GDAL

ogrlayerarrow.h
1/******************************************************************************
2 *
3 * Project: OpenGIS Simple Features Reference Implementation
4 * Purpose: Parts of OGRLayer dealing with Arrow C interface
5 * Author: Even Rouault, <even dot rouault at spatialys.com>
6 *
7 ******************************************************************************
8 * Copyright (c) 2023, Even Rouault <even dot rouault at spatialys.com>
9 *
10 * Permission is hereby granted, free of charge, to any person obtaining a
11 * copy of this software and associated documentation files (the "Software"),
12 * to deal in the Software without restriction, including without limitation
13 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
14 * and/or sell copies of the Software, and to permit persons to whom the
15 * Software is furnished to do so, subject to the following conditions:
16 *
17 * The above copyright notice and this permission notice shall be included
18 * in all copies or substantial portions of the Software.
19 *
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
21 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
23 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
24 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
25 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
26 * DEALINGS IN THE SOFTWARE.
27 ****************************************************************************/
28
29#ifndef OGRLAYERARROW_H_DEFINED
30#define OGRLAYERARROW_H_DEFINED
31
32#include "cpl_port.h"
33
34#include <map>
35#include <string>
36
37constexpr const char *ARROW_EXTENSION_NAME_KEY = "ARROW:extension:name";
38constexpr const char *ARROW_EXTENSION_METADATA_KEY = "ARROW:extension:metadata";
39constexpr const char *EXTENSION_NAME_OGC_WKB = "ogc.wkb";
40constexpr const char *EXTENSION_NAME_GEOARROW_WKB = "geoarrow.wkb";
41constexpr const char *EXTENSION_NAME_ARROW_JSON = "arrow.json";
42
43std::map<std::string, std::string>
44 CPL_DLL OGRParseArrowMetadata(const char *pabyMetadata);
45
46bool CPL_DLL OGRCloneArrowArray(const struct ArrowSchema *schema,
47 const struct ArrowArray *array,
48 struct ArrowArray *out_array);
49
50#endif // OGRLAYERARROW_H_DEFINED
cpl_port.h
Core portability definitions for CPL.