110 lines
2.8 KiB
C++
110 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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*/
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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;
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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() const;
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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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} // namespace MyGUI
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#endif // __MYGUI_DYNLIB_H__
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