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SoError.h

00001 /**************************************************************************\
00002  *
00003  *  This file is part of the Coin 3D visualization library.
00004  *  Copyright (C) 1998-2002 by Systems in Motion. All rights reserved.
00005  *
00006  *  This library is free software; you can redistribute it and/or
00007  *  modify it under the terms of the GNU Lesser General Public License
00008  *  version 2.1 as published by the Free Software Foundation. See the
00009  *  file LICENSE.LGPL at the root directory of the distribution for
00010  *  more details.
00011  *
00012  *  If you want to use Coin for applications not compatible with the
00013  *  LGPL, please contact SIM to acquire a Professional Edition license.
00014  *
00015  *  Systems in Motion, Prof Brochs gate 6, 7030 Trondheim, NORWAY
00016  *  http://www.sim.no support@sim.no Voice: +47 22114160 Fax: +47 22207097
00017  *
00018 \**************************************************************************/
00019 
00020 #ifndef COIN_SOERROR_H
00021 #define COIN_SOERROR_H
00022 
00023 #include <Inventor/SbBasic.h>
00024 #include <Inventor/SbString.h>
00025 
00026 class SoType;
00027 class SoBase;
00028 class SoNode;
00029 class SoPath;
00030 class SoEngine;
00031 
00032 typedef void SoErrorCB(const class SoError * error, void * data);
00033 
00034 
00035 class COIN_DLL_API SoError {
00036 public:
00037   static void setHandlerCallback(SoErrorCB * const func, void * const data);
00038   static SoErrorCB * getHandlerCallback(void);
00039   static void * getHandlerData(void);
00040 
00041   const SbString & getDebugString(void) const;
00042 
00043   static SoType getClassTypeId(void);
00044   virtual SoType getTypeId(void) const;
00045   SbBool isOfType(const SoType type) const;
00046 
00047   static void post(const char * const format, ...);
00048 
00049   static SbString getString(const SoNode * const node);
00050   static SbString getString(const SoPath * const path);
00051   static SbString getString(const SoEngine * const engine);
00052 
00053   static void initClass(void);
00054   static void initClasses(void);
00055 
00056   virtual ~SoError() { } // Kill g++ compiler warnings.
00057 
00058 protected:
00059   static void defaultHandlerCB(const SoError * error, void * userdata);
00060   virtual SoErrorCB * getHandler(void * & data) const;
00061   void setDebugString(const char * const str);
00062   void appendToDebugString(const char * const str);
00063 
00064   void handleError(void);
00065 
00066 private:
00067   static void generateBaseString(SbString & str, const SoBase * const base,
00068                                  const char * const what);
00069 
00070   static SoType classTypeId;
00071   static SoErrorCB * callback;
00072   static void * callbackData;
00073   SbString debugstring;
00074 };
00075 
00076 #endif // !COIN_SOERROR_H

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