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