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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.
*/
#include "Parameter.h"
#include "ParameterType.h"
#include "ParameterAccessContext.h"
#include "ConfigurationAccessContext.h"
#include "ParameterBlackboard.h"
#define base CBaseParameter
using std::string;
CParameter::CParameter(const string& strName, const CTypeElement* pTypeElement) : base(strName, pTypeElement)
{
}
CInstanceConfigurableElement::Type CParameter::getType() const
{
return EParameter;
}
// XML configuration settings parsing/composing
bool CParameter::serializeXmlSettings(CXmlElement& xmlConfigurationSettingsElementContent, CConfigurationAccessContext& configurationAccessContext) const
{
// Check for value space
handleValueSpaceAttribute(xmlConfigurationSettingsElementContent, configurationAccessContext);
// Base
return base::serializeXmlSettings(xmlConfigurationSettingsElementContent, configurationAccessContext);
}
// Value space handling for configuration import
void CParameter::handleValueSpaceAttribute(CXmlElement& xmlConfigurableElementSettingsElement, CConfigurationAccessContext& configurationAccessContext) const
{
// Delegate to type
static_cast<const CParameterType*>(getTypeElement())->handleValueSpaceAttribute(xmlConfigurableElementSettingsElement, configurationAccessContext);
}
uint32_t CParameter::getFootPrint() const
{
return getSize();
}
uint32_t CParameter::getSize() const
{
return static_cast<const CParameterType*>(getTypeElement())->getSize();
}
// Used for simulation and virtual subsystems
void CParameter::setDefaultValues(CParameterAccessContext& parameterAccessContext) const
{
// Get default value from type
uint32_t uiDefaultValue = static_cast<const CParameterType*>(getTypeElement())->getDefaultValue();
// Write blackboard
CParameterBlackboard* pBlackboard = parameterAccessContext.getParameterBlackboard();
// Beware this code works on little endian architectures only!
pBlackboard->writeInteger(&uiDefaultValue, getSize(), getOffset() - parameterAccessContext.getBaseOffset(), parameterAccessContext.isBigEndianSubsystem());
}
/// Actual parameter access
// String access
bool CParameter::doSetValue(const string& strValue, uint32_t uiOffset, CParameterAccessContext& parameterAccessContext) const
{
return doSet(strValue, uiOffset, parameterAccessContext);
}
void CParameter::doGetValue(string& strValue, uint32_t uiOffset, CParameterAccessContext& parameterAccessContext) const
{
doGet(strValue, uiOffset, parameterAccessContext);
}
// Boolean access
bool CParameter::accessAsBoolean(bool& bValue, bool bSet, CParameterAccessContext& parameterAccessContext) const
{
return doAccess(bValue, bSet, parameterAccessContext);
}
// Integer Access
bool CParameter::accessAsInteger(uint32_t& uiValue, bool bSet, CParameterAccessContext& parameterAccessContext) const
{
return doAccess(uiValue, bSet, parameterAccessContext);
}
// Signed Integer Access
bool CParameter::accessAsSignedInteger(int32_t& iValue, bool bSet, CParameterAccessContext& parameterAccessContext) const
{
return doAccess(iValue, bSet, parameterAccessContext);
}
// Double Access
bool CParameter::accessAsDouble(double& dValue, bool bSet, CParameterAccessContext& parameterAccessContext) const
{
return doAccess(dValue, bSet, parameterAccessContext);
}
// Generic Access
template <typename type>
bool CParameter::doAccess(type& value, bool bSet,
CParameterAccessContext& parameterAccessContext) const
{
if (bSet) {
// set value
if (!doSet(value, getOffset() - parameterAccessContext.getBaseOffset(),
parameterAccessContext)) {
appendParameterPathToError(parameterAccessContext);
return false;
}
// Synchronize
if (!sync(parameterAccessContext)){
appendParameterPathToError(parameterAccessContext);
return false;
}
} else {
// get value
if (!doGet(value, getOffset() - parameterAccessContext.getBaseOffset(),
parameterAccessContext)) {
appendParameterPathToError(parameterAccessContext);
return false;
}
}
return true;
}
template <typename type>
bool CParameter::doSet(type value, uint32_t uiOffset, CParameterAccessContext& parameterAccessContext) const
{
uint32_t uiData;
if (!static_cast<const CParameterType*>(getTypeElement())->toBlackboard(value, uiData, parameterAccessContext)) {
return false;
}
// Write blackboard
CParameterBlackboard* pBlackboard = parameterAccessContext.getParameterBlackboard();
// Beware this code works on little endian architectures only!
pBlackboard->writeInteger(&uiData, getSize(), uiOffset, parameterAccessContext.isBigEndianSubsystem());
return true;
}
template <typename type>
bool CParameter::doGet(type& value, uint32_t uiOffset, CParameterAccessContext& parameterAccessContext) const
{
uint32_t uiData = 0;
// Read blackboard
const CParameterBlackboard* pBlackboard = parameterAccessContext.getParameterBlackboard();
// Beware this code works on little endian architectures only!
pBlackboard->readInteger(&uiData, getSize(), uiOffset, parameterAccessContext.isBigEndianSubsystem());
return static_cast<const CParameterType*>(getTypeElement())->fromBlackboard(value, uiData, parameterAccessContext);
}
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