xref: /external/parameter-framework/upstream/parameter/FixedPointParameterType.h

/* <auto_header>
 * <FILENAME>
 *
 * INTEL CONFIDENTIAL
 * Copyright © 2011 Intel
 * Corporation All Rights Reserved.
 *
 * The source code contained or described herein and all documents related to
 * the source code ("Material") are owned by Intel Corporation or its suppliers
 * or licensors. Title to the Material remains with Intel Corporation or its
 * suppliers and licensors. The Material contains trade secrets and proprietary
 * and confidential information of Intel or its suppliers and licensors. The
 * Material is protected by worldwide copyright and trade secret laws and
 * treaty provisions. No part of the Material may be used, copied, reproduced,
 * modified, published, uploaded, posted, transmitted, distributed, or
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 * property right is granted to or conferred upon you by disclosure or delivery
 * of the Materials, either expressly, by implication, inducement, estoppel or
 * otherwise. Any license under such intellectual property rights must be
 * express and approved by Intel in writing.
 *
 *  AUTHOR: Patrick Benavoli (patrickx.benavoli@intel.com)
 * CREATED: 2011-06-01
 * UPDATED: 2011-07-27
 *
 *
 * </auto_header>
 */
#pragma once

#include "ParameterType.h"

class CFixedPointParameterType : public CParameterType
{
public:
    CFixedPointParameterType(const string& strName);

    // From IXmlSink
    virtual bool fromXml(const CXmlElement& xmlElement, CXmlSerializingContext& serializingContext);

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

    // Conversion
    virtual bool asInteger(const string& strValue, uint32_t& uiValue, CParameterAccessContext& parameterAccessContext) const;
    virtual void asString(const uint32_t& uiValue, string& strValue, CParameterAccessContext& parameterAccessContext) const;

    // CElement
    virtual string getKind() const;
private:
    // Util size
    uint32_t getUtilSizeInBits() const;

    // Integral part in Q notation
    uint32_t _uiIntegral;
    // Fractional part in Q notation
    uint32_t _uiFractional;
};