1 /****************************************************************************** 2 * $Id: ogr_expat.h 960e631de2d440c518307009ab6ac3cd599fd709 2020-06-02 11:51:16 +0200 Yorick de Wid $ 3 * 4 * Project: OGR 5 * Purpose: Convenience function for parsing with Expat library 6 * Author: Even Rouault, even dot rouault at spatialys.com 7 * 8 ****************************************************************************** 9 * Copyright (c) 2009, Even Rouault <even dot rouault at spatialys.com> 10 * 11 * Permission is hereby granted, free of charge, to any person obtaining a 12 * copy of this software and associated documentation files (the "Software"), 13 * to deal in the Software without restriction, including without limitation 14 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 15 * and/or sell copies of the Software, and to permit persons to whom the 16 * Software is furnished to do so, subject to the following conditions: 17 * 18 * The above copyright notice and this permission notice shall be included 19 * in all copies or substantial portions of the Software. 20 * 21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 22 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 23 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 24 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 25 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 26 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 27 * DEALINGS IN THE SOFTWARE. 28 ****************************************************************************/ 29 30 #ifndef OGR_EXPATH_INCLUDED 31 #define OGR_EXPATH_INCLUDED 32 33 #ifdef HAVE_EXPAT 34 35 #include "cpl_port.h" 36 #include <expat.h> 37 38 #include <memory> 39 40 /* Compatibility stuff for expat >= 1.95.0 and < 1.95.7 */ 41 #ifndef XMLCALL 42 #define XMLCALL 43 #endif 44 #ifndef XML_STATUS_OK 45 #define XML_STATUS_OK 1 46 #define XML_STATUS_ERROR 0 47 #endif 48 49 /* XML_StopParser only available for expat >= 1.95.8 */ 50 #if !defined(XML_MAJOR_VERSION) || (XML_MAJOR_VERSION * 10000 + XML_MINOR_VERSION * 100 + XML_MICRO_VERSION) < 19508 51 #define XML_StopParser(parser, resumable) 52 #warning "Expat version is too old and does not have XML_StopParser. Corrupted files could hang OGR" 53 #endif 54 55 /* Only for internal use ! */ 56 XML_Parser CPL_DLL OGRCreateExpatXMLParser(void); 57 58 // 59 //! @cond Doxygen_Suppress 60 struct CPL_DLL OGRExpatUniquePtrDeleter 61 { operatorOGRExpatUniquePtrDeleter62 void operator()(XML_Parser oParser) const 63 { XML_ParserFree(oParser); } 64 }; 65 //! @endcond 66 67 /** Unique pointer type for XML_Parser. 68 * @since GDAL 3.2 69 */ 70 using OGRExpatUniquePtr = std::unique_ptr<XML_ParserStruct, OGRExpatUniquePtrDeleter>; 71 72 #endif /* HAVE_EXPAT */ 73 74 #endif /* OGR_EXPATH_INCLUDED */ 75