Added support for SVG tiddlers

Which means adding a parser for SVG, even though it doesn't actually do
any parsing at the moment

docs/High Level Architecture.svg.meta

@@ -0,0 +1,3 @@
+title: High Level Architecture.svg
+modifier: JeremyRuston
+type: image/svg+xml

js/App.js

@@ -15,6 +15,7 @@ var WikiStore = require("./WikiStore.js").WikiStore,
 	tiddlerOutput = require("./TiddlerOutput.js"),
 	WikiTextParser = require("./WikiTextParser.js").WikiTextParser,
 	JavaScriptParser = require("./JavaScriptParser.js").JavaScriptParser,
+	SVGParser = require("./SVGParser.js").SVGParser,
 	Navigators = require("./Navigators.js").Navigators,
 	StoryNavigator = require("./StoryNavigator.js").StoryNavigator;
 
@@ -24,10 +25,11 @@ var App = function() {
 	this.isBrowser = typeof window !== "undefined";
 	// Create the main store
 	this.store = new WikiStore();	
-	// Register the wikitext parser
+	// Register the wikitext parser and the SVG parser
 	this.store.registerParser("text/x-tiddlywiki",new WikiTextParser({
 		store: this.store
 	}));
+	this.store.registerParser("image/svg+xml",new SVGParser());
 	// Register the standard tiddler serializers and deserializers
 	tiddlerInput.register(this.store);
 	tiddlerOutput.register(this.store);

js/SVGParser.js

@@ -0,0 +1,34 @@
+/*\
+title: js/SVGParser.js
+
+Compiles SVG images into JavaScript functions that render them in HTML
+
+\*/
+(function(){
+
+/*jslint node: true */
+"use strict";
+
+// The parse tree is degenerate
+var SVGParseTree = function() {
+	this.dependencies = [];
+};
+
+SVGParseTree.prototype.compile = function(type) {
+	if(type === "text/html") {
+		return "(function (tiddler,store,utils) {return tiddler.fields.text;})";
+	} else {
+		return null;
+	}
+};
+
+var SVGParser = function() {
+};
+
+SVGParser.prototype.parse = function() {
+	return new SVGParseTree();
+};
+
+exports.SVGParser = SVGParser;
+
+})();

js/macros/tiddler.js

@@ -30,7 +30,7 @@ exports.macro = {
 			return store.renderText(targetTiddler.fields.type,text,type,tiddler.fields.title);
 		} else {
 			// There's no parameterisation, so we can just render the target tiddler directly
-			return store.renderTiddler(type,params.target,tiddler.fields.title);
+			return store.renderTiddler(type,params.target);
 		}
 	}
 };

tiddlywiki5/styles.css

@@ -94,3 +94,7 @@ a.linkInternalResolves {
 a.linkInternalMissing {
     font-style: italic;
 }
+
+svg {
+    width: 100%;
+}

tiddlywiki5/tiddlers/TiddlyWikiArchitecture.tid

@@ -9,6 +9,8 @@ TiddlyWiki is based on the idea of making information more useful by modelling i
 
 Tiddlers use a special wikitext notation that concisely represents text formatting and hypertext features. A cornerstone of wikitext is the ability to combine and embed tiddlers in various ways.
 
+<<tiddler [[High Level Architecture.svg]]>>
+
 !! Content Types
 
 TiddlyWiki uses MIME types to indicate how the text of tiddlers should be interpreted. It uses standard MIME types such as {{{text/plain}}} and {{{text/html}}}, as well as these non-standard types for TiddlyWiki-specific formats:

tiddlywiki5/tiddlywiki5.recipe

@@ -4,6 +4,7 @@ style: styles.css
 
 recipe: tiddlers/split.recipe
 recipe: ../parsers/split.recipe
+tiddler: ../docs/High Level Architecture.svg
 
 jslib: ../test/tiddlywiki.2.6.5/source/tiddlywiki/jquery/jquery.js
 
@@ -16,6 +17,7 @@ jsmodule: ../js/Tiddler.js
 jsmodule: ../js/TiddlerInput.js
 jsmodule: ../js/TiddlerOutput.js
 jsmodule: ../js/WikiStore.js
+jsmodule: ../js/SVGParser.js
 jsmodule: ../js/WikiTextParser.js
 jsmodule: ../js/WikiTextRules.js
 jsmodule: ../js/WikiTextParseTree.js