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/*
* Copyright (c) 2011-2014, Intel Corporation
* All rights reserved.
*
* 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.
*
* 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
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <stdint.h>
#include <limits>
#include "TypeElement.h"
#include <string>
class CParameterAccessContext;
class CConfigurationAccessContext;
class CParameterType : public CTypeElement
{
public:
CParameterType(const std::string& strName);
virtual ~CParameterType();
// Size
uint32_t getSize() const;
// Unit
std::string getUnit() const;
// From IXmlSink
virtual bool fromXml(const CXmlElement& xmlElement, CXmlSerializingContext& serializingContext);
/// Conversions
// String
virtual bool toBlackboard(const std::string& strValue, uint32_t& uiValue, CParameterAccessContext& parameterAccessContext) const = 0;
virtual bool fromBlackboard(std::string& strValue, const uint32_t& uiValue, CParameterAccessContext& parameterAccessContext) const = 0;
// Boolean
virtual bool toBlackboard(bool bUserValue, uint32_t& uiValue, CParameterAccessContext& parameterAccessContext) const;
virtual bool fromBlackboard(bool& bUserValue, uint32_t uiValue, CParameterAccessContext& parameterAccessContext) const;
// Integer
virtual bool toBlackboard(uint32_t uiUserValue, uint32_t& uiValue, CParameterAccessContext& parameterAccessContext) const;
virtual bool fromBlackboard(uint32_t& uiUserValue, uint32_t uiValue, CParameterAccessContext& parameterAccessContext) const;
// Signed Integer
virtual bool toBlackboard(int32_t iUserValue, uint32_t& uiValue, CParameterAccessContext& parameterAccessContext) const;
virtual bool fromBlackboard(int32_t& iUserValue, uint32_t uiValue, CParameterAccessContext& parameterAccessContext) const;
// Double
virtual bool toBlackboard(double dUserValue, uint32_t& uiValue, CParameterAccessContext& parameterAccessContext) const;
virtual bool fromBlackboard(double& dUserValue, uint32_t uiValue, CParameterAccessContext& parameterAccessContext) const;
// XML Serialization value space handling
// Value space handling for configuration import/export
virtual void handleValueSpaceAttribute(CXmlElement& xmlConfigurableElementSettingsElement, CConfigurationAccessContext& configurationAccessContext) const;
// Element properties
virtual void showProperties(std::string& strResult) const;
// Default value handling (simulation only)
virtual uint32_t getDefaultValue() const;
/**
* Sign extension (32 bits)
*
* @param[in:out] iData the data which will be sign extended
*/
void signExtend(int32_t& iData) const;
/**
* Sign extension (64 bits)
*
* @param[in:out] iData the data which will be sign extended
*/
void signExtend(int64_t& iData) const;
protected:
// Object creation
virtual void populate(CElement* pElement) const;
// Size
void setSize(uint32_t uiSize);
// Check data has no bit set outside available range (based on byte size) and
// check data is consistent with available range, with respect to its sign
bool isEncodable(uint32_t uiData, bool bIsSigned) const;
bool isEncodable(uint64_t uiData, bool bIsSigned) const;
// Remove all bits set outside available range
uint32_t makeEncodable(uint32_t uiData) const;
/** Compute max value according to the parameter type */
template <typename type>
type getMaxValue() const
{
return getSize() < sizeof(type) ?
(static_cast<type>(1) << (getSize() * std::numeric_limits<unsigned char>::digits - 1)) - 1 :
std::numeric_limits<type>::max();
}
private:
// Instantiation
virtual CInstanceConfigurableElement* doInstantiate() const;
// Generic Access
template <typename type>
void doSignExtend(type& data) const;
template <typename type>
bool doIsEncodable(type data, bool bIsSigned) const;
// Size in bytes
uint32_t _uiSize;
// Unit
std::string _strUnit;
};
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