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79 lines
2.6 KiB
79 lines
2.6 KiB
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield |
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* |
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* This library is open source and may be redistributed and/or modified under |
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or |
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* (at your option) any later version. The full license is in LICENSE file |
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* included with this distribution, and on the openscenegraph.org website. |
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* |
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* This library 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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* OpenSceneGraph Public License for more details. |
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*/ |
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#ifndef OSGDB_DYNAMICLIBRARY |
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#define OSGDB_DYNAMICLIBRARY 1 |
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#include <osg/Referenced> |
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#include <osgDB/Export> |
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#include <string> |
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namespace osgDB { |
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/** DynamicLibrary - encapsulates the loading and unloading of dynamic libraries, |
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typically used for loading ReaderWriter plug-ins. |
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*/ |
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class OSGDB_EXPORT DynamicLibrary : public osg::Referenced |
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{ |
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public: |
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typedef void* HANDLE; |
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typedef void* PROC_ADDRESS; |
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/** returns a pointer to a DynamicLibrary object on successfully |
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* opening of library returns NULL on failure. |
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*/ |
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static DynamicLibrary* loadLibrary(const std::string& libraryName); |
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/** return name of library stripped of path.*/ |
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const std::string& getName() const { return _name; } |
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/** return name of library including full path to it.*/ |
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const std::string& getFullName() const { return _fullName; } |
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/** return handle to .dso/.dll dynamic library itself.*/ |
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HANDLE getHandle() const { return _handle; } |
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/** return address of function located in library.*/ |
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PROC_ADDRESS getProcAddress(const std::string& procName); |
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protected: |
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/** get handle to library file */ |
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static HANDLE getLibraryHandle( const std::string& libraryName); |
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/** disallow default constructor.*/ |
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DynamicLibrary():osg::Referenced() {} |
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/** disallow copy constructor.*/ |
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DynamicLibrary(const DynamicLibrary&):osg::Referenced() {} |
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/** disallow copy operator.*/ |
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DynamicLibrary& operator = (const DynamicLibrary&) { return *this; } |
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/** Disallow public construction so that users have to go |
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* through loadLibrary() above which returns NULL on |
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* failure, a valid DynamicLibrary object on success. |
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*/ |
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DynamicLibrary(const std::string& name,HANDLE handle); |
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~DynamicLibrary(); |
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HANDLE _handle; |
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std::string _name; |
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std::string _fullName; |
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}; |
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} |
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#endif // __DYNAMIC_LIBRARY_H
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