--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/crea/integration/libs/mustache.js Thu May 31 14:45:36 2012 +0200
@@ -0,0 +1,436 @@
+/*
+ mustache.js — Logic-less templates in JavaScript
+
+ See http://mustache.github.com/ for more info.
+*/
+
+var Mustache = function () {
+ var _toString = Object.prototype.toString;
+
+ Array.isArray = Array.isArray || function (obj) {
+ return _toString.call(obj) == "[object Array]";
+ }
+
+ var _trim = String.prototype.trim, trim;
+
+ if (_trim) {
+ trim = function (text) {
+ return text == null ? "" : _trim.call(text);
+ }
+ } else {
+ var trimLeft, trimRight;
+
+ // IE doesn't match non-breaking spaces with \s.
+ if ((/\S/).test("\xA0")) {
+ trimLeft = /^[\s\xA0]+/;
+ trimRight = /[\s\xA0]+$/;
+ } else {
+ trimLeft = /^\s+/;
+ trimRight = /\s+$/;
+ }
+
+ trim = function (text) {
+ return text == null ? "" :
+ text.toString().replace(trimLeft, "").replace(trimRight, "");
+ }
+ }
+
+ var escapeMap = {
+ "&": "&",
+ "<": "<",
+ ">": ">",
+ '"': '"',
+ "'": '''
+ };
+
+ function escapeHTML(string) {
+ return String(string).replace(/&(?!\w+;)|[<>"']/g, function (s) {
+ return escapeMap[s] || s;
+ });
+ }
+
+ var regexCache = {};
+ var Renderer = function () {};
+
+ Renderer.prototype = {
+ otag: "{{",
+ ctag: "}}",
+ pragmas: {},
+ buffer: [],
+ pragmas_implemented: {
+ "IMPLICIT-ITERATOR": true
+ },
+ context: {},
+
+ render: function (template, context, partials, in_recursion) {
+ // reset buffer & set context
+ if (!in_recursion) {
+ this.context = context;
+ this.buffer = []; // TODO: make this non-lazy
+ }
+
+ // fail fast
+ if (!this.includes("", template)) {
+ if (in_recursion) {
+ return template;
+ } else {
+ this.send(template);
+ return;
+ }
+ }
+
+ // get the pragmas together
+ template = this.render_pragmas(template);
+
+ // render the template
+ var html = this.render_section(template, context, partials);
+
+ // render_section did not find any sections, we still need to render the tags
+ if (html === false) {
+ html = this.render_tags(template, context, partials, in_recursion);
+ }
+
+ if (in_recursion) {
+ return html;
+ } else {
+ this.sendLines(html);
+ }
+ },
+
+ /*
+ Sends parsed lines
+ */
+ send: function (line) {
+ if (line !== "") {
+ this.buffer.push(line);
+ }
+ },
+
+ sendLines: function (text) {
+ if (text) {
+ var lines = text.split("\n");
+ for (var i = 0; i < lines.length; i++) {
+ this.send(lines[i]);
+ }
+ }
+ },
+
+ /*
+ Looks for %PRAGMAS
+ */
+ render_pragmas: function (template) {
+ // no pragmas
+ if (!this.includes("%", template)) {
+ return template;
+ }
+
+ var that = this;
+ var regex = this.getCachedRegex("render_pragmas", function (otag, ctag) {
+ return new RegExp(otag + "%([\\w-]+) ?([\\w]+=[\\w]+)?" + ctag, "g");
+ });
+
+ return template.replace(regex, function (match, pragma, options) {
+ if (!that.pragmas_implemented[pragma]) {
+ throw({message:
+ "This implementation of mustache doesn't understand the '" +
+ pragma + "' pragma"});
+ }
+ 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 curent scope and render it
+ */
+ render_partial: function (name, context, partials) {
+ name = trim(name);
+ if (!partials || partials[name] === undefined) {
+ throw({message: "unknown_partial '" + name + "'"});
+ }
+ if (!context || typeof context[name] != "object") {
+ return this.render(partials[name], context, partials, true);
+ }
+ return this.render(partials[name], context[name], partials, true);
+ },
+
+ /*
+ Renders inverted (^) and normal (#) sections
+ */
+ render_section: function (template, context, partials) {
+ if (!this.includes("#", template) && !this.includes("^", template)) {
+ // did not render anything, there were no sections
+ return false;
+ }
+
+ var that = this;
+
+ var regex = this.getCachedRegex("render_section", function (otag, ctag) {
+ // This regex matches _the first_ section ({{#foo}}{{/foo}}), and captures the remainder
+ return new RegExp(
+ "^([\\s\\S]*?)" + // all the crap at the beginning that is not {{*}} ($1)
+
+ otag + // {{
+ "(\\^|\\#)\\s*(.+)\\s*" + // #foo (# == $2, foo == $3)
+ ctag + // }}
+
+ "\n*([\\s\\S]*?)" + // between the tag ($2). leading newlines are dropped
+
+ otag + // {{
+ "\\/\\s*\\3\\s*" + // /foo (backreference to the opening tag).
+ ctag + // }}
+
+ "\\s*([\\s\\S]*)$", // everything else in the string ($4). leading whitespace is dropped.
+
+ "g");
+ });
+
+
+ // for each {{#foo}}{{/foo}} section do...
+ return template.replace(regex, function (match, before, type, name, content, after) {
+ // before contains only tags, no sections
+ var renderedBefore = before ? that.render_tags(before, context, partials, true) : "",
+
+ // after may contain both sections and tags, so use full rendering function
+ renderedAfter = after ? that.render(after, context, partials, true) : "",
+
+ // will be computed below
+ renderedContent,
+
+ value = that.find(name, context);
+
+ if (type === "^") { // inverted section
+ if (!value || Array.isArray(value) && value.length === 0) {
+ // false or empty list, render it
+ renderedContent = that.render(content, context, partials, true);
+ } else {
+ renderedContent = "";
+ }
+ } else if (type === "#") { // normal section
+ if (Array.isArray(value)) { // Enumerable, Let's loop!
+ renderedContent = that.map(value, function (row) {
+ return that.render(content, that.create_context(row), partials, true);
+ }).join("");
+ } else if (that.is_object(value)) { // Object, Use it as subcontext!
+ renderedContent = that.render(content, that.create_context(value),
+ partials, true);
+ } else if (typeof value == "function") {
+ // higher order section
+ renderedContent = value.call(context, content, function (text) {
+ return that.render(text, context, partials, true);
+ });
+ } else if (value) { // boolean section
+ renderedContent = that.render(content, context, partials, true);
+ } else {
+ renderedContent = "";
+ }
+ }
+
+ return renderedBefore + renderedContent + renderedAfter;
+ });
+ },
+
+ /*
+ 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 that.getCachedRegex("render_tags", function (otag, ctag) {
+ return new RegExp(otag + "(=|!|>|&|\\{|%)?([^#\\^]+?)\\1?" + ctag + "+", "g");
+ });
+ };
+
+ var regex = new_regex();
+ var tag_replace_callback = function (match, operator, name) {
+ switch(operator) {
+ case "!": // ignore comments
+ return "";
+ 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
+ case "&": // & operator is an alternative unescape method
+ return that.find(name, context);
+ default: // escape the value
+ return escapeHTML(that.find(name, context));
+ }
+ };
+ var lines = template.split("\n");
+ for(var i = 0; i < lines.length; i++) {
+ lines[i] = lines[i].replace(regex, tag_replace_callback, this);
+ if (!in_recursion) {
+ this.send(lines[i]);
+ }
+ }
+
+ if (in_recursion) {
+ 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 = trim(name);
+
+ // Checks whether a value is thruthy or false or 0
+ function is_kinda_truthy(bool) {
+ return bool === false || bool === 0 || bool;
+ }
+
+ var value;
+
+ // check for dot notation eg. foo.bar
+ if (name.match(/([a-z_]+)\./ig)) {
+ var childValue = this.walk_context(name, context);
+ if (is_kinda_truthy(childValue)) {
+ value = childValue;
+ }
+ } else {
+ if (is_kinda_truthy(context[name])) {
+ value = context[name];
+ } else if (is_kinda_truthy(this.context[name])) {
+ value = this.context[name];
+ }
+ }
+
+ if (typeof value == "function") {
+ return value.apply(context);
+ }
+ if (value !== undefined) {
+ return value;
+ }
+ // silently ignore unkown variables
+ return "";
+ },
+
+ walk_context: function (name, context) {
+ var path = name.split('.');
+ // if the var doesn't exist in current context, check the top level context
+ var value_context = (context[path[0]] != undefined) ? context : this.context;
+ var value = value_context[path.shift()];
+ while (value != undefined && path.length > 0) {
+ value_context = value;
+ value = value[path.shift()];
+ }
+ // if the value is a function, call it, binding the correct context
+ if (typeof value == "function") {
+ return value.apply(value_context);
+ }
+ return value;
+ },
+
+ // Utility methods
+
+ /* includes tag */
+ includes: function (needle, haystack) {
+ return haystack.indexOf(this.otag + needle) != -1;
+ },
+
+ // by @langalex, support for arrays of strings
+ create_context: function (_context) {
+ if (this.is_object(_context)) {
+ return _context;
+ } else {
+ var iterator = ".";
+ if (this.pragmas["IMPLICIT-ITERATOR"]) {
+ iterator = this.pragmas["IMPLICIT-ITERATOR"].iterator;
+ }
+ var ctx = {};
+ ctx[iterator] = _context;
+ return ctx;
+ }
+ },
+
+ is_object: function (a) {
+ return a && typeof a == "object";
+ },
+
+ /*
+ 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(var i = 0; i < l; i++) {
+ r.push(fn(array[i]));
+ }
+ return r;
+ }
+ },
+
+ getCachedRegex: function (name, generator) {
+ var byOtag = regexCache[this.otag];
+ if (!byOtag) {
+ byOtag = regexCache[this.otag] = {};
+ }
+
+ var byCtag = byOtag[this.ctag];
+ if (!byCtag) {
+ byCtag = byOtag[this.ctag] = {};
+ }
+
+ var regex = byCtag[name];
+ if (!regex) {
+ regex = byCtag[name] = generator(this.otag, this.ctag);
+ }
+
+ return regex;
+ }
+ };
+
+ return({
+ name: "mustache.js",
+ version: "0.5.0-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");
+ }
+ }
+ });
+}();