add parser for opml

1 files changed, 72 insertions, 0 deletions

diff --git a/js/service/OPMLParser.js b/js/service/OPMLParser.js
new file mode 100644
index 000000000..6a56a6217
--- /dev/null
+++ b/js/service/OPMLParser.js
@@ -0,0 +1,72 @@
+/**
+ * ownCloud - News
+ *
+ * This file is licensed under the Affero General Public License version 3 or
+ * later. See the COPYING file.
+ *
+ * @author Bernhard Posselt <dev@bernhard-posselt.com>
+ * @copyright Bernhard Posselt 2014
+ */
+app.service('OPMLParser', function () {
+    'use strict';
+
+    var parseOutline = function (outline) {
+        var url = outline.attr('xmlUrl') || outline.attr('htmlUrl');
+        var name = outline.attr('title') || outline.attr('text') || url;
+
+        // folder
+        if (url === undefined) {
+            return {
+                type: 'folder',
+                name: name,
+                feeds: []
+            };
+
+        // feed
+        } else {
+            return {
+                type: 'feed',
+                name: name,
+                url: url
+            };
+        }
+    };
+
+    // there is only one level, so feeds in a folder in a folder should be
+    // attached to the root folder
+    var recursivelyParse = function (level, root, firstLevel) {
+        for (var i=0; i<level.length; i++) {
+            var outline = $(level[i]);
+
+            var entry = parseOutline(outline);
+
+            if (entry.type === 'feed') {
+                root.feeds.push(entry);
+            } else {
+
+                // only first level should append folders
+                if (firstLevel) {
+                    recursivelyParse(outline.children('outline'), entry, false);
+                    root.folders.push(entry);
+                } else {
+                    recursivelyParse(outline.children('outline'), root, false);
+                }
+            }
+        };
+
+        return root;
+    };
+
+    this.parse = function (xml) {
+        xml = $.parseXML(xml);
+        var firstLevel = $(xml).find('body > outline');
+
+        var root = {
+            'feeds': [],
+            'folders': []
+        };
+
+        return recursivelyParse(firstLevel, root, true);
+    };
+
+});
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