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openmw/extern/mygui_3.0.1/MyGUIEngine/src/MyGUI_DynLib.cpp
2010-07-08 00:23:28 +02:00

110 lines
2.4 KiB
C++

/*!
@file
@author Denis Koronchik
@author Georgiy Evmenov
@date 09/2007
@module
*/
/*
This file is part of MyGUI.
MyGUI is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
MyGUI 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with MyGUI. If not, see <http://www.gnu.org/licenses/>.
*/
#include "MyGUI_Precompiled.h"
#include "MyGUI_DynLib.h"
#if MYGUI_PLATFORM == MYGUI_PLATFORM_WIN32
# include <Windows.h>
#elif MYGUI_PLATFORM == MYGUI_PLATFORM_LINUX
# include <dlfcn.h>
#endif
namespace MyGUI
{
DynLib::DynLib( const std::string& name )
{
mName = name;
mInstance = nullptr;
}
DynLib::~DynLib()
{
}
bool DynLib::load()
{
// Log library load
MYGUI_LOG(Info, "Loading library " << mName);
#if MYGUI_PLATFORM == MYGUI_PLATFORM_APPLE
//APPLE SPECIFIC CODE HERE
#else
mInstance = (MYGUI_DYNLIB_HANDLE)MYGUI_DYNLIB_LOAD( mName.c_str() );
#endif
return mInstance != 0;
}
void DynLib::unload()
{
// Log library unload
MYGUI_LOG(Info, "Unloading library " << mName);
#if MYGUI_PLATFORM == MYGUI_PLATFORM_APPLE
//APPLE SPECIFIC CODE HERE
#else
if (MYGUI_DYNLIB_UNLOAD(mInstance))
{
MYGUI_EXCEPT("Could not unload dynamic library '" << mName << "'. System Error: " << dynlibError());
}
#endif
}
void* DynLib::getSymbol( const std::string& strName ) const throw()
{
#if MYGUI_PLATFORM == MYGUI_PLATFORM_APPLE
//APPLE SPECIFIC CODE HERE
return nullptr;
#else
return (void*)MYGUI_DYNLIB_GETSYM(mInstance, strName.c_str());
#endif
}
std::string DynLib::dynlibError( void )
{
#if MYGUI_PLATFORM == MYGUI_PLATFORM_WIN32
LPVOID lpMsgBuf;
FormatMessage(
FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
GetLastError(),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPTSTR) &lpMsgBuf,
0,
NULL
);
std::string ret = (char*)lpMsgBuf;
// Free the buffer.
LocalFree( lpMsgBuf );
return ret;
#else
return "no unix error function defined yet";
#endif
}
} // namespace MyGUI