/src/gdal/apps/gdalalg_vector_select.h
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1 | | /****************************************************************************** |
2 | | * |
3 | | * Project: GDAL |
4 | | * Purpose: "select" step of "vector pipeline" |
5 | | * Author: Even Rouault <even dot rouault at spatialys.com> |
6 | | * |
7 | | ****************************************************************************** |
8 | | * Copyright (c) 2024, Even Rouault <even dot rouault at spatialys.com> |
9 | | * |
10 | | * SPDX-License-Identifier: MIT |
11 | | ****************************************************************************/ |
12 | | |
13 | | #ifndef GDALALG_VECTOR_SELECT_INCLUDED |
14 | | #define GDALALG_VECTOR_SELECT_INCLUDED |
15 | | |
16 | | #include "gdalvectorpipelinestepalgorithm.h" |
17 | | |
18 | | //! @cond Doxygen_Suppress |
19 | | |
20 | | /************************************************************************/ |
21 | | /* GDALVectorSelectAlgorithm */ |
22 | | /************************************************************************/ |
23 | | |
24 | | class GDALVectorSelectAlgorithm /* non final */ |
25 | | : public GDALVectorPipelineStepAlgorithm |
26 | | { |
27 | | public: |
28 | | static constexpr const char *NAME = "select"; |
29 | | static constexpr const char *DESCRIPTION = |
30 | | "Select a subset of fields from a vector dataset."; |
31 | | static constexpr const char *HELP_URL = "/programs/gdal_vector_select.html"; |
32 | | |
33 | | explicit GDALVectorSelectAlgorithm(bool standaloneStep = false); |
34 | | |
35 | | private: |
36 | | bool RunStep(GDALPipelineStepRunContext &ctxt) override; |
37 | | |
38 | | std::string m_activeLayer{}; |
39 | | std::vector<std::string> m_fields{}; |
40 | | bool m_defaultGeom = false; |
41 | | bool m_ignoreMissingFields = false; |
42 | | bool m_exclude = false; |
43 | | }; |
44 | | |
45 | | /************************************************************************/ |
46 | | /* GDALVectorSelectAlgorithmStandalone */ |
47 | | /************************************************************************/ |
48 | | |
49 | | class GDALVectorSelectAlgorithmStandalone final |
50 | | : public GDALVectorSelectAlgorithm |
51 | | { |
52 | | public: |
53 | | GDALVectorSelectAlgorithmStandalone() |
54 | 0 | : GDALVectorSelectAlgorithm(/* standaloneStep = */ true) |
55 | 0 | { |
56 | 0 | } |
57 | | |
58 | | ~GDALVectorSelectAlgorithmStandalone() override; |
59 | | }; |
60 | | |
61 | | //! @endcond |
62 | | |
63 | | #endif /* GDALALG_VECTOR_SELECT_INCLUDED */ |