token.cpp

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

//
// Token.cpp
//
// $Id: //poco/Main/Foundation/src/Token.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/Token.h"
#include "Foundation/NumberParser.h"
#include <ctype.h>


Foundation_BEGIN


Token::Token()
{
}


Token::~Token()
{
}


bool Token::start(char c, std::istream& istr)
{
	_value = c;
	return false;
}


void Token::finish(std::istream& istr)
{
}


Token::Class Token::tokenClass() const
{
	return INVALID_TOKEN;
}

		
const std::string& Token::tokenString() const
{
	return _value;
}


int Token::asInteger() const
{
	return NumberParser::parse(_value);
}


double Token::asFloat() const
{
	return NumberParser::parseFloat(_value);
}


char Token::asChar() const
{
	return _value.empty() ? 0 : _value[0];
}


InvalidToken::InvalidToken()
{
}


InvalidToken::~InvalidToken()
{
}


Token::Class InvalidToken::tokenClass() const
{
	return INVALID_TOKEN;
}


EOFToken::EOFToken()
{
}


EOFToken::~EOFToken()
{
}


Token::Class EOFToken::tokenClass() const
{
	return EOF_TOKEN;
}


WhitespaceToken::WhitespaceToken()
{
}


WhitespaceToken::~WhitespaceToken()
{
}


Token::Class WhitespaceToken::tokenClass() const
{
	return WHITESPACE_TOKEN;
}


bool WhitespaceToken::start(char c, std::istream& istr)
{
	if (isspace(c))
	{
		_value = c;
		return true;
	}
	return false;
}


void WhitespaceToken::finish(std::istream& istr)
{
	int c = istr.peek();
	while (isspace(c))
	{
		istr.get();
		_value += (char) c;
		c = istr.peek();
	}
}


Foundation_END