comm_exception.h

一个串口类

/*****************************************************************************
* Copyright(c) 2003-2005, C2217 Studio
* 
* Name of the File:			comm_exception.h
* Summary:					
standerd exception that can get throwing position 
and catching position like exception in .NET 
* Current Version:			1.2
* Author:					DengYangjun
* Email:					[e-mail]
* Created Date:			April 30, 2005
* Finished Date:			July  13, 2005
*
* Substitutional Version:		
* Note:
			1.You can use it freely, but reserve the copyright 
			and the author information
* History:		
* Modify Date:				2005-5-9
*							version 1.1
*							Support MFC and Get Error message
* Modify Date:				2005-7-13
*							version 1.2
*							Rename as comm_exception, it is can used in STD C++
*							2005-8-16
*							Add Error Code and macro THROW_MY_CODE
*							
******************************************************************************/
#pragma  once

#ifndef	IBMS_STDLIB_COMM_EXCEPTION
#define	IBMS_STDLIB_COMM_EXCEPTION

#include <exception>
#include <string>
#include <ostream>
#include <iomanip>
using namespace std;

namespace C2217
{
namespace StdLib
{
class  comm_exception
	:public exception
{
public:
	comm_exception(string what, string throw_file="", 
		string throw_function="", int throw_line=-1)
		:m_what(what),m_throw_file(throw_file),
		m_throw_function(throw_function),m_throw_line(throw_line),m_catch_line(-1),
		m_error_code(-1){}

	comm_exception(int code,string what="", string throw_file="", 
			string throw_function="", int throw_line=-1)
			:m_what(what),m_throw_file(throw_file),
			m_throw_function(throw_function),m_throw_line(throw_line),m_catch_line(-1),
			m_error_code(code){}
	
	virtual ~comm_exception(void){}

	virtual const char *what() const throw () { return m_what.c_str(); }

	inline const char *get_throw_file() const 
	{
		return m_throw_file.c_str();
	}
	inline const char *get_throw_function() const
	{
		return m_throw_function.c_str();
	}
	inline int  get_throw_line() const
	{
		return m_throw_line;
	}
	inline void set_catch_file(const char *catch_file)
	{
		m_catch_file = catch_file;
	}
	inline void set_catch_function(const char *catch_function)
	{
		m_catch_function = catch_function;
	}
	inline void set_catch_line(int catch_line)
	{
		m_catch_line = catch_line;
	}
	inline const char *get_catch_file() const 
	{
		return m_catch_file.c_str();
	}
	inline const char *get_catch_function() const 
	{
		return m_catch_function.c_str();
	}
	inline int get_catch_line() const 
	{
		return m_catch_line;
	}
	inline int get_error_code() const
	{
		return m_error_code;
	}

	string str() const;

protected:
	string m_what;
	string m_throw_file;
	string m_throw_function;
	int m_throw_line;

	string m_catch_file;
	string m_catch_function;
	int m_catch_line;
	int m_error_code;
}; //end of class comm_exception

//override  operator << for class type comm_exception
ostream & operator << (ostream &out, const comm_exception & e);

//throw a comm_exception that contains throw position information
#define THROW_EX(what) \
	throw comm_exception(what, __FILE__,__FUNCTION__,__LINE__);

//throw a comm_exception that contians a error code
#define THROW_MY_CODE(errorCode) \
	throw comm_exception((errorCode), "", __FILE__, __FUNCTION__, __LINE__ );

//throw a comm_exception that conts a error code and what 
#define THROW_MY_CODE0(errorCode,what) \
	throw comm_exception((errorCode), what,__FILE__, __FUNCTION__, __LINE__ );

//throw a exception that derived from comm_exception
#define THROW_EX_TYPE(type, what) \
	throw type(what, __FILE__,__FUNCTION__,__LINE__);

//throw a comm_exception that contians a error code
#define THROW_MY_CODE_TYPE(type,errorCode) \
	throw type((errorCode), "", __FILE__, __FUNCTION__, __LINE__ );

//throw a exception that derived from comm_exception
#define THROW_MY_CODE0_TYPE(type,errorCode,what) \
	throw type((errorCode), what,__FILE__, __FUNCTION__, __LINE__ );

//set the position information of catching the comm_exception 
#define SET_CATCH_POS(comm_ex) \
	comm_ex.set_catch_file(__FILE__);\
	comm_ex.set_catch_function(__FUNCTION__);\
	comm_ex.set_catch_line(__LINE__);

#ifdef _DEBUG
#define DEBUG_ONLY(f)      (f)
#else 
#define DEBUG_ONLY(f)      ((void)0)
#endif

} //End of namespace C2217
} //End of namespace StdLib
#endif