65 lines
1.9 KiB
C++
65 lines
1.9 KiB
C++
//
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// VMime library (http://www.vmime.org)
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// Copyright (C) 2002-2012 Vincent Richard <vincent@vincent-richard.net>
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 3 of
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// the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this program; if not, write to the Free Software Foundation, Inc.,
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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//
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// Linking this library statically or dynamically with other modules is making
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// a combined work based on this library. Thus, the terms and conditions of
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// the GNU General Public License cover the whole combination.
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//
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#ifndef VMIME_UTILITY_SEEKABLEINPUTSTREAM_HPP_INCLUDED
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#define VMIME_UTILITY_SEEKABLEINPUTSTREAM_HPP_INCLUDED
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#include "vmime/utility/inputStream.hpp"
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namespace vmime {
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namespace utility {
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/** An input stream that allows seeking within the input.
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*/
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class seekableInputStream : public inputStream
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{
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public:
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/** Returns the current position in this stream.
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*
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* @return the offset from the beginning of the stream, in bytes,
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* at which the next read occurs
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*/
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virtual size_type getPosition() const = 0;
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/** Sets the position, measured from the beginning of this stream,
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* at which the next read occurs.
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*
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* @param pos the offset position, measured in bytes from the
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* beginning of the stream, at which to set the stream pointer.
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*/
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virtual void seek(const size_type pos) = 0;
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};
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} // utility
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} // vmime
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#endif // VMIME_UTILITY_SEEKABLEINPUTSTREAM_HPP_INCLUDED
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