Line data    Source code

       1             : /******************************************************************************
       2             :  *
       3             :  * Project:  OpenGIS Simple Features Reference Implementation
       4             :  * Purpose:  Implements Open FileGDB OGR driver.
       5             :  * Author:   Even Rouault, <even dot rouault at spatialys.com>
       6             :  *
       7             :  ******************************************************************************
       8             :  * Copyright (c) 2021, Even Rouault <even dot rouault at spatialys.com>
       9             :  *
      10             :  * SPDX-License-Identifier: MIT
      11             :  ****************************************************************************/
      12             : 
      13             : #ifndef FILEGDB_GDBTOOGRFIELDTYPE_H
      14             : #define FILEGDB_GDBTOOGRFIELDTYPE_H
      15             : 
      16             : #include <string>
      17             : #include "ogr_api.h"
      18             : 
      19             : /*************************************************************************/
      20             : /*                            GDBToOGRFieldType()                        */
      21             : /*************************************************************************/
      22             : 
      23             : // We could make this function far more robust by doing automatic coercion of
      24             : // types, and/or skipping fields we do not know. But, for our purposes. this
      25             : // works fine.
      26        4151 : static bool GDBToOGRFieldType(const std::string &gdbType, OGRFieldType *pOut,
      27             :                               OGRFieldSubType *pSubType)
      28             : {
      29             :     /*
      30             :     ESRI types
      31             :     esriFieldTypeSmallInteger = 0,
      32             :     esriFieldTypeInteger = 1,
      33             :     esriFieldTypeSingle = 2,
      34             :     esriFieldTypeDouble = 3,
      35             :     esriFieldTypeString = 4,
      36             :     esriFieldTypeDate = 5,
      37             :     esriFieldTypeOID = 6,
      38             :     esriFieldTypeGeometry = 7,
      39             :     esriFieldTypeBlob = 8,
      40             :     esriFieldTypeRaster = 9,
      41             :     esriFieldTypeGUID = 10,
      42             :     esriFieldTypeGlobalID = 11,
      43             :     esriFieldTypeXML = 12
      44             :     */
      45             : 
      46             :     // OGR Types
      47             : 
      48             :     //            Desc                                 Name GDB->OGR Mapped By
      49             :     //            Us?
      50             :     /** Simple 32bit integer */    //                   OFTInteger = 0, YES
      51             :     /** List of 32bit integers */  //                 OFTIntegerList = 1, NO
      52             :     /** Double Precision floating point */  //        OFTReal = 2, YES
      53             :     /** List of doubles */        //                        OFTRealList = 3, NO
      54             :     /** String of ASCII chars */  //                  OFTString = 4, YES
      55             :     /** Array of strings */       //                       OFTStringList = 5, NO
      56             :     /** deprecated */  //                             OFTWideString = 6, NO
      57             :     /** deprecated */  //                             OFTWideStringList = 7, NO
      58             :     /** Raw Binary data */  //                        OFTBinary = 8, YES
      59             :     /** Date */             //                                   OFTDate = 9, NO
      60             :     /** Time */           //                                   OFTTime = 10, NO
      61             :     /** Date and Time */  //                          OFTDateTime = 11 YES
      62             : 
      63        4151 :     *pSubType = OFSTNone;
      64        4151 :     if (gdbType == "esriFieldTypeSmallInteger")
      65             :     {
      66         533 :         *pSubType = OFSTInt16;
      67         533 :         *pOut = OFTInteger;
      68         533 :         return true;
      69             :     }
      70        3618 :     else if (gdbType == "esriFieldTypeInteger")
      71             :     {
      72         433 :         *pOut = OFTInteger;
      73         433 :         return true;
      74             :     }
      75        3185 :     else if (gdbType == "esriFieldTypeSingle")
      76             :     {
      77         478 :         *pSubType = OFSTFloat32;
      78         478 :         *pOut = OFTReal;
      79         478 :         return true;
      80             :     }
      81        2707 :     else if (gdbType == "esriFieldTypeDouble")
      82             :     {
      83         261 :         *pOut = OFTReal;
      84         261 :         return true;
      85             :     }
      86        4599 :     else if (gdbType == "esriFieldTypeGUID" ||
      87        4299 :              gdbType == "esriFieldTypeGlobalID" ||
      88        6745 :              gdbType == "esriFieldTypeXML" || gdbType == "esriFieldTypeString")
      89             :     {
      90        1865 :         *pOut = OFTString;
      91        1865 :         return true;
      92             :     }
      93         581 :     else if (gdbType == "esriFieldTypeDate")
      94             :     {
      95         202 :         *pOut = OFTDateTime;
      96         202 :         return true;
      97             :     }
      98         379 :     else if (gdbType == "esriFieldTypeBlob")
      99             :     {
     100         379 :         *pOut = OFTBinary;
     101         379 :         return true;
     102             :     }
     103             :     else
     104             :     {
     105             :         /* Intentionally fail at these
     106             :         esriFieldTypeOID
     107             :         esriFieldTypeGeometry
     108             :         esriFieldTypeRaster
     109             :         */
     110           0 :         CPLError(CE_Warning, CPLE_AppDefined, "%s",
     111           0 :                  ("Cannot map field " + gdbType).c_str());
     112             : 
     113           0 :         return false;
     114             :     }
     115             : }
     116             : 
     117             : #endif  // FILEGDB_GDBTOOGRFIELDTYPE_H