First commit of Evernote migration plugin

Starts to address #2268

plugins/tiddlywiki/evernote/modules/enex-deserializer.js

@@ -0,0 +1,47 @@
+/*\
+title: $:/plugins/tiddlywiki/evernote/modules/enex-deserializer.js
+type: application/javascript
+module-type: tiddlerdeserializer
+
+ENEX file deserializer
+
+For details see: https://blog.evernote.com/tech/2013/08/08/evernote-export-format-enex/
+
+\*/
+(function(){
+
+/*jslint node: true, browser: true */
+/*global $tw: false */
+"use strict";
+
+// DOMParser = require("$:/plugins/tiddlywiki/xmldom/dom-parser").DOMParser;
+
+/*
+Parse an ENEX file into tiddlers
+*/
+exports["application/enex+xml"] = function(text,fields) {
+	// Collect output tiddlers in an array
+	var results = [];
+	// Parse the XML document
+	var parser = new DOMParser(),
+		doc = parser.parseFromString(text,"application/xml");
+	// Output a report tiddler with information about the import
+	var enex = doc.querySelector("en-export");
+	results.push({
+		title: "Evernote Import Report",
+		text: "Evernote file imported on " + enex.getAttribute("export-date") + " from " + enex.getAttribute("application") + " (" + enex.getAttribute("version") + ")"
+	})
+	// Get all the "note" nodes
+	var noteNodes = doc.querySelectorAll("note");
+	$tw.utils.each(noteNodes,function(noteNode) {
+		results.push({
+			title: noteNode.querySelector("title").textContent,
+			type: "text/html",
+			text: noteNode.querySelector("content").textContent
+		});
+	});
+	// Return the output tiddlers
+	return results;
+};
+
+})();