text: //
  // WinRegistryConfiguration.cpp
  //
  // Library: Util
  // Package: Windows
  // Module:  WinRegistryConfiguration
  //
  // Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
  // and Contributors.
  //
  // SPDX-License-Identifier:	BSL-1.0
  //
  
  
  #include "Poco/Util/WinRegistryConfiguration.h"
  #include "Poco/Util/WinRegistryKey.h"
  #include "Poco/NumberFormatter.h"
  #include "Poco/NumberParser.h"
  #include "Poco/Exception.h"
  
  
  namespace Poco {
  namespace Util {
  
  
  WinRegistryConfiguration::WinRegistryConfiguration(const std::string& rootPath, REGSAM extraSam): _rootPath(rootPath), _extraSam(extraSam)
  {
  	// rootPath must end with backslash
  	if (!_rootPath.empty())
  	{
  		if (_rootPath[_rootPath.length() - 1] != '\\')
  			_rootPath += '\\';
  	}
  }
  
  
  WinRegistryConfiguration::~WinRegistryConfiguration()
  {
  }
  
  
  bool WinRegistryConfiguration::getRaw(const std::string& key, std::string& value) const
  {
  	std::string keyName;
  	std::string fullPath = _rootPath + convertToRegFormat(key, keyName);
  	WinRegistryKey aKey(fullPath, true, _extraSam);
  	bool exists = aKey.exists(keyName);
  	if (exists)
  	{
  		WinRegistryKey::Type type = aKey.type(keyName);
  
  		switch (type)
  		{
  		case WinRegistryKey::REGT_STRING:
  			value = aKey.getString(keyName);
  			break;
  		case WinRegistryKey::REGT_STRING_EXPAND:
  			value = aKey.getStringExpand(keyName);
  			break;
  		case WinRegistryKey::REGT_BINARY:
  			{
  				std::vector<char> tmp = aKey.getBinary(keyName);
  				value.assign(tmp.begin(), tmp.end());
  			}
  			break;
  		case WinRegistryKey::REGT_DWORD:
  			value = Poco::NumberFormatter::format(aKey.getInt(keyName));
  			break;
  #if defined(POCO_HAVE_INT64)
  		case WinRegistryKey::REGT_QWORD:
  			value = Poco::NumberFormatter::format(aKey.getInt64(keyName));
  			break;
  #endif
  		default:
  			exists = false;
  		}
  	}
  	return exists;
  }
  
  
  void WinRegistryConfiguration::setRaw(const std::string& key, const std::string& value)
  {
  	std::string keyName;
  	std::string fullPath = _rootPath + convertToRegFormat(key, keyName);
  	WinRegistryKey aKey(fullPath, false, _extraSam);
  	aKey.setString(keyName, value);
  }
  
  
  void WinRegistryConfiguration::enumerate(const std::string& key, Keys& range) const
  {
  	std::string keyName;
  	std::string fullPath = _rootPath + convertToRegFormat(key, keyName);
  	if (fullPath.empty())
  	{
  		// return all root level keys
  #if defined(_WIN32_WCE)
  		range.push_back("HKEY_CLASSES_ROOT");
  		range.push_back("HKEY_CURRENT_USER");
  		range.push_back("HKEY_LOCAL_MACHINE");
  		range.push_back("HKEY_USERS");
  #else
  		range.push_back("HKEY_CLASSES_ROOT");
  		range.push_back("HKEY_CURRENT_CONFIG");
  		range.push_back("HKEY_CURRENT_USER");
  		range.push_back("HKEY_LOCAL_MACHINE");
  		range.push_back("HKEY_PERFORMANCE_DATA");
  		range.push_back("HKEY_USERS");
  #endif
  	}
  	else
  	{
  		fullPath += '\\';
  		fullPath += keyName;
  		WinRegistryKey aKey(fullPath, true, _extraSam);
  		aKey.values(range);
  		aKey.subKeys(range);
  	}
  }
  
  
  void WinRegistryConfiguration::removeRaw(const std::string& /*key*/)
  {
  	throw Poco::NotImplementedException("Removing a key in a WinRegistryConfiguration");
  }
  
  
  std::string WinRegistryConfiguration::convertToRegFormat(const std::string& key, std::string& value) const
  {
  	std::size_t pos = key.rfind('.');
  	if (pos == std::string::npos)
  	{
  		value = key;
  		return std::string();
  	}
  	std::string prefix(key.substr(0,pos));
  	value = key.substr(pos + 1);
  	Poco::translateInPlace(prefix, ".", "\\");
  	return prefix;
  }
  
  
  } } // namespace Poco::Util
  