00001 /******************************************************************************* 00002 * Copyright (C) 2001-2004 Vintela, Inc. All rights reserved. 00003 * 00004 * Redistribution and use in source and binary forms, with or without 00005 * modification, are permitted provided that the following conditions are met: 00006 * 00007 * - Redistributions of source code must retain the above copyright notice, 00008 * this list of conditions and the following disclaimer. 00009 * 00010 * - Redistributions in binary form must reproduce the above copyright notice, 00011 * this list of conditions and the following disclaimer in the documentation 00012 * and/or other materials provided with the distribution. 00013 * 00014 * - Neither the name of Vintela, Inc. nor the names of its 00015 * contributors may be used to endorse or promote products derived from this 00016 * software without specific prior written permission. 00017 * 00018 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' 00019 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00020 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00021 * ARE DISCLAIMED. IN NO EVENT SHALL Vintela, Inc. OR THE CONTRIBUTORS 00022 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00023 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 00024 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00025 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00026 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00027 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00028 * POSSIBILITY OF SUCH DAMAGE. 00029 *******************************************************************************/ 00030 00035 #ifndef OW_SHAREDLIBRARY_HPP_ 00036 #define OW_SHAREDLIBRARY_HPP_ 00037 #include "OW_config.h" 00038 #include "OW_String.hpp" 00039 #include "OW_IntrusiveReference.hpp" 00040 #include "OW_IntrusiveCountableBase.hpp" 00041 00042 namespace OW_NAMESPACE 00043 { 00044 00049 class OW_COMMON_API SharedLibrary : public IntrusiveCountableBase 00050 { 00051 public: 00052 virtual ~SharedLibrary(); 00066 template< class fptype > 00067 bool getFunctionPointer(const String& functionName, fptype& retval ) 00068 { 00069 return this->doGetFunctionPointer( functionName, reinterpret_cast<void**>(&retval)); 00070 } 00071 00072 protected: 00082 virtual bool doGetFunctionPointer( const String& functionName, 00083 void** fp ) const = 0; 00084 }; 00085 typedef IntrusiveReference<SharedLibrary> SharedLibraryRef; 00086 00087 } // end namespace OW_NAMESPACE 00088 00089 #endif