hexbinarydecoder.cpp

This software aims to create an applet and panel tools to manage a wireless interface card, such as

//
// HexBinaryDecoder.cpp
//
// $Id: //poco/Main/Foundation/src/HexBinaryDecoder.cpp#5 $
//
// Copyright (c) 2004, Guenter Obiltschnig/Applied Informatics.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// 1. Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
//    notice, this list of conditions and the following disclaimer in the
//    documentation and/or other materials provided with the distribution.
//
// 3. Redistributions in any form must be accompanied by information on
//    how to obtain complete source code for this software and any
//    accompanying software that uses this software.  The source code
//    must either be included in the distribution or be available for no
//    more than the cost of distribution plus a nominal fee, and must be
//    freely redistributable under reasonable conditions.  For an
//    executable file, complete source code means the source code for all
//    modules it contains.  It does not include source code for modules or
//    files that typically accompany the major components of the operating
//    system on which the executable file runs.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//


#include "Foundation/HexBinaryDecoder.h"
#include "Foundation/Exception.h"


Foundation_BEGIN


HexBinaryDecoderBuf::HexBinaryDecoderBuf(std::istream& istr): _istr(istr)
{
}


HexBinaryDecoderBuf::~HexBinaryDecoderBuf()
{
}


int HexBinaryDecoderBuf::readFromDevice()
{
	int c;
	int n;
	if ((n = readOne()) == -1) return -1;
	if (n >= '0' && n <= '9')
		c = n - '0';
	else if (n >= 'A' && n <= 'F')
		c = n - 'A' + 10;
	else if (n >= 'a' && n <= 'f')
		c = n - 'a' + 10;
	else throw DataFormatException();
	c <<= 4;
	if ((n = readOne()) == -1) return -1;
	if (n >= '0' && n <= '9')
		c |= n - '0';
	else if (n >= 'A' && n <= 'F')
		c |= n - 'A' + 10;
	else if (n >= 'a' && n <= 'f')
		c |= n - 'a' + 10;
	else throw DataFormatException();
	return c;
}


int HexBinaryDecoderBuf::readOne()
{
	int ch = _istr.get();
	while (ch == ' ' || ch == '\r' || ch == '\t' || ch == '\n')
		ch = _istr.get();
	return ch;
}


HexBinaryDecoderIOS::HexBinaryDecoderIOS(std::istream& istr): _buf(istr)
{
	init(&_buf);
}


HexBinaryDecoderIOS::~HexBinaryDecoderIOS()
{
}


HexBinaryDecoderBuf* HexBinaryDecoderIOS::rdbuf()
{
	return &_buf;
}


HexBinaryDecoder::HexBinaryDecoder(std::istream& istr): HexBinaryDecoderIOS(istr), std::istream(&_buf)
{
}


HexBinaryDecoder::~HexBinaryDecoder()
{
}


Foundation_END