ref: 36ac51109224df99ad0e96609d37d126864f51ff
dir: /common/id3lib/include/id3/error.h/
// $Id: error.h,v 1.1 2002/01/21 08:16:20 menno Exp $
// id3lib: a C++ library for creating and manipulating id3v1/v2 tags
// Copyright 1999, 2000 Scott Thomas Haug
// This library is free software; you can redistribute it and/or modify it
// under the terms of the GNU Library General Public License as published by
// the Free Software Foundation; either version 2 of the License, or (at your
// option) any later version.
//
// This library is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
// License for more details.
//
// You should have received a copy of the GNU Library General Public License
// along with this library; if not, write to the Free Software Foundation,
// Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
// The id3lib authors encourage improvements and optimisations to be sent to
// the id3lib coordinator. Please see the README file for details on where to
// send such submissions. See the AUTHORS file for a list of people who have
// contributed to id3lib. See the ChangeLog file for a list of changes to
// id3lib. These files are distributed with id3lib at
// http://download.sourceforge.net/id3lib/
#ifndef __ID3LIB_ERROR_H__
#define __ID3LIB_ERROR_H__
#include "globals.h"
/** When id3lib encounters a nasty error, it thros an exception of type
** ID3_Error. A function that calls an id3lib routine can place the call in a
** try block and provide an appropriate catch block.
**
** <pre>
** try
** {
** // call some id3lib routine
** ID3_Tag myTag("mySong.mp3");
** ID3_Frame *myFrame = NULL;
**
** // this will generate an exception
** myTag << myFrame;
** }
** catch (ID3_Error err)
** {
** // handle the error
** ...
** }</pre>
**/
class ID3_Error
{
public:
/** Returns the ID3_Err value, which represents the ID of the error
** that caused the exception.
**/
ID3_Err GetErrorID() const;
/** Returns the English string that defines the error type.
**
** Each error ID has a set string error type.
**/
char *GetErrorType() const;
/** Returns a string that gives more explanation as to what caused the
** exception, if enabled by the code that caused the exception.
**/
char *GetErrorDesc() const;
/** Returns a pointer to a string of characters that is the name
** of the id3lib source file that generated the exception.
**
** When submitting bug reports, it is useful to include the following.
**
** <pre>
** cout << "Exception in file '" << err.GetErrorFile() << "'" << endl;</pre>
**/
char *GetErrorFile() const;
/** Returns the line number in the id3lib source file that threw the
** exception.
**
** <pre>cout << "Line #" << err.GetErrorLine() << endl;</pre>
**/
size_t GetErrorLine() const;
/** Constructor
**
** @param eID Erroy id
** @param sFileName Filename where error occurred
** @param nLineNum Linenumber where error occurred
** @param sDescription Description of error
**/
ID3_Error(ID3_Err eID, const char *sFileName, size_t nLineNum,
const char *sDescription);
private:
ID3_Err __error;
size_t __line_num;
char *__file_name;
char *__description;
};
/** Shortcut macro for throwing an error without a description
**
** @param x The error id
**/
#define ID3_THROW(x) throw ID3_Error(x, __FILE__, __LINE__, "")
/** Shortcut macro for throwing an error with a description
**
** @param x The error id
** @param y The error description
**/
#define ID3_THROW_DESC(x, y) throw ID3_Error(x, __FILE__, __LINE__, y)
#endif /* __ID3LIB_ERROR_H__ */