89 lines
3.3 KiB
C
89 lines
3.3 KiB
C
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/****************************************************************************
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**
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** Copyright (c) 2008-2020 C.B. Barber. All rights reserved.
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** $Id: //main/2019/qhull/src/libqhullcpp/RoadError.h#7 $$Change: 2959 $
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** $DateTime: 2020/05/28 22:25:29 $$Author: bbarber $
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**
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****************************************************************************/
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#ifndef ROADERROR_H
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#define ROADERROR_H
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#include "libqhull_r/user_r.h" /* for QHULL_CRTDBG */
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#include "libqhullcpp/RoadLogEvent.h"
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#include <iostream>
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#include <sstream>
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#include <stdexcept>
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#include <string>
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using std::endl;
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namespace orgQhull {
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#//!\name Defined here
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//! RoadError -- Report and log errors
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//! See discussion in Saylan, G., "Practical C++ error handling in hybrid environments," Dr. Dobb's Journal, p. 50-55, March 2007.
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//! He uses an auto_ptr to track a stringstream. It constructs a string on the fly. RoadError uses the copy constructor to transform RoadLogEvent into a string
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class RoadError;
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class RoadError : public std::exception {
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private:
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#//!\name Fields
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int error_code; //! Non-zero code (not logged), maybe returned as program status
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RoadLogEvent log_event; //! Format string w/ arguments
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mutable std::string error_message; //! Formated error message. Must be after log_event.
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#//!\name Class fields
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static const char * ROADtag;
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static std::ostringstream global_log; //!< May be replaced with any ostream object
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//!< Not reentrant -- only used by RoadError::logErrorLastResort()
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public:
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#//!\name Constants
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#//!\name Constructors
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RoadError();
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RoadError(const RoadError &other); //! Called on throw, generates error_message
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RoadError(int code, const std::string &message);
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RoadError(int code, const char *fmt);
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RoadError(int code, const char *fmt, int d);
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RoadError(int code, const char *fmt, int d, int d2);
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RoadError(int code, const char *fmt, int d, int d2, float f);
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RoadError(int code, const char *fmt, int d, int d2, float f, const char *s);
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RoadError(int code, const char *fmt, int d, int d2, float f, const void *x);
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RoadError(int code, const char *fmt, int d, int d2, float f, int i);
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RoadError(int code, const char *fmt, int d, int d2, float f, long long i);
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RoadError(int code, const char *fmt, int d, int d2, float f, double e);
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RoadError & operator=(const RoadError &other);
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~RoadError() throw() {}
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#//!\name Class methods
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static void clearGlobalLog() { global_log.seekp(0); }
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static bool emptyGlobalLog() { return global_log.tellp()<=0; }
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static std::string stringGlobalLog() { return global_log.str(); }
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#//!\name Virtual
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virtual const char *what() const throw();
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#//!\name GetSet
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bool isValid() const { return log_event.isValid(); }
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int errorCode() const { return error_code; }
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// QH11021 FIX: should RoadError provide errorMessage(). Currently what()
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RoadLogEvent roadLogEvent() const { return log_event; }
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#//!\name Update
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void logErrorLastResort() const;
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};//class RoadError
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}//namespace orgQhull
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#//!\name Global
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inline std::ostream & operator<<(std::ostream &os, const orgQhull::RoadError &e) { return os << e.what(); }
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#endif // ROADERROR_H
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