src/tools/except.h

/* 
 *      HT Editor
 *      except.h
 *
 *      Copyright (C) 1999-2002 Stefan Weyergraf
 *
 *      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 "tools/data.h"
#include "tools/str.h"

/**
 *      A exception.
 */
class Exception {
public:
                                Exception() throw();
        virtual                 ~Exception();
/* new */
        virtual String &        reason(String &result) 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) throw();
                MsgException() throw();
/* new */
        virtual String &reason(String &result) const;
};

/**
 *      A formatted described exception.
 */
class MsgfException: public MsgException {
public:
                MsgfException(const char *errstr, ...) throw();
};

/**
 *      A I/O exception.
 */
class IOException: public Exception {
protected:
        String errstr;
public:
        int mPosixErrno;

                IOException(int aPosixErrno) throw();
        virtual ~IOException();
/* new */
        virtual String &reason(String &result) const;
};

class InternalException: public Exception {
public:
};

/**
 *      A exception, indicating a not-implemented function.
 */
class NotImplementedException: public InternalException {
protected:
        String  location;
public:
                NotImplementedException(const String &filename, int line_number) throw();
/* 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) throw();
/* 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) throw();
/* new */
        virtual String &reason(String &result) const;
};

#endif /* __EXCEPT_H__ */

1	/*
2	* HT Editor
3	* except.h
4	*
5	* Copyright (C) 1999-2002 Stefan Weyergraf
6	*
7	* This program is free software; you can redistribute it and/or modify
8	* it under the terms of the GNU General Public License version 2 as
9	* published by the Free Software Foundation.
10	*
11	* This program is distributed in the hope that it will be useful,
12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	* GNU General Public License for more details.
15	*
16	* You should have received a copy of the GNU General Public License
17	* along with this program; if not, write to the Free Software
18	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19	*/
20
21	#ifndef __EXCEPT_H__
22	#define __EXCEPT_H__
23
24	#include <errno.h> // for IOException
25
26	#include "tools/data.h"
27	#include "tools/str.h"
28
29	/**
30	* A exception.
31	*/
32	class Exception {
33	public:
34	Exception() throw();
35	virtual ~Exception();
36	/* new */
37	virtual String & reason(String &result) const;
38	};
39
40	#define MSG_EXCEPTION_MAX_ERRSTR 256
41
42	/**
43	* A described exception.
44	*/
45	class MsgException: public Exception {
46	protected:
47	char estr[MSG_EXCEPTION_MAX_ERRSTR];
48	public:
49	MsgException(const char *errstr) throw();
50	MsgException() throw();
51	/* new */
52	virtual String &reason(String &result) const;
53	};
54
55	/**
56	* A formatted described exception.
57	*/
58	class MsgfException: public MsgException {
59	public:
60	MsgfException(const char *errstr, ...) throw();
61	};
62
63	/**
64	* A I/O exception.
65	*/
66	class IOException: public Exception {
67	protected:
68	String errstr;
69	public:
70	int mPosixErrno;
71
72	IOException(int aPosixErrno) throw();
73	virtual ~IOException();
74	/* new */
75	virtual String &reason(String &result) const;
76	};
77
78	class InternalException: public Exception {
79	public:
80	};
81
82	/**
83	* A exception, indicating a not-implemented function.
84	*/
85	class NotImplementedException: public InternalException {
86	protected:
87	String location;
88	public:
89	NotImplementedException(const String &filename, int line_number) throw();
90	/* new */
91	virtual String &reason(String &result) const;
92	};
93
94	/**
95	* A exception, indicating a illegal argument.
96	*/
97	class IllegalArgumentException: public InternalException {
98	protected:
99	String location;
100	public:
101	IllegalArgumentException(const String &filename, int line_number) throw();
102	/* new */
103	virtual String &reason(String &result) const;
104	};
105
106	/**
107	* A exception, indicating a illegal type-cast.
108	*/
109	class TypeCastException: public InternalException {
110	protected:
111	String aresult;
112	public:
113	TypeCastException(const String &cast_type, const String &obj_type) throw();
114	/* new */
115	virtual String &reason(String &result) const;
116	};
117
118	#endif /* __EXCEPT_H__ */
119