intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 221 insertions, 0 deletions

diff --git a/contrib/libs/poco/Net/src/MailStream.cpp b/contrib/libs/poco/Net/src/MailStream.cpp
new file mode 100644
index 0000000000..8cd8fa44d8
--- /dev/null
+++ b/contrib/libs/poco/Net/src/MailStream.cpp
@@ -0,0 +1,221 @@
+//
+// MailStream.cpp
+//
+// Library: Net
+// Package: Mail
+// Module:  MailStream
+//
+// Copyright (c) 2005-2006, Applied Informatics Software Engineering GmbH.
+// and Contributors.
+//
+// SPDX-License-Identifier:	BSL-1.0
+//
+
+
+#include "Poco/Net/MailStream.h"
+
+
+namespace Poco {
+namespace Net {
+
+
+MailStreamBuf::MailStreamBuf(std::istream& istr):
+	_pIstr(&istr), 
+	_pOstr(0),
+	_state(ST_CR_LF)
+{
+}
+
+
+MailStreamBuf::MailStreamBuf(std::ostream& ostr):
+	_pIstr(0), 
+	_pOstr(&ostr),
+	_state(ST_CR_LF)
+{
+}
+
+
+MailStreamBuf::~MailStreamBuf()
+{
+}
+
+
+void MailStreamBuf::close()
+{
+	if (_pOstr && _state != ST_CR_LF_DOT_CR_LF)
+	{
+		if (!_buffer.empty())
+			_pOstr->write(_buffer.data(), (std::streamsize) _buffer.length());
+		if (_state != ST_CR_LF)
+			_pOstr->write("\r\n", 2);
+		_pOstr->write(".\r\n", 3);
+		_state = ST_CR_LF_DOT_CR_LF;
+	}
+}
+
+		
+int MailStreamBuf::readFromDevice()
+{
+	int c = std::char_traits<char>::eof();
+	if (!_buffer.empty())
+	{
+		c = _buffer[0];
+		_buffer.erase(0, 1);
+	}
+	else
+	{
+		c = readOne();
+		while (c != std::char_traits<char>::eof() && _state != ST_DATA && _state != ST_CR_LF_DOT_CR_LF)
+			c = readOne();
+		if (!_buffer.empty())
+		{
+			c = _buffer[0];
+			_buffer.erase(0, 1);
+		}
+	}
+	return c;
+}
+
+
+int MailStreamBuf::readOne()
+{
+	int c = std::char_traits<char>::eof();
+	if (_state != ST_CR_LF_DOT_CR_LF)
+	{
+		c = _pIstr->get();
+		switch (c)
+		{
+		case '\r':
+			if (_state == ST_CR_LF_DOT)
+				_state = ST_CR_LF_DOT_CR;
+			else
+				_state = ST_CR;
+			break;
+		case '\n':
+			if (_state == ST_CR)
+				_state = ST_CR_LF;
+			else if (_state == ST_CR_LF_DOT_CR)
+				_state = ST_CR_LF_DOT_CR_LF;
+			else
+				_state = ST_DATA;
+			break;
+		case '.':
+			if (_state == ST_CR_LF)
+				_state = ST_CR_LF_DOT;
+			else if (_state == ST_CR_LF_DOT)
+				_state = ST_CR_LF_DOT_DOT;
+			else
+				_state = ST_DATA;
+			break;
+		default:
+			_state = ST_DATA;
+		}
+		if (_state == ST_CR_LF_DOT_DOT)
+			_state = ST_DATA;
+		else if (_state == ST_CR_LF_DOT_CR_LF)
+			_buffer.resize(_buffer.size() - 2);
+		else if (c != std::char_traits<char>::eof())
+			_buffer += (char) c;
+	}
+	return c;
+}
+
+
+int MailStreamBuf::writeToDevice(char c)
+{
+	switch (c)
+	{
+	case '\r':
+		_state = ST_CR;
+		break;
+	case '\n':
+		if (_state == ST_CR)
+			_state = ST_CR_LF;
+		else
+			_state = ST_DATA;
+		break;
+	case '.':
+		if (_state == ST_CR_LF)
+			_state = ST_CR_LF_DOT;
+		else
+			_state = ST_DATA;
+		break;
+	default:
+		_state = ST_DATA;
+	}
+	if (_state == ST_DATA)
+	{
+		if (!_buffer.empty())
+		{
+			_pOstr->write(_buffer.data(), (std::streamsize) _buffer.length());
+			_buffer.clear();
+		}
+		_pOstr->put(c);
+	}
+	else if (_state == ST_CR_LF_DOT)
+	{
+		// buffer contains one or more CR-LF pairs
+		_pOstr->write(_buffer.data(), (std::streamsize) _buffer.length());
+		_pOstr->write("..", 2);
+		_state = ST_DATA;
+		_buffer.clear();
+	}
+	else _buffer += c;
+	return charToInt(c);
+}
+
+
+MailIOS::MailIOS(std::istream& istr): _buf(istr)
+{
+	poco_ios_init(&_buf);
+}
+
+
+MailIOS::MailIOS(std::ostream& ostr): _buf(ostr)
+{
+	poco_ios_init(&_buf);
+}
+
+
+MailIOS::~MailIOS()
+{
+}
+
+
+void MailIOS::close()
+{
+	_buf.close();
+}
+
+
+MailStreamBuf* MailIOS::rdbuf()
+{
+	return &_buf;
+}
+
+
+MailInputStream::MailInputStream(std::istream& istr): 
+	MailIOS(istr), 
+	std::istream(&_buf)
+{
+}
+
+
+MailInputStream::~MailInputStream()
+{
+}
+
+
+MailOutputStream::MailOutputStream(std::ostream& ostr): 
+	MailIOS(ostr), 
+	std::ostream(&_buf)
+{
+}
+
+
+MailOutputStream::~MailOutputStream()
+{
+}
+
+
+} } // namespace Poco::Net