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Diffstat (limited to 'src/stringContentHandler.cpp')
| -rw-r--r-- | src/stringContentHandler.cpp | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/src/stringContentHandler.cpp b/src/stringContentHandler.cpp new file mode 100644 index 00000000..4c67756d --- /dev/null +++ b/src/stringContentHandler.cpp @@ -0,0 +1,192 @@ +// +// VMime library (http://vmime.sourceforge.net) +// Copyright (C) 2002-2005 Vincent Richard <[email protected]> +// +// 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 2 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., 675 Mass Ave, Cambridge, MA 02139, USA. +// + +#include "vmime/stringContentHandler.hpp" + + +namespace vmime +{ + + +stringContentHandler::stringContentHandler(const string& buffer, const vmime::encoding& enc) + : m_encoding(enc), m_string(buffer) +{ +} + + +stringContentHandler::stringContentHandler(const stringContentHandler& cts) + : contentHandler(), m_encoding(cts.m_encoding), m_string(cts.m_string) +{ +} + + +stringContentHandler::stringContentHandler(const utility::stringProxy& str, const vmime::encoding& enc) + : m_encoding(enc), m_string(str) +{ +} + + +stringContentHandler::stringContentHandler(const string& buffer, const string::size_type start, + const string::size_type end, const vmime::encoding& enc) + : m_encoding(enc), m_string(buffer, start, end) +{ +} + + +stringContentHandler::~stringContentHandler() +{ +} + + +contentHandler* stringContentHandler::clone() const +{ + return new stringContentHandler(*this); +} + + +stringContentHandler& stringContentHandler::operator=(const stringContentHandler& cts) +{ + m_encoding = cts.m_encoding; + m_string = cts.m_string; + + return (*this); +} + + +void stringContentHandler::setData(const utility::stringProxy& str, const vmime::encoding& enc) +{ + m_encoding = enc; + m_string = str; +} + + +void stringContentHandler::setData(const string& buffer, const vmime::encoding& enc) +{ + m_encoding = enc; + m_string.set(buffer); +} + + +void stringContentHandler::setData(const string& buffer, const string::size_type start, + const string::size_type end, const vmime::encoding& enc) +{ + m_encoding = enc; + m_string.set(buffer, start, end); +} + + +stringContentHandler& stringContentHandler::operator=(const string& buffer) +{ + setData(buffer, NO_ENCODING); + return (*this); +} + + +void stringContentHandler::generate(utility::outputStream& os, + const vmime::encoding& enc, const string::size_type maxLineLength) const +{ + // Managed data is already encoded + if (isEncoded()) + { + // The data is already encoded but the encoding specified for + // the generation is different from the current one. We need + // to re-encode data: decode from input buffer to temporary + // buffer, and then re-encode to output stream... + if (m_encoding != enc) + { + utility::auto_ptr <encoder> theDecoder(m_encoding.getEncoder()); + utility::auto_ptr <encoder> theEncoder(enc.getEncoder()); + + theEncoder->getProperties()["maxlinelength"] = maxLineLength; + + utility::inputStreamStringProxyAdapter in(m_string); + + std::ostringstream oss; + utility::outputStreamAdapter tempOut(oss); + + theDecoder->decode(in, tempOut); + + string str = oss.str(); + utility::inputStreamStringAdapter tempIn(str); + + theEncoder->encode(tempIn, os); + } + // No encoding to perform + else + { + m_string.extract(os); + } + } + // Need to encode data before + else + { + utility::auto_ptr <encoder> theEncoder(enc.getEncoder()); + theEncoder->getProperties()["maxlinelength"] = maxLineLength; + + utility::inputStreamStringProxyAdapter in(m_string); + + theEncoder->encode(in, os); + } +} + + +void stringContentHandler::extract(utility::outputStream& os) const +{ + // No decoding to perform + if (!isEncoded()) + { + m_string.extract(os); + } + // Need to decode data + else + { + utility::auto_ptr <encoder> theDecoder(m_encoding.getEncoder()); + + utility::inputStreamStringProxyAdapter in(m_string); + + theDecoder->decode(in, os); + } +} + + +const string::size_type stringContentHandler::getLength() const +{ + return (m_string.length()); +} + + +const bool stringContentHandler::isEmpty() const +{ + return (m_string.length() == 0); +} + + +const bool stringContentHandler::isEncoded() const +{ + return (m_encoding != NO_ENCODING); +} + + +const vmime::encoding& stringContentHandler::getEncoding() const +{ + return (m_encoding); +} + + +} // vmime |