Line data    Source code

       1             : /******************************************************************************
       2             :  *
       3             :  * Project:  GDAL
       4             :  * Purpose:  Class to abstract outputting to a vector layer
       5             :  * Author:   Even Rouault <even dot rouault at spatialys.com>
       6             :  *
       7             :  ******************************************************************************
       8             :  * Copyright (c) 2025, Even Rouault <even dot rouault at spatialys.com>
       9             :  *
      10             :  * SPDX-License-Identifier: MIT
      11             :  ****************************************************************************/
      12             : 
      13             : #ifndef GDALALG_VECTOR_OUTPUT_ABSTRACT_INCLUDED
      14             : #define GDALALG_VECTOR_OUTPUT_ABSTRACT_INCLUDED
      15             : 
      16             : #include "gdalalgorithm.h"
      17             : #include "ogrsf_frmts.h"
      18             : 
      19             : //! @cond Doxygen_Suppress
      20             : 
      21             : /************************************************************************/
      22             : /*                  GDALVectorOutputAbstractAlgorithm                   */
      23             : /************************************************************************/
      24             : 
      25             : class CPL_DLL
      26             :     GDALVectorOutputAbstractAlgorithm /* non-final*/ : public GDALAlgorithm
      27             : {
      28             :   protected:
      29          35 :     GDALVectorOutputAbstractAlgorithm(const std::string &name,
      30             :                                       const std::string &description,
      31             :                                       const std::string &helpURL)
      32          35 :         : GDALAlgorithm(name, description, helpURL)
      33             :     {
      34          35 :     }
      35             : 
      36             :     void AddAllOutputArgs();
      37             : 
      38             :     struct SetupOutputDatasetRet
      39             :     {
      40             :         std::unique_ptr<GDALDataset> newDS{};
      41             :         GDALDataset *outDS =
      42             :             nullptr;  // either newDS.get() or m_outputDataset.GetDatasetRef()
      43             :         OGRLayer *layer = nullptr;
      44             : 
      45          18 :         SetupOutputDatasetRet() = default;
      46             :         SetupOutputDatasetRet(SetupOutputDatasetRet &&) = default;
      47             :         SetupOutputDatasetRet &operator=(SetupOutputDatasetRet &&) = default;
      48             : 
      49             :         CPL_DISALLOW_COPY_ASSIGN(SetupOutputDatasetRet)
      50             :     };
      51             : 
      52             :     SetupOutputDatasetRet SetupOutputDataset();
      53             :     bool SetDefaultOutputLayerNameIfNeeded(GDALDataset *poOutDS);
      54             : 
      55             :     std::string m_outputFormat{};
      56             :     GDALArgDatasetValue m_outputDataset{};
      57             :     std::vector<std::string> m_creationOptions{};
      58             :     std::vector<std::string> m_layerCreationOptions{};
      59             :     std::string m_outputLayerName{};
      60             :     bool m_overwrite = false;
      61             :     bool m_update = false;
      62             :     bool m_overwriteLayer = false;
      63             :     bool m_appendLayer = false;
      64             : };
      65             : 
      66             : //! @endcond
      67             : 
      68             : #endif