {
}
VirtualFile RealVfsFilesystem::CreateFile(std::string_view path_, Mode perms) {
const auto path = FileUtil::SanitizePath(path_, FileUtil::DirectorySeparator::PlatformDefault);
const auto path_fwd = FileUtil::SanitizePath(path, FileUtil::DirectorySeparator::ForwardSlash);
if (!FileUtil::Exists(path)) {
FileUtil::CreateFullPath(path_fwd);
if (!FileUtil::CreateEmptyFile(path))
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)) {
return nullptr;
}
}
return OpenFile(path, perms);
}
VirtualFile RealVfsFilesystem::CopyFile(std::string_view old_path_, std::string_view new_path_) {
const auto old_path =
FileUtil::SanitizePath(old_path_, FileUtil::DirectorySeparator::PlatformDefault);
const auto new_path =
FileUtil::SanitizePath(new_path_, FileUtil::DirectorySeparator::PlatformDefault);
const auto old_path = FS::SanitizePath(old_path_, FS::DirectorySeparator::PlatformDefault);
const auto new_path = FS::SanitizePath(new_path_, FS::DirectorySeparator::PlatformDefault);
if (!FileUtil::Exists(old_path) || FileUtil::Exists(new_path) ||
FileUtil::IsDirectory(old_path) || !FileUtil::Copy(old_path, new_path))
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);
}
VirtualFile RealVfsFilesystem::MoveFile(std::string_view old_path_, std::string_view new_path_) {
const auto old_path =
FileUtil::SanitizePath(old_path_, FileUtil::DirectorySeparator::PlatformDefault);
const auto new_path =
FileUtil::SanitizePath(new_path_, FileUtil::DirectorySeparator::PlatformDefault);
const auto old_path = FS::SanitizePath(old_path_, FS::DirectorySeparator::PlatformDefault);
const auto new_path = FS::SanitizePath(new_path_, FS::DirectorySeparator::PlatformDefault);
if (cache.find(old_path) != cache.end()) {
auto file = cache[old_path].lock();
@ -122,8 +124,8 @@ VirtualFile RealVfsFilesystem::MoveFile(std::string_view old_path_, std::string_
file->Close();
}
if (!FileUtil::Exists(old_path) || FileUtil::Exists(new_path) ||
FileUtil::IsDirectory(old_path) || !FileUtil::Rename(old_path, new_path)) {
if (!FS::Exists(old_path) || FS::Exists(new_path) || FS::IsDirectory(old_path) ||
!FS::Rename(old_path, new_path)) {
return nullptr;
}
@ -139,28 +141,30 @@ VirtualFile RealVfsFilesystem::MoveFile(std::string_view old_path_, std::string_
}
bool RealVfsFilesystem::DeleteFile(std::string_view path_) {
const auto path = FileUtil::SanitizePath(path_, FileUtil::DirectorySeparator::PlatformDefault);
const auto path = FS::SanitizePath(path_, FS::DirectorySeparator::PlatformDefault);
if (cache.find(path) != cache.end()) {
if (!cache[path].expired())
if (!cache[path].expired()) {
cache[path].lock()->Close();
}
cache.erase(path);
}
return FileUtil::Delete(path);
return FS::Delete(path);
}
VirtualDir RealVfsFilesystem::OpenDirectory(std::string_view path_, Mode perms) {
const auto path = FileUtil::SanitizePath(path_, FileUtil::DirectorySeparator::PlatformDefault);
const auto path = FS::SanitizePath(path_, FS::DirectorySeparator::PlatformDefault);
// Cannot use make_shared as RealVfsDirectory constructor is private
return std::shared_ptr<RealVfsDirectory>(new RealVfsDirectory(*this, path, perms));
}
VirtualDir RealVfsFilesystem::CreateDirectory(std::string_view path_, Mode perms) {
const auto path = FileUtil::SanitizePath(path_, FileUtil::DirectorySeparator::PlatformDefault);
const auto path_fwd = FileUtil::SanitizePath(path, FileUtil::DirectorySeparator::ForwardSlash);
if (!FileUtil::Exists(path)) {
FileUtil::CreateFullPath(path_fwd);
if (!FileUtil::CreateDir(path))
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;
}
}
// Cannot use make_shared as RealVfsDirectory constructor is private
return std::shared_ptr<RealVfsDirectory>(new RealVfsDirectory(*this, path, perms));
@ -168,35 +172,33 @@ 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 =
FileUtil::SanitizePath(old_path_, FileUtil::DirectorySeparator::PlatformDefault);
const auto new_path =
FileUtil::SanitizePath(new_path_, FileUtil::DirectorySeparator::PlatformDefault);
if (!FileUtil::Exists(old_path) || FileUtil::Exists(new_path) ||
!FileUtil::IsDirectory(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)) {
return nullptr;
FileUtil::CopyDir(old_path, new_path);
}
FS::CopyDir(old_path, new_path);
return OpenDirectory(new_path, Mode::ReadWrite);
}
VirtualDir RealVfsFilesystem::MoveDirectory(std::string_view old_path_,
std::string_view new_path_) {
const auto old_path =
FileUtil::SanitizePath(old_path_, FileUtil::DirectorySeparator::PlatformDefault);
const auto new_path =
FileUtil::SanitizePath(new_path_, FileUtil::DirectorySeparator::PlatformDefault);
if (!FileUtil::Exists(old_path) || FileUtil::Exists(new_path) ||
FileUtil::IsDirectory(old_path) || !FileUtil::Rename(old_path, 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::Rename(old_path, new_path)) {
return nullptr;
}
for (auto& kv : cache) {
// Path in cache starts with old_path
if (kv.first.rfind(old_path, 0) == 0) {
const auto file_old_path =
FileUtil::SanitizePath(kv.first, FileUtil::DirectorySeparator::PlatformDefault);
FS::SanitizePath(kv.first, FS::DirectorySeparator::PlatformDefault);
const auto file_new_path =
FileUtil::SanitizePath(new_path + DIR_SEP + kv.first.substr(old_path.size()),
FileUtil::DirectorySeparator::PlatformDefault);
FS::SanitizePath(new_path + DIR_SEP + kv.first.substr(old_path.size()),
FS::DirectorySeparator::PlatformDefault);
auto cached = cache[file_old_path];
if (!cached.expired()) {
auto file = cached.lock();
@ -211,24 +213,24 @@ VirtualDir RealVfsFilesystem::MoveDirectory(std::string_view old_path_,
}
bool RealVfsFilesystem::DeleteDirectory(std::string_view path_) {
const auto path = FileUtil::SanitizePath(path_, FileUtil::DirectorySeparator::PlatformDefault);
const auto path = FS::SanitizePath(path_, FS::DirectorySeparator::PlatformDefault);
for (auto& kv : cache) {
// Path in cache starts with old_path
if (kv.first.rfind(path, 0) == 0) {
if (!cache[kv.first].expired())
if (!cache[kv.first].expired()) {
cache[kv.first].lock()->Close();
}
cache.erase(kv.first);
}
}
return FileUtil::DeleteDirRecursively(path);
return FS::DeleteDirRecursively(path);
}
RealVfsFile::RealVfsFile(RealVfsFilesystem& base_, std::shared_ptr<FileUtil::IOFile> backing_,
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(FileUtil::GetParentPath(path_)),
path_components(FileUtil::SplitPathComponents(path_)),
parent_components(FileUtil::SliceVector(path_components, 0, path_components.size() - 1)),
: 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_) {}
RealVfsFile::~RealVfsFile() = default;
@ -258,14 +260,16 @@ bool RealVfsFile::IsReadable() const {
}
std::size_t RealVfsFile::Read(u8* data, std::size_t length, std::size_t offset) const {
if (!backing->Seek(offset, SEEK_SET))
if (!backing->Seek(offset, SEEK_SET)) {
return 0;
}
return backing->ReadBytes(data, length);
}
std::size_t RealVfsFile::Write(const u8* data, std::size_t length, std::size_t offset) {
if (!backing->Seek(offset, SEEK_SET))
if (!backing->Seek(offset, SEEK_SET)) {
return 0;
}
return backing->WriteBytes(data, length);
}
@ -282,16 +286,18 @@ bool RealVfsFile::Close() {
template <>
std::vector<VirtualFile> RealVfsDirectory::IterateEntries<RealVfsFile, VfsFile>() const {
if (perms == Mode::Append)
if (perms == Mode::Append) {
return {};
}
std::vector<VirtualFile> out;
FileUtil::ForeachDirectoryEntry(
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 (!FileUtil::IsDirectory(full_path))
if (!FS::IsDirectory(full_path)) {
out.emplace_back(base.OpenFile(full_path, perms));
}
return true;
});
@ -300,16 +306,18 @@ std::vector<VirtualFile> RealVfsDirectory::IterateEntries<RealVfsFile, VfsFile>(
template <>
std::vector<VirtualDir> RealVfsDirectory::IterateEntries<RealVfsDirectory, VfsDirectory>() const {
if (perms == Mode::Append)
if (perms == Mode::Append) {
return {};
}
std::vector<VirtualDir> out;
FileUtil::ForeachDirectoryEntry(
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 (FileUtil::IsDirectory(full_path))
if (FS::IsDirectory(full_path)) {
out.emplace_back(base.OpenDirectory(full_path, perms));
}
return true;
});
@ -317,29 +325,30 @@ std::vector<VirtualDir> RealVfsDirectory::IterateEntries<RealVfsDirectory, VfsDi
}
RealVfsDirectory::RealVfsDirectory(RealVfsFilesystem& base_, const std::string& path_, Mode perms_)
: base(base_), path(FileUtil::RemoveTrailingSlash(path_)),
parent_path(FileUtil::GetParentPath(path)),
path_components(FileUtil::SplitPathComponents(path)),
parent_components(FileUtil::SliceVector(path_components, 0, path_components.size() - 1)),
: 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 (!FileUtil::Exists(path) && True(perms & Mode::WriteAppend)) {
FileUtil::CreateDir(path);
if (!FS::Exists(path) && True(perms & Mode::WriteAppend)) {
FS::CreateDir(path);
}
}
RealVfsDirectory::~RealVfsDirectory() = default;
std::shared_ptr<VfsFile> RealVfsDirectory::GetFileRelative(std::string_view path) const {
const auto full_path = FileUtil::SanitizePath(this->path + DIR_SEP + std::string(path));
if (!FileUtil::Exists(full_path) || FileUtil::IsDirectory(full_path))
const auto full_path = FS::SanitizePath(this->path + DIR_SEP + std::string(path));
if (!FS::Exists(full_path) || FS::IsDirectory(full_path)) {
return nullptr;
}
return base.OpenFile(full_path, perms);
}
std::shared_ptr<VfsDirectory> RealVfsDirectory::GetDirectoryRelative(std::string_view path) const {
const auto full_path = FileUtil::SanitizePath(this->path + DIR_SEP + std::string(path));
if (!FileUtil::Exists(full_path) || !FileUtil::IsDirectory(full_path))
const auto full_path = FS::SanitizePath(this->path + DIR_SEP + std::string(path));
if (!FS::Exists(full_path) || !FS::IsDirectory(full_path)) {
return nullptr;
}
return base.OpenDirectory(full_path, perms);
}
@ -352,17 +361,17 @@ std::shared_ptr<VfsDirectory> RealVfsDirectory::GetSubdirectory(std::string_view
}
std::shared_ptr<VfsFile> RealVfsDirectory::CreateFileRelative(std::string_view path) {
const auto full_path = FileUtil::SanitizePath(this->path + DIR_SEP + std::string(path));
const auto full_path = FS::SanitizePath(this->path + DIR_SEP + std::string(path));
return base.CreateFile(full_path, perms);
}
std::shared_ptr<VfsDirectory> RealVfsDirectory::CreateDirectoryRelative(std::string_view path) {
const auto full_path = FileUtil::SanitizePath(this->path + DIR_SEP + std::string(path));
const auto full_path = FS::SanitizePath(this->path + DIR_SEP + std::string(path));
return base.CreateDirectory(full_path, perms);
}
bool RealVfsDirectory::DeleteSubdirectoryRecursive(std::string_view name) {
auto full_path = FileUtil::SanitizePath(this->path + DIR_SEP + std::string(name));
const auto full_path = FS::SanitizePath(this->path + DIR_SEP + std::string(name));
return base.DeleteDirectory(full_path);
}
@ -387,8 +396,9 @@ std::string RealVfsDirectory::GetName() const {
}
std::shared_ptr<VfsDirectory> RealVfsDirectory::GetParentDirectory() const {
if (path_components.size() <= 1)
if (path_components.size() <= 1) {
return nullptr;
}
return base.OpenDirectory(parent_path, perms);
}
@ -425,16 +435,17 @@ std::string RealVfsDirectory::GetFullPath() const {
}
std::map<std::string, VfsEntryType, std::less<>> RealVfsDirectory::GetEntries() const {
if (perms == Mode::Append)
if (perms == Mode::Append) {
return {};
}
std::map<std::string, VfsEntryType, std::less<>> out;
FileUtil::ForeachDirectoryEntry(
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, FileUtil::IsDirectory(full_path) ? VfsEntryType::Directory
: VfsEntryType::File);
out.emplace(filename,
FS::IsDirectory(full_path) ? VfsEntryType::Directory : VfsEntryType::File);
return true;
});