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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 <tdepimmacros.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__