Initial import.

1 files changed, 369 insertions, 0 deletions

diff --git a/src/contentHandler.cpp b/src/contentHandler.cpp
new file mode 100644
index 00000000..e33d0e5c
--- /dev/null
+++ b/src/contentHandler.cpp
@@ -0,0 +1,369 @@
+//
+// VMime library (http://vmime.sourceforge.net)
+// Copyright (C) 2002-2004 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 "contentHandler.hpp"
+
+
+namespace vmime
+{
+
+
+// No encoding = "binary" encoding
+const encoding contentHandler::NO_ENCODING(encodingTypes::BINARY);
+
+
+contentHandler::contentHandler()
+	: m_type(TYPE_NONE), m_encoding(NO_ENCODING), m_ownedStream(NULL), m_stream(NULL)
+{
+}
+
+
+contentHandler::contentHandler(const string& buffer, const vmime::encoding& enc)
+	: m_type(TYPE_STRING), m_encoding(enc), m_string(buffer),
+	  m_ownedStream(NULL), m_stream(NULL)
+{
+}
+
+
+contentHandler::~contentHandler()
+{
+}
+
+
+contentHandler::contentHandler(const contentHandler& cts)
+	: m_type(cts.m_type), m_encoding(cts.m_encoding), m_string(cts.m_string),
+	  m_ownedStream(const_cast <utility::smart_ptr <utility::inputStream>&>(cts.m_ownedStream)),
+	  m_stream(cts.m_stream), m_length(cts.m_length)
+{
+}
+
+
+contentHandler& contentHandler::operator=(const contentHandler& cts)
+{
+	m_type = cts.m_type;
+	m_encoding = cts.m_encoding;
+
+	m_string = cts.m_string;
+
+	m_ownedStream = const_cast <utility::smart_ptr <utility::inputStream>&>(cts.m_ownedStream);
+	m_stream = cts.m_stream;
+	m_length = cts.m_length;
+
+	return (*this);
+}
+
+
+void contentHandler::set(const utility::stringProxy& str, const vmime::encoding& enc)
+{
+	m_type = TYPE_STRING;
+	m_encoding = enc;
+
+	m_string = str;
+
+	m_ownedStream = NULL;
+	m_stream = NULL;
+}
+
+
+void contentHandler::set(const string& buffer, const vmime::encoding& enc)
+{
+	m_type = TYPE_STRING;
+	m_encoding = enc;
+
+	m_string.set(buffer);
+
+	m_ownedStream = NULL;
+	m_stream = NULL;
+}
+
+
+void contentHandler::set(const string& buffer, const string::size_type start,
+	const string::size_type end, const vmime::encoding& enc)
+{
+	m_type = TYPE_STRING;
+	m_encoding = enc;
+
+	m_string.set(buffer, start, end);
+
+	m_ownedStream = NULL;
+	m_stream = NULL;
+}
+
+
+void contentHandler::set(utility::inputStream* const is, const string::size_type length,
+	const bool own, const vmime::encoding& enc)
+{
+	m_type = TYPE_STREAM;
+	m_encoding = enc;
+
+	m_length = length;
+
+	if (own)
+	{
+		m_ownedStream = is;
+		m_stream = NULL;
+	}
+	else
+	{
+		m_ownedStream = NULL;
+		m_stream = is;
+	}
+
+	m_string.detach();
+}
+
+
+contentHandler& contentHandler::operator=(const string& buffer)
+{
+	set(buffer, NO_ENCODING);
+	return (*this);
+}
+
+
+void contentHandler::generate(utility::outputStream& os, const vmime::encoding& enc,
+	const string::size_type maxLineLength) const
+{
+	if (m_type == TYPE_NONE)
+		return;
+
+	// 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->properties()["maxlinelength"] = maxLineLength;
+
+			switch (m_type)
+			{
+			default:
+			{
+				// No data
+				break;
+			}
+			case TYPE_STRING:
+			{
+				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);
+
+				break;
+			}
+			case TYPE_STREAM:
+			{
+				utility::inputStream& in = const_cast <utility::inputStream&>
+					(*(m_stream ? m_stream : m_ownedStream.ptr()));
+
+				in.reset();  // may not work...
+
+				std::ostringstream oss;
+				utility::outputStreamAdapter tempOut(oss);
+
+				theDecoder->decode(in, tempOut);
+
+				string str = oss.str();
+				utility::inputStreamStringAdapter tempIn(str);
+
+				theEncoder->encode(tempIn, os);
+
+				break;
+			}
+
+			}
+		}
+		// No encoding to perform
+		else
+		{
+			switch (m_type)
+			{
+			default:
+			{
+				// No data
+				break;
+			}
+			case TYPE_STRING:
+			{
+				m_string.extract(os);
+				break;
+			}
+			case TYPE_STREAM:
+			{
+				utility::inputStream& in = const_cast <utility::inputStream&>
+					(*(m_stream ? m_stream : m_ownedStream.ptr()));
+
+				in.reset();  // may not work...
+
+				utility::bufferedStreamCopy(in, os);
+				break;
+			}
+
+			}
+		}
+	}
+	// Need to encode data before
+	else
+	{
+		utility::auto_ptr <encoder> theEncoder(enc.getEncoder());
+		theEncoder->properties()["maxlinelength"] = maxLineLength;
+
+		// Encode the contents
+		switch (m_type)
+		{
+		default:
+		{
+			// No data
+			break;
+		}
+		case TYPE_STRING:
+		{
+			utility::inputStreamStringProxyAdapter in(m_string);
+
+			theEncoder->encode(in, os);
+			break;
+		}
+		case TYPE_STREAM:
+		{
+			utility::inputStream& in = const_cast <utility::inputStream&>
+				(*(m_stream ? m_stream : m_ownedStream.ptr()));
+
+			in.reset();  // may not work...
+
+			theEncoder->encode(in, os);
+			break;
+		}
+
+		}
+	}
+}
+
+
+void contentHandler::extract(utility::outputStream& os) const
+{
+	if (m_type == TYPE_NONE)
+		return;
+
+	// No decoding to perform
+	if (!isEncoded())
+	{
+		switch (m_type)
+		{
+		default:
+		{
+			// No data
+			break;
+		}
+		case TYPE_STRING:
+		{
+			m_string.extract(os);
+			break;
+		}
+		case TYPE_STREAM:
+		{
+			utility::inputStream& in = const_cast <utility::inputStream&>
+				(*(m_stream ? m_stream : m_ownedStream.ptr()));
+
+			in.reset();  // may not work...
+
+			utility::bufferedStreamCopy(in, os);
+			break;
+		}
+
+		}
+	}
+	// Need to decode data
+	else
+	{
+		utility::auto_ptr <encoder> theDecoder(m_encoding.getEncoder());
+
+		switch (m_type)
+		{
+		default:
+		{
+			// No data
+			break;
+		}
+		case TYPE_STRING:
+		{
+			utility::inputStreamStringProxyAdapter in(m_string);
+
+			theDecoder->decode(in, os);
+			break;
+		}
+		case TYPE_STREAM:
+		{
+			utility::inputStream& in = const_cast <utility::inputStream&>
+				(*(m_stream ? m_stream : m_ownedStream.ptr()));
+
+			in.reset();  // may not work...
+
+			theDecoder->decode(in, os);
+			break;
+		}
+
+		}
+	}
+}
+
+
+const string::size_type contentHandler::length() const
+{
+	switch (m_type)
+	{
+	case TYPE_NONE: return (0);
+	case TYPE_STRING: return (m_string.length());
+	case TYPE_STREAM: return (m_length);
+	}
+
+	return (0);
+}
+
+
+const bool contentHandler::empty() const
+{
+	return (m_type == TYPE_NONE);
+}
+
+
+const bool contentHandler::isEncoded() const
+{
+	return (m_encoding != NO_ENCODING);
+}
+
+
+const vmime::encoding& contentHandler::encoding() const
+{
+	return (m_encoding);
+}
+
+
+} // vmime