nestopia/source/core/NstProperties.cpp
2012-09-02 13:13:55 -04:00

132 lines
3.2 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
//
////////////////////////////////////////////////////////////////////////////////////////
#include <string>
#include <map>
#include "NstAssert.hpp"
#include "NstProperties.hpp"
namespace Nes
{
namespace Core
{
#ifdef NST_MSVC_OPTIMIZE
#pragma optimize("s", on)
#endif
struct Properties::Container
{
typedef std::map<uint,std::wstring> Map;
Map map;
};
Properties::Properties(const Properties& properties)
: container(properties.container ? new Container(*properties.container) : NULL) {}
Properties::~Properties()
{
Clear();
}
Properties& Properties::operator = (const Properties& properties)
{
if (this != &properties)
{
Clear();
if (properties.container)
container = new Container(*properties.container);
}
return *this;
}
bool Properties::operator ! () const
{
return container == NULL || container->map.empty();
}
void Properties::Clear()
{
if (Container* tmp = container)
{
container = NULL;
delete tmp;
}
}
void Properties::Proxy::operator = (wcstring function)
{
NST_ASSERT( function );
if (container == NULL)
container = new Container;
container->map[id] = function;
}
wcstring Properties::Find(const Container* container,uint id)
{
if (container)
{
Container::Map::const_iterator it(container->map.find(id));
if (it != container->map.end())
return it->second.c_str();
}
return L"";
}
bool Properties::Proxy::operator == (wcstring string) const
{
return Core::StringCompare( Find(container,id), string ) == 0;
}
wcstring Properties::Proxy::operator * () const
{
return Find(container,id);
}
Properties::ConstProxy::ConstProxy(const Container* container,uint id)
: function(Find(container,id)) {}
Properties::ConstProxy::ConstProxy(Proxy proxy)
: function(Find(proxy.container,proxy.id)) {}
bool Properties::ConstProxy::operator == (wcstring string) const
{
return Core::StringCompare( function, string ) == 0;
}
wcstring Properties::ConstProxy::operator * () const
{
return function;
}
#ifdef NST_MSVC_OPTIMIZE
#pragma optimize("", on)
#endif
}
}