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128 lines
3.3 KiB
C++
128 lines
3.3 KiB
C++
//
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// LayeredConfiguration.cpp
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//
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// $Id: //poco/1.2/Util/src/LayeredConfiguration.cpp#1 $
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//
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// Library: Util
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// Package: Configuration
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// Module: LayeredConfiguration
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//
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// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// Permission is hereby granted, free of charge, to any person or organization
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// obtaining a copy of the software and accompanying documentation covered by
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// this license (the "Software") to use, reproduce, display, distribute,
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// execute, and transmit the Software, and to prepare derivative works of the
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// Software, and to permit third-parties to whom the Software is furnished to
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// do so, all subject to the following:
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//
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// The copyright notices in the Software and this entire statement, including
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// the above license grant, this restriction and the following disclaimer,
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// must be included in all copies of the Software, in whole or in part, and
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// all derivative works of the Software, unless such copies or derivative
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// works are solely in the form of machine-executable object code generated by
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// a source language processor.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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#include "Poco/Util/LayeredConfiguration.h"
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#include "Poco/Exception.h"
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#include <set>
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using Poco::AutoPtr;
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using Poco::RuntimeException;
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namespace Poco {
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namespace Util {
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LayeredConfiguration::LayeredConfiguration()
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{
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}
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LayeredConfiguration::~LayeredConfiguration()
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{
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}
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void LayeredConfiguration::add(AbstractConfiguration* pConfig)
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{
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add(pConfig, true);
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}
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void LayeredConfiguration::add(AbstractConfiguration* pConfig, bool shared)
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{
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poco_check_ptr (pConfig);
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_configs.push_back(ConfigPtr(pConfig, shared));
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}
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void LayeredConfiguration::addFront(AbstractConfiguration* pConfig)
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{
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addFront(pConfig, true);
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}
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void LayeredConfiguration::addFront(AbstractConfiguration* pConfig, bool shared)
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{
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poco_check_ptr (pConfig);
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_configs.insert(_configs.begin(), ConfigPtr(pConfig, shared));
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}
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bool LayeredConfiguration::getRaw(const std::string& key, std::string& value) const
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{
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for (ConfigVec::const_iterator it = _configs.begin(); it != _configs.end(); ++it)
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{
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if ((*it)->getRaw(key, value))
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return true;
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}
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return false;
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}
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void LayeredConfiguration::setRaw(const std::string& key, const std::string& value)
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{
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if (!_configs.empty())
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_configs.back()->setRaw(key, value);
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else
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throw RuntimeException("No configuration object to store the property", key);
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}
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void LayeredConfiguration::enumerate(const std::string& key, Keys& range) const
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{
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std::set<std::string> keys;
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for (ConfigVec::const_iterator itc = _configs.begin(); itc != _configs.end(); ++itc)
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{
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Keys partRange;
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(*itc)->enumerate(key, partRange);
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for (Keys::const_iterator itr = partRange.begin(); itr != partRange.end(); ++itr)
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{
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if (keys.find(*itr) == keys.end())
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{
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range.push_back(*itr);
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keys.insert(*itr);
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}
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}
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}
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}
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} } // namespace Poco::Util
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