GDAL

ogr_expat.h
1/******************************************************************************
2 *
3 * Project: OGR
4 * Purpose: Convenience function for parsing with Expat library
5 * Author: Even Rouault, even dot rouault at spatialys.com
6 *
7 ******************************************************************************
8 * Copyright (c) 2009, Even Rouault <even dot rouault at spatialys.com>
9 *
10 * SPDX-License-Identifier: MIT
11 ****************************************************************************/
12
13#ifndef OGR_EXPATH_INCLUDED
14#define OGR_EXPATH_INCLUDED
15
16#ifdef HAVE_EXPAT
17
18#include "cpl_port.h"
19#include <expat.h>
20
21#include <memory>
22
23/* Compatibility stuff for expat >= 1.95.0 and < 1.95.7 */
24#ifndef XMLCALL
25#define XMLCALL
26#endif
27#ifndef XML_STATUS_OK
28#define XML_STATUS_OK 1
29#define XML_STATUS_ERROR 0
30#endif
31
32#undef XML_FALSE
33#define XML_FALSE static_cast<XML_Bool>(0)
34
35#undef XML_TRUE
36#define XML_TRUE static_cast<XML_Bool>(1)
37
38/* XML_StopParser only available for expat >= 1.95.8 */
39#if !defined(XML_MAJOR_VERSION) || \
40 (XML_MAJOR_VERSION * 10000 + XML_MINOR_VERSION * 100 + \
41 XML_MICRO_VERSION) < 19508
42#define XML_StopParser(parser, resumable)
43#warning \
44 "Expat version is too old and does not have XML_StopParser. Corrupted files could hang OGR"
45#endif
46
47/* Only for internal use ! */
48XML_Parser CPL_DLL OGRCreateExpatXMLParser(void);
49
50//
52 struct CPL_DLL OGRExpatUniquePtrDeleter
53{
54 void operator()(XML_Parser oParser) const
55 {
56 XML_ParserFree(oParser);
57 }
58};
59
61
65 using OGRExpatUniquePtr =
66 std::unique_ptr<XML_ParserStruct, OGRExpatUniquePtrDeleter>;
67
68#endif /* HAVE_EXPAT */
69
70#endif /* OGR_EXPATH_INCLUDED */
cpl_port.h
Core portability definitions for CPL.