[extensions-web] js: Update mustache



commit bae571f632b6de5832e4eec2bba5796c4a94ba76
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Tue Sep 25 18:02:04 2012 -0300

    js: Update mustache

 sweettooth/static/js/mustache.js  |  914 ++++++++++++++++++++-----------------
 sweettooth/static/js/templates.js |   17 +-
 2 files changed, 501 insertions(+), 430 deletions(-)
---
diff --git a/sweettooth/static/js/mustache.js b/sweettooth/static/js/mustache.js
index 9c61671..7165a8a 100644
--- a/sweettooth/static/js/mustache.js
+++ b/sweettooth/static/js/mustache.js
@@ -2,541 +2,621 @@
  * mustache.js - Logic-less {{mustache}} templates with JavaScript
  * http://github.com/janl/mustache.js
  */
-var Mustache = (typeof module !== "undefined" && module.exports) || {};
 
-(function (exports) {
-
-  exports.name = "mustache.js";
-  exports.version = "0.5.0-dev";
-  exports.tags = ["{{", "}}"];
-  exports.parse = parse;
-  exports.compile = compile;
-  exports.render = render;
-  exports.clearCache = clearCache;
-
-  // This is here for backwards compatibility with 0.4.x.
-  exports.to_html = function (template, view, partials, send) {
-    var result = render(template, view, partials);
-
-    if (typeof send === "function") {
-      send(result);
-    } else {
-      return result;
-    }
-  };
+/*global define: false*/
 
-  var _toString = Object.prototype.toString;
-  var _isArray = Array.isArray;
-  var _forEach = Array.prototype.forEach;
-  var _trim = String.prototype.trim;
+var Mustache;
 
-  var isArray;
-  if (_isArray) {
-    isArray = _isArray;
+(function (exports) {
+  if (typeof module !== "undefined" && module.exports) {
+    module.exports = exports; // CommonJS
+  } else if (typeof define === "function") {
+    define(exports); // AMD
   } else {
-    isArray = function (obj) {
-      return _toString.call(obj) === "[object Array]";
-    };
+    Mustache = exports; // <script>
   }
+}((function () {
 
-  var forEach;
-  if (_forEach) {
-    forEach = function (obj, callback, scope) {
-      return _forEach.call(obj, callback, scope);
-    };
-  } else {
-    forEach = function (obj, callback, scope) {
-      for (var i = 0, len = obj.length; i < len; ++i) {
-        callback.call(scope, obj[i], i, obj);
-      }
-    };
-  }
+  var exports = {};
 
-  var spaceRe = /^\s*$/;
+  exports.name = "mustache.js";
+  exports.version = "0.7.0";
+  exports.tags = ["{{", "}}"];
 
-  function isWhitespace(string) {
-    return spaceRe.test(string);
+  exports.Scanner = Scanner;
+  exports.Context = Context;
+  exports.Writer = Writer;
+
+  var whiteRe = /\s*/;
+  var spaceRe = /\s+/;
+  var nonSpaceRe = /\S/;
+  var eqRe = /\s*=/;
+  var curlyRe = /\s*\}/;
+  var tagRe = /#|\^|\/|>|\{|&|=|!/;
+
+  // Workaround for https://issues.apache.org/jira/browse/COUCHDB-577
+  // See https://github.com/janl/mustache.js/issues/189
+  function testRe(re, string) {
+    return RegExp.prototype.test.call(re, string);
   }
 
-  var trim;
-  if (_trim) {
-    trim = function (string) {
-      return string == null ? "" : _trim.call(string);
-    };
-  } else {
-    var trimLeft, trimRight;
+  function isWhitespace(string) {
+    return !testRe(nonSpaceRe, string);
+  }
 
-    if (isWhitespace("\xA0")) {
-      trimLeft = /^\s+/;
-      trimRight = /\s+$/;
-    } else {
-      // IE doesn't match non-breaking spaces with \s, thanks jQuery.
-      trimLeft = /^[\s\xA0]+/;
-      trimRight = /[\s\xA0]+$/;
-    }
+  var isArray = Array.isArray || function (obj) {
+    return Object.prototype.toString.call(obj) === "[object Array]";
+  };
 
-    trim = function (string) {
-      return string == null ? "" :
-        String(string).replace(trimLeft, "").replace(trimRight, "");
-    };
+  function escapeRe(string) {
+    return string.replace(/[\-\[\]{}()*+?.,\\\^$|#\s]/g, "\\$&");
   }
 
-  var escapeMap = {
+  var entityMap = {
     "&": "&amp;",
     "<": "&lt;",
     ">": "&gt;",
     '"': '&quot;',
-    "'": '&#39;'
+    "'": '&#39;',
+    "/": '&#x2F;'
   };
 
-  function escapeHTML(string) {
-    return String(string).replace(/&(?!\w+;)|[<>"']/g, function (s) {
-      return escapeMap[s] || s;
+  function escapeHtml(string) {
+    return String(string).replace(/[&<>"'\/]/g, function (s) {
+      return entityMap[s];
     });
   }
 
+  // Export the escaping function so that the user may override it.
+  // See https://github.com/janl/mustache.js/issues/244
+  exports.escape = escapeHtml;
+
+  function Scanner(string) {
+    this.string = string;
+    this.tail = string;
+    this.pos = 0;
+  }
+
   /**
-   * Adds the `template`, `line`, and `file` properties to the given error
-   * object and alters the message to provide more useful debugging information.
+   * Returns `true` if the tail is empty (end of string).
    */
-  function debug(e, template, line, file) {
-    file = file || "<template>";
-
-    var lines = template.split("\n"),
-        start = Math.max(line - 3, 0),
-        end = Math.min(lines.length, line + 3),
-        context = lines.slice(start, end);
-
-    var c;
-    for (var i = 0, len = context.length; i < len; ++i) {
-      c = i + start + 1;
-      context[i] = (c === line ? " >> " : "    ") + context[i];
-    }
+  Scanner.prototype.eos = function () {
+    return this.tail === "";
+  };
 
-    e.template = template;
-    e.line = line;
-    e.file = file;
-    e.message = [file + ":" + line, context.join("\n"), "", e.message].join("\n");
+  /**
+   * Tries to match the given regular expression at the current position.
+   * Returns the matched text if it can match, the empty string otherwise.
+   */
+  Scanner.prototype.scan = function (re) {
+    var match = this.tail.match(re);
 
-    return e;
-  }
+    if (match && match.index === 0) {
+      this.tail = this.tail.substring(match[0].length);
+      this.pos += match[0].length;
+      return match[0];
+    }
+
+    return "";
+  };
 
   /**
-   * Looks up the value of the given `name` in the given context `stack`.
+   * Skips all text until the given regular expression can be matched. Returns
+   * the skipped string, which is the entire tail if no match can be made.
    */
-  function lookup(name, stack, defaultValue) {
-    if (name === ".") {
-      return stack[stack.length - 1];
+  Scanner.prototype.scanUntil = function (re) {
+    var match, pos = this.tail.search(re);
+
+    switch (pos) {
+    case -1:
+      match = this.tail;
+      this.pos += this.tail.length;
+      this.tail = "";
+      break;
+    case 0:
+      match = "";
+      break;
+    default:
+      match = this.tail.substring(0, pos);
+      this.tail = this.tail.substring(pos);
+      this.pos += pos;
     }
 
-    var names = name.split(".");
-    var lastIndex = names.length - 1;
-    var target = names[lastIndex];
+    return match;
+  };
 
-    var value, context, i = stack.length, j, localStack;
-    while (i) {
-      localStack = stack.slice(0);
-      context = stack[--i];
+  function Context(view, parent) {
+    this.view = view;
+    this.parent = parent;
+    this.clearCache();
+  }
 
-      j = 0;
-      while (j < lastIndex) {
-        context = context[names[j++]];
+  Context.make = function (view) {
+    return (view instanceof Context) ? view : new Context(view);
+  };
 
-        if (context == null) {
-          break;
-        }
+  Context.prototype.clearCache = function () {
+    this._cache = {};
+  };
 
-        localStack.push(context);
-      }
+  Context.prototype.push = function (view) {
+    return new Context(view, this);
+  };
 
-      if (context && typeof context === "object" && target in context) {
-        value = context[target];
-        break;
+  Context.prototype.lookup = function (name) {
+    var value = this._cache[name];
+
+    if (!value) {
+      if (name === ".") {
+        value = this.view;
+      } else {
+        var context = this;
+
+        while (context) {
+          if (name.indexOf(".") > 0) {
+            var names = name.split("."), i = 0;
+
+            value = context.view;
+
+            while (value && i < names.length) {
+              value = value[names[i++]];
+            }
+          } else {
+            value = context.view[name];
+          }
+
+          if (value != null) {
+            break;
+          }
+
+          context = context.parent;
+        }
       }
-    }
 
-    // If the value is a function, call it in the current context.
-    if (typeof value === "function") {
-      value = value.call(localStack[localStack.length - 1]);
+      this._cache[name] = value;
     }
 
-    if (value == null)  {
-      return defaultValue;
+    if (typeof value === "function") {
+      value = value.call(this.view);
     }
 
     return value;
+  };
+
+  function Writer() {
+    this.clearCache();
   }
 
-  function renderSection(name, stack, callback, inverted) {
-    var buffer = "";
-    var value =  lookup(name, stack);
+  Writer.prototype.clearCache = function () {
+    this._cache = {};
+    this._partialCache = {};
+  };
 
-    if (inverted) {
-      // From the spec: inverted sections may render text once based on the
-      // inverse value of the key. That is, they will be rendered if the key
-      // doesn't exist, is false, or is an empty list.
-      if (value == null || value === false || (isArray(value) && value.length === 0)) {
-        buffer += callback();
-      }
-    } else if (isArray(value)) {
-      forEach(value, function (value) {
-        stack.push(value);
-        buffer += callback();
-        stack.pop();
-      });
-    } else if (typeof value === "object") {
-      stack.push(value);
-      buffer += callback();
-      stack.pop();
-    } else if (typeof value === "function") {
-      var scope = stack[stack.length - 1];
-      var scopedRender = function (template) {
-        return render(template, scope);
-      };
-      buffer += value.call(scope, callback(), scopedRender) || "";
-    } else if (value) {
-      buffer += callback();
-    }
+  Writer.prototype.compile = function (template, tags) {
+    var fn = this._cache[template];
 
-    return buffer;
-  }
+    if (!fn) {
+      var tokens = exports.parse(template, tags);
+      fn = this._cache[template] = this.compileTokens(tokens, template);
+    }
 
-  /**
-   * Parses the given `template` and returns the source of a function that,
-   * with the proper arguments, will render the template. Recognized options
-   * include the following:
-   *
-   *   - file     The name of the file the template comes from (displayed in
-   *              error messages)
-   *   - tags     An array of open and close tags the `template` uses. Defaults
-   *              to the value of Mustache.tags
-   *   - debug    Set `true` to log the body of the generated function to the
-   *              console
-   *   - space    Set `true` to preserve whitespace from lines that otherwise
-   *              contain only a {{tag}}. Defaults to `false`
-   */
-  function parse(template, options) {
-    options = options || {};
-
-    var tags = options.tags || exports.tags,
-        openTag = tags[0],
-        closeTag = tags[tags.length - 1];
-
-    var code = [
-      'var buffer = "";', // output buffer
-      "\nvar line = 1;", // keep track of source line number
-      "\ntry {",
-      '\nbuffer += "'
-    ];
+    return fn;
+  };
 
-    var spaces = [],      // indices of whitespace in code on the current line
-        hasTag = false,   // is there a {{tag}} on the current line?
-        nonSpace = false; // is there a non-space char on the current line?
+  Writer.prototype.compilePartial = function (name, template, tags) {
+    var fn = this.compile(template, tags);
+    this._partialCache[name] = fn;
+    return fn;
+  };
 
-    // Strips all space characters from the code array for the current line
-    // if there was a {{tag}} on it and otherwise only spaces.
-    var stripSpace = function () {
-      if (hasTag && !nonSpace && !options.space) {
-        while (spaces.length) {
-          code.splice(spaces.pop(), 1);
+  Writer.prototype.compileTokens = function (tokens, template) {
+    var fn = compileTokens(tokens);
+    var self = this;
+
+    return function (view, partials) {
+      if (partials) {
+        if (typeof partials === "function") {
+          self._loadPartial = partials;
+        } else {
+          for (var name in partials) {
+            self.compilePartial(name, partials[name]);
+          }
         }
-      } else {
-        spaces = [];
       }
 
-      hasTag = false;
-      nonSpace = false;
+      return fn(self, Context.make(view), template);
     };
+  };
 
-    var sectionStack = [], updateLine, nextOpenTag, nextCloseTag;
+  Writer.prototype.render = function (template, view, partials) {
+    return this.compile(template)(view, partials);
+  };
 
-    var setTags = function (source) {
-      tags = trim(source).split(/\s+/);
-      nextOpenTag = tags[0];
-      nextCloseTag = tags[tags.length - 1];
-    };
+  Writer.prototype._section = function (name, context, text, callback) {
+    var value = context.lookup(name);
 
-    var includePartial = function (source) {
-      code.push(
-        '";',
-        updateLine,
-        '\nvar partial = partials["' + trim(source) + '"];',
-        '\nif (partial) {',
-        '\n  buffer += render(partial,stack[stack.length - 1],partials);',
-        '\n}',
-        '\nbuffer += "'
-      );
-    };
+    switch (typeof value) {
+    case "object":
+      if (isArray(value)) {
+        var buffer = "";
 
-    var openSection = function (source, inverted) {
-      var name = trim(source);
+        for (var i = 0, len = value.length; i < len; ++i) {
+          buffer += callback(this, context.push(value[i]));
+        }
 
-      if (name === "") {
-        throw debug(new Error("Section name may not be empty"), template, line, options.file);
+        return buffer;
       }
 
-      sectionStack.push({name: name, inverted: inverted});
-
-      code.push(
-        '";',
-        updateLine,
-        '\nvar name = "' + name + '";',
-        '\nvar callback = (function () {',
-        '\n  return function () {',
-        '\n    var buffer = "";',
-        '\nbuffer += "'
-      );
-    };
+      return value ? callback(this, context.push(value)) : "";
+    case "function":
+      var self = this;
+      var scopedRender = function (template) {
+        return self.render(template, context);
+      };
 
-    var openInvertedSection = function (source) {
-      openSection(source, true);
-    };
+      return value.call(context.view, text, scopedRender) || "";
+    default:
+      if (value) {
+        return callback(this, context);
+      }
+    }
 
-    var closeSection = function (source) {
-      var name = trim(source);
-      var openName = sectionStack.length != 0 && sectionStack[sectionStack.length - 1].name;
+    return "";
+  };
 
-      if (!openName || name != openName) {
-        throw debug(new Error('Section named "' + name + '" was never opened'), template, line, options.file);
-      }
+  Writer.prototype._inverted = function (name, context, callback) {
+    var value = context.lookup(name);
 
-      var section = sectionStack.pop();
+    // Use JavaScript's definition of falsy. Include empty arrays.
+    // See https://github.com/janl/mustache.js/issues/186
+    if (!value || (isArray(value) && value.length === 0)) {
+      return callback(this, context);
+    }
 
-      code.push(
-        '";',
-        '\n    return buffer;',
-        '\n  };',
-        '\n})();'
-      );
+    return "";
+  };
 
-      if (section.inverted) {
-        code.push("\nbuffer += renderSection(name,stack,callback,true);");
-      } else {
-        code.push("\nbuffer += renderSection(name,stack,callback);");
+  Writer.prototype._partial = function (name, context) {
+    if (!(name in this._partialCache) && this._loadPartial) {
+      this.compilePartial(name, this._loadPartial(name));
+    }
+
+    var fn = this._partialCache[name];
+
+    return fn ? fn(context) : "";
+  };
+
+  Writer.prototype._name = function (name, context) {
+    var value = context.lookup(name);
+
+    if (typeof value === "function") {
+      value = value.call(context.view);
+    }
+
+    return (value == null) ? "" : String(value);
+  };
+
+  Writer.prototype._escaped = function (name, context) {
+    return exports.escape(this._name(name, context));
+  };
+
+  /**
+   * Calculates the bounds of the section represented by the given `token` in
+   * the original template by drilling down into nested sections to find the
+   * last token that is part of that section. Returns an array of [start, end].
+   */
+  function sectionBounds(token) {
+    var start = token[3];
+    var end = start;
+
+    var tokens;
+    while ((tokens = token[4]) && tokens.length) {
+      token = tokens[tokens.length - 1];
+      end = token[3];
+    }
+
+    return [start, end];
+  }
+
+  /**
+   * Low-level function that compiles the given `tokens` into a function
+   * that accepts three arguments: a Writer, a Context, and the template.
+   */
+  function compileTokens(tokens) {
+    var subRenders = {};
+
+    function subRender(i, tokens, template) {
+      if (!subRenders[i]) {
+        var fn = compileTokens(tokens);
+        subRenders[i] = function (writer, context) {
+          return fn(writer, context, template);
+        };
       }
 
-      code.push('\nbuffer += "');
-    };
+      return subRenders[i];
+    }
 
-    var sendPlain = function (source) {
-      code.push(
-        '";',
-        updateLine,
-        '\nbuffer += lookup("' + trim(source) + '",stack,"");',
-        '\nbuffer += "'
-      );
-    };
+    return function (writer, context, template) {
+      var buffer = "";
+      var token, sectionText;
 
-    var sendEscaped = function (source) {
-      code.push(
-        '";',
-        updateLine,
-        '\nbuffer += escapeHTML(lookup("' + trim(source) + '",stack,""));',
-        '\nbuffer += "'
-      );
-    };
+      for (var i = 0, len = tokens.length; i < len; ++i) {
+        token = tokens[i];
 
-    var line = 1, c, callback;
-    for (var i = 0, len = template.length; i < len; ++i) {
-      if (template.slice(i, i + openTag.length) === openTag) {
-        i += openTag.length;
-        c = template.substr(i, 1);
-        updateLine = '\nline = ' + line + ';';
-        nextOpenTag = openTag;
-        nextCloseTag = closeTag;
-        hasTag = true;
-
-        switch (c) {
-        case "!": // comment
-          i++;
-          callback = null;
+        switch (token[0]) {
+        case "#":
+          sectionText = template.slice.apply(template, sectionBounds(token));
+          buffer += writer._section(token[1], context, sectionText, subRender(i, token[4], template));
           break;
-        case "=": // change open/close tags, e.g. {{=<% %>=}}
-          i++;
-          closeTag = "=" + closeTag;
-          callback = setTags;
+        case "^":
+          buffer += writer._inverted(token[1], context, subRender(i, token[4], template));
           break;
-        case ">": // include partial
-          i++;
-          callback = includePartial;
+        case ">":
+          buffer += writer._partial(token[1], context);
           break;
-        case "#": // start section
-          i++;
-          callback = openSection;
+        case "&":
+          buffer += writer._name(token[1], context);
           break;
-        case "^": // start inverted section
-          i++;
-          callback = openInvertedSection;
+        case "name":
+          buffer += writer._escaped(token[1], context);
           break;
-        case "/": // end section
-          i++;
-          callback = closeSection;
+        case "text":
+          buffer += token[1];
           break;
-        case "{": // plain variable
-          closeTag = "}" + closeTag;
-          // fall through
-        case "&": // plain variable
-          i++;
-          nonSpace = true;
-          callback = sendPlain;
-          break;
-        default: // escaped variable
-          nonSpace = true;
-          callback = sendEscaped;
         }
+      }
 
-        var end = template.indexOf(closeTag, i);
+      return buffer;
+    };
+  }
 
-        if (end === -1) {
-          throw debug(new Error('Tag "' + openTag + '" was not closed properly'), template, line, options.file);
+  /**
+   * Forms the given array of `tokens` into a nested tree structure where
+   * tokens that represent a section have a fifth item: an array that contains
+   * all tokens in that section.
+   */
+  function nestTokens(tokens) {
+    var tree = [];
+    var collector = tree;
+    var sections = [];
+    var token, section;
+
+    for (var i = 0; i < tokens.length; ++i) {
+      token = tokens[i];
+
+      switch (token[0]) {
+      case "#":
+      case "^":
+        token[4] = [];
+        sections.push(token);
+        collector.push(token);
+        collector = token[4];
+        break;
+      case "/":
+        if (sections.length === 0) {
+          throw new Error("Unopened section: " + token[1]);
         }
 
-        var source = template.substring(i, end);
+        section = sections.pop();
 
-        if (callback) {
-          callback(source);
+        if (section[1] !== token[1]) {
+          throw new Error("Unclosed section: " + section[1]);
         }
 
-        // Maintain line count for \n in source.
-        var n = 0;
-        while (~(n = source.indexOf("\n", n))) {
-          line++;
-          n++;
+        if (sections.length > 0) {
+          collector = sections[sections.length - 1][4];
+        } else {
+          collector = tree;
         }
+        break;
+      default:
+        collector.push(token);
+      }
+    }
 
-        i = end + closeTag.length - 1;
-        openTag = nextOpenTag;
-        closeTag = nextCloseTag;
+    // Make sure there were no open sections when we're done.
+    section = sections.pop();
+
+    if (section) {
+      throw new Error("Unclosed section: " + section[1]);
+    }
+
+    return tree;
+  }
+
+  /**
+   * Combines the values of consecutive text tokens in the given `tokens` array
+   * to a single token.
+   */
+  function squashTokens(tokens) {
+    var token, lastToken;
+
+    for (var i = 0; i < tokens.length; ++i) {
+      token = tokens[i];
+
+      if (lastToken && lastToken[0] === "text" && token[0] === "text") {
+        lastToken[1] += token[1];
+        lastToken[3] = token[3];
+        tokens.splice(i--, 1); // Remove this token from the array.
       } else {
-        c = template.substr(i, 1);
+        lastToken = token;
+      }
+    }
+  }
 
-        switch (c) {
-        case '"':
-        case "\\":
-          nonSpace = true;
-          code.push("\\" + c);
-          break;
-        case "\r":
-          // Ignore carriage returns.
-          break;
-        case "\n":
-          spaces.push(code.length);
-          code.push("\\n");
-          stripSpace(); // Check for whitespace on the current line.
-          line++;
-          break;
-        default:
-          if (isWhitespace(c)) {
-            spaces.push(code.length);
+  function escapeTags(tags) {
+    if (tags.length !== 2) {
+      throw new Error("Invalid tags: " + tags.join(" "));
+    }
+
+    return [
+      new RegExp(escapeRe(tags[0]) + "\\s*"),
+      new RegExp("\\s*" + escapeRe(tags[1]))
+    ];
+  }
+
+  /**
+   * Breaks up the given `template` string into a tree of token objects. If
+   * `tags` is given here it must be an array with two string values: the
+   * opening and closing tags used in the template (e.g. ["<%", "%>"]). Of
+   * course, the default is to use mustaches (i.e. Mustache.tags).
+   */
+  exports.parse = function (template, tags) {
+    tags = tags || exports.tags;
+
+    var tagRes = escapeTags(tags);
+    var scanner = new Scanner(template);
+
+    var tokens = [],      // Buffer to hold the tokens
+        spaces = [],      // Indices of whitespace tokens on the current line
+        hasTag = false,   // Is there a {{tag}} on the current line?
+        nonSpace = false; // Is there a non-space char on the current line?
+
+    // Strips all whitespace tokens array for the current line
+    // if there was a {{#tag}} on it and otherwise only space.
+    function stripSpace() {
+      if (hasTag && !nonSpace) {
+        while (spaces.length) {
+          tokens.splice(spaces.pop(), 1);
+        }
+      } else {
+        spaces = [];
+      }
+
+      hasTag = false;
+      nonSpace = false;
+    }
+
+    var start, type, value, chr;
+
+    while (!scanner.eos()) {
+      start = scanner.pos;
+      value = scanner.scanUntil(tagRes[0]);
+
+      if (value) {
+        for (var i = 0, len = value.length; i < len; ++i) {
+          chr = value.charAt(i);
+
+          if (isWhitespace(chr)) {
+            spaces.push(tokens.length);
           } else {
             nonSpace = true;
           }
 
-          code.push(c);
+          tokens.push(["text", chr, start, start + 1]);
+          start += 1;
+
+          if (chr === "\n") {
+            stripSpace(); // Check for whitespace on the current line.
+          }
         }
       }
-    }
 
-    if (sectionStack.length != 0) {
-      throw debug(new Error('Section "' + sectionStack[sectionStack.length - 1].name + '" was not closed properly'), template, line, options.file);
-    }
+      start = scanner.pos;
 
-    // Clean up any whitespace from a closing {{tag}} that was at the end
-    // of the template without a trailing \n.
-    stripSpace();
+      // Match the opening tag.
+      if (!scanner.scan(tagRes[0])) {
+        break;
+      }
 
-    code.push(
-      '";',
-      "\nreturn buffer;",
-      "\n} catch (e) { throw {error: e, line: line}; }"
-    );
+      hasTag = true;
+      type = scanner.scan(tagRe) || "name";
+
+      // Skip any whitespace between tag and value.
+      scanner.scan(whiteRe);
+
+      // Extract the tag value.
+      if (type === "=") {
+        value = scanner.scanUntil(eqRe);
+        scanner.scan(eqRe);
+        scanner.scanUntil(tagRes[1]);
+      } else if (type === "{") {
+        var closeRe = new RegExp("\\s*" + escapeRe("}" + tags[1]));
+        value = scanner.scanUntil(closeRe);
+        scanner.scan(curlyRe);
+        scanner.scanUntil(tagRes[1]);
+        type = "&";
+      } else {
+        value = scanner.scanUntil(tagRes[1]);
+      }
+
+      // Match the closing tag.
+      if (!scanner.scan(tagRes[1])) {
+        throw new Error("Unclosed tag at " + scanner.pos);
+      }
 
-    // Ignore `buffer += "";` statements.
-    var body = code.join("").replace(/buffer \+= "";\n/g, "");
+      tokens.push([type, value, start, scanner.pos]);
 
-    if (options.debug) {
-      if (typeof console != "undefined" && console.log) {
-        console.log(body);
-      } else if (typeof print === "function") {
-        print(body);
+      if (type === "name" || type === "{" || type === "&") {
+        nonSpace = true;
+      }
+
+      // Set the tags for the next time around.
+      if (type === "=") {
+        tags = value.split(spaceRe);
+        tagRes = escapeTags(tags);
       }
     }
 
-    return body;
-  }
+    squashTokens(tokens);
+
+    return nestTokens(tokens);
+  };
+
+  // The high-level clearCache, compile, compilePartial, and render functions
+  // use this default writer.
+  var _writer = new Writer();
 
   /**
-   * Used by `compile` to generate a reusable function for the given `template`.
+   * Clears all cached templates and partials in the default writer.
    */
-  function _compile(template, options) {
-    var args = "view,partials,stack,lookup,escapeHTML,renderSection,render";
-    var body = parse(template, options);
-    var fn = new Function(args, body);
-
-    // This anonymous function wraps the generated function so we can do
-    // argument coercion, setup some variables, and handle any errors
-    // encountered while executing it.
-    var template = function (view, partials) {
-      partials = partials || {};
-
-      var stack = [view]; // context stack
-
-      try {
-        return fn(view, partials, stack, lookup, escapeHTML, renderSection, render);
-      } catch (e) {
-        throw debug(e.error, template, e.line, options.file);
-      }
-    };
-    template.compiled = true;
-    return template;
-  }
+  exports.clearCache = function () {
+    return _writer.clearCache();
+  };
 
-  // Cache of pre-compiled templates.
-  var _cache = {};
+  /**
+   * Compiles the given `template` to a reusable function using the default
+   * writer.
+   */
+  exports.compile = function (template, tags) {
+    return _writer.compile(template, tags);
+  };
 
   /**
-   * Clear the cache of compiled templates.
+   * Compiles the partial with the given `name` and `template` to a reusable
+   * function using the default writer.
    */
-  function clearCache() {
-    _cache = {};
-  }
+  exports.compilePartial = function (name, template, tags) {
+    return _writer.compilePartial(name, template, tags);
+  };
 
   /**
-   * Compiles the given `template` into a reusable function using the given
-   * `options`. In addition to the options accepted by Mustache.parse,
-   * recognized options include the following:
-   *
-   *   - cache    Set `false` to bypass any pre-compiled version of the given
-   *              template. Otherwise, a given `template` string will be cached
-   *              the first time it is parsed
+   * Compiles the given array of tokens (the output of a parse) to a reusable
+   * function using the default writer.
    */
-  function compile(template, options) {
-    options = options || {};
+  exports.compileTokens = function (tokens, template) {
+    return _writer.compileTokens(tokens, template);
+  };
 
-    if (typeof template === "function" && template.compiled) {
-      return template;
-    }
+  /**
+   * Renders the `template` with the given `view` and `partials` using the
+   * default writer.
+   */
+  exports.render = function (template, view, partials) {
+    return _writer.render(template, view, partials);
+  };
 
-    // Use a pre-compiled version from the cache if we have one.
-    if (options.cache !== false) {
-      if (!_cache[template]) {
-        _cache[template] = _compile(template, options);
-      }
+  // This is here for backwards compatibility with 0.4.x.
+  exports.to_html = function (template, view, partials, send) {
+    var result = exports.render(template, view, partials);
 
-      return _cache[template];
+    if (typeof send === "function") {
+      send(result);
+    } else {
+      return result;
     }
+  };
 
-    return _compile(template, options);
-  }
-
-  /**
-   * High-level function that renders the given `template` using the given
-   * `view` and `partials`. If you need to use any of the template options (see
-   * `compile` above), you must compile in a separate step, and then call that
-   * compiled function.
-   */
-  function render(template, view, partials) {
-    return compile(template)(view, partials);
-  }
+  return exports;
 
-})(Mustache);
+}())));
diff --git a/sweettooth/static/js/templates.js b/sweettooth/static/js/templates.js
index 3a24daf..57c68b3 100644
--- a/sweettooth/static/js/templates.js
+++ b/sweettooth/static/js/templates.js
@@ -1,22 +1,11 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
 
-define(['templates/templatedata', 'mustache'], function(templatedata) {
+define(['templates/templatedata', 'mustache'], function(templatedata, mustache) {
     "use strict";
 
     var exports = {};
-    var partials = exports._P = {};
     exports._T = templatedata;
 
-    function compile(template) {
-        // We have our own template caching, don't use Mustache's.
-        var compiled = Mustache.compile(template, { cache: false });
-        var wrapper = function(view) {
-            return compiled(view, partials);
-        };
-        wrapper.compiled = true;
-        return wrapper;
-    }
-
     function _compileTemplateData(data, out, prefix) {
         for (var propname in data) {
             var v = data[propname], pkey;
@@ -26,9 +15,11 @@ define(['templates/templatedata', 'mustache'], function(templatedata) {
                 pkey = propname;
 
             if (typeof(v) === typeof({})) {
+                // Subdirectory. Recurse.
                 out[propname] = _compileTemplateData(v, {}, pkey);
             } else {
-                out[propname] = partials[pkey] = compile(v);
+                // Template. Mustache will cache all partials for us.
+                out[propname] = mustache.compilePartial(pkey, v);
             }
         }
         return out;



[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index]