libvips/cplusplus/include/vips/VError8.h

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// 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
*/
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#ifndef VIPS_VERROR_H
#define VIPS_VERROR_H
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#include <cstring>
#include <ostream>
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#include <exception>
#include <vips/vips.h>
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VIPS_NAMESPACE_START
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/**
* 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 {
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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.
*/
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VError() : _what( vips_error_buffer() ) {}
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virtual ~VError() throw() {}
/**
* Get a reference to the underlying C string.
*/
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virtual const char *what() const throw() { return _what.c_str(); }
/**
* Print the error message to a stream.
*/
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void ostream_print( std::ostream & ) const;
};
VIPS_NAMESPACE_END
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#endif /*VIPS_VERROR_H*/