//
// ConfigurationView.cpp
//
// $Id: //poco/1.2/Util/src/ConfigurationView.cpp#1 $
//
// Library: Util
// Package: Configuration
// Module:  ConfigurationView
//
// 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/Util/ConfigurationView.h"


namespace Poco {
namespace Util {


ConfigurationView::ConfigurationView(const std::string& prefix, AbstractConfiguration* pConfig):
	_prefix(prefix),
	_pConfig(pConfig)
{
	poco_check_ptr (pConfig);

	_pConfig->duplicate();
}


ConfigurationView::~ConfigurationView()
{
	_pConfig->release();
}


bool ConfigurationView::getRaw(const std::string& key, std::string& value) const
{
	std::string translatedKey = translateKey(key);
	return _pConfig->getRaw(translatedKey, value) || _pConfig->getRaw(key, value);
}


void ConfigurationView::setRaw(const std::string& key, const std::string& value)
{
	std::string translatedKey = translateKey(key);
	_pConfig->setRaw(translatedKey, value); 
}


void ConfigurationView::enumerate(const std::string& key, Keys& range) const
{
	std::string translatedKey = translateKey(key);
	_pConfig->enumerate(translatedKey, range);
}


std::string ConfigurationView::translateKey(const std::string& key) const
{
	std::string result = _prefix;
	if (!result.empty() && !key.empty()) result += '.';
	result += key;
	return result;
}


} } // namespace Poco::Util