initial import

Net/src/QuotedPrintableEncoder.cpp

@@ -0,0 +1,171 @@
+//
+// QuotedPrintableEncoder.cpp
+//
+// $Id: //poco/1.1.0/Net/src/QuotedPrintableEncoder.cpp#2 $
+//
+// Library: Net
+// Package: Messages
+// Module:  QuotedPrintableEncoder
+//
+// Copyright (c) 2005-2006, Applied Informatics Software Engineering GmbH.
+// and Contributors.
+//
+// Permission is hereby granted, free of charge, to any person or organization
+// obtaining a copy of the software and accompanying documentation covered by
+// this license (the "Software") to use, reproduce, display, distribute,
+// execute, and transmit the Software, and to prepare derivative works of the
+// Software, and to permit third-parties to whom the Software is furnished to
+// do so, all subject to the following:
+// 
+// The copyright notices in the Software and this entire statement, including
+// the above license grant, this restriction and the following disclaimer,
+// must be included in all copies of the Software, in whole or in part, and
+// all derivative works of the Software, unless such copies or derivative
+// works are solely in the form of machine-executable object code generated by
+// a source language processor.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
+// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
+// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
+// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+//
+
+
+#include "Net/QuotedPrintableEncoder.h"
+#include "Foundation/NumberFormatter.h"
+
+
+using Foundation::UnbufferedStreamBuf;
+using Foundation::NumberFormatter;
+
+
+Net_BEGIN
+
+
+QuotedPrintableEncoderBuf::QuotedPrintableEncoderBuf(std::ostream& ostr): 
+	_pending(-1),
+	_lineLength(0),
+	_ostr(ostr)
+{
+}
+
+
+QuotedPrintableEncoderBuf::~QuotedPrintableEncoderBuf()
+{
+	try
+	{
+		close();
+	}
+	catch (...)
+	{
+	}
+}
+
+
+int QuotedPrintableEncoderBuf::writeToDevice(char c)
+{
+	if (_pending != -1)
+	{
+		if (_pending == '\r' && c == '\n')
+			writeRaw((char) _pending);
+		else if (c == '\r' || c == '\n')
+			writeEncoded((char) _pending);
+		else
+			writeRaw((char) _pending);
+		_pending = -1;
+	}
+	if (c == '\t' || c == ' ')
+	{
+		_pending = charToInt(c);
+		return _pending;
+	}
+	else if (c == '\r' || c == '\n' || c > 32 && c < 127 && c != '=')
+	{
+		writeRaw(c);
+	}
+	else
+	{
+		writeEncoded(c);
+	}
+	return charToInt(c);
+}
+
+
+void QuotedPrintableEncoderBuf::writeEncoded(char c)
+{
+	if (_lineLength >= 73)
+	{
+		_ostr << "=\r\n";
+		_lineLength = 3;
+	}
+	else _lineLength += 3;
+	_ostr << '=' << NumberFormatter::formatHex((unsigned) charToInt(c), 2);
+}
+
+
+void QuotedPrintableEncoderBuf::writeRaw(char c)
+{
+	if (c == '\r' || c == '\n')
+	{
+		_ostr.put(c);
+		_lineLength = 0;
+	}
+	else if (_lineLength < 75)
+	{
+		_ostr.put(c);
+		++_lineLength;
+	}
+	else
+	{
+		_ostr << "=\r\n" << c;
+		_lineLength = 1;
+	}
+}
+
+
+int QuotedPrintableEncoderBuf::close()
+{
+	sync();
+	return _ostr ? 0 : -1;
+}
+
+
+QuotedPrintableEncoderIOS::QuotedPrintableEncoderIOS(std::ostream& ostr): _buf(ostr)
+{
+	poco_ios_init(&_buf);
+}
+
+
+QuotedPrintableEncoderIOS::~QuotedPrintableEncoderIOS()
+{
+}
+
+
+int QuotedPrintableEncoderIOS::close()
+{
+	return _buf.close();
+}
+
+
+QuotedPrintableEncoderBuf* QuotedPrintableEncoderIOS::rdbuf()
+{
+	return &_buf;
+}
+
+
+QuotedPrintableEncoder::QuotedPrintableEncoder(std::ostream& ostr): 
+	QuotedPrintableEncoderIOS(ostr), 
+	std::ostream(&_buf)
+{
+}
+
+
+QuotedPrintableEncoder::~QuotedPrintableEncoder()
+{
+}
+
+
+Net_END