libvips/cplusplus/include/vips/VError8.h

77 lines
1.8 KiB
C++

// Header for error type
/*
This file is part of VIPS.
VIPS is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA
*/
/*
These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
*/
#ifndef VIPS_VERROR_H
#define VIPS_VERROR_H
#include <cstring>
#include <ostream>
#include <exception>
#include <vips/vips.h>
VIPS_NAMESPACE_START
/**
* The libvips error class. It holds a single string containing an
* internationalized error message in utf-8 encoding.
*/
class VIPS_CPLUSPLUS_API VError : public std::exception {
std::string _what;
public:
/**
* Construct a VError, setting the error message.
*/
VError( const std::string &what ) : _what( what ) {}
/**
* Construct a VError, fetching the error message from the libvips
* error buffer.
*/
VError() : _what( vips_error_buffer() ) {}
virtual ~VError() throw() {}
/**
* Get a reference to the underlying C string.
*/
virtual const char *what() const throw() { return _what.c_str(); }
/**
* Print the error message to a stream.
*/
void ostream_print( std::ostream & ) const;
};
VIPS_NAMESPACE_END
#endif /*VIPS_VERROR_H*/