/******************************************************************************
 * $Id$
 *
 * Project:  XLS Translator
 * Purpose:  Definition of classes for OGR .xls driver.
 * Author:   Even Rouault, even dot rouault at spatialys.com
 *
 ******************************************************************************
 * Copyright (c) 2011-2012, Even Rouault <even dot rouault at spatialys.com>
 *
 * 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.
 ****************************************************************************/

#ifndef OGR_XLS_H_INCLUDED
#define OGR_XLS_H_INCLUDED

#include "ogrsf_frmts.h"

/************************************************************************/
/*                             OGRXLSLayer                              */
/************************************************************************/

class OGRXLSDataSource;

class OGRXLSLayer final : public OGRLayer,
                          public OGRGetNextFeatureThroughRaw<OGRXLSLayer>
{
    OGRXLSDataSource *poDS;
    OGRFeatureDefn *poFeatureDefn;

    char *pszName;
    int iSheet;
    bool bFirstLineIsHeaders;
    int nRows;
    unsigned short nCols;

    int nNextFID;

    OGRFeature *GetNextRawFeature();

    void DetectHeaderLine(const void *xlshandle);
    void DetectColumnTypes(const void *xlshandle, int *paeFieldTypes);

  public:
    OGRXLSLayer(OGRXLSDataSource *poDSIn, const char *pszSheetname,
                int iSheetIn, int nRowsIn, unsigned short nColsIn);
    virtual ~OGRXLSLayer();

    virtual void ResetReading() override;
    DEFINE_GET_NEXT_FEATURE_THROUGH_RAW(OGRXLSLayer)

    virtual OGRFeatureDefn *GetLayerDefn() override;
    virtual GIntBig GetFeatureCount(int bForce = TRUE) override;

    virtual const char *GetName() override
    {
        return pszName;
    }

    virtual OGRwkbGeometryType GetGeomType() override
    {
        return wkbNone;
    }

    virtual int TestCapability(const char *) override;

    virtual OGRSpatialReference *GetSpatialRef() override
    {
        return nullptr;
    }

    GDALDataset *GetDataset() override;
};

/************************************************************************/
/*                           OGRXLSDataSource                           */
/************************************************************************/

class OGRXLSDataSource final : public OGRDataSource
{
    char *pszName;

    OGRLayer **papoLayers;
    int nLayers;

    const void *xlshandle;

    CPLString m_osANSIFilename;
#ifdef _WIN32
    CPLString m_osTempFilename;
#endif
  public:
    OGRXLSDataSource();
    virtual ~OGRXLSDataSource();

    int Open(const char *pszFilename, int bUpdate);

    virtual const char *GetName() override
    {
        return pszName;
    }

    virtual int GetLayerCount() override
    {
        return nLayers;
    }

    virtual OGRLayer *GetLayer(int) override;

    virtual int TestCapability(const char *) override;

    const void *GetXLSHandle();
};

#endif /* ndef OGR_XLS_H_INCLUDED */
