/*
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* Copyright (c) 2011-2015, Intel Corporation
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors
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* may be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "parameter_export.h"
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#include <stdint.h>
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#include <limits>
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#include "TypeElement.h"
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#include <string>
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class CParameterAccessContext;
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class CConfigurationAccessContext;
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class PARAMETER_EXPORT CParameterType : public CTypeElement
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{
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public:
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CParameterType(const std::string &strName);
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~CParameterType() override = default;
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// Size
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size_t getSize() const;
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// Unit
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std::string getUnit() const;
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void setUnit(const std::string &strUnit);
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// From IXmlSink
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bool fromXml(const CXmlElement &xmlElement,
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CXmlSerializingContext &serializingContext) override;
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// From IXmlSource
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void toXml(CXmlElement &xmlElement, CXmlSerializingContext &serializingContext) const override;
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/// Conversions
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// String
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virtual bool toBlackboard(const std::string &strValue, uint32_t &uiValue,
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CParameterAccessContext ¶meterAccessContext) const = 0;
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virtual bool fromBlackboard(std::string &strValue, const uint32_t &uiValue,
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CParameterAccessContext ¶meterAccessContext) const = 0;
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// Boolean
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virtual bool toBlackboard(bool bUserValue, uint32_t &uiValue,
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CParameterAccessContext ¶meterAccessContext) const;
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virtual bool fromBlackboard(bool &bUserValue, uint32_t uiValue,
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CParameterAccessContext ¶meterAccessContext) const;
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// Integer
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virtual bool toBlackboard(uint32_t uiUserValue, uint32_t &uiValue,
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CParameterAccessContext ¶meterAccessContext) const;
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virtual bool fromBlackboard(uint32_t &uiUserValue, uint32_t uiValue,
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CParameterAccessContext ¶meterAccessContext) const;
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// Signed Integer
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virtual bool toBlackboard(int32_t iUserValue, uint32_t &uiValue,
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CParameterAccessContext ¶meterAccessContext) const;
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virtual bool fromBlackboard(int32_t &iUserValue, uint32_t uiValue,
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CParameterAccessContext ¶meterAccessContext) const;
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// Double
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virtual bool toBlackboard(double dUserValue, uint32_t &uiValue,
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CParameterAccessContext ¶meterAccessContext) const;
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virtual bool fromBlackboard(double &dUserValue, uint32_t uiValue,
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CParameterAccessContext ¶meterAccessContext) const;
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/** Value space handling for settings import/export from/to XML
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*
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* During export, this method set the "ValueSpace" attribute of the future
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* XML element according to the export context.
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*
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* During import, this method reads the "ValueSpace" attribute of the XML
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* element being imported and sets the access context's value space
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* accordingly.
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*
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* @param[in,out] xmlConfigurableElementSettingsElement the element being imported or exported
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* @param[in,out] configurationAccessContext the import or export context
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*/
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virtual void handleValueSpaceAttribute(
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CXmlElement &xmlConfigurableElementSettingsElement,
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CConfigurationAccessContext &configurationAccessContext) const;
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// Element properties
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void showProperties(std::string &strResult) const override;
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// Default value handling (simulation only)
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virtual uint32_t getDefaultValue() const;
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/**
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* Sign extension (32 bits)
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*
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* @param[in,out] iData the data which will be sign extended
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*/
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void signExtend(int32_t &iData) const;
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/**
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* Sign extension (64 bits)
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*
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* @param[in,out] iData the data which will be sign extended
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*/
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void signExtend(int64_t &iData) const;
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protected:
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// Object creation
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void populate(CElement *pElement) const override;
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// Size
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void setSize(size_t size);
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// Check data has no bit set outside available range (based on byte size) and
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// check data is consistent with available range, with respect to its sign
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bool isEncodable(uint32_t uiData, bool bIsSigned) const;
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bool isEncodable(uint64_t uiData, bool bIsSigned) const;
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// Remove all bits set outside available range
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uint32_t makeEncodable(uint32_t uiData) const;
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/** Compute max value according to the parameter type */
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template <typename type>
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type getMaxValue() const
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{
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return getSize() < sizeof(type)
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? (static_cast<type>(1)
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<< (getSize() * std::numeric_limits<unsigned char>::digits - 1)) -
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1
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: std::numeric_limits<type>::max();
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}
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private:
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void setXmlUnitAttribute(CXmlElement &xmlElement) const;
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// Instantiation
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CInstanceConfigurableElement *doInstantiate() const override;
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// Generic Access
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template <typename type>
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void doSignExtend(type &data) const;
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template <typename type>
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bool doIsEncodable(type data, bool bIsSigned) const;
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// Size in bytes
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size_t _size{0};
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// Unit
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std::string _strUnit;
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static const std::string gUnitPropertyName;
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};
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