Line data    Source code

       1             : /******************************************************************************
       2             :  *
       3             :  * Project:  WCS Client Driver
       4             :  * Purpose:  Implementation of Dataset and RasterBand classes for WCS.
       5             :  * Author:   Frank Warmerdam, warmerdam@pobox.com
       6             :  *
       7             :  ******************************************************************************
       8             :  * Copyright (c) 2006, Frank Warmerdam
       9             :  * Copyright (c) 2008-2013, 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             : #include "wcsdrivercore.h"
      31             : 
      32             : /************************************************************************/
      33             : /*                     WCSDriverIdentify()                              */
      34             : /************************************************************************/
      35             : 
      36       50747 : int WCSDriverIdentify(GDALOpenInfo *poOpenInfo)
      37             : 
      38             : {
      39             :     /* -------------------------------------------------------------------- */
      40             :     /*      Filename is WCS:URL                                             */
      41             :     /*                                                                      */
      42             :     /* -------------------------------------------------------------------- */
      43       50747 :     if (poOpenInfo->nHeaderBytes == 0 &&
      44       46234 :         STARTS_WITH_CI((const char *)poOpenInfo->pszFilename, "WCS:"))
      45         192 :         return TRUE;
      46             : 
      47             :     /* -------------------------------------------------------------------- */
      48             :     /*      Is this a WCS_GDAL service description file or "in url"         */
      49             :     /*      equivalent?                                                     */
      50             :     /* -------------------------------------------------------------------- */
      51       50555 :     if (poOpenInfo->nHeaderBytes == 0 &&
      52       46043 :         STARTS_WITH_CI((const char *)poOpenInfo->pszFilename, "<WCS_GDAL>"))
      53           0 :         return TRUE;
      54             : 
      55       50555 :     else if (poOpenInfo->nHeaderBytes >= 10 &&
      56        4355 :              STARTS_WITH_CI((const char *)poOpenInfo->pabyHeader, "<WCS_GDAL>"))
      57           2 :         return TRUE;
      58             : 
      59             :     /* -------------------------------------------------------------------- */
      60             :     /*      Is this apparently a WCS subdataset reference?                  */
      61             :     /* -------------------------------------------------------------------- */
      62       50553 :     else if (STARTS_WITH_CI((const char *)poOpenInfo->pszFilename,
      63           0 :                             "WCS_SDS:") &&
      64           0 :              poOpenInfo->nHeaderBytes == 0)
      65           0 :         return TRUE;
      66             : 
      67             :     else
      68       50553 :         return FALSE;
      69             : }
      70             : 
      71             : /************************************************************************/
      72             : /*                      WCSDriverSetCommonMetadata()                    */
      73             : /************************************************************************/
      74             : 
      75        1219 : void WCSDriverSetCommonMetadata(GDALDriver *poDriver)
      76             : {
      77        1219 :     poDriver->SetDescription(DRIVER_NAME);
      78        1219 :     poDriver->SetMetadataItem(GDAL_DCAP_RASTER, "YES");
      79        1219 :     poDriver->SetMetadataItem(GDAL_DMD_LONGNAME, "OGC Web Coverage Service");
      80        1219 :     poDriver->SetMetadataItem(GDAL_DMD_HELPTOPIC, "drivers/raster/wcs.html");
      81        1219 :     poDriver->SetMetadataItem(GDAL_DCAP_VIRTUALIO, "YES");
      82        1219 :     poDriver->SetMetadataItem(GDAL_DMD_SUBDATASETS, "YES");
      83             : 
      84        1219 :     poDriver->pfnIdentify = WCSDriverIdentify;
      85        1219 :     poDriver->SetMetadataItem(GDAL_DCAP_OPEN, "YES");
      86        1219 : }
      87             : 
      88             : /************************************************************************/
      89             : /*                     DeclareDeferredWCSPlugin()                       */
      90             : /************************************************************************/
      91             : 
      92             : #ifdef PLUGIN_FILENAME
      93             : void DeclareDeferredWCSPlugin()
      94             : {
      95             :     if (GDALGetDriverByName(DRIVER_NAME) != nullptr)
      96             :     {
      97             :         return;
      98             :     }
      99             :     auto poDriver = new GDALPluginDriverProxy(PLUGIN_FILENAME);
     100             : #ifdef PLUGIN_INSTALLATION_MESSAGE
     101             :     poDriver->SetMetadataItem(GDAL_DMD_PLUGIN_INSTALLATION_MESSAGE,
     102             :                               PLUGIN_INSTALLATION_MESSAGE);
     103             : #endif
     104             :     WCSDriverSetCommonMetadata(poDriver);
     105             :     GetGDALDriverManager()->DeclareDeferredPluginDriver(poDriver);
     106             : }
     107             : #endif