parameter/Parameter.h

/*
 * Copyright (c) 2011-2014, Intel Corporation
 * All rights reserved.
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 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation and/or
 * other materials provided with the distribution.
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 * 3. Neither the name of the copyright holder nor the names of its contributors
 * may be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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 */
#pragma once

#include <stdint.h>

#include "BaseParameter.h"

#include <string>

class CParameter : public CBaseParameter
{
public:
    CParameter(const std::string& strName, const CTypeElement* pTypeElement);

    // Instantiation, allocation
    virtual uint32_t getFootPrint() const;

    // Type
    virtual Type getType() const;

    // XML configuration settings parsing/composing
    virtual bool serializeXmlSettings(CXmlElement& xmlConfigurationSettingsElementContent, CConfigurationAccessContext& configurationAccessContext) const;

    // Boolean access
    virtual bool accessAsBoolean(bool& bValue, bool bSet, CParameterAccessContext& parameterAccessContext) const;

    // Integer Access
    virtual bool accessAsInteger(uint32_t& uiValue, bool bSet, CParameterAccessContext& parameterAccessContext) const;

    // Signed Integer Access
    virtual bool accessAsSignedInteger(int32_t& iValue, bool bSet, CParameterAccessContext& parameterAccessContext) const;

    // Double Access
    virtual bool accessAsDouble(double& dValue, bool bSet, CParameterAccessContext& parameterAccessContext) const;
protected:
    // Used for simulation and virtual subsystems
    virtual void setDefaultValues(CParameterAccessContext& parameterAccessContext) const;

    // Actual value access
    virtual bool doSetValue(const std::string& strValue, uint32_t uiOffset, CParameterAccessContext& parameterAccessContext) const;
    virtual void doGetValue(std::string& strValue, uint32_t uiOffset, CParameterAccessContext& parameterAccessContext) const;

    // Value space handling for configuration import
    void handleValueSpaceAttribute(CXmlElement& xmlConfigurableElementSettingsElement, CConfigurationAccessContext& configurationAccessContext) const;

    // Size
    uint32_t getSize() const;
private:
    // Generic Access
    template <typename type>
    bool doAccess(type& value, bool bSet, CParameterAccessContext& parameterAccessContext) const;
    template <typename type>
    bool doSet(type value, uint32_t uiOffset, CParameterAccessContext& parameterAccessContext) const;
    template <typename type>
    bool doGet(type& value, uint32_t uiOffset, CParameterAccessContext& parameterAccessContext) const;
};