comparison sites/all/libraries/ARC2/arc/parsers/ARC2_SGAJSONParser.php @ 4:ce11bbd8f642

added modules

+<?php
+/*
+homepage: http://arc.semsol.org/
+license:  http://arc.semsol.org/license
+
+class:    ARC2 SG API JSON Parser
+author:   Benjamin Nowack
+version:  2010-11-16
+*/
+
+ARC2::inc('JSONParser');
+
+class ARC2_SGAJSONParser extends ARC2_JSONParser {
+
+  function __construct($a, &$caller) {
+    parent::__construct($a, $caller);
+  }
+  
+  function __init() {/* reader */
+    parent::__init();
+    $this->rdf = 'http://www.w3.org/1999/02/22-rdf-syntax-ns#';
+    $this->nsp = array($this->rdf => 'rdf');
+  }
+  
+  /*  */
+
+  function done() {
+    $this->extractRDF();
+  }
+  
+  function extractRDF() {
+    $s = $this->getContext();
+    $os = $this->getURLs($this->struct);
+    foreach ($os as $o) {
+      if ($o != $s) $this->addT($s, 'http://www.w3.org/2000/01/rdf-schema#seeAlso', $o, 'uri', 'uri');
+    }
+  }
+  
+  function getContext() {
+    if (!isset($this->struct['canonical_mapping'])) return '';
+    foreach ($this->struct['canonical_mapping'] as $k => $v) return $v;
+  }
+  
+  function getURLs($struct) {
+    $r =array();
+    if (is_array($struct)) {
+      foreach ($struct as $k => $v) {
+        if (preg_match('/^http:\/\//', $k) && !in_array($k, $r)) $r[] = $k;
+        $sub_r = $this->getURLs($v);
+        foreach ($sub_r as $sub_v) {
+          if (!in_array($sub_v, $r)) $r[] = $sub_v;
+        }
+      }
+    }
+    elseif (preg_match('/^http:\/\//', $struct) && !in_array($struct, $r)) {
+      $r[] = $struct;
+    }
+    return $r;
+  }
+  
+  /*  */
+
+}