Serious-Engine/Sources/Engine/Base/Win32/Win32DynamicLoader.cpp

93 lines
1.7 KiB
C++

/* Copyright (c) 2002-2012 Croteam Ltd. All rights reserved. */
/* rcg10072001 Implemented. */
#ifdef PLATFORM_WIN32
#include <Engine/Engine.h>
#include <Engine/Base/DynamicLoader.h>
class CWin32DynamicLoader : public CDynamicLoader
{
public:
CWin32DynamicLoader(const char *libname);
virtual ~CWin32DynamicLoader(void);
virtual void *FindSymbol(const char *sym);
virtual const char *GetError(void);
protected:
void SetError(void);
HMODULE module;
CTString *err;
};
CDynamicLoader *CDynamicLoader::GetInstance(const char *libname)
{
return(new CWin32DynamicLoader(libname));
}
void CWin32DynamicLoader::SetError(void)
{
char *errmsg = ::GetWindowsError(::GetLastError());
delete err;
err = NULL;
if (errmsg != NULL)
err = new CTString(errmsg);
}
const char *CWin32DynamicLoader::GetError(void)
{
return((err) ? (const char *) (*err) : NULL);
}
void *CWin32DynamicLoader::FindSymbol(const char *sym)
{
void *retval = NULL;
if (module != NULL) {
retval = ::GetProcAddress(module, sym);
if (retval == NULL)
SetError();
}
return(retval);
}
CTFileName CDynamicLoader::ConvertLibNameToPlatform(const char *libname)
{
return(CTFileName(CTString(libname)));
}
CWin32DynamicLoader::CWin32DynamicLoader(const char *libname)
: module(NULL),
err(NULL)
{
CTFileName fnm(libname);
if (stricmp(fnm.FileExt(), ".dll") != 0)
fnm += ".dll";
module = ::LoadLibrary((const char *) fnm);
if (module == NULL)
SetError();
}
CWin32DynamicLoader::~CWin32DynamicLoader(void)
{
delete err;
if (module != NULL)
::FreeLibrary(module);
}
#endif //PLATFORM_WIN32
// end of Win32DynamicLoader.cpp ...