123 lines
3.8 KiB
C++
123 lines
3.8 KiB
C++
//
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// VMime library (http://www.vmime.org)
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// Copyright (C) 2002-2013 Vincent Richard <vincent@vmime.org>
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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_STREAMCONTENTHANDLER_HPP_INCLUDED
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#define VMIME_STREAMCONTENTHANDLER_HPP_INCLUDED
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#include "vmime/contentHandler.hpp"
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namespace vmime
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{
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/** A content handler which obtains its data from a stream.
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*/
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class VMIME_EXPORT streamContentHandler : public contentHandler
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{
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public:
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/** Creates a new empty content handler. No data can be extracted until
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* an input stream is set using setData() function.
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*
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* @return a reference to a new content handler
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*/
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streamContentHandler();
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/** Creates a new content handler using an input stream.
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*
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* @param is input stream from which data will be obtained
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* @param length expected stream length. May be zero, but it is highly
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* recommended to set this parameter to take part of some optimizations
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* and features (eg. SMTP CHUNKING/SIZE extension).
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* @param enc set to anything other than NO_ENCODING if the data obtained
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* from the stream is already encoded with the specified encoding
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*
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* @return a reference to a new content handler
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*/
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streamContentHandler
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(shared_ptr <utility::inputStream> is,
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const size_t length,
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const vmime::encoding& enc = NO_ENCODING);
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~streamContentHandler();
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streamContentHandler(const streamContentHandler& cts);
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streamContentHandler& operator=(const streamContentHandler& cts);
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shared_ptr <contentHandler> clone() const;
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/** Sets the data managed by this content handler.
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*
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* @param is input stream from which data will be obtained
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* @param length expected stream length. May be zero, but it is highly
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* recommended to set this parameter to take part of some optimizations
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* and features (eg. SMTP CHUNKING/SIZE extension).
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* @param enc set to anything other than NO_ENCODING if the data obtained
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* from the stream is already encoded with the specified encoding
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*/
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void setData
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(shared_ptr <utility::inputStream> is,
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const size_t length,
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const vmime::encoding& enc = NO_ENCODING);
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void generate(utility::outputStream& os, const vmime::encoding& enc, const size_t maxLineLength = lineLengthLimits::infinite) const;
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void extract(utility::outputStream& os, utility::progressListener* progress = NULL) const;
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void extractRaw(utility::outputStream& os, utility::progressListener* progress = NULL) const;
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size_t getLength() const;
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bool isEncoded() const;
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const vmime::encoding& getEncoding() const;
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bool isEmpty() const;
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bool isBuffered() const;
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void setContentTypeHint(const mediaType& type);
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const mediaType getContentTypeHint() const;
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private:
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mediaType m_contentType;
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// Equals to NO_ENCODING if data is not encoded, otherwise this
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// specifies the encoding that have been used to encode the data.
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vmime::encoding m_encoding;
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// Actual data
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mutable shared_ptr <utility::inputStream> m_stream;
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size_t m_length;
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};
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} // vmime
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#endif // VMIME_STREAMCONTENTHANDLER_HPP_INCLUDED
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