otbOGRHelpers.h

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/*
 * Copyright (C) 2005-2022 Centre National d'Etudes Spatiales (CNES)
 *
 * This file is part of Orfeo Toolbox
 *
 *     https://www.orfeo-toolbox.org/
 *
 * 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
 *
 * 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.
 */
 
#ifndef otbOGRHelpers_h
#define otbOGRHelpers_h
 
#include "itkMacro.h"
#include <string>
#include <vector>
#include <cassert>
#include <boost/range/begin.hpp>
#include <boost/range/end.hpp>
#include "ogr_feature.h"
#if defined(__GNUC__) || defined(__clang__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-local-typedefs"
#include <boost/range/size.hpp>
#pragma GCC diagnostic pop
#else
#include <boost/range/size.hpp>
#endif
#include <boost/mpl/assert.hpp>
#include <boost/type_traits/is_same.hpp>
#if !defined(NDEBUG)
#include "cpl_string.h" // CSLCount
#endif
 
#include "OTBGdalAdaptersExport.h"
 
class GDALDataset;
 
namespace otb
{
namespace ogr
{
struct OTBGdalAdapters_EXPORT StringListConverter
{
 
  template <class ContainerType>
  explicit StringListConverter(ContainerType const& strings)
  {
    BOOST_MPL_ASSERT((boost::is_same<typename ContainerType::value_type, std::string>));
    m_raw.reserve(boost::size(strings) + 1);
    for (typename ContainerType::const_iterator b = boost::begin(strings), e = boost::end(strings); b != e; ++b)
    {
      m_raw.push_back(b->c_str());
    }
    m_raw.push_back(nullptr);
    assert(CSLCount(const_cast<char**>(&m_raw[0])) == static_cast<int>(boost::size(strings)));
  }
 
  char** to_ogr() const
  {
    return m_raw.size() == 1 ? nullptr : const_cast<char**>(&m_raw[0]);
  }
 
private:
  std::vector<char const*> m_raw;
};
 
OTBGdalAdapters_EXPORT std::vector<std::string> GetAvailableDriversAsStringVector();
 
OTBGdalAdapters_EXPORT std::vector<std::string> GetFileListAsStringVector(GDALDataset* dataset);
 
OTBGdalAdapters_EXPORT bool IsFieldSetAndNotNull(OGRFeature* feat, int index);
 
} // ogr namespace
} // end namespace otb
 
#endif // otbOGRHelpers_h