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/*
* Copyright (C) 2009 Intel Corporation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) version 3.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#ifndef INCL_SYNCEVO_MULTIPLEX_CONFIG_NODE
# define INCL_SYNCEVO_MULTIPLEX_CONFIG_NODE
#include <syncevo/declarations.h>
#include <syncevo/ConfigNode.h>
#include <syncevo/SyncConfig.h>
SE_BEGIN_CXX
/**
* Joins properties from the different nodes that might be used by a
* SyncConfig or SyncSourceConfig (global/shared/not shared,
* hidden/user-visible) and presents them as one node. Reading takes
* the union of all set properties. Writing is directed to the
* node for which the property was registered.
*/
class MultiplexConfigNode : public FilterConfigNode
{
const std::string m_name;
boost::shared_ptr<FilterConfigNode> m_nodes[2][3];
const ConfigPropertyRegistry &m_registry;
bool m_havePeerNodes;
int m_hiddenLower, m_hiddenUpper;
FilterConfigNode *getNode(const std::string &property,
const ConfigProperty **prop = NULL) const;
public:
/** join both hidden and user-visible properties */
MultiplexConfigNode(const std::string &name,
const ConfigPropertyRegistry ®istry) :
FilterConfigNode(boost::shared_ptr<ConfigNode>()),
m_name(name),
m_registry(registry),
m_havePeerNodes(true),
m_hiddenLower(0), m_hiddenUpper(1) {}
/** only join hidden or user-visible properties */
MultiplexConfigNode(const std::string &name,
const ConfigPropertyRegistry ®istry,
bool hidden) :
FilterConfigNode(boost::shared_ptr<ConfigNode>()),
m_name(name),
m_registry(registry),
m_havePeerNodes(true),
m_hiddenLower(hidden), m_hiddenUpper(hidden) {}
/** true when peer nodes are used (default), false when they are dummy nodes */
bool getHavePeerNodes() const { return m_havePeerNodes; }
void setHavePeerNodes(bool havePeerNodes) { m_havePeerNodes = havePeerNodes; }
/** configure the nodes to use */
void setNode(bool hidden, ConfigProperty::Sharing sharing,
const boost::shared_ptr<FilterConfigNode> &node) {
m_nodes[hidden][sharing] = node;
}
void setNode(bool hidden, ConfigProperty::Sharing sharing,
const boost::shared_ptr<ConfigNode> &node) {
m_nodes[hidden][sharing].reset(new FilterConfigNode(node));
}
virtual void addFilter(const std::string &property,
const InitStateString &value);
virtual void setFilter(const ConfigFilter &filter);
virtual std::string getName() const { return m_name; }
virtual void flush();
virtual InitStateString readProperty(const std::string &property) const;
virtual void writeProperty(const std::string &property,
const InitStateString &value,
const std::string &comment = std::string(""));
virtual void readProperties(PropsType &props) const;
/*
* removing or clearing something is not implemented because it is
* not certain what should be deleted: only properties which are
* not shared?!
*/
virtual void removeProperty(const std::string &property);
virtual void clear();
/**
* true if any of the nodes exists
*/
virtual bool exists() const;
};
SE_END_CXX
#endif // INCL_SYNCEVO_MULTIPLEX_CONFIG_NODE
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