gdalalg_vector_explode_collections.h

/******************************************************************************
 *
 * Project:  GDAL
 * Purpose:  "gdal vector explode-collections"
 * Author:   Even Rouault <even dot rouault at spatialys.com>
 *
 ******************************************************************************
 * Copyright (c) 2025, Even Rouault <even dot rouault at spatialys.com>
 *
 * SPDX-License-Identifier: MIT
 ****************************************************************************/
 
#ifndef GDALALG_VECTOR_EXPLODE_COLLECTIONS_INCLUDED
#define GDALALG_VECTOR_EXPLODE_COLLECTIONS_INCLUDED
 
#include "gdalalg_vector_geom.h"

 
/************************************************************************/
/*                GDALVectorExplodeCollectionsAlgorithm                 */
/************************************************************************/
 
class GDALVectorExplodeCollectionsAlgorithm /* non final */
    : public GDALVectorGeomAbstractAlgorithm
{
  public:
    static constexpr const char *NAME = "explode-collections";
    static constexpr const char *DESCRIPTION =
        "Explode geometries of type collection of a vector dataset.";
    static constexpr const char *HELP_URL =
        "/programs/gdal_vector_explode_collections.html";
 
    struct Options : public GDALVectorGeomAbstractAlgorithm::OptionsBase
    {
        std::string m_type{};
        bool m_skip = false;
 
        // Computed value from m_type
        OGRwkbGeometryType m_eType = wkbUnknown;
    };
 
    std::unique_ptr<OGRLayerWithTranslateFeature>
    CreateAlgLayer(OGRLayer &srcLayer) override;
 
    explicit GDALVectorExplodeCollectionsAlgorithm(bool standaloneStep = false);
 
  private:
    bool RunStep(GDALPipelineStepRunContext &ctxt) override;
 
    Options m_opts{};
};
 
/************************************************************************/
/*             GDALVectorExplodeCollectionsAlgorithmStandalone          */
/************************************************************************/
 
class GDALVectorExplodeCollectionsAlgorithmStandalone final
    : public GDALVectorExplodeCollectionsAlgorithm
{
  public:
    GDALVectorExplodeCollectionsAlgorithmStandalone()
        : GDALVectorExplodeCollectionsAlgorithm(/* standaloneStep = */ true)
    {
    }
 
    ~GDALVectorExplodeCollectionsAlgorithmStandalone() override;
};

 
#endif /* GDALALG_VECTOR_EXPLODE_COLLECTIONS_INCLUDED */