tweeper.php: add "image/png" to the supported types for <enclosure/>

[tweeper.git] / tweeper.php

diff --git a/tweeper.php b/tweeper.php
index f475856..f7e0a88 100644 (file)
--- a/tweeper.php
+++ b/tweeper.php
@@ -132,6 +132,7 @@ class Tweeper {
       "audio/x-midi",
       "image/gif",
       "image/jpeg",
+      "image/png",
       "video/avi",
       "video/mp4",
       "video/mpeg",
@@ -150,15 +151,13 @@ class Tweeper {
       return '';
     }
 
-    $dom = new DomDocument();
+    $dom = new DOMDocument();
     $enc = $dom->createElement('enclosure');
     $enc->setAttribute('url', $url_info['url']);
     $enc->setAttribute('length', $url_info['download_content_length']);
     $enc->setAttribute('type', $url_info['content_type']);
 
-    $dom->appendChild($enc);
-
-    return $dom->saveXML($enc);
+    return $enc;
   }
 
   /**
@@ -196,30 +195,7 @@ class Tweeper {
   }
 
   /**
-   * Load a stylesheet if the web site is supported.
-   */
-  private function loadStylesheet($host) {
-    $stylesheet = "file://" . __DIR__ . "/rss_converter_" . $host . ".xsl";
-    if (FALSE === file_exists($stylesheet)) {
-      trigger_error("Conversion to RSS not supported for $host ($stylesheet not found)", E_USER_ERROR);
-      return NULL;
-    }
-
-    $stylesheet_contents = Tweeper::getUrlContents($stylesheet);
-
-    $xslDoc = new DOMDocument();
-    $xslDoc->loadXML($stylesheet_contents);
-
-    $xsltProcessor = new XSLTProcessor();
-    $xsltProcessor->registerPHPFunctions();
-    $xsltProcessor->setParameter('', 'generate-enclosure', $this->generate_enclosure);
-    $xsltProcessor->importStylesheet($xslDoc);
-
-    return $xsltProcessor;
-  }
-
-  /**
-   * Convert json to xml.
+   * Convert json to XML.
    */
   private static function jsonToXml($json, $root_node_name) {
     // Apparently the ObjectNormalizer used afterwards is not able to handle
@@ -282,7 +258,7 @@ class Tweeper {
     // Handle warnings and errors when loading invalid HTML.
     $xml_errors_value = libxml_use_internal_errors(TRUE);
 
-    // If there is a host-specific method to get the xml data, use it!
+    // If there is a host-specific method to get the XML data, use it!
     $get_xml_host_method = 'getXml' . Tweeper::toUpperCamelCase($host, '.');
     if (method_exists($this, $get_xml_host_method)) {
       $xml_data = call_user_func_array(array($this, $get_xml_host_method), array($html));
@@ -302,6 +278,29 @@ class Tweeper {
   }
 
   /**
+   * Load a stylesheet if the web site is supported.
+   */
+  private function loadStylesheet($host) {
+    $stylesheet = "file://" . __DIR__ . "/rss_converter_" . $host . ".xsl";
+    if (FALSE === file_exists($stylesheet)) {
+      trigger_error("Conversion to RSS not supported for $host ($stylesheet not found)", E_USER_ERROR);
+      return NULL;
+    }
+
+    $stylesheet_contents = Tweeper::getUrlContents($stylesheet);
+
+    $xslDoc = new DOMDocument();
+    $xslDoc->loadXML($stylesheet_contents);
+
+    $xsltProcessor = new XSLTProcessor();
+    $xsltProcessor->registerPHPFunctions();
+    $xsltProcessor->setParameter('', 'generate-enclosure', $this->generate_enclosure);
+    $xsltProcessor->importStylesheet($xslDoc);
+
+    return $xsltProcessor;
+  }
+
+  /**
    * Convert the site content to RSS.
    */
   public function tweep($src_url) {