vfs: add vfs_cached for romfs build
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e931bb8c44
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@ -106,6 +106,8 @@ add_library(core STATIC
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file_sys/system_archive/time_zone_binary.h
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file_sys/vfs.cpp
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file_sys/vfs.h
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file_sys/vfs_cached.cpp
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file_sys/vfs_cached.h
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file_sys/vfs_concat.cpp
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file_sys/vfs_concat.h
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file_sys/vfs_layered.cpp
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@ -21,6 +21,7 @@
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#include "core/file_sys/patch_manager.h"
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#include "core/file_sys/registered_cache.h"
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#include "core/file_sys/romfs.h"
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#include "core/file_sys/vfs_cached.h"
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#include "core/file_sys/vfs_layered.h"
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#include "core/file_sys/vfs_vector.h"
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#include "core/hle/service/filesystem/filesystem.h"
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@ -380,11 +381,11 @@ static void ApplyLayeredFS(VirtualFile& romfs, u64 title_id, ContentRecordType t
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auto romfs_dir = FindSubdirectoryCaseless(subdir, "romfs");
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if (romfs_dir != nullptr)
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layers.push_back(std::move(romfs_dir));
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layers.push_back(std::make_shared<CachedVfsDirectory>(romfs_dir));
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auto ext_dir = FindSubdirectoryCaseless(subdir, "romfs_ext");
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if (ext_dir != nullptr)
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layers_ext.push_back(std::move(ext_dir));
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layers_ext.push_back(std::make_shared<CachedVfsDirectory>(ext_dir));
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}
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// When there are no layers to apply, return early as there is no need to rebuild the RomFS
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@ -0,0 +1,63 @@
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// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "core/file_sys/vfs_cached.h"
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#include "core/file_sys/vfs_types.h"
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namespace FileSys {
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CachedVfsDirectory::CachedVfsDirectory(VirtualDir& source_dir)
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: name(source_dir->GetName()), parent(source_dir->GetParentDirectory()) {
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for (auto& dir : source_dir->GetSubdirectories()) {
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dirs.emplace(dir->GetName(), std::make_shared<CachedVfsDirectory>(dir));
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}
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for (auto& file : source_dir->GetFiles()) {
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files.emplace(file->GetName(), file);
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}
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}
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CachedVfsDirectory::~CachedVfsDirectory() = default;
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VirtualFile CachedVfsDirectory::GetFile(std::string_view file_name) const {
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auto it = files.find(file_name);
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if (it != files.end()) {
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return it->second;
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}
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return nullptr;
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}
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VirtualDir CachedVfsDirectory::GetSubdirectory(std::string_view dir_name) const {
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auto it = dirs.find(dir_name);
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if (it != dirs.end()) {
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return it->second;
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}
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return nullptr;
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}
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std::vector<VirtualFile> CachedVfsDirectory::GetFiles() const {
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std::vector<VirtualFile> out;
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for (auto& [file_name, file] : files) {
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out.push_back(file);
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}
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return out;
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}
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std::vector<VirtualDir> CachedVfsDirectory::GetSubdirectories() const {
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std::vector<VirtualDir> out;
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for (auto& [dir_name, dir] : dirs) {
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out.push_back(dir);
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}
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return out;
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}
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std::string CachedVfsDirectory::GetName() const {
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return name;
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}
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VirtualDir CachedVfsDirectory::GetParentDirectory() const {
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return parent;
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}
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} // namespace FileSys
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@ -0,0 +1,31 @@
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// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include <string_view>
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#include <vector>
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#include "core/file_sys/vfs.h"
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namespace FileSys {
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class CachedVfsDirectory : public ReadOnlyVfsDirectory {
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public:
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CachedVfsDirectory(VirtualDir& source_directory);
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~CachedVfsDirectory() override;
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VirtualFile GetFile(std::string_view file_name) const override;
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VirtualDir GetSubdirectory(std::string_view dir_name) const override;
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std::vector<VirtualFile> GetFiles() const override;
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std::vector<VirtualDir> GetSubdirectories() const override;
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std::string GetName() const override;
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VirtualDir GetParentDirectory() const override;
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private:
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std::string name;
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VirtualDir parent;
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std::map<std::string, VirtualDir, std::less<>> dirs;
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std::map<std::string, VirtualFile, std::less<>> files;
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};
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} // namespace FileSys
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