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			111 lines
		
	
	
	
		
			2.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			111 lines
		
	
	
	
		
			2.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*!
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	@file
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	@author		Denis Koronchik
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	@author		Georgiy Evmenov
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	@date		09/2007
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	@module
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*/
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/*
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	This file is part of MyGUI.
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	MyGUI is free software: you can redistribute it and/or modify
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	it under the terms of the GNU Lesser General Public License as published by
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	the Free Software Foundation, either version 3 of the License, or
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	(at your option) any later version.
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	MyGUI is distributed in the hope that it will be useful,
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	but WITHOUT ANY WARRANTY; without even the implied warranty of
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	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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	GNU Lesser General Public License for more details.
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	You should have received a copy of the GNU Lesser General Public License
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	along with MyGUI.  If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __MYGUI_DYNLIB_H__
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#define __MYGUI_DYNLIB_H__
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#include "MyGUI_Prerequest.h"
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#include <string>
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#if MYGUI_PLATFORM == MYGUI_PLATFORM_WIN32
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#    define MYGUI_DYNLIB_HANDLE hInstance
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#    define MYGUI_DYNLIB_LOAD( a ) LoadLibrary( a )
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#    define MYGUI_DYNLIB_GETSYM( a, b ) GetProcAddress( a, b )
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#    define MYGUI_DYNLIB_UNLOAD( a ) !FreeLibrary( a )
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struct HINSTANCE__;
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typedef struct HINSTANCE__* hInstance;
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#elif MYGUI_PLATFORM == MYGUI_PLATFORM_LINUX
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#    define MYGUI_DYNLIB_HANDLE void*
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#    define MYGUI_DYNLIB_LOAD( a ) dlopen( a, RTLD_LAZY | RTLD_GLOBAL)
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#    define MYGUI_DYNLIB_GETSYM( a, b ) dlsym( a, b )
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#    define MYGUI_DYNLIB_UNLOAD( a ) dlclose( a )
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#elif MYGUI_PLATFORM == MYGUI_PLATFORM_APPLE
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#    include <CoreFoundation/CFBundle.h>
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#    define MYGUI_DYNLIB_HANDLE CFBundleRef
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#    define MYGUI_DYNLIB_LOAD( a ) mac_loadExeBundle( a )
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#    define MYGUI_DYNLIB_GETSYM( a, b ) mac_getBundleSym( a, b )
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#    define MYGUI_DYNLIB_UNLOAD( a ) mac_unloadExeBundle( a )
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#endif
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namespace MyGUI
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{
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	/*! @brief Resource holding data about a dynamic library.
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		@remarks
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		This class holds the data required to get symbols from
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		libraries loaded at run-time (i.e. from DLL's for so's)
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	*/
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	class MYGUI_EXPORT DynLib
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	{
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		friend class DynLibManager;
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	protected:
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		DynLib(const std::string &name);
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		~DynLib();
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	public:
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		/*! Load the library
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		*/
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		bool load();
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		/*! Unload the library
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		*/
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		void unload();
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		//! Get the name of the library
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		std::string getName(void) const { return mName; }
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		/**
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			Returns the address of the given symbol from the loaded library.
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			@param
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				strName The name of the symbol to search for
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			@returns
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				If the function succeeds, the returned value is a handle to the symbol.
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				If the function fails, the returned value is <b>nullptr</b>.
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		*/
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		void* getSymbol( const std::string& strName ) const throw();
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	protected:
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		//! Gets the last loading error
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		std::string dynlibError(void);
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	protected:
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		//!	Name of library
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		std::string mName;
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		//! Handle to the loaded library.
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		MYGUI_DYNLIB_HANDLE mInstance;
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	};
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}
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#endif // __MYGUI_DYNLIB_H__
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