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 
37 constexpr const char *ARROW_EXTENSION_NAME_KEY = "ARROW:extension:name";
38 constexpr const char *ARROW_EXTENSION_METADATA_KEY = "ARROW:extension:metadata";
39 constexpr const char *EXTENSION_NAME_OGC_WKB = "ogc.wkb";
40 constexpr const char *EXTENSION_NAME_GEOARROW_WKB = "geoarrow.wkb";
41 constexpr const char *EXTENSION_NAME_ARROW_JSON = "arrow.json";
42 
43 std::map<std::string, std::string>
44  CPL_DLL OGRParseArrowMetadata(const char *pabyMetadata);
45 
46 bool CPL_DLL OGRCloneArrowArray(const struct ArrowSchema *schema,
47  const struct ArrowArray *array,
48  struct ArrowArray *out_array);
49 
50 #endif // OGRLAYERARROW_H_DEFINED
Core portability definitions for CPL.