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/*
libparted - a library for manipulating disk partitions
Copyright (C) 1999-2000, 2007, 2009-2011 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
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, see <http://www.gnu.org/licenses/>.
*/
/**
* \addtogroup PedException
* @{
*/
/** \file exception.h */
#ifndef PED_EXCEPTION_H_INCLUDED
#define PED_EXCEPTION_H_INCLUDED
typedef struct _PedException PedException;
/**
* Exception type
*/
enum _PedExceptionType {
PED_EXCEPTION_INFORMATION=1,
PED_EXCEPTION_WARNING=2,
PED_EXCEPTION_ERROR=3,
PED_EXCEPTION_FATAL=4,
PED_EXCEPTION_BUG=5,
PED_EXCEPTION_NO_FEATURE=6,
};
typedef enum _PedExceptionType PedExceptionType;
/**
* Option for resolving the exception
*/
enum _PedExceptionOption {
PED_EXCEPTION_UNHANDLED=0,
PED_EXCEPTION_FIX=1,
PED_EXCEPTION_YES=2,
PED_EXCEPTION_NO=4,
PED_EXCEPTION_OK=8,
PED_EXCEPTION_RETRY=16,
PED_EXCEPTION_IGNORE=32,
PED_EXCEPTION_CANCEL=64,
};
typedef enum _PedExceptionOption PedExceptionOption;
#define PED_EXCEPTION_OK_CANCEL (PED_EXCEPTION_OK + PED_EXCEPTION_CANCEL)
#define PED_EXCEPTION_YES_NO (PED_EXCEPTION_YES + PED_EXCEPTION_NO)
#define PED_EXCEPTION_YES_NO_CANCEL (PED_EXCEPTION_YES_NO \
+ PED_EXCEPTION_CANCEL)
#define PED_EXCEPTION_IGNORE_CANCEL (PED_EXCEPTION_IGNORE \
+ PED_EXCEPTION_CANCEL)
#define PED_EXCEPTION_RETRY_CANCEL (PED_EXCEPTION_RETRY + PED_EXCEPTION_CANCEL)
#define PED_EXCEPTION_RETRY_IGNORE_CANCEL (PED_EXCEPTION_RETRY \
+ PED_EXCEPTION_IGNORE_CANCEL)
#define PED_EXCEPTION_OPTION_FIRST PED_EXCEPTION_FIX
#define PED_EXCEPTION_OPTION_LAST PED_EXCEPTION_CANCEL
/**
* Structure with information about exception
*/
struct _PedException {
char* message; /**< text describing what the event was */
PedExceptionType type; /**< type of exception */
PedExceptionOption options; /**< ORed list of options that
the exception handler can
return (the ways an exception
can be resolved) */
};
typedef PedExceptionOption (PedExceptionHandler) (PedException* ex);
extern int ped_exception; /* set to true if there's an exception */
extern char* ped_exception_get_type_string (PedExceptionType ex_type);
extern char* ped_exception_get_option_string (PedExceptionOption ex_opt);
extern void ped_exception_set_handler (PedExceptionHandler* handler);
extern PedExceptionHandler *ped_exception_get_handler(void);
extern PedExceptionOption ped_exception_default_handler (PedException* ex);
extern PedExceptionOption ped_exception_throw (PedExceptionType ex_type,
PedExceptionOption ex_opt,
const char* message,
...);
/* rethrows an exception - i.e. calls the exception handler, (or returns a
code to return to pass up higher) */
extern PedExceptionOption ped_exception_rethrow ();
/* frees an exception, indicating that the exception has been handled.
Calling an exception handler counts. */
extern void ped_exception_catch ();
/* indicate that exceptions should not go to the exception handler, but passed
up to the calling function(s) */
extern void ped_exception_fetch_all ();
/* indicate that exceptions should invoke the exception handler */
extern void ped_exception_leave_all ();
#endif /* PED_EXCEPTION_H_INCLUDED */
/** @} */
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