nestopia/source/win32/NstResourceVersion.cpp

91 lines
2.6 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 <stdio.h>
#include "NstObjectHeap.hpp"
#include "NstResourceVersion.hpp"
#if NST_MSVC
#pragma comment(lib,"version")
#endif
namespace Nestopia
{
namespace Resource
{
Version::Version(wcstring const path,const VersionType versiontype)
{
NST_ASSERT( path );
char buffer[] = "xxxx.xxxx.xxxx.xxxx\0";
if (uint size = ::GetFileVersionInfoSize( path, 0 ))
{
Object::Heap<void> data( size );
if (::GetFileVersionInfo( path, 0, size, data ))
{
wchar_t type[] = L"\\";
void* ptr;
if (::VerQueryValue( data, type, &ptr, &size ) && size == sizeof(info))
{
info = *static_cast<const VS_FIXEDFILEINFO*>(ptr);
//fetches the version numbers
WORD v1 = HIWORD(versiontype == PRODUCT ? info.dwProductVersionMS : info.dwFileVersionMS);
WORD v2 = LOWORD(versiontype == PRODUCT ? info.dwProductVersionMS : info.dwFileVersionMS);
WORD v3 = HIWORD(versiontype == PRODUCT ? info.dwProductVersionLS : info.dwFileVersionLS);
WORD v4 = LOWORD(versiontype == PRODUCT ? info.dwProductVersionLS : info.dwFileVersionLS);
if (v1)
{
if (v4)
{
sprintf(buffer, "%d.%d.%d.%d", v1, v2, v3, v4); //maps 1,2,0,4 to "1.2.0.4"
}
else
{
sprintf(buffer, "%d.%d.%d", v1, v2, v3); //maps 1,2,0,0 to "1.2.0"
}
}
else
{
if (v4)
{
sprintf(buffer, "%d.%d.%d", v2, v3, v4); //maps 0,1,2,3 to "1.2.3"
}
else
{
sprintf(buffer, "%d.%d", v2, v3); //maps 0,1,2,0 to "1.2"
}
}
}
}
}
String::Heap<char>::operator = (buffer);
}
}
}