poco/Foundation/src/HexBinaryEncoder.cpp
2012-04-29 18:52:25 +00:00

140 lines
3.1 KiB
C++

//
// HexBinaryEncoder.cpp
//
// $Id: //poco/1.4/Foundation/src/HexBinaryEncoder.cpp#2 $
//
// Library: Foundation
// Package: Streams
// Module: HexBinary
//
// Copyright (c) 2004-2006, 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 "Poco/HexBinaryEncoder.h"
namespace Poco {
HexBinaryEncoderBuf::HexBinaryEncoderBuf(std::ostream& ostr):
_pos(0),
_lineLength(72),
_uppercase(0),
_buf(*ostr.rdbuf())
{
}
HexBinaryEncoderBuf::~HexBinaryEncoderBuf()
{
try
{
close();
}
catch (...)
{
}
}
void HexBinaryEncoderBuf::setLineLength(int lineLength)
{
_lineLength = lineLength;
}
int HexBinaryEncoderBuf::getLineLength() const
{
return _lineLength;
}
void HexBinaryEncoderBuf::setUppercase(bool flag)
{
_uppercase = flag ? 16 : 0;
}
int HexBinaryEncoderBuf::writeToDevice(char c)
{
static const int eof = std::char_traits<char>::eof();
static const char digits[] = "0123456789abcdef0123456789ABCDEF";
if (_buf.sputc(digits[_uppercase + ((c >> 4) & 0xF)]) == eof) return eof;
++_pos;
if (_buf.sputc(digits[_uppercase + (c & 0xF)]) == eof) return eof;
if (++_pos >= _lineLength && _lineLength > 0)
{
if (_buf.sputc('\n') == eof) return eof;
_pos = 0;
}
return charToInt(c);
}
int HexBinaryEncoderBuf::close()
{
sync();
return _buf.pubsync();
}
HexBinaryEncoderIOS::HexBinaryEncoderIOS(std::ostream& ostr): _buf(ostr)
{
poco_ios_init(&_buf);
}
HexBinaryEncoderIOS::~HexBinaryEncoderIOS()
{
}
int HexBinaryEncoderIOS::close()
{
return _buf.close();
}
HexBinaryEncoderBuf* HexBinaryEncoderIOS::rdbuf()
{
return &_buf;
}
HexBinaryEncoder::HexBinaryEncoder(std::ostream& ostr): HexBinaryEncoderIOS(ostr), std::ostream(&_buf)
{
}
HexBinaryEncoder::~HexBinaryEncoder()
{
}
} // namespace Poco