--- /dev/null
+/*
+ Shameless port of http://github.com/defunkt/mustache
+ by Jan Lehnardt <jan@apache.org>,
+ Alexander Lang <alex@upstream-berlin.com>,
+ Sebastian Cohnen <sebastian.cohnen@googlemail.com>
+
+ Thanks @defunkt for the awesome code.
+
+ See http://github.com/defunkt/mustache for more info.
+*/
+
+var Mustache = function() {
+ var Renderer = function() {};
+
+ Renderer.prototype = {
+ otag: "{{",
+ ctag: "}}",
+ pragmas: {},
+ buffer: [],
+ pragmas_parsed: false,
+
+ render: function(template, context, partials, in_recursion) {
+ // fail fast
+ if(template.indexOf(this.otag) == -1) {
+ if(in_recursion) {
+ return template;
+ } else {
+ this.send(template);
+ }
+ }
+
+ if(!in_recursion) {
+ this.buffer = [];
+ }
+
+ if(!this.pragmas_parsed) {
+ template = this.render_pragmas(template);
+ }
+ var html = this.render_section(template, context, partials);
+ if(in_recursion) {
+ return this.render_tags(html, context, partials, in_recursion);
+ }
+
+ this.render_tags(html, context, partials, in_recursion);
+ },
+
+ /*
+ Sends parsed lines
+ */
+ send: function(line) {
+ if(line != "") {
+ this.buffer.push(line);
+ }
+ },
+
+ /*
+ Looks for %PRAGMAS
+ */
+ render_pragmas: function(template) {
+ this.pragmas_parsed = true;
+ // no pragmas
+ if(template.indexOf(this.otag + "%") == -1) {
+ return template;
+ }
+
+ var that = this;
+ var regex = new RegExp(this.otag + "%([\\w_-]+) ?([\\w]+=[\\w]+)?"
+ + this.ctag);
+ return template.replace(regex, function(match, pragma, options) {
+ that.pragmas[pragma] = {};
+ if(options) {
+ var opts = options.split("=");
+ that.pragmas[pragma][opts[0]] = opts[1];
+ }
+ return "";
+ // ignore unknown pragmas silently
+ });
+ },
+
+ /*
+ Tries to find a partial in the global scope and render it
+ */
+ render_partial: function(name, context, partials) {
+ if(typeof(context[name]) != "object") {
+ throw({message: "subcontext for '" + name + "' is not an object"});
+ }
+ if(!partials || !partials[name]) {
+ throw({message: "unknown_partial '" + name + "'"});
+ }
+ return this.render(partials[name], context[name], partials, true);
+ },
+
+ /*
+ Renders boolean and enumerable sections
+ */
+ render_section: function(template, context, partials) {
+ if(template.indexOf(this.otag + "#") == -1) {
+ return template;
+ }
+ var that = this;
+ // CSW - Added "+?" so it finds the tighest bound, not the widest
+ var regex = new RegExp(this.otag + "\\#(.+)" + this.ctag +
+ "\\s*([\\s\\S]+?)" + this.otag + "\\/\\1" + this.ctag + "\\s*", "mg");
+
+ // for each {{#foo}}{{/foo}} section do...
+ return template.replace(regex, function(match, name, content) {
+ var value = that.find(name, context);
+ if(that.is_array(value)) { // Enumerable, Let's loop!
+ return that.map(value, function(row) {
+ return that.render(content, that.merge(context,
+ that.create_context(row)), partials, true);
+ }).join("");
+ } else if (that.is_iterator(value)) {
+ var result = [];
+ var row;
+ while (row = value()) {
+ result.push(that.render(content, that.merge(context,
+ that.create_context(row)), partials, true));
+ } // fuck buffering, works for now though.
+ return result.join('');
+ } else if(value) { // boolean section
+ return that.render(content, context, partials, true);
+ } else {
+ return "";
+ }
+ });
+ },
+
+ /*
+ Replace {{foo}} and friends with values from our view
+ */
+ render_tags: function(template, context, partials, in_recursion) {
+ // tit for tat
+ var that = this;
+
+ var new_regex = function() {
+ return new RegExp(that.otag + "(=|!|>|\\{|%)?([^\/#]+?)\\1?" +
+ that.ctag + "+", "g");
+ };
+
+ var regex = new_regex();
+ var lines = template.split("\n");
+ for (var i=0; i < lines.length; i++) {
+ lines[i] = lines[i].replace(regex, function(match, operator, name) {
+ switch(operator) {
+ case "!": // ignore comments
+ return match;
+ case "=": // set new delimiters, rebuild the replace regexp
+ that.set_delimiters(name);
+ regex = new_regex();
+ return "";
+ case ">": // render partial
+ return that.render_partial(name, context, partials);
+ case "{": // the triple mustache is unescaped
+ return that.find(name, context);
+ default: // escape the value
+ return that.escape(that.find(name, context));
+ }
+ }, this);
+ if(!in_recursion) {
+ this.send(lines[i]);
+ }
+ }
+ return lines.join("\n");
+ },
+
+ set_delimiters: function(delimiters) {
+ var dels = delimiters.split(" ");
+ this.otag = this.escape_regex(dels[0]);
+ this.ctag = this.escape_regex(dels[1]);
+ },
+
+ escape_regex: function(text) {
+ // thank you Simon Willison
+ if(!arguments.callee.sRE) {
+ var specials = [
+ '/', '.', '*', '+', '?', '|',
+ '(', ')', '[', ']', '{', '}', '\\'
+ ];
+ arguments.callee.sRE = new RegExp(
+ '(\\' + specials.join('|\\') + ')', 'g'
+ );
+ }
+ return text.replace(arguments.callee.sRE, '\\$1');
+ },
+
+ /*
+ find `name` in current `context`. That is find me a value
+ from the view object
+ */
+ find: function(name, context) {
+ name = this.trim(name);
+ if(typeof context[name] === "function" && !context[name].iterator) {
+ return context[name].apply(context);
+ }
+ if(context[name] !== undefined) {
+ return context[name];
+ }
+ // silently ignore unkown variables
+ return "";
+ },
+
+ // Utility methods
+
+ /*
+ Does away with nasty characters
+ */
+ escape: function(s) {
+ return ((s == null) ? "" : s).toString().replace(/[&"<>\\]/g, function(s) {
+ switch(s) {
+ case "&": return "&";
+ case "\\": return "\\\\";;
+ case '"': return '\"';;
+ case "<": return "<";
+ case ">": return ">";
+ default: return s;
+ }
+ });
+ },
+
+ /*
+ Merges all properties of object `b` into object `a`.
+ `b.property` overwrites a.property`
+ */
+ merge: function(a, b) {
+ var _new = {};
+ for(var name in a) {
+ if(a.hasOwnProperty(name)) {
+ _new[name] = a[name];
+ }
+ };
+ for(var name in b) {
+ if(b.hasOwnProperty(name)) {
+ _new[name] = b[name];
+ }
+ };
+ return _new;
+ },
+
+ // by @langalex, support for arrays of strings
+ create_context: function(_context) {
+ if(this.is_object(_context)) {
+ return _context;
+ } else if(this.pragmas["IMPLICIT-ITERATOR"]) {
+ var iterator = this.pragmas["IMPLICIT-ITERATOR"].iterator || ".";
+ var ctx = {};
+ ctx[iterator] = _context
+ return ctx;
+ }
+ },
+
+ is_object: function(a) {
+ return a && typeof a == "object";
+ },
+
+ is_array: function(a) {
+ return Object.prototype.toString.call(a) === '[object Array]';
+ },
+
+ is_iterator : function(f) {
+ return (typeof f === 'function' && f.iterator);
+ },
+
+ /*
+ Gets rid of leading and trailing whitespace
+ */
+ trim: function(s) {
+ return s.replace(/^\s*|\s*$/g, "");
+ },
+
+ /*
+ Why, why, why? Because IE. Cry, cry cry.
+ */
+ map: function(array, fn) {
+ if (typeof array.map == "function") {
+ return array.map(fn)
+ } else {
+ var r = [];
+ var l = array.length;
+ for(i=0;i<l;i++) {
+ r.push(fn(array[i]));
+ }
+ return r;
+ }
+ }
+ };
+
+ return({
+ name: "mustache.js",
+ version: "0.2.3-dev",
+
+ /*
+ Turns a template and view into HTML
+ */
+ to_html: function(template, view, partials, send_fun) {
+ var renderer = new Renderer();
+ if(send_fun) {
+ renderer.send = send_fun;
+ }
+ renderer.render(template, view, partials);
+ if(!send_fun) {
+ return renderer.buffer.join("\n");
+ }
+ },
+ escape : function(string) {
+ var renderer = new Renderer();
+ return renderer.escape(string);
+ }
+ });
+}();
+// for CommonJS
+if (exports) {
+ exports.to_html = Mustache.to_html;
+ exports.escape = Mustache.escape;
+}
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