/******************************************************************************
 * $Id$
 *
 * Project:  GDAL Core
 * Purpose:  Read metadata from DigitalGlobe imagery.
 * Author:   Alexander Lisovenko
 * Author:   Dmitry Baryshnikov, polimax@mail.ru
 *
 ******************************************************************************
 * Copyright (c) 2014-2015, NextGIS info@nextgis.ru
 *
 * 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 READER_DIGITAL_GLOBE_H_INCLUDED
#define READER_DIGITAL_GLOBE_H_INCLUDED

#include "../gdal_mdreader.h"

/**
@brief Metadata reader for DigitalGlobe

TIFF filename:      aaaaaaaaaa.tif
Metadata filename:  aaaaaaaaaa.IMD
RPC filename:       aaaaaaaaaa.RPB

Common metadata (from metadata filename):
    SatelliteId:         satId
    CloudCover:          cloudCover
    AcquisitionDateTime: earliestAcqTime, latestAcqTime

OR
Metadata and RPC filename:    aaaaaaaaaa.XML
Common metadata (from metadata filename):
    SatelliteId:         SATID
    CloudCover:          CLOUDCOVER
    AcquisitionDateTime: EARLIESTACQTIME, LATESTACQTIME

*/

class GDALMDReaderDigitalGlobe : public GDALMDReaderBase
{
  public:
    GDALMDReaderDigitalGlobe(const char *pszPath, char **papszSiblingFiles);
    virtual ~GDALMDReaderDigitalGlobe();
    virtual bool HasRequiredFiles() const override;
    virtual char **GetMetadataFiles() const override;

  protected:
    virtual void LoadMetadata() override;
    char **LoadRPBXmlNode(CPLXMLNode *psNode);
    char **LoadIMDXmlNode(CPLXMLNode *psNode);

  protected:
    CPLString m_osXMLSourceFilename{};
    CPLString m_osIMDSourceFilename{};
    CPLString m_osRPBSourceFilename{};
};

#endif  // READER_DIGITAL_GLOBE_H_INCLUDED
