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/*=========================================================================
*
* Copyright UMC Utrecht and contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#include "itkParameterMapInterface.h"
namespace itk
{
/**
* **************** Constructor ***************
*/
ParameterMapInterface::ParameterMapInterface() = default;
/**
* **************** Destructor ***************
*/
ParameterMapInterface ::~ParameterMapInterface() = default;
/**
* **************** SetParameterMap ***************
*/
void
ParameterMapInterface::SetParameterMap(const ParameterMapType & parMap)
{
if (!parMap.empty())
{
this->m_ParameterMap = parMap;
}
} // end SetParameterMap()
/**
* **************** CountNumberOfParameterEntries ***************
*/
std::size_t
ParameterMapInterface::CountNumberOfParameterEntries(const std::string & parameterName) const
{
if (this->m_ParameterMap.count(parameterName))
{
return this->m_ParameterMap.find(parameterName)->second.size();
}
return 0;
} // end CountNumberOfParameterEntries()
/**
* **************** ReadParameter ***************
*/
bool
ParameterMapInterface::ReadParameter(bool & parameterValue,
const std::string & parameterName,
const unsigned int entry_nr,
const bool produceWarningMessage,
std::string & warningMessage) const
{
/** Translate the default boolean to string. */
std::string parameterValueString;
if (parameterValue)
{
parameterValueString = "true";
}
else
{
parameterValueString = "false";
}
/** Read the boolean as a string. */
bool dummy =
this->ReadParameter(parameterValueString, parameterName, entry_nr, produceWarningMessage, warningMessage);
/** Translate the read-in string to boolean. */
parameterValue = false;
if (!elastix::Conversion::StringToValue(parameterValueString, parameterValue))
{
/** Trying to read a string other than "true" or "false" as a boolean. */
itkExceptionMacro("ERROR: Entry number "
<< entry_nr << " for the parameter \"" << parameterName
<< "\" should be a boolean, i.e. either \"true\" or \"false\", but it reads \""
<< parameterValueString << "\".");
}
return dummy;
} // end ReadParameter()
/**
* **************** ReadParameter ***************
*/
bool
ParameterMapInterface::ReadParameter(std::vector<std::string> & parameterValues,
const std::string & parameterName,
const unsigned int entry_nr_start,
const unsigned int entry_nr_end,
const bool produceWarningMessage,
std::string & warningMessage) const
{
/** Reset the warning message. */
warningMessage = "";
/** Get the number of entries. */
std::size_t numberOfEntries = this->CountNumberOfParameterEntries(parameterName);
/** Check if the requested parameter exists. */
if (numberOfEntries == 0)
{
if (produceWarningMessage && this->m_PrintErrorMessages)
{
std::ostringstream outputStringStream;
outputStringStream << "WARNING: The parameter \"" << parameterName << "\", requested between entry numbers "
<< entry_nr_start << " and " << entry_nr_end << ", does not exist at all.\n"
<< " The default values are used instead.";
warningMessage = outputStringStream.str();
}
return false;
}
/** Check. */
if (entry_nr_start > entry_nr_end)
{
/** Programming error: just throw an exception. */
itkExceptionMacro("WARNING: The entry number start ("
<< entry_nr_start << ") should be smaller than entry number end (" << entry_nr_end
<< "). It was requested for parameter \"" << parameterName << "\".\n");
}
/** Check if it exists at the requested entry numbers. */
if (entry_nr_end >= numberOfEntries)
{
itkExceptionMacro("WARNING: The parameter \"" << parameterName << "\" does not exist at entry number "
<< entry_nr_end
<< ".\nThe default empty string \"\" is used instead.\n");
}
/** Get the vector of parameters. */
const ParameterValuesType & vec = this->m_ParameterMap.find(parameterName)->second;
/** Copy all parameters at once. */
std::vector<std::string>::const_iterator it = vec.begin();
parameterValues.clear();
parameterValues.assign(it + entry_nr_start, it + entry_nr_end + 1);
return true;
}
} // end namespace itk
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