nestopia/source/win32/NstSystemRegistry.hpp

109 lines
2.2 KiB
C++

////////////////////////////////////////////////////////////////////////////////////////
//
// Nestopia - NES/Famicom emulator written in C++
//
// Copyright (C) 2003-2008 Martin Freij
//
// This file is part of Nestopia.
//
// Nestopia is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// Nestopia is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Nestopia; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
////////////////////////////////////////////////////////////////////////////////////////
#ifndef NST_SYSTEM_REGISTRY_H
#define NST_SYSTEM_REGISTRY_H
#pragma once
#include "NstString.hpp"
namespace Nestopia
{
namespace System
{
class Registry
{
public:
enum
{
MAX_STACK = 8
};
static void UpdateAssociations();
private:
enum
{
ASSOCIATION_CHANGED = 0x2
};
class Key
{
public:
bool operator << (const GenericString) const;
bool operator >> (HeapString&) const;
bool Delete() const;
bool Delete(const GenericString) const;
private:
struct AutoKey;
const uint count;
wcstring stack[MAX_STACK];
public:
Key(const Key& parent,wcstring name)
: count(parent.count + 1)
{
NST_ASSERT( count <= MAX_STACK );
std::memcpy( stack, parent.stack, parent.count * sizeof(wchar_t*) );
stack[parent.count] = name;
}
Key(const Key& parent)
: count(parent.count)
{
std::memcpy( stack, parent.stack, parent.count * sizeof(wchar_t*) );
}
Key(wcstring name)
: count(1)
{
stack[0] = name;
}
Key operator [] (wcstring name) const
{
return Key( *this, name );
}
};
public:
Key operator [] (wcstring name) const
{
return name;
}
};
}
}
#endif