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117 lines
3.5 KiB
C++
117 lines
3.5 KiB
C++
//
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// ConfigurationMapper.cpp
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//
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// $Id: //poco/1.2/Util/src/ConfigurationMapper.cpp#1 $
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//
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// Library: Util
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// Package: Configuration
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// Module: ConfigurationMapper
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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/ConfigurationMapper.h"
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namespace Poco {
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namespace Util {
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ConfigurationMapper::ConfigurationMapper(const std::string& fromPrefix, const std::string& toPrefix, AbstractConfiguration* pConfig):
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_fromPrefix(fromPrefix),
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_toPrefix(toPrefix),
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_pConfig(pConfig)
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{
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poco_check_ptr (pConfig);
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if (!_fromPrefix.empty()) _fromPrefix += '.';
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if (!_toPrefix.empty()) _toPrefix += '.';
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_pConfig->duplicate();
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}
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ConfigurationMapper::~ConfigurationMapper()
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{
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_pConfig->release();
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}
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bool ConfigurationMapper::getRaw(const std::string& key, std::string& value) const
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{
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std::string translatedKey = translateKey(key);
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return _pConfig->getRaw(translatedKey, value);
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}
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void ConfigurationMapper::setRaw(const std::string& key, const std::string& value)
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{
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std::string translatedKey = translateKey(key);
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_pConfig->setRaw(translatedKey, value);
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}
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void ConfigurationMapper::enumerate(const std::string& key, Keys& range) const
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{
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std::string cKey(key);
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if (!cKey.empty()) cKey += '.';
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std::string::size_type keyLen = cKey.length();
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if (keyLen < _toPrefix.length())
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{
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if (_toPrefix.compare(0, keyLen, cKey) == 0)
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{
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std::string::size_type pos = _toPrefix.find_first_of('.', keyLen);
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poco_assert_dbg(pos != std::string::npos);
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range.push_back(_toPrefix.substr(keyLen, pos - keyLen));
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}
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}
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else
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{
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std::string translatedKey;
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if (cKey == _toPrefix)
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{
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translatedKey = _fromPrefix;
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if (!translatedKey.empty())
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translatedKey.resize(translatedKey.length() - 1);
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}
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else translatedKey = translateKey(key);
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_pConfig->enumerate(translatedKey, range);
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}
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}
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std::string ConfigurationMapper::translateKey(const std::string& key) const
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{
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std::string result(key);
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if (result.compare(0, _toPrefix.size(), _toPrefix) == 0)
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result.replace(0, _toPrefix.size(), _fromPrefix);
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return result;
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}
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} } // namespace Poco::Util
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