Line data    Source code

       1             : /******************************************************************************
       2             :  *
       3             :  * Project:  FITS Driver
       4             :  * Purpose:  Implement FITS raster read/write support
       5             :  * Author:   Simon Perkins, s.perkins@lanl.gov
       6             :  *
       7             :  ******************************************************************************
       8             :  * Copyright (c) 2001, Simon Perkins
       9             :  * Copyright (c) 2008-2020, Even Rouault <even dot rouault at spatialys.com>
      10             :  * Copyright (c) 2018, Chiara Marmo <chiara dot marmo at u-psud dot fr>
      11             :  *
      12             :  * SPDX-License-Identifier: MIT
      13             :  ****************************************************************************/
      14             : 
      15             : #include "gdal_frmts.h"
      16             : #include "gdalplugindriverproxy.h"
      17             : 
      18             : #include "fitsdrivercore.h"
      19             : 
      20             : /************************************************************************/
      21             : /*                     FITSDriverIdentify()                             */
      22             : /************************************************************************/
      23             : 
      24       73864 : int FITSDriverIdentify(GDALOpenInfo *poOpenInfo)
      25             : 
      26             : {
      27       73864 :     if (STARTS_WITH(poOpenInfo->pszFilename, "FITS:"))
      28          18 :         return true;
      29             : 
      30       73846 :     const char *fitsID = "SIMPLE  =                    T";  // Spaces important!
      31       73846 :     const size_t fitsIDLen = strlen(fitsID);  // Should be 30 chars long
      32             : 
      33       73846 :     if (static_cast<size_t>(poOpenInfo->nHeaderBytes) < fitsIDLen)
      34       59157 :         return false;
      35       14689 :     if (memcmp(poOpenInfo->pabyHeader, fitsID, fitsIDLen) != 0)
      36       14577 :         return false;
      37         112 :     return true;
      38             : }
      39             : 
      40             : /************************************************************************/
      41             : /*                      FITSDriverSetCommonMetadata()                   */
      42             : /************************************************************************/
      43             : 
      44        1767 : void FITSDriverSetCommonMetadata(GDALDriver *poDriver)
      45             : {
      46        1767 :     poDriver->SetDescription(DRIVER_NAME);
      47        1767 :     poDriver->SetMetadataItem(GDAL_DCAP_RASTER, "YES");
      48        1767 :     poDriver->SetMetadataItem(GDAL_DCAP_VECTOR, "YES");
      49        1767 :     poDriver->SetMetadataItem(GDAL_DCAP_CREATE_LAYER, "YES");
      50        1767 :     poDriver->SetMetadataItem(GDAL_DCAP_CREATE_FIELD, "YES");
      51        1767 :     poDriver->SetMetadataItem(GDAL_DMD_LONGNAME,
      52        1767 :                               "Flexible Image Transport System");
      53        1767 :     poDriver->SetMetadataItem(GDAL_DMD_HELPTOPIC, "drivers/raster/fits.html");
      54        1767 :     poDriver->SetMetadataItem(GDAL_DMD_CREATIONDATATYPES,
      55        1767 :                               "Byte UInt16 Int16 UInt32 Int32 Float32 Float64");
      56        1767 :     poDriver->SetMetadataItem(GDAL_DMD_EXTENSIONS, "fits");
      57             : 
      58        1767 :     poDriver->SetMetadataItem(GDAL_DMD_CREATIONFIELDDATATYPES,
      59             :                               "Integer Integer64 Real String IntegerList "
      60        1767 :                               "Integer64List RealList");
      61        1767 :     poDriver->SetMetadataItem(GDAL_DMD_CREATIONFIELDDATASUBTYPES,
      62        1767 :                               "Boolean Int16 Float32");
      63             : 
      64        1767 :     poDriver->SetMetadataItem(
      65             :         GDAL_DS_LAYER_CREATIONOPTIONLIST,
      66             :         "<LayerCreationOptionList>"
      67             :         "  <Option name='REPEAT_*' type='int' description='Repeat value for "
      68             :         "fields of type List'/>"
      69             :         "  <Option name='COMPUTE_REPEAT' type='string-select' "
      70             :         "description='Determine when the repeat value for fields is computed'>"
      71             :         "    <Value>AT_FIELD_CREATION</Value>"
      72             :         "    <Value>AT_FIRST_FEATURE_CREATION</Value>"
      73             :         "  </Option>"
      74        1767 :         "</LayerCreationOptionList>");
      75             : 
      76        1767 :     poDriver->pfnIdentify = FITSDriverIdentify;
      77        1767 :     poDriver->SetMetadataItem(GDAL_DCAP_OPEN, "YES");
      78        1767 :     poDriver->SetMetadataItem(GDAL_DCAP_CREATE, "YES");
      79        1767 : }
      80             : 
      81             : /************************************************************************/
      82             : /*                     DeclareDeferredFITSPlugin()                      */
      83             : /************************************************************************/
      84             : 
      85             : #ifdef PLUGIN_FILENAME
      86        2038 : void DeclareDeferredFITSPlugin()
      87             : {
      88        2038 :     if (GDALGetDriverByName(DRIVER_NAME) != nullptr)
      89             :     {
      90         283 :         return;
      91             :     }
      92        1755 :     auto poDriver = new GDALPluginDriverProxy(PLUGIN_FILENAME);
      93             : #ifdef PLUGIN_INSTALLATION_MESSAGE
      94             :     poDriver->SetMetadataItem(GDAL_DMD_PLUGIN_INSTALLATION_MESSAGE,
      95             :                               PLUGIN_INSTALLATION_MESSAGE);
      96             : #endif
      97        1755 :     FITSDriverSetCommonMetadata(poDriver);
      98        1755 :     GetGDALDriverManager()->DeclareDeferredPluginDriver(poDriver);
      99             : }
     100             : #endif