//
// OptionSet.cpp
//
// $Id: //poco/Main/Util/src/OptionSet.cpp#1 $
//
// Copyright (c) 2004-2005, 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 "Util/OptionSet.h"
#include "Util/OptionException.h"
#include "Foundation/Exception.h"


Util_BEGIN


OptionSet::OptionSet()
{
}


OptionSet::OptionSet(const OptionSet& options):
	_options(options._options)
{
}


OptionSet::~OptionSet()
{
}


OptionSet& OptionSet::operator = (const OptionSet& options)
{
	if (&options != this)
		_options = options._options;
	return *this;
}


void OptionSet::addOption(const Option& option)
{
	poco_assert (!option.fullName().empty());

	_options.push_back(option);
}


bool OptionSet::hasOption(const std::string& name, bool matchShort) const
{
	bool found = false;
	for (Iterator it = _options.begin(); it != _options.end(); ++it)
	{
		if (matchShort && it->matchesShort(name) || !matchShort && it->matchesFull(name))
		{
			if (!found)
				found = true;
			else
				return false;
		}
	}
	return found;
}

	
const Option& OptionSet::getOption(const std::string& name, bool matchShort) const
{
	const Option* pOption = 0;
	for (Iterator it = _options.begin(); it != _options.end(); ++it)
	{
		if (matchShort && it->matchesShort(name) || !matchShort && it->matchesFull(name))
		{
			if (!pOption)
				pOption = &*it;
			else
				throw AmbiguousOptionException(name);
		}
	}
	if (pOption)
		return *pOption;
	else
		throw UnknownOptionException(name);
}


OptionSet::Iterator OptionSet::begin() const
{
	return _options.begin();
}


OptionSet::Iterator OptionSet::end() const
{
	return _options.end();
}


Util_END