ldt.hooks.php

   1 <?php
   2 /**
   3  * @file
   4  * Hook definitions for Linked Data Tools
   5  *
   6  * @copyright Copyright(c) 2012 Christopher Skne
   7  * @license GPL v2 http://www.fsf.org/licensing/licenses/gpl.html
   8  * @author Chris Skene chris at xtfer dot com
   9  */
  10
  11 /**
  12  * Provide information about library plugins for working with Linked Data.
  13  *
  14  * Defines hook_ldt_library_wrapper().
  15  *
  16  * This hook only needs to be implemented by providers of linked data libraries
  17  * for use with LDT.
  18  *
  19  * @return array
  20  *   An array of library configurations. Each library should provide two
  21  *   keys:
  22  *    'name' - The human readable name of the library. May be wrapped in t() if
  23  *      appropriate.
  24  *    'class' - The class to load for working with data.
  25  */
  26 function hook_ldt_library_wrappers() {
  27   $wrappers = array();
  28
  29   $wrappers['easyrdf'] = array(
  30     'name' => 'EasyRdf',
  31     'class' => '\Drupal\ldt\Plugins\EasyRdf',
  32   );
  33
  34   return $wrappers;
  35 }
  36
  37 /**
  38  * Define data formats accepted by LDT.
  39  *
  40  * Linked Data comes in different formats. This function returns an array
  41  * of supported formats. Some formats may not be compatible with some plugins,
  42  * it is up to the implementer to know which, currently.
  43  *
  44  * Defines hook_ldt_data_formats().
  45  *
  46  * @return array
  47  *   An array of format definitions. Each definition includes:
  48  *    'name' - Human readable name.
  49  *    'accept' - an array of mime type accept headers to set for requests
  50  *    'uri' - a URI for the format definition
  51  *    'extensions' - an array of possible file extensiosn
  52  *   The 'uri' and 'extensions' keys are not used by the default EasyRDF plugin
  53  *   however it provides its own data here, and the information is provided for
  54  *   use by other plugins.
  55  */
  56 function hook_ldt_data_formats() {
  57   $formats = array();
  58
  59   $formats['rdf+xml'] = array(
  60     'name' => 'RDF/XML',
  61     'accept' => 'application/rdf+xml',
  62   );
  63
  64   return $formats;
  65 }