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/* data.h - wraps a gpgme data object
Copyright (C) 2003,2004 Klarälvdalens Datakonsult AB
This file is part of GPGME++.
GPGME++ 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 2 of the License, or
(at your option) any later version.
GPGME++ 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 GPGME++; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef __GPGMEPP_DATA_H__
#define __GPGMEPP_DATA_H__
#include <gpgmepp/gpgmefw.h>
#include <sys/types.h> // for size_t, off_t
#include <cstdio> // FILE
#include <kdepimmacros.h>
namespace GpgME {
class DataProvider;
class Error;
class KDE_EXPORT Data {
public:
Data();
Data( gpgme_data_t data );
Data( const Data & other );
// Memory-Based Data Buffers:
Data( const char * buffer, size_t size, bool copy=true );
Data( const char * filename );
Data( const char * filename, off_t offset, size_t length );
Data( FILE * fp, off_t offset, size_t length );
// File-Based Data Buffers:
Data( FILE * fp );
Data( int fd );
// Callback-Based Data Buffers:
Data( DataProvider * provider );
virtual ~Data();
static Data null;
const Data & operator=( const Data & other );
bool isNull() const;
ssize_t read( void * buffer, size_t length );
ssize_t write( const void * buffer, size_t length );
off_t seek( off_t offset, int whence );
class Private;
Private * impl() const { return d; }
private:
Private * d;
};
}
#endif // __GPGMEPP_DATA_H__
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