gdalalg_vector_export_schema.h

/******************************************************************************
 *
 * Project:  GDAL
 * Purpose:  gdal "vector export-schema" subcommand
 * Author:   Alessandro Pasotti <elpaso at itopen dot it>
 *
 ******************************************************************************
 * Copyright (c) 2026, Alessandro Pasotti <elpaso at itopen dot it>
 *
 * SPDX-License-Identifier: MIT
 ****************************************************************************/
 
#ifndef GDALALG_VECTOR_EXPORT_SCHEMA_INCLUDED
#define GDALALG_VECTOR_EXPORT_SCHEMA_INCLUDED
 
#include "gdalalg_vector_pipeline.h"
 
 
/************************************************************************/
/*                   GDALVectorExportSchemaAlgorithm                    */
/************************************************************************/
 
class GDALVectorExportSchemaAlgorithm /* non final */
    : public GDALVectorPipelineStepAlgorithm
{
  public:
    static constexpr const char *NAME = "export-schema";
    static constexpr const char *DESCRIPTION =
        "Export the OGR_SCHEMA from a vector dataset.";
    static constexpr const char *HELP_URL =
        "/programs/gdal_vector_export_schema.html";
 
    explicit GDALVectorExportSchemaAlgorithm(bool standaloneStep = false);
 
    bool CanBeLastStep() const override
    {
        return true;
    }
 
  private:
    bool RunStep(GDALPipelineStepRunContext &ctxt) override;
 
    std::vector<std::string> m_layerNames{};
};
 
/************************************************************************/
/*              GDALVectorExportSchemaAlgorithmStandalone               */
/************************************************************************/
 
class GDALVectorExportSchemaAlgorithmStandalone final
    : public GDALVectorExportSchemaAlgorithm
{
  public:
    GDALVectorExportSchemaAlgorithmStandalone()
        : GDALVectorExportSchemaAlgorithm(/* standaloneStep = */ true)
    {
    }
 
    ~GDALVectorExportSchemaAlgorithmStandalone() override;
};
 
 
#endif