134 lines
3.4 KiB
C++
134 lines
3.4 KiB
C++
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include <algorithm>
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#include <utility>
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#include "core/file_sys/vfs_vector.h"
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namespace FileSys {
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VectorVfsFile::VectorVfsFile(std::vector<u8> initial_data, std::string name_, VirtualDir parent_)
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: data(std::move(initial_data)), parent(std::move(parent_)), name(std::move(name_)) {}
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VectorVfsFile::~VectorVfsFile() = default;
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std::string VectorVfsFile::GetName() const {
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return name;
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}
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size_t VectorVfsFile::GetSize() const {
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return data.size();
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}
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bool VectorVfsFile::Resize(size_t new_size) {
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data.resize(new_size);
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return true;
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}
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VirtualDir VectorVfsFile::GetContainingDirectory() const {
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return parent;
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}
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bool VectorVfsFile::IsWritable() const {
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return true;
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}
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bool VectorVfsFile::IsReadable() const {
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return true;
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}
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std::size_t VectorVfsFile::Read(u8* data_, std::size_t length, std::size_t offset) const {
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const auto read = std::min(length, data.size() - offset);
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std::memcpy(data_, data.data() + offset, read);
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return read;
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}
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std::size_t VectorVfsFile::Write(const u8* data_, std::size_t length, std::size_t offset) {
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if (offset + length > data.size())
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data.resize(offset + length);
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const auto write = std::min(length, data.size() - offset);
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std::memcpy(data.data() + offset, data_, write);
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return write;
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}
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bool VectorVfsFile::Rename(std::string_view name_) {
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name = name_;
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return true;
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}
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void VectorVfsFile::Assign(std::vector<u8> new_data) {
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data = std::move(new_data);
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}
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VectorVfsDirectory::VectorVfsDirectory(std::vector<VirtualFile> files_,
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std::vector<VirtualDir> dirs_, std::string name_,
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VirtualDir parent_)
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: files(std::move(files_)), dirs(std::move(dirs_)), parent(std::move(parent_)),
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name(std::move(name_)) {}
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VectorVfsDirectory::~VectorVfsDirectory() = default;
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std::vector<VirtualFile> VectorVfsDirectory::GetFiles() const {
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return files;
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}
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std::vector<VirtualDir> VectorVfsDirectory::GetSubdirectories() const {
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return dirs;
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}
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bool VectorVfsDirectory::IsWritable() const {
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return false;
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}
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bool VectorVfsDirectory::IsReadable() const {
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return true;
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}
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std::string VectorVfsDirectory::GetName() const {
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return name;
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}
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VirtualDir VectorVfsDirectory::GetParentDirectory() const {
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return parent;
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}
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template <typename T>
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static bool FindAndRemoveVectorElement(std::vector<T>& vec, std::string_view name) {
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const auto iter =
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std::find_if(vec.begin(), vec.end(), [name](const T& e) { return e->GetName() == name; });
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if (iter == vec.end())
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return false;
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vec.erase(iter);
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return true;
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}
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bool VectorVfsDirectory::DeleteSubdirectory(std::string_view subdir_name) {
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return FindAndRemoveVectorElement(dirs, subdir_name);
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}
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bool VectorVfsDirectory::DeleteFile(std::string_view file_name) {
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return FindAndRemoveVectorElement(files, file_name);
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}
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bool VectorVfsDirectory::Rename(std::string_view name_) {
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name = name_;
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return true;
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}
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VirtualDir VectorVfsDirectory::CreateSubdirectory(std::string_view subdir_name) {
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return nullptr;
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}
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VirtualFile VectorVfsDirectory::CreateFile(std::string_view file_name) {
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return nullptr;
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}
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void VectorVfsDirectory::AddFile(VirtualFile file) {
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files.push_back(std::move(file));
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}
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void VectorVfsDirectory::AddDirectory(VirtualDir dir) {
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dirs.push_back(std::move(dir));
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}
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} // namespace FileSys
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