diff sites/all/libraries/ARC2/arc/ARC2_getPreferredFormat.php @ 4:ce11bbd8f642

added modules

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sites/all/libraries/ARC2/arc/ARC2_getPreferredFormat.php	Thu Sep 19 10:38:44 2013 +0100
@@ -0,0 +1,50 @@
+<?php
+/**
+ * ARC2 result format detection
+ *
+ * @author Benjamin Nowack
+ * @license <http://arc.semsol.org/license>
+ * @homepage <http://arc.semsol.org/>
+ * @package ARC2
+ * @version 2010-11-16
+*/
+
+function ARC2_getPreferredFormat($default = 'plain') {
+  $formats = array(
+    'html' => 'HTML', 'text/html' => 'HTML', 'xhtml+xml' => 'HTML', 
+    'rdfxml' => 'RDFXML', 'rdf+xml' => 'RDFXML',
+    'ntriples' => 'NTriples', 
+    'rdf+n3' => 'Turtle', 'x-turtle' => 'Turtle', 'turtle' => 'Turtle', 'text/turtle' => 'Turtle',
+    'rdfjson' => 'RDFJSON', 'json' => 'RDFJSON',
+    'xml' => 'XML',
+    'legacyjson' => 'LegacyJSON'
+  );
+  $prefs = array();
+  $o_vals = array();
+  /* accept header */
+  $vals = explode(',', $_SERVER['HTTP_ACCEPT']);
+  if ($vals) {
+    foreach ($vals as $val) {
+      if (preg_match('/(rdf\+n3|(x\-|text\/)turtle|rdf\+xml|text\/html|xhtml\+xml|xml|json)/', $val, $m)) {
+        $o_vals[$m[1]] = 1;
+        if (preg_match('/\;q\=([0-9\.]+)/', $val, $sub_m)) {
+          $o_vals[$m[1]] = 1 * $sub_m[1];
+        }
+      }
+    }
+  }
+  /* arg */
+  if (isset($_GET['format'])) $o_vals[$_GET['format']] = 1.1;
+  /* rank */
+  arsort($o_vals);
+  foreach ($o_vals as $val => $prio) {
+    $prefs[] = $val;
+  }
+  /* default */
+  $prefs[] = $default;
+  foreach ($prefs as $pref) {
+    if (isset($formats[$pref])) {
+      return $formats[$pref];
+    }
+  }
+}