/****************************************************************************** * $Id: tigerentitynames.cpp 10646 2007-01-18 02:38:10Z warmerdam $ * * Project:  TIGER/Line Translator * Purpose:  Implements TigerEntityNames, providing access to .RTC files. * Author:   Frank Warmerdam, warmerdam@pobox.com * ****************************************************************************** * Copyright (c) 1999, Frank Warmerdam * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. ****************************************************************************/#include "ogr_tiger.h"#include "cpl_conv.h"CPL_CVSID("$Id: tigerentitynames.cpp 10646 2007-01-18 02:38:10Z warmerdam $");#define FILE_CODE "C"static TigerFieldInfo rtC_2002_fields[] = {  // fieldname    fmt  type OFTType      beg  end  len  bDefine bSet bWrite  { "MODULE",     ' ', ' ', OFTString,     0,   0,   8,       1,   0,     0 },  { "STATE",      'L', 'N', OFTInteger,    6,   7,   2,       1,   1,     1 },  { "COUNTY",     'L', 'N', OFTInteger,    8,  10,   3,       1,   1,     1 },  { "DATAYR",     'L', 'A', OFTString,    11,  14,   4,       1,   1,     1 },  { "FIPS",       'L', 'N', OFTInteger,   15,  19,   5,       1,   1,     1 },  { "FIPSCC",     'L', 'A', OFTString,    20,  21,   2,       1,   1,     1 },  { "PLACEDC",    'L', 'A', OFTString,    22,  22,   1,       1,   1,     1 },  { "LSADC",      'L', 'A', OFTString,    23,  24,   2,       1,   1,     1 },  { "ENTITY",     'L', 'A', OFTString,    25,  25,   1,       1,   1,     1 },  { "MA",         'L', 'N', OFTInteger,   26,  29,   4,       1,   1,     1 },  { "SD",         'L', 'N', OFTInteger,   30,  34,   5,       1,   1,     1 },  { "AIANHH",     'L', 'N', OFTInteger,   35,  38,   4,       1,   1,     1 },  { "VTDTRACT",   'R', 'A', OFTString,    39,  44,   6,       1,   1,     1 },  { "UAUGA",      'L', 'N', OFTInteger,   45,  49,   5,       1,   1,     1 },  { "AITSCE",     'L', 'N', OFTInteger,   50,  52,   3,       1,   1,     1 },  { "RS_C1",      'L', 'N', OFTInteger,   53,  54,   2,       1,   1,     1 },  { "RS_C2",      'L', 'N', OFTInteger,   55,  62,   8,       1,   1,     1 },  { "NAME",       'L', 'A', OFTString,    63, 122,  60,       1,   1,     1 },};static TigerRecordInfo rtC_2002_info =  {    rtC_2002_fields,    sizeof(rtC_2002_fields) / sizeof(TigerFieldInfo),    122  };static TigerFieldInfo rtC_2000_Redistricting_fields[] = {  // fieldname    fmt  type OFTType      beg  end  len  bDefine bSet bWrite  { "MODULE",     ' ', ' ', OFTString,     0,   0,   8,       1,   0,     0 },  { "STATE",      'L', 'N', OFTInteger,    6,   7,   2,       1,   1,     1 },  { "COUNTY",     'L', 'N', OFTInteger,    8,  10,   3,       1,   1,     1 },  { "FIPSYR",     'L', 'N', OFTString,    11,  14,   4,       1,   1,     1 },  { "FIPS",       'L', 'N', OFTInteger,   15,  19,   5,       1,   1,     1 },  { "FIPSCC",     'L', 'A', OFTString,    20,  21,   2,       1,   1,     1 },  { "PDC",        'L', 'A', OFTString,    22,  22,   1,       1,   1,     1 },  { "LASAD",      'L', 'A', OFTString,    23,  24,   2,       1,   1,     1 },  { "ENTITY",     'L', 'A', OFTString,    25,  25,   1,       1,   1,     1 },  { "MA",         'L', 'N', OFTInteger,   26,  29,   4,       1,   1,     1 },  { "SD",         'L', 'N', OFTInteger,   30,  34,   5,       1,   1,     1 },  { "AIR",        'L', 'N', OFTInteger,   35,  38,   4,       1,   1,     1 },  { "VTD",        'R', 'A', OFTString,    39,  44,   6,       1,   1,     1 },  { "UA",         'L', 'N', OFTInteger,   45,  49,   5,       1,   1,     1 },  { "AITSCE",     'L', 'N', OFTInteger,   50,  52,   3,       1,   1,     1 },  { "NAME",       'L', 'A', OFTString,    53, 112,  66,       1,   1,     1 }};static TigerRecordInfo rtC_2000_Redistricting_info =  {    rtC_2000_Redistricting_fields,    sizeof(rtC_2000_Redistricting_fields) / sizeof(TigerFieldInfo),    112  };static TigerFieldInfo rtC_fields[] = {  // fieldname    fmt  type OFTType      beg  end  len  bDefine bSet bWrite  { "MODULE",     ' ', ' ', OFTString,     0,   0,   8,       1,   0,     0 },  { "STATE",      'L', 'N', OFTInteger,    6,   7,   2,       1,   1,     1 },  { "COUNTY",     'L', 'N', OFTInteger,    8,  10,   3,       1,   1,     1 },  { "FIPSYR",     'L', 'N', OFTString,    11,  12,   4,       1,   1,     1 },  { "FIPS",       'L', 'N', OFTInteger,   13,  17,   5,       1,   1,     1 },  { "FIPSCC",     'L', 'A', OFTString,    18,  19,   2,       1,   1,     1 },  { "PDC",        'L', 'A', OFTString,    20,  20,   1,       1,   1,     1 },  { "LASAD",      'L', 'A', OFTString,    21,  22,   2,       1,   1,     1 },  { "ENTITY",     'L', 'A', OFTString,    23,  23,   1,       1,   1,     1 },  { "MA",         'L', 'N', OFTInteger,   24,  27,   4,       1,   1,     1 },  { "SD",         'L', 'N', OFTInteger,   28,  32,   5,       1,   1,     1 },  { "AIR",        'L', 'N', OFTInteger,   33,  36,   4,       1,   1,     1 },  { "VTD",        'R', 'A', OFTString,    37,  42,   6,       1,   1,     1 },  { "UA",         'L', 'N', OFTInteger,   43,  46,   4,       1,   1,     1 },  { "NAME",       'L', 'A', OFTString,    47, 112,  66,       1,   1,     1 }};static TigerRecordInfo rtC_info =  {    rtC_fields,    sizeof(rtC_fields) / sizeof(TigerFieldInfo),    112  };/************************************************************************//*                          TigerEntityNames()                          *//************************************************************************/TigerEntityNames::TigerEntityNames( OGRTigerDataSource * poDSIn,                            const char * pszPrototypeModule ){    poDS = poDSIn;    poFeatureDefn = new OGRFeatureDefn( "EntityNames" );    poFeatureDefn->Reference();    poFeatureDefn->SetGeomType( wkbPoint );    if( poDS->GetVersion() >= TIGER_2002 ) {      psRTCInfo = &rtC_2002_info;    } else if( poDS->GetVersion() >= TIGER_2000_Redistricting ) {      psRTCInfo = &rtC_2000_Redistricting_info;    } else {      psRTCInfo = &rtC_info;    }    AddFieldDefns( psRTCInfo, poFeatureDefn );}/************************************************************************//*                         ~TigerEntityNames()                          *//************************************************************************/TigerEntityNames::~TigerEntityNames(){}/************************************************************************//*                             SetModule()                              *//************************************************************************/int TigerEntityNames::SetModule( const char * pszModule ){    if( !OpenFile( pszModule, "C" ) )        return FALSE;    EstablishFeatureCount();        return TRUE;}/************************************************************************//*                             GetFeature()                             *//************************************************************************/OGRFeature *TigerEntityNames::GetFeature( int nRecordId ){    char        achRecord[OGR_TIGER_RECBUF_LEN];    if( nRecordId < 0 || nRecordId >= nFeatures )    {        CPLError( CE_Failure, CPLE_FileIO,                  "Request for out-of-range feature %d of %sC",                  nRecordId, pszModule );        return NULL;    }    /* -------------------------------------------------------------------- */    /*      Read the raw record data from the file.                         */    /* -------------------------------------------------------------------- */    if( fpPrimary == NULL )        return NULL;    if( VSIFSeek( fpPrimary, nRecordId * nRecordLength, SEEK_SET ) != 0 )    {        CPLError( CE_Failure, CPLE_FileIO,                  "Failed to seek to %d of %sC",                  nRecordId * nRecordLength, pszModule );        return NULL;    }    if( VSIFRead( achRecord, psRTCInfo->nRecordLength, 1, fpPrimary ) != 1 )    {        CPLError( CE_Failure, CPLE_FileIO,                  "Failed to read record %d of %sC",                  nRecordId, pszModule );        return NULL;    }    /* -------------------------------------------------------------------- */    /*      Set fields.                                                     */    /* -------------------------------------------------------------------- */    OGRFeature  *poFeature = new OGRFeature( poFeatureDefn );    SetFields( psRTCInfo, poFeature, achRecord );    return poFeature;}/************************************************************************//*                           CreateFeature()                            *//************************************************************************/OGRErr TigerEntityNames::CreateFeature( OGRFeature *poFeature ){    char        szRecord[OGR_TIGER_RECBUF_LEN];    if( !SetWriteModule( FILE_CODE, psRTCInfo->nRecordLength+2, poFeature ) )        return OGRERR_FAILURE;    memset( szRecord, ' ', psRTCInfo->nRecordLength );    WriteFields( psRTCInfo, poFeature, szRecord );    WriteRecord( szRecord, psRTCInfo->nRecordLength, FILE_CODE );    return OGRERR_NONE;}