Class Error

include/Error.h:37–88

namespace util
{
	class Error : public std::exception
	{
		public:

			Error(const char *method_, char *message_)
			{
				init(method_, message_, -1);
			}

			Error(const char *method_, const char *message_)
			{
				init(method_, (char *)message_, -1);
			}

			Error(const char *method_, char *message_, int line)
			{
				init(method_, message_, line);
			}

			Error(const char *method_, const char *message_, int line)
			{
				init(method_, (char *)message_, line);
			}

			void init(const char *method_, char *message_, int line)
			{
				message[0] = 0;
				if(line >= 1) snprintf(message, MLEN + 1, "%d: ", line);
				if(!method_) method_ = "(Unknown error location)";
				method = method_;
				if(message_)
					strncpy(&message[strlen(message)], message_, MLEN - strlen(message));
			}

			Error(void) : method(NULL) { message[0] = 0; }

			operator bool() { return method != NULL && message[0] != 0; }
			Error &operator= (const std::exception &e)
			{
				method = GET_METHOD(e);
				strncpy(message, e.what(), MLEN);
				return *this;
			}

			const char *getMethod(void) { return method; }
			virtual const char *what(void) const throw() { return message; }

		protected:

			static const int MLEN = 256;
			const char *method;  char message[MLEN + 1];
	};
}