/****************************************************************************** * $Id: tigerzipplus4.cpp 10646 2007-01-18 02:38:10Z warmerdam $ * * Project:  TIGER/Line Translator * Purpose:  Implements TigerZipPlus4, providing access to .RTZ 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: tigerzipplus4.cpp 10646 2007-01-18 02:38:10Z warmerdam $");#define FILE_CODE       "Z"static TigerFieldInfo rtZ_fields[] = {  // fieldname    fmt  type OFTType      beg  end  len  bDefine bSet bWrite  { "MODULE",     ' ', ' ', OFTString,     0,   0,   8,       1,   0,     0 },  { "TLID",       'R', 'N', OFTInteger,    6,  15,  10,       1,   1,     1 },  { "RTSQ",       'R', 'N', OFTInteger,   16,  18,   3,       1,   1,     1 },  { "ZIP4L",      'L', 'N', OFTInteger,   19,  22,   4,       1,   1,     1 },  { "ZIP4R",      'L', 'N', OFTInteger,   23,  26,   4,       1,   1,     1 }};static TigerRecordInfo rtZ_info =  {    rtZ_fields,    sizeof(rtZ_fields) / sizeof(TigerFieldInfo),    26  };/************************************************************************//*                           TigerZipPlus4()                            *//************************************************************************/TigerZipPlus4::TigerZipPlus4( OGRTigerDataSource * poDSIn,                              const char * pszPrototypeModule ){    OGRFieldDefn        oField("",OFTInteger);    poDS = poDSIn;    poFeatureDefn = new OGRFeatureDefn( "ZipPlus4" );    poFeatureDefn->Reference();    poFeatureDefn->SetGeomType( wkbNone );    psRTZInfo = &rtZ_info;    /* -------------------------------------------------------------------- */    /*      Fields from type Z record.                                      */    /* -------------------------------------------------------------------- */    AddFieldDefns( psRTZInfo, poFeatureDefn );}/************************************************************************//*                           ~TigerZipPlus4()                           *//************************************************************************/TigerZipPlus4::~TigerZipPlus4(){}/************************************************************************//*                             SetModule()                              *//************************************************************************/int TigerZipPlus4::SetModule( const char * pszModule ){    if( !OpenFile( pszModule, FILE_CODE ) )        return FALSE;    EstablishFeatureCount();        return TRUE;}/************************************************************************//*                             GetFeature()                             *//************************************************************************/OGRFeature *TigerZipPlus4::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 %sZ",                  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 %sZ",                  nRecordId * nRecordLength, pszModule );        return NULL;    }    if( VSIFRead( achRecord, psRTZInfo->nRecordLength, 1, fpPrimary ) != 1 )    {        CPLError( CE_Failure, CPLE_FileIO,                  "Failed to read record %d of %sZ",                  nRecordId, pszModule );        return NULL;    }/* -------------------------------------------------------------------- *//*      Set fields.                                                     *//* -------------------------------------------------------------------- */    OGRFeature  *poFeature = new OGRFeature( poFeatureDefn );    SetFields( psRTZInfo, poFeature, achRecord );    return poFeature;}/************************************************************************//*                           CreateFeature()                            *//************************************************************************/OGRErr TigerZipPlus4::CreateFeature( OGRFeature *poFeature ){  char        szRecord[OGR_TIGER_RECBUF_LEN];    if( !SetWriteModule( FILE_CODE, psRTZInfo->nRecordLength+2, poFeature ) )        return OGRERR_FAILURE;    memset( szRecord, ' ', psRTZInfo->nRecordLength );    WriteFields( psRTZInfo, poFeature, szRecord );    WriteRecord( szRecord, psRTZInfo->nRecordLength, FILE_CODE );    return OGRERR_NONE;}