1 files changed, 133 insertions, 0 deletions
diff --git a/src/core/file_sys/vfs/vfs_vector.cpp b/src/core/file_sys/vfs/vfs_vector.cpp
new file mode 100644
index 000000000..0d54461c8
--- /dev/null
+++ b/src/core/file_sys/vfs/vfs_vector.cpp
@@ -0,0 +1,133 @@
+// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <algorithm>
+#include <utility>
+#include "core/file_sys/vfs/vfs_vector.h"
+
+namespace FileSys {
+VectorVfsFile::VectorVfsFile(std::vector<u8> initial_data, std::string name_, VirtualDir parent_)
+    : data(std::move(initial_data)), parent(std::move(parent_)), name(std::move(name_)) {}
+
+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;
+}
+
+VirtualDir 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() + offset, 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<VirtualFile> VectorVfsDirectory::GetFiles() const {
+    return files;
+}
+
+std::vector<VirtualDir> VectorVfsDirectory::GetSubdirectories() const {
+    return dirs;
+}
+
+bool VectorVfsDirectory::IsWritable() const {
+    return false;
+}
+
+bool VectorVfsDirectory::IsReadable() const {
+    return true;
+}
+
+std::string VectorVfsDirectory::GetName() const {
+    return name;
+}
+
+VirtualDir 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 subdir_name) {
+    return FindAndRemoveVectorElement(dirs, subdir_name);
+}
+
+bool VectorVfsDirectory::DeleteFile(std::string_view file_name) {
+    return FindAndRemoveVectorElement(files, file_name);
+}
+
+bool VectorVfsDirectory::Rename(std::string_view name_) {
+    name = name_;
+    return true;
+}
+
+VirtualDir VectorVfsDirectory::CreateSubdirectory(std::string_view subdir_name) {
+    return nullptr;
+}
+
+VirtualFile VectorVfsDirectory::CreateFile(std::string_view file_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));
+}
+} // namespace FileSys