/*\
title: js/ImageParser.js
Compiles images into JavaScript functions that render them in HTML
\*/
(function(){
/*jslint node: true */
"use strict";
var utils = require("./Utils.js");
var ImageRenderer = function(handlerCode) {
/*jslint evil: true */
this.handler = eval(handlerCode);
};
ImageRenderer.prototype.render = function(tiddler,store) {
return this.handler(tiddler,store,utils);
};
// The parse tree is degenerate
var ImageParseTree = function(type,text) {
this.type = type;
this.text = text;
this.dependencies = {};
};
ImageParseTree.prototype.compile = function(type) {
if(type === "text/html") {
if(this.type === "image/svg+xml") {
return new ImageRenderer("(function (tiddler,store,utils) {return '
';})");
} else {
return new ImageRenderer("(function (tiddler,store,utils) {return '
';})");
}
} else {
return null;
}
};
var ImageParser = function() {
};
ImageParser.prototype.parse = function(type,text) {
return new ImageParseTree(type,text);
};
exports.ImageParser = ImageParser;
})();