initial import

Util/src/ConfigurationMapper.cpp

@@ -0,0 +1,115 @@
+//
+// ConfigurationMapper.cpp
+//
+// $Id: //poco/1.1.0/Util/src/ConfigurationMapper.cpp#2 $
+//
+// Library: Util
+// Package: Configuration
+// Module:  ConfigurationMapper
+//
+// 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 "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