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80 lines
2.6 KiB
80 lines
2.6 KiB
14 years ago
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/* -*-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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