00001 // ErrorValue.h: interface for the CErrorValue class. 00002 /* 00003 * Copyright (c) 1996-2000 Erwin Coumans <[email protected]> 00004 * 00005 * Permission to use, copy, modify, distribute and sell this software 00006 * and its documentation for any purpose is hereby granted without fee, 00007 * provided that the above copyright notice appear in all copies and 00008 * that both that copyright notice and this permission notice appear 00009 * in supporting documentation. Erwin Coumans makes no 00010 * representations about the suitability of this software for any 00011 * purpose. It is provided "as is" without express or implied warranty. 00012 * 00013 */ 00014 00015 #if !defined _ERRORVALUE_H 00016 #define _ERRORVALUE_H 00017 00018 #include "Value.h" 00019 00020 class CErrorValue : public CPropValue 00021 { 00022 00023 public: 00024 virtual const CCString & GetText(); 00025 virtual float GetNumber(); 00026 CErrorValue(); 00027 CErrorValue(CCString errmsg); 00028 virtual ~CErrorValue(); 00029 virtual CValue* Calc(VALUE_OPERATOR op, CValue* val); 00030 virtual CValue* CalcFinal(VALUE_DATA_TYPE dtype, VALUE_OPERATOR op, CValue *val); 00031 virtual CValue* GetReplica() { 00032 // who would want a copy of an error ? 00033 trace ("Error: ErrorValue::GetReplica() not implemented yet"); 00034 assertd(false); 00035 return NULL; 00036 }; 00037 00038 00039 private: 00040 CCString m_strErrorText; 00041 }; 00042 00043 #endif // !defined _ERRORVALUE_H