70 lines
2.4 KiB
C
70 lines
2.4 KiB
C
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/*
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* Copyright (C) 2003-2007 Funambol, Inc
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* Copyright (C) 2008 Patrick Ohly
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY, TITLE, NONINFRINGEMENT or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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* 02111-1307 USA
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*/
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#ifndef INCL_EVOLUTION_FILTER_CONFIG_NODE
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# define INCL_EVOLUTION_FILTER_CONFIG_NODE
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#include <ConfigNode.h>
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#include <boost/shared_ptr.hpp>
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#include <map>
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#include <utility>
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#include <string>
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using namespace std;
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/**
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* This class acts as filter between a real config node and its user:
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* reads which match properties which are set in the filter will
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* return the value set in the filter. Writes will go to the underlying
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* node and future reads will return the written value.
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*
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* The purpose of this class is temporarily overriding saved values
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* during one run without having to modify the saved values.
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*/
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class FilterConfigNode : public ConfigNode {
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public:
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typedef map<string, string> ConfigFilter_t;
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FilterConfigNode(const boost::shared_ptr<ConfigNode> &node,
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const ConfigFilter_t &filter = ConfigFilter_t() );
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/** add another entry to the list of filter properties */
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void addFilter(const string &property,
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const string &value);
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/** replace current filter list with new one */
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void setFilters(const ConfigFilter_t &filter);
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/* ConfigNode API */
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virtual void flush() { m_node->flush(); }
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virtual string readProperty(const string &property) const;
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virtual void setProperty(const string &property,
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const string &value,
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const string &comment = "");
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virtual map<string, string> readProperties();
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virtual void removeProperty(const string &property);
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virtual bool exists() { m_node->exists(); }
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private:
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ConfigFilter_t m_filter;
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boost::shared_ptr<ConfigNode> m_node;
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};
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#endif
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