Line data    Source code

       1             : /******************************************************************************
       2             :  *
       3             :  * Project:  TIGER/Line Translator
       4             :  * Purpose:  Implements TigerLandmarks, providing access to .RT7 files.
       5             :  * Author:   Frank Warmerdam, warmerdam@pobox.com
       6             :  *
       7             :  ******************************************************************************
       8             :  * Copyright (c) 1999, Frank Warmerdam
       9             :  *
      10             :  * SPDX-License-Identifier: MIT
      11             :  ****************************************************************************/
      12             : 
      13             : #include "ogr_tiger.h"
      14             : #include "cpl_conv.h"
      15             : 
      16             : static const char SEVEN_FILE_CODE[] = "7";
      17             : 
      18             : static const TigerFieldInfo rt7_2002_fields[] = {
      19             :     // fieldname    fmt  type OFTType      beg  end  len  bDefine bSet
      20             :     {"MODULE", ' ', ' ', OFTString, 0, 0, 8, 1, 0},
      21             :     {"FILE", 'L', 'N', OFTInteger, 6, 10, 5, 1, 1},
      22             :     {"LAND", 'R', 'N', OFTInteger, 11, 20, 10, 1, 1},
      23             :     {"SOURCE", 'L', 'A', OFTString, 21, 21, 1, 1, 1},
      24             :     {"CFCC", 'L', 'A', OFTString, 22, 24, 3, 1, 1},
      25             :     {"LANAME", 'L', 'A', OFTString, 25, 54, 30, 1, 1},
      26             :     {"LALONG", 'R', 'N', OFTInteger, 55, 64, 10, 1, 1},
      27             :     {"LALAT", 'R', 'N', OFTInteger, 65, 73, 9, 1, 1},
      28             :     {"FILLER", 'L', 'A', OFTString, 74, 74, 1, 1, 1},
      29             : };
      30             : static const TigerRecordInfo rt7_2002_info = {
      31             :     rt7_2002_fields, sizeof(rt7_2002_fields) / sizeof(TigerFieldInfo), 74};
      32             : 
      33             : static const TigerFieldInfo rt7_fields[] = {
      34             :     // fieldname    fmt  type OFTType      beg  end  len  bDefine bSet
      35             :     {"MODULE", ' ', ' ', OFTString, 0, 0, 8, 1, 0},
      36             :     {"FILE", 'L', 'N', OFTString, 6, 10, 5, 1, 0},
      37             :     {"STATE", 'L', 'N', OFTInteger, 6, 7, 2, 1, 1},
      38             :     {"COUNTY", 'L', 'N', OFTInteger, 8, 10, 3, 1, 1},
      39             :     {"LAND", 'R', 'N', OFTInteger, 11, 20, 10, 1, 1},
      40             :     {"SOURCE", 'L', 'A', OFTString, 21, 21, 1, 1, 1},
      41             :     {"CFCC", 'L', 'A', OFTString, 22, 24, 3, 1, 1},
      42             :     {"LANAME", 'L', 'A', OFTString, 25, 54, 30, 1, 1}};
      43             : static const TigerRecordInfo rt7_info = {
      44             :     rt7_fields, sizeof(rt7_fields) / sizeof(TigerFieldInfo), 74};
      45             : 
      46             : /************************************************************************/
      47             : /*                            TigerLandmarks()                          */
      48             : /************************************************************************/
      49             : 
      50           0 : TigerLandmarks::TigerLandmarks(OGRTigerDataSource *poDSIn,
      51           0 :                                CPL_UNUSED const char *pszPrototypeModule)
      52           0 :     : TigerPoint(nullptr, SEVEN_FILE_CODE)
      53             : {
      54           0 :     poDS = poDSIn;
      55           0 :     poFeatureDefn = new OGRFeatureDefn("Landmarks");
      56           0 :     poFeatureDefn->Reference();
      57           0 :     poFeatureDefn->SetGeomType(wkbPoint);
      58             : 
      59           0 :     if (poDS->GetVersion() >= TIGER_2002)
      60             :     {
      61           0 :         psRTInfo = &rt7_2002_info;
      62             :     }
      63             :     else
      64             :     {
      65           0 :         psRTInfo = &rt7_info;
      66             :     }
      67             : 
      68           0 :     AddFieldDefns(psRTInfo, poFeatureDefn);
      69           0 : }
      70             : 
      71           0 : OGRFeature *TigerLandmarks::GetFeature(int nRecordId)
      72             : {
      73           0 :     return TigerPoint::GetFeature(nRecordId, 55, 64, 65, 73);
      74             : }