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/************************************************************************
*
* Copyright (C) 2009-2022 IRCAD France
* Copyright (C) 2012-2017 IHU Strasbourg
*
* This file is part of Sight.
*
* Sight is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Sight is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Sight. If not, see <https://www.gnu.org/licenses/>.
*
***********************************************************************/
#include "io/dicom/helper/DicomCodedAttribute.hpp"
#include <regex>
namespace sight::io::dicom
{
namespace helper
{
//------------------------------------------------------------------------------
DicomCodedAttribute::DicomCodedAttributeVectorType DicomCodedAttribute::convertEntryToCodedAttribute(
const std::string& entry
)
{
DicomCodedAttributeVectorType result;
if(!entry.empty())
{
const std::regex codeRegex("\\(([^;]+);([^;]+);([^;)]+)\\)");
std::smatch match;
auto textIt = entry.begin();
// Loop through matches
// - match[0] = Single entry '(AAA;BBB;CCC)'
// - match[1] = Code Value 'AAA'
// - match[2] = Coding Scheme Designator 'BBB'
// - match[3] = Code Meaning 'CCC'
while(std::regex_search(textIt, entry.end(), match, codeRegex))
{
result.push_back(io::dicom::container::DicomCodedAttribute(match[1], match[2], match[3]));
textIt = match[0].second;
}
}
return result;
}
//------------------------------------------------------------------------------
gdcm::Segment::BasicCodedEntryVector DicomCodedAttribute::convertEntryToGDCMCodedAttribute(const std::string& entry)
{
gdcm::Segment::BasicCodedEntryVector result;
DicomCodedAttributeVectorType codedAttributes = convertEntryToCodedAttribute(entry);
for(const auto& attribute : codedAttributes)
{
result.push_back(attribute.toGDCMFormat());
}
return result;
}
//------------------------------------------------------------------------------
bool DicomCodedAttribute::checkAndFormatEntry(std::string& entry, bool multipleValue)
{
const std::string input = entry;
std::vector<std::string> attributeContainer;
const std::regex codeRegex("(\\([^;]+;[^;]+;[^;)]+\\))");
std::smatch match;
auto textIt = input.begin();
// Loop through matches
while(std::regex_search(textIt, input.end(), match, codeRegex))
{
attributeContainer.push_back(match[1]);
textIt = match[0].second;
}
// If the entry matches the criterion, we format the entry by concatenating
// all the matches
if(attributeContainer.size() == 1 || (attributeContainer.size() > 1 && multipleValue))
{
entry = "";
for(const auto& attribute : attributeContainer)
{
entry += attribute;
}
return true;
}
return false;
}
//------------------------------------------------------------------------------
} //namespace helper
} //namespace sight::io::dicom
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