00001 /* -*-c++-*- */ 00002 /* 00003 * $Id: MStreamable.h,v 1.7 2002/03/06 02:49:55 sbooth Exp $ 00004 * 00005 * Copyright (C) 1996 - 2002 Stephen F. Booth 00006 * 00007 * This library is free software; you can redistribute it and/or 00008 * modify it under the terms of the GNU Lesser General Public 00009 * License as published by the Free Software Foundation; either 00010 * version 2.1 of the License, or (at your option) any later version. 00011 * 00012 * This library is distributed in the hope that it will be useful, 00013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00015 * Lesser General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU Lesser General Public 00018 * License along with this library; if not, write to the Free Software 00019 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00020 */ 00021 00022 #ifndef _MSTREAMABLE_H_ 00023 #define _MSTREAMABLE_H_ 1 00024 00025 #ifdef __GNUG__ 00026 # pragma interface 00027 #endif 00028 00036 #include <iostream> 00037 00038 #include "cgicc/CgiDefs.h" 00039 00040 CGICC_BEGIN_NAMESPACE 00041 00042 class MStreamable; 00043 00050 CGICC_API STDNS ostream& 00051 operator<<(STDNS ostream& out, const MStreamable& obj); 00052 00053 // ============================================================ 00054 // Class MStreamable 00055 // ============================================================ 00056 00064 class CGICC_API MStreamable 00065 { 00066 00067 friend CGICC_API STDNS ostream& 00068 operator<<(STDNS ostream& out, const MStreamable& obj); 00069 00070 public: 00075 inline MStreamable() 00076 {} 00077 00082 inline virtual ~MStreamable() 00083 {} 00084 00091 virtual void 00092 render(STDNS ostream& out) const = 0; 00093 }; 00094 00095 CGICC_END_NAMESPACE 00096 00097 #endif /* ! _MSTREAMABLE_H_ */