www.pudn.com > dstile-0.2.rar > exceptions.h

#define IMPLEMENT_EXCEPTION(name) \
public:\
name() {\
}\
\
name(char* format, ...) {\
    char tmp[1024];\
    va_list va;\
\
    va_start(va, format);\
    vsnprintf(tmp, sizeof(tmp), format, va);\
    va_end(va);\
    m_class = #name;\
    m_errorMsg = tmp;\
}\
protected:

class Exception {
IMPLEMENT_EXCEPTION(Exception);
public:
    void Print() {
	fprintf(stderr, "%s: %s\n", m_class.c_str(), m_errorMsg.c_str());
    }
    
protected:
    string m_class;
    string m_errorMsg;
};

class InvalidInput : public Exception {
IMPLEMENT_EXCEPTION(InvalidInput);
};

class SystemException : public Exception {
IMPLEMENT_EXCEPTION(SystemException);
};

class GDALException : public Exception {
IMPLEMENT_EXCEPTION(GDALException);
};

inline string ErrnoToString(const int e) {
//    char tmp[1024];
//    if (strerror_r(e, tmp, sizeof(tmp))) snprintf(tmp, sizeof(tmp), "strerror_r failed for error code %d", e);
    return string(strerror(e));
}