dolphin/Source/Core/Core/SysConf.h
Pierre Bourdon e149ad4f0a
treewide: convert GPLv2+ license info to SPDX tags
SPDX standardizes how source code conveys its copyright and licensing
information. See https://spdx.github.io/spdx-spec/1-rationale/ . SPDX
tags are adopted in many large projects, including things like the Linux
kernel.
2021-07-05 04:35:56 +02:00

103 lines
2.4 KiB
C++

// Copyright 2009 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
// Utilities to parse and modify a Wii SYSCONF file and its sections.
#pragma once
#include <cstring>
#include <memory>
#include <string>
#include <string_view>
#include <vector>
#include "Common/Assert.h"
#include "Common/CommonTypes.h"
#include "Common/NandPaths.h"
#include "Common/Swap.h"
namespace IOS::HLE::FS
{
class FileHandle;
class FileSystem;
} // namespace IOS::HLE::FS
class SysConf final
{
public:
explicit SysConf(std::shared_ptr<IOS::HLE::FS::FileSystem> fs);
~SysConf();
void Clear();
void Load();
bool Save() const;
struct Entry
{
enum Type : u8
{
BigArray = 1,
SmallArray = 2,
Byte = 3,
Short = 4,
Long = 5,
LongLong = 6,
// Should really be named Bool, but this conflicts with some random macro. :/
ByteBool = 7,
};
Entry(Type type_, std::string name_);
Entry(Type type_, std::string name_, std::vector<u8> bytes_);
// Intended for use with the non array types.
template <typename T>
T GetData(T default_value) const
{
if (bytes.size() != sizeof(T))
return default_value;
T value;
std::memcpy(&value, bytes.data(), bytes.size());
return Common::FromBigEndian(value);
}
template <typename T>
void SetData(T value)
{
ASSERT(sizeof(value) == bytes.size());
value = Common::FromBigEndian(value);
std::memcpy(bytes.data(), &value, bytes.size());
}
Type type;
std::string name;
std::vector<u8> bytes;
};
Entry& AddEntry(Entry&& entry);
Entry* GetEntry(std::string_view key);
const Entry* GetEntry(std::string_view key) const;
Entry* GetOrAddEntry(std::string_view key, Entry::Type type);
void RemoveEntry(std::string_view key);
// Intended for use with the non array types.
template <typename T>
T GetData(std::string_view key, T default_value) const
{
const Entry* entry = GetEntry(key);
return entry ? entry->GetData(default_value) : default_value;
}
template <typename T>
void SetData(std::string_view key, Entry::Type type, T value)
{
GetOrAddEntry(key, type)->SetData(value);
}
private:
void InsertDefaultEntries();
bool LoadFromFile(const IOS::HLE::FS::FileHandle& file);
std::vector<Entry> m_entries;
std::shared_ptr<IOS::HLE::FS::FileSystem> m_fs;
};