// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <algorithm>
#include <cstring>
#include <utility>
#include "core/file_sys/vfs_vector.h"
namespace FileSys {
VectorVfsFile::VectorVfsFile(std::vector<u8> initial_data, std::string name, VirtualDir parent)
: data(std::move(initial_data)), name(std::move(name)), parent(std::move(parent)) {}
VectorVfsFile::~VectorVfsFile() = default;
std::string VectorVfsFile::GetName() const {
return name;
}
size_t VectorVfsFile::GetSize() const {
return data.size();
}
bool VectorVfsFile::Resize(size_t new_size) {
data.resize(new_size);
return true;
}
std::shared_ptr<VfsDirectory> VectorVfsFile::GetContainingDirectory() const {
return parent;
}
bool VectorVfsFile::IsWritable() const {
return true;
}
bool VectorVfsFile::IsReadable() const {
return true;
}
std::size_t VectorVfsFile::Read(u8* data_, std::size_t length, std::size_t offset) const {
const auto read = std::min(length, data.size() - offset);
std::memcpy(data_, data.data() + offset, read);
return read;
}
std::size_t VectorVfsFile::Write(const u8* data_, std::size_t length, std::size_t offset) {
if (offset + length > data.size())
data.resize(offset + length);
const auto write = std::min(length, data.size() - offset);
std::memcpy(data.data(), data_, write);
return write;
}
bool VectorVfsFile::Rename(std::string_view name_) {
name = name_;
return true;
}
void VectorVfsFile::Assign(std::vector<u8> new_data) {
data = std::move(new_data);
}
VectorVfsDirectory::VectorVfsDirectory(std::vector<VirtualFile> files_,
std::vector<VirtualDir> dirs_, std::string name_,
VirtualDir parent_)
: files(std::move(files_)), dirs(std::move(dirs_)), parent(std::move(parent_)),
name(std::move(name_)) {}
VectorVfsDirectory::~VectorVfsDirectory() = default;
std::vector<std::shared_ptr<VfsFile>> VectorVfsDirectory::GetFiles() const {
return files;
}
std::vector<std::shared_ptr<VfsDirectory>> VectorVfsDirectory::GetSubdirectories() const {
return dirs;
}
bool VectorVfsDirectory::IsWritable() const {
return false;
}
bool VectorVfsDirectory::IsReadable() const {
return true;
}
std::string VectorVfsDirectory::GetName() const {
return name;
}
std::shared_ptr<VfsDirectory> VectorVfsDirectory::GetParentDirectory() const {
return parent;
}
template <typename T>
static bool FindAndRemoveVectorElement(std::vector<T>& vec, std::string_view name) {
const auto iter =
std::find_if(vec.begin(), vec.end(), [name](const T& e) { return e->GetName() == name; });
if (iter == vec.end())
return false;
vec.erase(iter);
return true;
}
bool VectorVfsDirectory::DeleteSubdirectory(std::string_view name) {
return FindAndRemoveVectorElement(dirs, name);
}
bool VectorVfsDirectory::DeleteFile(std::string_view name) {
return FindAndRemoveVectorElement(files, name);
}
bool VectorVfsDirectory::Rename(std::string_view name_) {
name = name_;
return true;
}
std::shared_ptr<VfsDirectory> VectorVfsDirectory::CreateSubdirectory(std::string_view name) {
return nullptr;
}
std::shared_ptr<VfsFile> VectorVfsDirectory::CreateFile(std::string_view name) {
return nullptr;
}
void VectorVfsDirectory::AddFile(VirtualFile file) {
files.push_back(std::move(file));
}
void VectorVfsDirectory::AddDirectory(VirtualDir dir) {
dirs.push_back(std::move(dir));
}
bool VectorVfsDirectory::ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) {
if (!DeleteFile(file->GetName()))
return false;
dirs.emplace_back(std::move(dir));
return true;
}
} // namespace FileSys