?? mitab_imapinfofile.cpp
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/********************************************************************** * $Id: mitab_imapinfofile.cpp,v 1.21 2005/05/19 21:10:50 fwarmerdam Exp $ * * Name: mitab_imapinfo * Project: MapInfo mid/mif Tab Read/Write library * Language: C++ * Purpose: Implementation of the IMapInfoFile class, super class of * of MIFFile and TABFile * Author: Daniel Morissette, dmorissette@dmsolutions.ca * ********************************************************************** * Copyright (c) 1999-2001, Daniel Morissette * * 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. ********************************************************************** * * $Log: mitab_imapinfofile.cpp,v $ * Revision 1.21 2005/05/19 21:10:50 fwarmerdam * changed to use OGRLayers spatial filter support * * Revision 1.20 2005/05/19 15:27:00 jlacroix * Implement a method to set the StyleString of a TABFeature. * This is done via the ITABFeaturePen, Brush and Symbol classes. * * Revision 1.19 2004/06/30 20:29:04 dmorissette * Fixed refs to old address danmo@videotron.ca * * Revision 1.18 2003/12/19 07:55:55 fwarmerdam * treat 3D features as 2D on write * * Revision 1.17 2001/09/14 19:14:43 warmerda * added attribute query support * * Revision 1.16 2001/09/14 03:23:55 warmerda * Substantial upgrade to support spatial queries using spatial indexes * * Revision 1.15 2001/07/03 23:11:21 daniel * Test for NULL geometries if spatial filter enabled in GetNextFeature(). * * Revision 1.14 2001/03/09 04:16:02 daniel * Added TABSeamless for reading seamless TAB files * * Revision 1.13 2001/02/27 19:59:05 daniel * Enabled spatial filter in IMapInfoFile::GetNextFeature(), and avoid * unnecessary feature cloning in GetNextFeature() and GetFeature() * * Revision 1.12 2001/02/06 22:03:24 warmerda * fixed memory leak of whole features in CreateFeature * * Revision 1.11 2001/01/23 21:23:42 daniel * Added projection bounds lookup table, called from TABFile::SetProjInfo() * * Revision 1.10 2001/01/22 16:03:58 warmerda * expanded tabs * * Revision 1.9 2000/11/30 20:27:56 warmerda * make variable length string fields 254 wide, not 255 * * Revision 1.8 2000/02/28 03:11:35 warmerda * fix support for zero width fields * * Revision 1.7 2000/02/02 20:14:03 warmerda * made safer when encountering geometryless features * * Revision 1.6 2000/01/26 18:17:35 warmerda * added CreateField method * * Revision 1.5 2000/01/15 22:30:44 daniel * Switch to MIT/X-Consortium OpenSource license * * Revision 1.4 2000/01/11 19:06:25 daniel * Added support for conversion of collections in CreateFeature() * * Revision 1.3 1999/12/14 02:14:50 daniel * Added static SmartOpen() method + TABView support * * Revision 1.2 1999/11/08 19:15:44 stephane * Add headers method * * Revision 1.1 1999/11/08 04:17:27 stephane * First Revision * **********************************************************************/#include "mitab.h"#include "mitab_utils.h"#include <ctype.h> /* isspace() *//********************************************************************** * IMapInfoFile::IMapInfoFile() * * Constructor. **********************************************************************/IMapInfoFile::IMapInfoFile(){ m_nCurFeatureId = 0; m_poCurFeature = NULL; m_bBoundsSet = FALSE;}/********************************************************************** * IMapInfoFile::~IMapInfoFile() * * Destructor. **********************************************************************/IMapInfoFile::~IMapInfoFile(){ if (m_poCurFeature) { delete m_poCurFeature; m_poCurFeature = NULL; }}/********************************************************************** * IMapInfoFile::SmartOpen() * * Use this static method to automatically open any flavour of MapInfo * dataset. This method will detect the file type, create an object * of the right type, and open the file. * * Call GetFileClass() on the returned object if you need to find out * its exact type. (To access format-specific methods for instance) * * Returns the new object ptr. , or NULL if the open failed. **********************************************************************/IMapInfoFile *IMapInfoFile::SmartOpen(const char *pszFname, GBool bTestOpenNoError /*=FALSE*/){ IMapInfoFile *poFile = NULL; int nLen = 0; if (pszFname) nLen = strlen(pszFname); if (nLen > 4 && (EQUAL(pszFname + nLen-4, ".MIF") || EQUAL(pszFname + nLen-4, ".MID") ) ) { /*------------------------------------------------------------- * MIF/MID file *------------------------------------------------------------*/ poFile = new MIFFile; } else if (nLen > 4 && EQUAL(pszFname + nLen-4, ".TAB")) { /*------------------------------------------------------------- * .TAB file ... is it a TABFileView or a TABFile? * We have to read the .tab header to find out. *------------------------------------------------------------*/ FILE *fp; const char *pszLine; char *pszAdjFname = CPLStrdup(pszFname); GBool bFoundFields = FALSE, bFoundView=FALSE, bFoundSeamless=FALSE; TABAdjustFilenameExtension(pszAdjFname); fp = VSIFOpen(pszAdjFname, "r"); while(fp && (pszLine = CPLReadLine(fp)) != NULL) { while (isspace(*pszLine)) pszLine++; if (EQUALN(pszLine, "Fields", 6)) bFoundFields = TRUE; else if (EQUALN(pszLine, "create view", 11)) bFoundView = TRUE; else if (EQUALN(pszLine, "\"\\IsSeamless\" = \"TRUE\"", 21)) bFoundSeamless = TRUE; } if (bFoundView) poFile = new TABView; else if (bFoundFields && bFoundSeamless) poFile = new TABSeamless; else if (bFoundFields) poFile = new TABFile; if (fp) VSIFClose(fp); CPLFree(pszAdjFname); } /*----------------------------------------------------------------- * Perform the open() call *----------------------------------------------------------------*/ if (poFile && poFile->Open(pszFname, "r", bTestOpenNoError) != 0) { delete poFile; poFile = NULL; } if (!bTestOpenNoError && poFile == NULL) { CPLError(CE_Failure, CPLE_FileIO, "%s could not be opened as a MapInfo dataset.", pszFname); } return poFile;}/********************************************************************** * IMapInfoFile::GetNextFeature() * * Standard OGR GetNextFeature implementation. This methode is used
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