diff sites/all/libraries/ARC2/arc/ARC2_getFormat.php @ 4:ce11bbd8f642

added modules
author danieleb <danielebarchiesi@me.com>
date Thu, 19 Sep 2013 10:38:44 +0100
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sites/all/libraries/ARC2/arc/ARC2_getFormat.php	Thu Sep 19 10:38:44 2013 +0100
@@ -0,0 +1,66 @@
+<?php
+/**
+ * ARC2 format detection function
+ *
+ * @author Benjamin Nowack <bnowack@semsol.com>
+ * @license http://arc.semsol.org/license
+ * @package ARC2
+ * @version 2010-11-16
+*/
+
+function ARC2_getFormat($v, $mtype = '', $ext = '') {
+  $r = false;
+  /* mtype check (atom, rdf/xml, turtle, n3, mp3, jpg) */
+  $r = (!$r && preg_match('/\/atom\+xml/', $mtype)) ? 'atom' : $r;
+  $r = (!$r && preg_match('/\/rdf\+xml/', $mtype)) ? 'rdfxml' : $r;
+  $r = (!$r && preg_match('/\/(x\-)?turtle/', $mtype)) ? 'turtle' : $r;
+  $r = (!$r && preg_match('/\/rdf\+n3/', $mtype)) ? 'n3' : $r;
+  $r = (!$r && preg_match('/\/sparql-results\+xml/', $mtype)) ? 'sparqlxml' : $r;
+  /* xml sniffing */
+  if (
+    !$r &&
+    /* starts with angle brackets */
+    preg_match('/^\s*\<[^\s]/s', $v) &&
+    /* has an xmlns:* declaration or a matching pair of tags */
+    (preg_match('/\sxmlns\:?/', $v) || preg_match('/\<([^\s]+).+\<\/\\1\>/s', $v)) // &&
+  ) {
+    while (preg_match('/^\s*\<\?xml[^\r\n]+\?\>\s*/s', $v)) {
+      $v = preg_replace('/^\s*\<\?xml[^\r\n]+\?\>\s*/s', '', $v);
+    }
+    while (preg_match('/^\s*\<\!--.+?--\>\s*/s', $v)) {
+      $v = preg_replace('/^\s*\<\!--.+?--\>\s*/s', '', $v);
+    }
+    /* doctype checks (html, rdf) */
+    $r = (!$r && preg_match('/^\s*\<\!DOCTYPE\s+html[\s|\>]/is', $v)) ? 'html' : $r;
+    $r = (!$r && preg_match('/^\s*\<\!DOCTYPE\s+[a-z0-9\_\-]\:RDF\s/is', $v)) ? 'rdfxml' : $r;
+    /* markup checks */
+    $v = preg_replace('/^\s*\<\!DOCTYPE\s.*\]\>/is', '', $v);
+    $r = (!$r && preg_match('/^\s*\<rss\s+[^\>]*version/s', $v)) ? 'rss' : $r;
+    $r = (!$r && preg_match('/^\s*\<feed\s+[^\>]+http\:\/\/www\.w3\.org\/2005\/Atom/s', $v)) ? 'atom' : $r;
+    $r = (!$r && preg_match('/^\s*\<opml\s/s', $v)) ? 'opml' : $r;
+    $r = (!$r && preg_match('/^\s*\<html[\s|\>]/is', $v)) ? 'html' : $r;
+    $r = (!$r && preg_match('/^\s*\<sparql\s+[^\>]+http\:\/\/www\.w3\.org\/2005\/sparql\-results\#/s', $v)) ? 'sparqlxml' : $r;
+    $r = (!$r && preg_match('/^\s*\<[^\>]+http\:\/\/www\.w3\.org\/2005\/sparql\-results#/s', $v)) ? 'srx' : $r;
+    $r = (!$r && preg_match('/^\s*\<[^\s]*RDF[\s\>]/s', $v)) ? 'rdfxml' : $r;
+    $r = (!$r && preg_match('/^\s*\<[^\>]+http\:\/\/www\.w3\.org\/1999\/02\/22\-rdf/s', $v)) ? 'rdfxml' : $r;
+    
+    $r = !$r ? 'xml' : $r;
+  }
+  /* json|jsonp */
+  if (!$r && preg_match('/^[a-z0-9\.\(]*\s*[\{\[].*/s', trim($v))) {
+    /* google social graph api */
+    $r = (!$r && preg_match('/\"canonical_mapping\"/', $v)) ? 'sgajson' : $r;
+    /* crunchbase api */
+    $r = (!$r && preg_match('/\"permalink\"/', $v)) ? 'cbjson' : $r;
+
+    $r = !$r ? 'json' : $r;
+  }
+  /* turtle/n3 */
+  $r = (!$r && preg_match('/\@(prefix|base)/i', $v)) ? 'turtle' : $r;
+  $r = (!$r && preg_match('/^(ttl)$/', $ext)) ? 'turtle' : $r;
+  $r = (!$r && preg_match('/^(n3)$/', $ext)) ? 'n3' : $r;
+  /* ntriples */
+  $r = (!$r && preg_match('/^\s*(_:|<).+?\s+<[^>]+?>\s+\S.+?\s*\.\s*$/sm', $v)) ? 'ntriples' : $r;
+  $r = (!$r && preg_match('/^(nt)$/', $ext)) ? 'ntriples' : $r;
+  return $r;
+}