Added parsing and rendering for JSON tiddlers

js/JSONParser.js

@@ -0,0 +1,56 @@
+/*\
+title: js/JSONParser.js
+
+Compiles JSON objects into JavaScript functions that render them in HTML and plain text
+
+\*/
+(function(){
+
+/*jslint node: true */
+"use strict";
+
+var utils = require("./Utils.js");
+
+var JSONRenderer = function(handlerCode) {
+	/*jslint evil: true */
+	this.handler = eval(handlerCode);
+};
+
+JSONRenderer.prototype.render = function(tiddler,store) {
+	return this.handler(tiddler,store,utils);
+};
+
+JSONRenderer.prototype.toString = function(type) {
+	var output = [];
+	utils.renderObject(output,type,this.handler.toString(),[]);
+	return output.join("");
+};
+
+// The parse tree is degenerate
+var JSONParseTree = function(tree) {
+	this.tree = tree;
+	this.dependencies = [];
+};
+
+JSONParseTree.prototype.compile = function(type) {
+console.log("(function (tiddler,store,utils) {var output=[]; utils.renderObject(output,'" + type + "'," + JSON.stringify(this.tree) + ",[]);return output.join('');})");
+	return new JSONRenderer("(function (tiddler,store,utils) {var output=[]; utils.renderObject(output,'" + type + "'," + JSON.stringify(this.tree) + ",[]);return output.join('');})");
+};
+
+JSONParseTree.prototype.toString = function(type) {
+	var output = [];
+	utils.renderObject(output,type,this.tree,[]);
+	return output.join("");
+};
+
+var JSONParser = function() {
+};
+
+JSONParser.prototype.parse = function(type,text) {
+	return new JSONParseTree(JSON.parse(text));
+};
+
+
+exports.JSONParser = JSONParser;
+
+})();