1 files changed, 0 insertions, 552 deletions
diff --git a/src/core/file_sys/vfs.cpp b/src/core/file_sys/vfs.cpp
deleted file mode 100644
index b7105c8ff..000000000
--- a/src/core/file_sys/vfs.cpp
+++ /dev/null
@@ -1,552 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#include <algorithm>
-#include <numeric>
-#include <string>
-#include "common/fs/path_util.h"
-#include "core/file_sys/mode.h"
-#include "core/file_sys/vfs.h"
-
-namespace FileSys {
-
-VfsFilesystem::VfsFilesystem(VirtualDir root_) : root(std::move(root_)) {}
-
-VfsFilesystem::~VfsFilesystem() = default;
-
-std::string VfsFilesystem::GetName() const {
-    return root->GetName();
-}
-
-bool VfsFilesystem::IsReadable() const {
-    return root->IsReadable();
-}
-
-bool VfsFilesystem::IsWritable() const {
-    return root->IsWritable();
-}
-
-VfsEntryType VfsFilesystem::GetEntryType(std::string_view path_) const {
-    const auto path = Common::FS::SanitizePath(path_);
-    if (root->GetFileRelative(path) != nullptr)
-        return VfsEntryType::File;
-    if (root->GetDirectoryRelative(path) != nullptr)
-        return VfsEntryType::Directory;
-
-    return VfsEntryType::None;
-}
-
-VirtualFile VfsFilesystem::OpenFile(std::string_view path_, Mode perms) {
-    const auto path = Common::FS::SanitizePath(path_);
-    return root->GetFileRelative(path);
-}
-
-VirtualFile VfsFilesystem::CreateFile(std::string_view path_, Mode perms) {
-    const auto path = Common::FS::SanitizePath(path_);
-    return root->CreateFileRelative(path);
-}
-
-VirtualFile VfsFilesystem::CopyFile(std::string_view old_path_, std::string_view new_path_) {
-    const auto old_path = Common::FS::SanitizePath(old_path_);
-    const auto new_path = Common::FS::SanitizePath(new_path_);
-
-    // VfsDirectory impls are only required to implement copy across the current directory.
-    if (Common::FS::GetParentPath(old_path) == Common::FS::GetParentPath(new_path)) {
-        if (!root->Copy(Common::FS::GetFilename(old_path), Common::FS::GetFilename(new_path)))
-            return nullptr;
-        return OpenFile(new_path, Mode::ReadWrite);
-    }
-
-    // Do it using RawCopy. Non-default impls are encouraged to optimize this.
-    const auto old_file = OpenFile(old_path, Mode::Read);
-    if (old_file == nullptr)
-        return nullptr;
-    auto new_file = OpenFile(new_path, Mode::Read);
-    if (new_file != nullptr)
-        return nullptr;
-    new_file = CreateFile(new_path, Mode::Write);
-    if (new_file == nullptr)
-        return nullptr;
-    if (!VfsRawCopy(old_file, new_file))
-        return nullptr;
-    return new_file;
-}
-
-VirtualFile VfsFilesystem::MoveFile(std::string_view old_path, std::string_view new_path) {
-    const auto sanitized_old_path = Common::FS::SanitizePath(old_path);
-    const auto sanitized_new_path = Common::FS::SanitizePath(new_path);
-
-    // Again, non-default impls are highly encouraged to provide a more optimized version of this.
-    auto out = CopyFile(sanitized_old_path, sanitized_new_path);
-    if (out == nullptr)
-        return nullptr;
-    if (DeleteFile(sanitized_old_path))
-        return out;
-    return nullptr;
-}
-
-bool VfsFilesystem::DeleteFile(std::string_view path_) {
-    const auto path = Common::FS::SanitizePath(path_);
-    auto parent = OpenDirectory(Common::FS::GetParentPath(path), Mode::Write);
-    if (parent == nullptr)
-        return false;
-    return parent->DeleteFile(Common::FS::GetFilename(path));
-}
-
-VirtualDir VfsFilesystem::OpenDirectory(std::string_view path_, Mode perms) {
-    const auto path = Common::FS::SanitizePath(path_);
-    return root->GetDirectoryRelative(path);
-}
-
-VirtualDir VfsFilesystem::CreateDirectory(std::string_view path_, Mode perms) {
-    const auto path = Common::FS::SanitizePath(path_);
-    return root->CreateDirectoryRelative(path);
-}
-
-VirtualDir VfsFilesystem::CopyDirectory(std::string_view old_path_, std::string_view new_path_) {
-    const auto old_path = Common::FS::SanitizePath(old_path_);
-    const auto new_path = Common::FS::SanitizePath(new_path_);
-
-    // Non-default impls are highly encouraged to provide a more optimized version of this.
-    auto old_dir = OpenDirectory(old_path, Mode::Read);
-    if (old_dir == nullptr)
-        return nullptr;
-    auto new_dir = OpenDirectory(new_path, Mode::Read);
-    if (new_dir != nullptr)
-        return nullptr;
-    new_dir = CreateDirectory(new_path, Mode::Write);
-    if (new_dir == nullptr)
-        return nullptr;
-
-    for (const auto& file : old_dir->GetFiles()) {
-        const auto x = CopyFile(old_path + '/' + file->GetName(), new_path + '/' + file->GetName());
-        if (x == nullptr)
-            return nullptr;
-    }
-
-    for (const auto& dir : old_dir->GetSubdirectories()) {
-        const auto x =
-            CopyDirectory(old_path + '/' + dir->GetName(), new_path + '/' + dir->GetName());
-        if (x == nullptr)
-            return nullptr;
-    }
-
-    return new_dir;
-}
-
-VirtualDir VfsFilesystem::MoveDirectory(std::string_view old_path, std::string_view new_path) {
-    const auto sanitized_old_path = Common::FS::SanitizePath(old_path);
-    const auto sanitized_new_path = Common::FS::SanitizePath(new_path);
-
-    // Non-default impls are highly encouraged to provide a more optimized version of this.
-    auto out = CopyDirectory(sanitized_old_path, sanitized_new_path);
-    if (out == nullptr)
-        return nullptr;
-    if (DeleteDirectory(sanitized_old_path))
-        return out;
-    return nullptr;
-}
-
-bool VfsFilesystem::DeleteDirectory(std::string_view path_) {
-    const auto path = Common::FS::SanitizePath(path_);
-    auto parent = OpenDirectory(Common::FS::GetParentPath(path), Mode::Write);
-    if (parent == nullptr)
-        return false;
-    return parent->DeleteSubdirectoryRecursive(Common::FS::GetFilename(path));
-}
-
-VfsFile::~VfsFile() = default;
-
-std::string VfsFile::GetExtension() const {
-    return std::string(Common::FS::GetExtensionFromFilename(GetName()));
-}
-
-VfsDirectory::~VfsDirectory() = default;
-
-std::optional<u8> VfsFile::ReadByte(std::size_t offset) const {
-    u8 out{};
-    const std::size_t size = Read(&out, sizeof(u8), offset);
-    if (size == 1) {
-        return out;
-    }
-
-    return std::nullopt;
-}
-
-std::vector<u8> VfsFile::ReadBytes(std::size_t size, std::size_t offset) const {
-    std::vector<u8> out(size);
-    std::size_t read_size = Read(out.data(), size, offset);
-    out.resize(read_size);
-    return out;
-}
-
-std::vector<u8> VfsFile::ReadAllBytes() const {
-    return ReadBytes(GetSize());
-}
-
-bool VfsFile::WriteByte(u8 data, std::size_t offset) {
-    return Write(&data, 1, offset) == 1;
-}
-
-std::size_t VfsFile::WriteBytes(const std::vector<u8>& data, std::size_t offset) {
-    return Write(data.data(), data.size(), offset);
-}
-
-std::string VfsFile::GetFullPath() const {
-    if (GetContainingDirectory() == nullptr)
-        return '/' + GetName();
-
-    return GetContainingDirectory()->GetFullPath() + '/' + GetName();
-}
-
-VirtualFile VfsDirectory::GetFileRelative(std::string_view path) const {
-    auto vec = Common::FS::SplitPathComponents(path);
-    if (vec.empty()) {
-        return nullptr;
-    }
-
-    if (vec.size() == 1) {
-        return GetFile(vec[0]);
-    }
-
-    auto dir = GetSubdirectory(vec[0]);
-    for (std::size_t component = 1; component < vec.size() - 1; ++component) {
-        if (dir == nullptr) {
-            return nullptr;
-        }
-
-        dir = dir->GetSubdirectory(vec[component]);
-    }
-
-    if (dir == nullptr) {
-        return nullptr;
-    }
-
-    return dir->GetFile(vec.back());
-}
-
-VirtualFile VfsDirectory::GetFileAbsolute(std::string_view path) const {
-    if (IsRoot()) {
-        return GetFileRelative(path);
-    }
-
-    return GetParentDirectory()->GetFileAbsolute(path);
-}
-
-VirtualDir VfsDirectory::GetDirectoryRelative(std::string_view path) const {
-    auto vec = Common::FS::SplitPathComponents(path);
-    if (vec.empty()) {
-        // TODO(DarkLordZach): Return this directory if path is '/' or similar. Can't currently
-        // because of const-ness
-        return nullptr;
-    }
-
-    auto dir = GetSubdirectory(vec[0]);
-    for (std::size_t component = 1; component < vec.size(); ++component) {
-        if (dir == nullptr) {
-            return nullptr;
-        }
-
-        dir = dir->GetSubdirectory(vec[component]);
-    }
-
-    return dir;
-}
-
-VirtualDir VfsDirectory::GetDirectoryAbsolute(std::string_view path) const {
-    if (IsRoot()) {
-        return GetDirectoryRelative(path);
-    }
-
-    return GetParentDirectory()->GetDirectoryAbsolute(path);
-}
-
-VirtualFile VfsDirectory::GetFile(std::string_view name) const {
-    const auto& files = GetFiles();
-    const auto iter = std::find_if(files.begin(), files.end(),
-                                   [&name](const auto& file1) { return name == file1->GetName(); });
-    return iter == files.end() ? nullptr : *iter;
-}
-
-FileTimeStampRaw VfsDirectory::GetFileTimeStamp([[maybe_unused]] std::string_view path) const {
-    return {};
-}
-
-VirtualDir VfsDirectory::GetSubdirectory(std::string_view name) const {
-    const auto& subs = GetSubdirectories();
-    const auto iter = std::find_if(subs.begin(), subs.end(),
-                                   [&name](const auto& file1) { return name == file1->GetName(); });
-    return iter == subs.end() ? nullptr : *iter;
-}
-
-bool VfsDirectory::IsRoot() const {
-    return GetParentDirectory() == nullptr;
-}
-
-std::size_t VfsDirectory::GetSize() const {
-    const auto& files = GetFiles();
-    const auto sum_sizes = [](const auto& range) {
-        return std::accumulate(range.begin(), range.end(), 0ULL,
-                               [](const auto& f1, const auto& f2) { return f1 + f2->GetSize(); });
-    };
-
-    const auto file_total = sum_sizes(files);
-    const auto& sub_dir = GetSubdirectories();
-    const auto subdir_total = sum_sizes(sub_dir);
-
-    return file_total + subdir_total;
-}
-
-VirtualFile VfsDirectory::CreateFileRelative(std::string_view path) {
-    auto vec = Common::FS::SplitPathComponents(path);
-    if (vec.empty()) {
-        return nullptr;
-    }
-
-    if (vec.size() == 1) {
-        return CreateFile(vec[0]);
-    }
-
-    auto dir = GetSubdirectory(vec[0]);
-    if (dir == nullptr) {
-        dir = CreateSubdirectory(vec[0]);
-        if (dir == nullptr) {
-            return nullptr;
-        }
-    }
-
-    return dir->CreateFileRelative(Common::FS::GetPathWithoutTop(path));
-}
-
-VirtualFile VfsDirectory::CreateFileAbsolute(std::string_view path) {
-    if (IsRoot()) {
-        return CreateFileRelative(path);
-    }
-
-    return GetParentDirectory()->CreateFileAbsolute(path);
-}
-
-VirtualDir VfsDirectory::CreateDirectoryRelative(std::string_view path) {
-    auto vec = Common::FS::SplitPathComponents(path);
-    if (vec.empty()) {
-        return nullptr;
-    }
-
-    if (vec.size() == 1) {
-        return CreateSubdirectory(vec[0]);
-    }
-
-    auto dir = GetSubdirectory(vec[0]);
-    if (dir == nullptr) {
-        dir = CreateSubdirectory(vec[0]);
-        if (dir == nullptr) {
-            return nullptr;
-        }
-    }
-
-    return dir->CreateDirectoryRelative(Common::FS::GetPathWithoutTop(path));
-}
-
-VirtualDir VfsDirectory::CreateDirectoryAbsolute(std::string_view path) {
-    if (IsRoot()) {
-        return CreateDirectoryRelative(path);
-    }
-
-    return GetParentDirectory()->CreateDirectoryAbsolute(path);
-}
-
-bool VfsDirectory::DeleteSubdirectoryRecursive(std::string_view name) {
-    auto dir = GetSubdirectory(name);
-    if (dir == nullptr) {
-        return false;
-    }
-
-    bool success = true;
-    for (const auto& file : dir->GetFiles()) {
-        if (!DeleteFile(file->GetName())) {
-            success = false;
-        }
-    }
-
-    for (const auto& sdir : dir->GetSubdirectories()) {
-        if (!dir->DeleteSubdirectoryRecursive(sdir->GetName())) {
-            success = false;
-        }
-    }
-
-    return success;
-}
-
-bool VfsDirectory::CleanSubdirectoryRecursive(std::string_view name) {
-    auto dir = GetSubdirectory(name);
-    if (dir == nullptr) {
-        return false;
-    }
-
-    bool success = true;
-    for (const auto& file : dir->GetFiles()) {
-        if (!dir->DeleteFile(file->GetName())) {
-            success = false;
-        }
-    }
-
-    for (const auto& sdir : dir->GetSubdirectories()) {
-        if (!dir->DeleteSubdirectoryRecursive(sdir->GetName())) {
-            success = false;
-        }
-    }
-
-    return success;
-}
-
-bool VfsDirectory::Copy(std::string_view src, std::string_view dest) {
-    const auto f1 = GetFile(src);
-    auto f2 = CreateFile(dest);
-    if (f1 == nullptr || f2 == nullptr) {
-        return false;
-    }
-
-    if (!f2->Resize(f1->GetSize())) {
-        DeleteFile(dest);
-        return false;
-    }
-
-    return f2->WriteBytes(f1->ReadAllBytes()) == f1->GetSize();
-}
-
-std::map<std::string, VfsEntryType, std::less<>> VfsDirectory::GetEntries() const {
-    std::map<std::string, VfsEntryType, std::less<>> out;
-    for (const auto& dir : GetSubdirectories())
-        out.emplace(dir->GetName(), VfsEntryType::Directory);
-    for (const auto& file : GetFiles())
-        out.emplace(file->GetName(), VfsEntryType::File);
-    return out;
-}
-
-std::string VfsDirectory::GetFullPath() const {
-    if (IsRoot())
-        return GetName();
-
-    return GetParentDirectory()->GetFullPath() + '/' + GetName();
-}
-
-bool ReadOnlyVfsDirectory::IsWritable() const {
-    return false;
-}
-
-bool ReadOnlyVfsDirectory::IsReadable() const {
-    return true;
-}
-
-VirtualDir ReadOnlyVfsDirectory::CreateSubdirectory(std::string_view name) {
-    return nullptr;
-}
-
-VirtualFile ReadOnlyVfsDirectory::CreateFile(std::string_view name) {
-    return nullptr;
-}
-
-VirtualFile ReadOnlyVfsDirectory::CreateFileAbsolute(std::string_view path) {
-    return nullptr;
-}
-
-VirtualFile ReadOnlyVfsDirectory::CreateFileRelative(std::string_view path) {
-    return nullptr;
-}
-
-VirtualDir ReadOnlyVfsDirectory::CreateDirectoryAbsolute(std::string_view path) {
-    return nullptr;
-}
-
-VirtualDir ReadOnlyVfsDirectory::CreateDirectoryRelative(std::string_view path) {
-    return nullptr;
-}
-
-bool ReadOnlyVfsDirectory::DeleteSubdirectory(std::string_view name) {
-    return false;
-}
-
-bool ReadOnlyVfsDirectory::DeleteSubdirectoryRecursive(std::string_view name) {
-    return false;
-}
-
-bool ReadOnlyVfsDirectory::CleanSubdirectoryRecursive(std::string_view name) {
-    return false;
-}
-
-bool ReadOnlyVfsDirectory::DeleteFile(std::string_view name) {
-    return false;
-}
-
-bool ReadOnlyVfsDirectory::Rename(std::string_view name) {
-    return false;
-}
-
-bool DeepEquals(const VirtualFile& file1, const VirtualFile& file2, std::size_t block_size) {
-    if (file1->GetSize() != file2->GetSize())
-        return false;
-
-    std::vector<u8> f1_v(block_size);
-    std::vector<u8> f2_v(block_size);
-    for (std::size_t i = 0; i < file1->GetSize(); i += block_size) {
-        auto f1_vs = file1->Read(f1_v.data(), block_size, i);
-        auto f2_vs = file2->Read(f2_v.data(), block_size, i);
-
-        if (f1_vs != f2_vs)
-            return false;
-        auto iters = std::mismatch(f1_v.begin(), f1_v.end(), f2_v.begin(), f2_v.end());
-        if (iters.first != f1_v.end() && iters.second != f2_v.end())
-            return false;
-    }
-
-    return true;
-}
-
-bool VfsRawCopy(const VirtualFile& src, const VirtualFile& dest, std::size_t block_size) {
-    if (src == nullptr || dest == nullptr || !src->IsReadable() || !dest->IsWritable())
-        return false;
-    if (!dest->Resize(src->GetSize()))
-        return false;
-
-    std::vector<u8> temp(std::min(block_size, src->GetSize()));
-    for (std::size_t i = 0; i < src->GetSize(); i += block_size) {
-        const auto read = std::min(block_size, src->GetSize() - i);
-
-        if (src->Read(temp.data(), read, i) != read) {
-            return false;
-        }
-
-        if (dest->Write(temp.data(), read, i) != read) {
-            return false;
-        }
-    }
-
-    return true;
-}
-
-bool VfsRawCopyD(const VirtualDir& src, const VirtualDir& dest, std::size_t block_size) {
-    if (src == nullptr || dest == nullptr || !src->IsReadable() || !dest->IsWritable())
-        return false;
-
-    for (const auto& file : src->GetFiles()) {
-        const auto out = dest->CreateFile(file->GetName());
-        if (!VfsRawCopy(file, out, block_size))
-            return false;
-    }
-
-    for (const auto& dir : src->GetSubdirectories()) {
-        const auto out = dest->CreateSubdirectory(dir->GetName());
-        if (!VfsRawCopyD(dir, out, block_size))
-            return false;
-    }
-
-    return true;
-}
-
-VirtualDir GetOrCreateDirectoryRelative(const VirtualDir& rel, std::string_view path) {
-    const auto res = rel->GetDirectoryRelative(path);
-    if (res == nullptr)
-        return rel->CreateDirectoryRelative(path);
-    return res;
-}
-} // namespace FileSys