Line data    Source code

       1             : /******************************************************************************
       2             :  *
       3             :  * Project:  Earth Engine Data API Images driver
       4             :  * Purpose:  Earth Engine Data API Images driver
       5             :  * Author:   Even Rouault, even dot rouault at spatialys.com
       6             :  *
       7             :  ******************************************************************************
       8             :  * Copyright (c) 2017-2018, Planet Labs
       9             :  *
      10             :  * Permission is hereby granted, free of charge, to any person obtaining a
      11             :  * copy of this software and associated documentation files (the "Software"),
      12             :  * to deal in the Software without restriction, including without limitation
      13             :  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      14             :  * and/or sell copies of the Software, and to permit persons to whom the
      15             :  * Software is furnished to do so, subject to the following conditions:
      16             :  *
      17             :  * The above copyright notice and this permission notice shall be included
      18             :  * in all copies or substantial portions of the Software.
      19             :  *
      20             :  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
      21             :  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
      22             :  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
      23             :  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
      24             :  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
      25             :  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
      26             :  * DEALINGS IN THE SOFTWARE.
      27             :  ****************************************************************************/
      28             : 
      29             : #ifndef EEDA_H_INCLUDED
      30             : #define EEDA_H_INCLUDED
      31             : 
      32             : #include "cpl_string.h"
      33             : #include "gdal.h"
      34             : #include "cpl_json_header.h"
      35             : #undef TRUE
      36             : #define TRUE 1
      37             : #undef FALSE
      38             : #define FALSE 0
      39             : #include "gdal_priv.h"
      40             : #include "cpl_http.h"
      41             : #include <vector>
      42             : #include <map>
      43             : 
      44             : CPLHTTPResult *EEDAHTTPFetch(const char *pszURL, char **papszOptions);
      45             : 
      46             : /************************************************************************/
      47             : /*                             EEDAIBandDesc                            */
      48             : /************************************************************************/
      49             : 
      50             : class EEDAIBandDesc
      51             : {
      52             :   public:
      53             :     CPLString osName{};
      54             :     CPLString osWKT{};
      55             :     GDALDataType eDT{GDT_Unknown};
      56             :     std::vector<double> adfGeoTransform{0.0, 1.0, 0.0, 0.0, 0.0, 1.0};
      57             :     int nWidth{0};
      58             :     int nHeight{0};
      59             : 
      60             :     /* Check if it similar enough for being considered as a compatible */
      61             :     /* GDAL band in the same dataset */
      62          25 :     bool IsSimilar(const EEDAIBandDesc &oOther) const
      63             :     {
      64          25 :         return osWKT == oOther.osWKT &&
      65          25 :                adfGeoTransform == oOther.adfGeoTransform &&
      66          50 :                nWidth == oOther.nWidth && nHeight == oOther.nHeight;
      67             :     }
      68             : };
      69             : 
      70             : std::vector<EEDAIBandDesc>
      71             : BuildBandDescArray(json_object *poBands,
      72             :                    std::map<CPLString, CPLString> &oMapCodeToWKT);
      73             : 
      74             : /************************************************************************/
      75             : /*                      GDALEEDABaseDataset                             */
      76             : /************************************************************************/
      77             : 
      78             : class GDALEEDABaseDataset CPL_NON_FINAL : public GDALDataset
      79             : {
      80             :   protected:
      81             :     bool m_bMustCleanPersistent;
      82             :     CPLString m_osBaseURL{};
      83             :     CPLString m_osBearer{};
      84             :     GIntBig m_nExpirationTime;
      85             : 
      86             :     char **GetBaseHTTPOptions();
      87             :     static CPLString ConvertPathToName(const CPLString &path);
      88             : 
      89             :   public:
      90             :     GDALEEDABaseDataset();
      91             :     virtual ~GDALEEDABaseDataset();
      92             : 
      93             :     const CPLString &GetBaseURL() const
      94             :     {
      95             :         return m_osBaseURL;
      96             :     }
      97             : };
      98             : 
      99             : #endif  //  EEDA_H_INCLUDED