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/*
* This source file is part of MyGUI. For the latest info, see http://mygui.info/
* Distributed under the MIT License
* (See accompanying file COPYING.MIT or copy at http://opensource.org/licenses/MIT)
*/
#ifndef MYGUI_DYNLIB_H_
#define MYGUI_DYNLIB_H_
#include "MyGUI_Prerequest.h"
#include <string>
#if MYGUI_PLATFORM == MYGUI_PLATFORM_WIN32
# define MYGUI_DYNLIB_HANDLE hInstance
struct HINSTANCE__;
typedef struct HINSTANCE__* hInstance;
#elif MYGUI_PLATFORM == MYGUI_PLATFORM_LINUX
# define MYGUI_DYNLIB_HANDLE void*
#elif MYGUI_PLATFORM == MYGUI_PLATFORM_APPLE
# include <CoreFoundation/CFBundle.h>
# define MYGUI_DYNLIB_HANDLE CFBundleRef
#endif
namespace MyGUI
{
/*! @brief Resource holding data about a dynamic library.
@remarks
This class holds the data required to get symbols from
libraries loaded at run-time (i.e. from DLL's for so's)
*/
class MYGUI_EXPORT DynLib
{
friend class DynLibManager;
protected:
DynLib(const std::string& name);
public:
/*! Load the library
*/
bool load();
/*! Unload the library
*/
void unload();
//! Get the name of the library
std::string getName(void) const;
/**
Returns the address of the given symbol from the loaded library.
@param
strName The name of the symbol to search for
@returns
If the function succeeds, the returned value is a handle to the symbol.
If the function fails, the returned value is <b>nullptr</b>.
*/
void* getSymbol( const std::string& strName ) const noexcept;
protected:
//! Gets the last loading error
std::string dynlibError() const;
protected:
//! Name of library
std::string mName;
//! Handle to the loaded library.
MYGUI_DYNLIB_HANDLE mInstance;
};
} // namespace MyGUI
#endif // MYGUI_DYNLIB_H_
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