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Diffstat (limited to 'vmime-master/src/vmime/streamContentHandler.hpp')
| -rw-r--r-- | vmime-master/src/vmime/streamContentHandler.hpp | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/vmime-master/src/vmime/streamContentHandler.hpp b/vmime-master/src/vmime/streamContentHandler.hpp new file mode 100644 index 0000000..6964a1c --- /dev/null +++ b/vmime-master/src/vmime/streamContentHandler.hpp @@ -0,0 +1,126 @@ +// +// VMime library (http://www.vmime.org) +// Copyright (C) 2002 Vincent Richard <vincent@vmime.org> +// +// This program 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 3 of +// the License, or (at your option) any later version. +// +// This program 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 this program; if not, write to the Free Software Foundation, Inc., +// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +// +// Linking this library statically or dynamically with other modules is making +// a combined work based on this library. Thus, the terms and conditions of +// the GNU General Public License cover the whole combination. +// + +#ifndef VMIME_STREAMCONTENTHANDLER_HPP_INCLUDED +#define VMIME_STREAMCONTENTHANDLER_HPP_INCLUDED + + +#include "vmime/contentHandler.hpp" + + +namespace vmime { + + +/** A content handler which obtains its data from a stream. + */ +class VMIME_EXPORT streamContentHandler : public contentHandler { + +public: + + /** Creates a new empty content handler. No data can be extracted until + * an input stream is set using setData() function. + * + * @return a reference to a new content handler + */ + streamContentHandler(); + + /** Creates a new content handler using an input stream. + * + * @param is input stream from which data will be obtained + * @param length expected stream length. May be zero, but it is highly + * recommended to set this parameter to take part of some optimizations + * and features (eg. SMTP CHUNKING/SIZE extension). + * @param enc set to anything other than NO_ENCODING if the data obtained + * from the stream is already encoded with the specified encoding + * + * @return a reference to a new content handler + */ + streamContentHandler( + const shared_ptr <utility::inputStream>& is, + const size_t length, + const vmime::encoding& enc = NO_ENCODING + ); + + ~streamContentHandler(); + + streamContentHandler(const streamContentHandler& cts); + streamContentHandler& operator=(const streamContentHandler& cts); + + shared_ptr <contentHandler> clone() const; + + /** Sets the data managed by this content handler. + * + * @param is input stream from which data will be obtained + * @param length expected stream length. May be zero, but it is highly + * recommended to set this parameter to take part of some optimizations + * and features (eg. SMTP CHUNKING/SIZE extension). + * @param enc set to anything other than NO_ENCODING if the data obtained + * from the stream is already encoded with the specified encoding + */ + void setData( + const shared_ptr <utility::inputStream>& is, + const size_t length, + const vmime::encoding& enc = NO_ENCODING + ); + + + void generate( + utility::outputStream& os, + const vmime::encoding& enc, + const size_t maxLineLength = lineLengthLimits::infinite + ) const; + + void extract(utility::outputStream& os, utility::progressListener* progress = NULL) const; + void extractRaw(utility::outputStream& os, utility::progressListener* progress = NULL) const; + + size_t getLength() const; + + bool isEncoded() const; + + const vmime::encoding& getEncoding() const; + + bool isEmpty() const; + + bool isBuffered() const; + + void setContentTypeHint(const mediaType& type); + const mediaType getContentTypeHint() const; + +private: + + mediaType m_contentType; + + // Equals to NO_ENCODING if data is not encoded, otherwise this + // specifies the encoding that have been used to encode the data. + vmime::encoding m_encoding; + + // Actual data + mutable shared_ptr <utility::inputStream> m_stream; + size_t m_length; +}; + + +} // vmime + + +#endif // VMIME_STREAMCONTENTHANDLER_HPP_INCLUDED |