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/*
* HT Editor
* except.h
*
* Copyright (C) 1999-2002 Stefan Weyergraf (stefan@weyergraf.de)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __EXCEPT_H__
#define __EXCEPT_H__
#include <errno.h> // for IOException
#include "data.h"
/**
* A exception.
*/
class Exception: public Object {
public:
/* new */
virtual String & reason(String &result) const;
virtual int toString(char *buf, int buflen) const;
};
#define MSG_EXCEPTION_MAX_ERRSTR 256
/**
* A described exception.
*/
class MsgException: public Exception {
protected:
char estr[MSG_EXCEPTION_MAX_ERRSTR];
public:
MsgException(const char *errstr);
MsgException() {};
/* new */
virtual String &reason(String &result) const;
};
/**
* A formatted described exception.
*/
class MsgfException: public MsgException {
public:
MsgfException(const char *errstr, ...);
};
/**
* A I/O exception.
*/
class IOException: public Exception {
protected:
String errstr;
public:
int mPosixErrno;
IOException(int aPosixErrno);
/* new */
virtual String &reason(String &result) const;
};
class EOFException: public IOException {
public:
EOFException();
/* new */
virtual String &reason(String &result) const;
};
typedef Exception InternalException;
/**
* A exception, indicating a not-implemented function.
*/
class NotImplementedException: public InternalException {
protected:
String location;
public:
NotImplementedException(const String &filename, int line_number);
/* new */
virtual String &reason(String &result) const;
};
/**
* A exception, indicating a illegal argument.
*/
class IllegalArgumentException: public InternalException {
protected:
String location;
public:
IllegalArgumentException(const String &filename, int line_number);
/* new */
virtual String &reason(String &result) const;
};
/**
* An index out-of-bounds exception
*/
class IndexOutOfBoundsException: public InternalException {
protected:
String location;
public:
IndexOutOfBoundsException(const String &filename, int line_number);
/* new */
virtual String &reason(String &result) const;
};
/**
* A exception, indicating a illegal type-cast.
*/
class TypeCastException: public InternalException {
protected:
String aresult;
public:
TypeCastException(const String &cast_type, const String &obj_type);
/* new */
virtual String &reason(String &result) const;
};
#endif /* __EXCEPT_H__ */
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