ValueString.h

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//-----------------------------------------------------------------------------
//
//  ValueString.h
//
//  Represents a string value
//
//  Copyright (c) 2010 Mal Lansell <openzwave@lansell.org>
//
//  SOFTWARE NOTICE AND LICENSE
//
//  This file is part of OpenZWave.
//
//  OpenZWave 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 3 of the License,
//  or (at your option) any later version.
//
//  OpenZWave 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 OpenZWave.  If not, see <http://www.gnu.org/licenses/>.
//
//-----------------------------------------------------------------------------

#ifndef _ValueString_H
#define _ValueString_H

#include <string>
#include "Defs.h"
#include "value_classes/Value.h"

class TiXmlElement;

namespace OpenZWave
{
    namespace Internal
    {
        namespace VC
        {

            class ValueString: public Value
            {
                public:
                    ValueString(uint32 const _homeId, uint8 const _nodeId, ValueID::ValueGenre const _genre, uint8 const _commandClassId, uint8 const _instance, uint16 const _index, string const& _label, string const& _units, bool const _readOnly, bool const _writeOnly, string const& _value, uint8 const _pollIntensity);
                    ValueString()
                    {
                    }
                    virtual ~ValueString()
                    {
                    }

                    bool Set(string const& _value);
                    void OnValueRefreshed(string const& _value);

                    // From Value
                    virtual string const GetAsString() const
                    {
                        return GetValue();
                    }
                    virtual bool SetFromString(string const& _value)
                    {
                        return Set(_value);
                    }
                    virtual void ReadXML(uint32 const _homeId, uint8 const _nodeId, uint8 const _commandClassId, TiXmlElement const* _valueElement);
                    virtual void WriteXML(TiXmlElement* _valueElement);

                    string GetValue() const
                    {
                        return m_value;
                    }

                private:
                    string m_value;             // the current value
                    string m_valueCheck;            // the previous value (used for double-checking spurious value reads)
                    string m_newValue;              // a new value to be set on the appropriate device
            };
        } // namespace VC
    } // namespace Internal
} // namespace OpenZWave

#endif