suyu/src/core/file_sys/vfs_layered.cpp
Lioncash 9a07ed53eb core: Make variable shadowing a compile-time error
Now that we have most of core free of shadowing, we can enable the
warning as an error to catch anything that may be remaining and also
eliminate this class of logic bug entirely.
2021-05-16 03:43:16 -04:00

129 lines
3.5 KiB
C++

// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <algorithm>
#include <utility>
#include "core/file_sys/vfs_layered.h"
namespace FileSys {
LayeredVfsDirectory::LayeredVfsDirectory(std::vector<VirtualDir> dirs_, std::string name_)
: dirs(std::move(dirs_)), name(std::move(name_)) {}
LayeredVfsDirectory::~LayeredVfsDirectory() = default;
VirtualDir LayeredVfsDirectory::MakeLayeredDirectory(std::vector<VirtualDir> dirs,
std::string name) {
if (dirs.empty())
return nullptr;
if (dirs.size() == 1)
return dirs[0];
return VirtualDir(new LayeredVfsDirectory(std::move(dirs), std::move(name)));
}
VirtualFile LayeredVfsDirectory::GetFileRelative(std::string_view path) const {
for (const auto& layer : dirs) {
const auto file = layer->GetFileRelative(path);
if (file != nullptr)
return file;
}
return nullptr;
}
VirtualDir LayeredVfsDirectory::GetDirectoryRelative(std::string_view path) const {
std::vector<VirtualDir> out;
for (const auto& layer : dirs) {
auto dir = layer->GetDirectoryRelative(path);
if (dir != nullptr) {
out.push_back(std::move(dir));
}
}
return MakeLayeredDirectory(std::move(out));
}
VirtualFile LayeredVfsDirectory::GetFile(std::string_view file_name) const {
return GetFileRelative(file_name);
}
VirtualDir LayeredVfsDirectory::GetSubdirectory(std::string_view subdir_name) const {
return GetDirectoryRelative(subdir_name);
}
std::string LayeredVfsDirectory::GetFullPath() const {
return dirs[0]->GetFullPath();
}
std::vector<VirtualFile> LayeredVfsDirectory::GetFiles() const {
std::vector<VirtualFile> out;
for (const auto& layer : dirs) {
for (const auto& file : layer->GetFiles()) {
if (std::find_if(out.begin(), out.end(), [&file](const VirtualFile& comp) {
return comp->GetName() == file->GetName();
}) == out.end()) {
out.push_back(file);
}
}
}
return out;
}
std::vector<VirtualDir> LayeredVfsDirectory::GetSubdirectories() const {
std::vector<std::string> names;
for (const auto& layer : dirs) {
for (const auto& sd : layer->GetSubdirectories()) {
if (std::find(names.begin(), names.end(), sd->GetName()) == names.end())
names.push_back(sd->GetName());
}
}
std::vector<VirtualDir> out;
out.reserve(names.size());
for (const auto& subdir : names)
out.push_back(GetSubdirectory(subdir));
return out;
}
bool LayeredVfsDirectory::IsWritable() const {
return false;
}
bool LayeredVfsDirectory::IsReadable() const {
return true;
}
std::string LayeredVfsDirectory::GetName() const {
return name.empty() ? dirs[0]->GetName() : name;
}
VirtualDir LayeredVfsDirectory::GetParentDirectory() const {
return dirs[0]->GetParentDirectory();
}
VirtualDir LayeredVfsDirectory::CreateSubdirectory(std::string_view subdir_name) {
return nullptr;
}
VirtualFile LayeredVfsDirectory::CreateFile(std::string_view file_name) {
return nullptr;
}
bool LayeredVfsDirectory::DeleteSubdirectory(std::string_view subdir_name) {
return false;
}
bool LayeredVfsDirectory::DeleteFile(std::string_view file_name) {
return false;
}
bool LayeredVfsDirectory::Rename(std::string_view new_name) {
name = new_name;
return true;
}
} // namespace FileSys