libkdenetwork Library API Documentation

dataprovider.h

00001 /* interface/dataprovider.h - Interface for data sources 00002 Copyright (C) 2003 Klarälvdalens Datakonsult AB 00003 00004 This file is part of GPGME++. 00005 00006 GPGME++ is free software; you can redistribute it and/or modify it 00007 under the terms of the GNU General Public License as published by 00008 the Free Software Foundation; either version 2 of the License, or 00009 (at your option) any later version. 00010 00011 GPGME++ is distributed in the hope that it will be useful, but 00012 WITHOUT ANY WARRANTY; without even the implied warranty of 00013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00014 General Public License for more details. 00015 00016 You should have received a copy of the GNU General Public License 00017 along with GPGME; if not, write to the Free Software Foundation, 00018 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307 USA. 00019 */ 00020 00021 #ifndef __GPGMEPP_INTERFACES_DATAPROVIDER_H__ 00022 #define __GPGMEPP_INTERFACES_DATAPROVIDER_H__ 00023 00024 #include <sys/types.h> 00025 00026 namespace GpgME { 00027 00028 class DataProvider { 00029 public: 00030 virtual ~DataProvider() {} 00031 00032 enum Operation { 00033 Read, Write, Seek, Release 00034 }; 00035 virtual bool isSupported( Operation op ) const = 0; 00036 00037 00038 virtual ssize_t read( void * buffer, size_t bufSize ) = 0; 00039 virtual ssize_t write( const void * buffer, size_t bufSize ) = 0; 00040 virtual off_t seek( off_t offset, int whence ) = 0; 00041 virtual void release() = 0; 00042 }; 00043 00044 } // namespace GpgME 00045 00046 #endif // __GPGMEPP_INTERFACES_DATAPROVIDER_H__
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This file is part of the documentation for libkdenetwork Library Version 3.3.0.
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