GDAL
ogr_p.h
00001 /******************************************************************************
00002  * $Id: ogr_p.h 28900 2015-04-14 09:40:34Z rouault $
00003  *
00004  * Project:  OpenGIS Simple Features Reference Implementation
00005  * Purpose:  Some private helper functions and stuff for OGR implementation.
00006  * Author:   Frank Warmerdam, warmerdam@pobox.com
00007  *
00008  ******************************************************************************
00009  * Copyright (c) 1999, Frank Warmerdam
00010  * Copyright (c) 2008-2014, Even Rouault <even dot rouault at mines-paris dot org>
00011  *
00012  * Permission is hereby granted, free of charge, to any person obtaining a
00013  * copy of this software and associated documentation files (the "Software"),
00014  * to deal in the Software without restriction, including without limitation
00015  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
00016  * and/or sell copies of the Software, and to permit persons to whom the
00017  * Software is furnished to do so, subject to the following conditions:
00018  *
00019  * The above copyright notice and this permission notice shall be included
00020  * in all copies or substantial portions of the Software.
00021  *
00022  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
00023  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00024  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
00025  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00026  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
00027  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
00028  * DEALINGS IN THE SOFTWARE.
00029  ****************************************************************************/
00030 
00031 #ifndef OGR_P_H_INCLUDED
00032 #define OGR_P_H_INCLUDED
00033 
00034 /* -------------------------------------------------------------------- */
00035 /*      Include the common portability library ... lets us do lots      */
00036 /*      of stuff easily.                                                */
00037 /* -------------------------------------------------------------------- */
00038 
00039 #include "cpl_string.h"
00040 #include "cpl_conv.h"
00041 #include "cpl_minixml.h"
00042 
00043 #include "ogr_core.h"
00044 #include "ogr_geometry.h"
00045 
00046 /* A default name for the default geometry column, instead of '' */
00047 #define OGR_GEOMETRY_DEFAULT_NON_EMPTY_NAME     "_ogr_geometry_"
00048 
00049 #ifdef CPL_MSB 
00050 #  define OGR_SWAP(x)   (x == wkbNDR)
00051 #else
00052 #  define OGR_SWAP(x)   (x == wkbXDR)
00053 #endif
00054 
00055 /* PostGIS 1.X has non standard codes for the following geometry types */
00056 #define POSTGIS15_CURVEPOLYGON  13  /* instead of 10 */
00057 #define POSTGIS15_MULTICURVE    14  /* instead of 11 */
00058 #define POSTGIS15_MULTISURFACE  15  /* instead of 12 */
00059 
00060 /* Has been deprecated. Can only be used in very specific circumstances */
00061 #ifdef GDAL_COMPILATION
00062 #define wkb25DBitInternalUse 0x80000000
00063 #endif
00064 
00065 /* -------------------------------------------------------------------- */
00066 /*      helper function for parsing well known text format vector objects.*/
00067 /* -------------------------------------------------------------------- */
00068 
00069 #ifdef _OGR_GEOMETRY_H_INCLUDED
00070 #define OGR_WKT_TOKEN_MAX       64
00071 
00072 const char CPL_DLL * OGRWktReadToken( const char * pszInput, char * pszToken );
00073 
00074 const char CPL_DLL * OGRWktReadPoints( const char * pszInput,
00075                                        OGRRawPoint **ppaoPoints, 
00076                                        double **ppadfZ,
00077                                        int * pnMaxPoints,
00078                                        int * pnReadPoints );
00079 
00080 void CPL_DLL OGRMakeWktCoordinate( char *, double, double, double, int );
00081 
00082 #endif
00083 
00084 void OGRFormatDouble( char *pszBuffer, int nBufferLen, double dfVal, char chDecimalSep, int nPrecision = 15 );
00085 
00086 /* -------------------------------------------------------------------- */
00087 /*      Date-time parsing and processing functions                      */
00088 /* -------------------------------------------------------------------- */
00089 
00090 /* Internal use by OGR drivers only, CPL_DLL is just there in case */
00091 /* they are compiled as plugins  */
00092 int CPL_DLL OGRGetDayOfWeek(int day, int month, int year);
00093 int CPL_DLL OGRParseXMLDateTime( const char* pszXMLDateTime,
00094                                  OGRField* psField );
00095 int CPL_DLL OGRParseRFC822DateTime( const char* pszRFC822DateTime,
00096                                     OGRField* psField );
00097 char CPL_DLL * OGRGetRFC822DateTime(const OGRField* psField);
00098 char CPL_DLL * OGRGetXMLDateTime(const OGRField* psField);
00099 char CPL_DLL * OGRGetXML_UTF8_EscapedString(const char* pszString);
00100 
00101 int OGRCompareDate(   OGRField *psFirstTuple,
00102                       OGRField *psSecondTuple ); /* used by ogr_gensql.cpp and ogrfeaturequery.cpp */
00103 
00104 /* General utility option processing. */
00105 int CPL_DLL OGRGeneralCmdLineProcessor( int nArgc, char ***ppapszArgv, int nOptions );
00106 
00107 /************************************************************************/
00108 /*     Support for special attributes (feature query and selection)     */
00109 /************************************************************************/
00110 #define SPF_FID 0
00111 #define SPF_OGR_GEOMETRY 1
00112 #define SPF_OGR_STYLE 2
00113 #define SPF_OGR_GEOM_WKT 3
00114 #define SPF_OGR_GEOM_AREA 4
00115 #define SPECIAL_FIELD_COUNT 5
00116 
00117 extern const char* SpecialFieldNames[SPECIAL_FIELD_COUNT];
00118 
00119 #ifdef _SWQ_H_INCLUDED_
00120 extern const swq_field_type SpecialFieldTypes[SPECIAL_FIELD_COUNT];
00121 #endif
00122 
00123 /************************************************************************/
00124 /*     Some SRS related stuff, search in SRS data files.                */
00125 /************************************************************************/
00126 
00127 OGRErr CPL_DLL OSRGetEllipsoidInfo( int, char **, double *, double *);
00128 
00129 /* Fast atof function */
00130 double OGRFastAtof(const char* pszStr);
00131 
00132 OGRErr CPL_DLL OGRCheckPermutation(int* panPermutation, int nSize);
00133 
00134 /* GML related */
00135 
00136 OGRGeometry *GML2OGRGeometry_XMLNode( const CPLXMLNode *psNode,
00137                                       int bGetSecondaryGeometryOption,
00138                                       int nRecLevel = 0,
00139                                       int nSRSDimension = 0,
00140                                       int bIgnoreGSG = FALSE,
00141                                       int bOrientation = TRUE,
00142                                       int bFaceHoleNegative = FALSE);
00143 
00144 /************************************************************************/
00145 /*                        PostGIS EWKB encoding                         */
00146 /************************************************************************/
00147 
00148 OGRGeometry CPL_DLL *OGRGeometryFromEWKB( GByte *pabyWKB, int nLength, int* pnSRID,
00149                                           int bIsPostGIS1_EWKB  );
00150 OGRGeometry CPL_DLL *OGRGeometryFromHexEWKB( const char *pszBytea, int* pnSRID,
00151                                              int bIsPostGIS1_EWKB );
00152 char CPL_DLL * OGRGeometryToHexEWKB( OGRGeometry * poGeometry, int nSRSId,
00153                                      int bIsPostGIS1_EWKB );
00154 
00155 /************************************************************************/
00156 /*                        WKB Type Handling encoding                    */
00157 /************************************************************************/
00158 
00159 OGRErr OGRReadWKBGeometryType( unsigned char * pabyData,
00160                                OGRwkbVariant wkbVariant,
00161                                OGRwkbGeometryType *eGeometryType, OGRBoolean *b3D );
00162 
00163 #endif /* ndef OGR_P_H_INCLUDED */

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