Line data    Source code

       1             : /******************************************************************************
       2             :  * $Id$
       3             :  *
       4             :  * Project:  XLS Translator
       5             :  * Purpose:  Definition of classes for OGR .xls driver.
       6             :  * Author:   Even Rouault, even dot rouault at spatialys.com
       7             :  *
       8             :  ******************************************************************************
       9             :  * Copyright (c) 2011-2012, Even Rouault <even dot rouault at spatialys.com>
      10             :  *
      11             :  * Permission is hereby granted, free of charge, to any person obtaining a
      12             :  * copy of this software and associated documentation files (the "Software"),
      13             :  * to deal in the Software without restriction, including without limitation
      14             :  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      15             :  * and/or sell copies of the Software, and to permit persons to whom the
      16             :  * Software is furnished to do so, subject to the following conditions:
      17             :  *
      18             :  * The above copyright notice and this permission notice shall be included
      19             :  * in all copies or substantial portions of the Software.
      20             :  *
      21             :  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
      22             :  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
      23             :  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
      24             :  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
      25             :  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
      26             :  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
      27             :  * DEALINGS IN THE SOFTWARE.
      28             :  ****************************************************************************/
      29             : 
      30             : #ifndef OGR_XLS_H_INCLUDED
      31             : #define OGR_XLS_H_INCLUDED
      32             : 
      33             : #include "ogrsf_frmts.h"
      34             : 
      35             : /************************************************************************/
      36             : /*                             OGRXLSLayer                              */
      37             : /************************************************************************/
      38             : 
      39             : class OGRXLSDataSource;
      40             : 
      41             : class OGRXLSLayer final : public OGRLayer,
      42             :                           public OGRGetNextFeatureThroughRaw<OGRXLSLayer>
      43             : {
      44             :     OGRXLSDataSource *poDS;
      45             :     OGRFeatureDefn *poFeatureDefn;
      46             : 
      47             :     char *pszName;
      48             :     int iSheet;
      49             :     bool bFirstLineIsHeaders;
      50             :     int nRows;
      51             :     unsigned short nCols;
      52             : 
      53             :     int nNextFID;
      54             : 
      55             :     OGRFeature *GetNextRawFeature();
      56             : 
      57             :     void DetectHeaderLine(const void *xlshandle);
      58             :     void DetectColumnTypes(const void *xlshandle, int *paeFieldTypes);
      59             : 
      60             :   public:
      61             :     OGRXLSLayer(OGRXLSDataSource *poDSIn, const char *pszSheetname,
      62             :                 int iSheetIn, int nRowsIn, unsigned short nColsIn);
      63             :     virtual ~OGRXLSLayer();
      64             : 
      65             :     virtual void ResetReading() override;
      66          61 :     DEFINE_GET_NEXT_FEATURE_THROUGH_RAW(OGRXLSLayer)
      67             : 
      68             :     virtual OGRFeatureDefn *GetLayerDefn() override;
      69             :     virtual GIntBig GetFeatureCount(int bForce = TRUE) override;
      70             : 
      71          30 :     virtual const char *GetName() override
      72             :     {
      73          30 :         return pszName;
      74             :     }
      75             : 
      76           2 :     virtual OGRwkbGeometryType GetGeomType() override
      77             :     {
      78           2 :         return wkbNone;
      79             :     }
      80             : 
      81             :     virtual int TestCapability(const char *) override;
      82             : 
      83           1 :     virtual OGRSpatialReference *GetSpatialRef() override
      84             :     {
      85           1 :         return nullptr;
      86             :     }
      87             : 
      88             :     GDALDataset *GetDataset() override;
      89             : };
      90             : 
      91             : /************************************************************************/
      92             : /*                           OGRXLSDataSource                           */
      93             : /************************************************************************/
      94             : 
      95             : class OGRXLSDataSource final : public OGRDataSource
      96             : {
      97             :     char *pszName;
      98             : 
      99             :     OGRLayer **papoLayers;
     100             :     int nLayers;
     101             : 
     102             :     const void *xlshandle;
     103             : 
     104             :     CPLString m_osANSIFilename;
     105             : #ifdef _WIN32
     106             :     CPLString m_osTempFilename;
     107             : #endif
     108             :   public:
     109             :     OGRXLSDataSource();
     110             :     virtual ~OGRXLSDataSource();
     111             : 
     112             :     int Open(const char *pszFilename, int bUpdate);
     113             : 
     114           0 :     virtual const char *GetName() override
     115             :     {
     116           0 :         return pszName;
     117             :     }
     118             : 
     119          29 :     virtual int GetLayerCount() override
     120             :     {
     121          29 :         return nLayers;
     122             :     }
     123             : 
     124             :     virtual OGRLayer *GetLayer(int) override;
     125             : 
     126             :     virtual int TestCapability(const char *) override;
     127             : 
     128             :     const void *GetXLSHandle();
     129             : };
     130             : 
     131             : #endif /* ndef OGR_XLS_H_INCLUDED */