1 files changed, 0 insertions, 285 deletions
diff --git a/toolkit/modules/Dict.jsm b/toolkit/modules/Dict.jsm
deleted file mode 100644
index 8799a7dd6..000000000
--- a/toolkit/modules/Dict.jsm
+++ /dev/null
@@ -1,285 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-"use strict";
-
-this.EXPORTED_SYMBOLS = ["Dict"];
-
-/**
- * Transforms a given key into a property name guaranteed not to collide with
- * any built-ins.
- */
-function convert(aKey) {
-  return ":" + aKey;
-}
-
-/**
- * Transforms a property into a key suitable for providing to the outside world.
- */
-function unconvert(aProp) {
-  return aProp.substr(1);
-}
-
-/**
- * A dictionary of strings to arbitrary JS objects. This should be used whenever
- * the keys are potentially arbitrary, to avoid collisions with built-in
- * properties.
- *
- * @param aInitial An object containing the initial keys and values of this
- *                 dictionary. Only the "own" enumerable properties of the
- *                 object are considered.
- *                 If |aInitial| is a string, it is assumed to be JSON and parsed into an object.
- */
-this.Dict = function Dict(aInitial) {
-  if (aInitial === undefined)
-    aInitial = {};
-  if (typeof aInitial == "string")
-    aInitial = JSON.parse(aInitial);
-  var items = {}, count = 0;
-  // That we don't look up the prototype chain is guaranteed by Iterator.
-  for (var [key, val] in Iterator(aInitial)) {
-    items[convert(key)] = val;
-    count++;
-  }
-  this._state = {count: count, items: items};
-  return Object.freeze(this);
-}
-
-Dict.prototype = Object.freeze({
-  /**
-   * The number of items in the dictionary.
-   */
-  get count() {
-    return this._state.count;
-  },
-
-  /**
-   * Gets the value for a key from the dictionary. If the key is not a string,
-   * it will be converted to a string before the lookup happens.
-   *
-   * @param aKey The key to look up
-   * @param [aDefault] An optional default value to return if the key is not
-   *                   present. Defaults to |undefined|.
-   * @returns The item, or aDefault if it isn't found.
-   */
-  get: function Dict_get(aKey, aDefault) {
-    var prop = convert(aKey);
-    var items = this._state.items;
-    return items.hasOwnProperty(prop) ? items[prop] : aDefault;
-  },
-
-  /**
-   * Sets the value for a key in the dictionary. If the key is a not a string,
-   * it will be converted to a string before the set happens.
-   */
-  set: function Dict_set(aKey, aValue) {
-    var prop = convert(aKey);
-    var items = this._state.items;
-    if (!items.hasOwnProperty(prop))
-      this._state.count++;
-    items[prop] = aValue;
-  },
-
-  /**
-   * Sets a lazy getter function for a key's value. If the key is a not a string,
-   * it will be converted to a string before the set happens.
-   * @param aKey
-   *        The key to set
-   * @param aThunk
-   *        A getter function to be called the first time the value for aKey is
-   *        retrieved. It is guaranteed that aThunk wouldn't be called more
-   *        than once.  Note that the key value may be retrieved either
-   *        directly, by |get|, or indirectly, by |listvalues| or by iterating
-   *        |values|.  For the later, the value is only retrieved if and when
-   *        the iterator gets to the value in question.  Also note that calling
-   *        |has| for a lazy-key does not invoke aThunk.
-   *
-   * @note No context is provided for aThunk when it's invoked.
-   *       Use Function.bind if you wish to run it in a certain context.
-   */
-  setAsLazyGetter: function Dict_setAsLazyGetter(aKey, aThunk) {
-    let prop = convert(aKey);
-    let items = this._state.items;
-    if (!items.hasOwnProperty(prop))
-      this._state.count++;
-
-    Object.defineProperty(items, prop, {
-      get: function() {
-        delete items[prop];
-        return items[prop] = aThunk();
-      },
-      configurable: true,
-      enumerable: true     
-    });
-  },
-
-  /**
-   * Returns whether a key is set as a lazy getter.  This returns
-   * true only if the getter function was not called already.
-   * @param aKey
-   *        The key to look up.
-   * @returns whether aKey is set as a lazy getter.
-   */
-  isLazyGetter: function Dict_isLazyGetter(aKey) {
-    let descriptor = Object.getOwnPropertyDescriptor(this._state.items,
-                                                     convert(aKey));
-    return (descriptor && descriptor.get != null);
-  },
-
-  /**
-   * Returns whether a key is in the dictionary. If the key is a not a string,
-   * it will be converted to a string before the lookup happens.
-   */
-  has: function Dict_has(aKey) {
-    return (this._state.items.hasOwnProperty(convert(aKey)));
-  },
-
-  /**
-   * Deletes a key from the dictionary. If the key is a not a string, it will be
-   * converted to a string before the delete happens.
-   *
-   * @returns true if the key was found, false if it wasn't.
-   */
-  del: function Dict_del(aKey) {
-    var prop = convert(aKey);
-    if (this._state.items.hasOwnProperty(prop)) {
-      delete this._state.items[prop];
-      this._state.count--;
-      return true;
-    }
-    return false;
-  },
-
-  /**
-   * Returns a shallow copy of this dictionary.
-   */
-  copy: function Dict_copy() {
-    var newItems = {};
-    for (var [key, val] in this.items)
-      newItems[key] = val;
-    return new Dict(newItems);
-  },
-
-  /*
-   * List and iterator functions
-   *
-   * No guarantees whatsoever are made about the order of elements.
-   */
-
-  /**
-   * Returns a list of all the keys in the dictionary in an arbitrary order.
-   */
-  listkeys: function Dict_listkeys() {
-    // Tycho: return [unconvert(k) for (k in this._state.items)];
-    let rv = [];
-    for (let k in this._state.items) {
-      rv.push(unconvert(k));
-    }
-    return rv;
-  },
-
-  /**
-   * Returns a list of all the values in the dictionary in an arbitrary order.
-   */
-  listvalues: function Dict_listvalues() {
-    var items = this._state.items;
-    // Tycho: return [items[k] for (k in items)];
-    let rv = [];
-    for (let k in items) {
-      rv.push(items[k]);
-    }
-    return rv;
-  },
-
-  /**
-   * Returns a list of all the items in the dictionary as key-value pairs
-   * in an arbitrary order.
-   */
-  listitems: function Dict_listitems() {
-    var items = this._state.items;
-    //Tycho: return [[unconvert(k), items[k]] for (k in items)];
-    let rv = [];
-    for (let k in items) {
-      rv.push([unconvert(k), items[k]]);
-    }
-    return rv;
-  },
-
-  /**
-   * Returns an iterator over all the keys in the dictionary in an arbitrary
-   * order. No guarantees are made about what happens if the dictionary is
-   * mutated during iteration.
-   */
-  get keys() {
-    // If we don't capture this._state.items here then the this-binding will be
-    // incorrect when the generator is executed
-    var items = this._state.items;
-    // Tycho: return (unconvert(k) for (k in items));
-    let rv = [];
-    for (let k in items) {
-      rv.push(unconvert(k));
-    }
-    return rv;
-  },
-
-  /**
-   * Returns an iterator over all the values in the dictionary in an arbitrary
-   * order. No guarantees are made about what happens if the dictionary is
-   * mutated during iteration.
-   */
-  get values() {
-    // If we don't capture this._state.items here then the this-binding will be
-    // incorrect when the generator is executed
-    var items = this._state.items;
-    // Tycho: return (items[k] for (k in items));
-    let rv = [];
-    for (let k in items) {
-      rv.push(items[k]);
-    }
-    return rv;
-  },
-
-  /**
-   * Returns an iterator over all the items in the dictionary as key-value pairs
-   * in an arbitrary order. No guarantees are made about what happens if the
-   * dictionary is mutated during iteration.
-   */
-  get items() {
-    // If we don't capture this._state.items here then the this-binding will be
-    // incorrect when the generator is executed
-    var items = this._state.items;
-    // Tycho: return ([unconvert(k), items[k]] for (k in items));
-    let rv = [];
-    for (let k in items) {
-      rv.push([unconvert(k), items[k]]);
-    }
-    return rv;
-  },
-
-  /**
-   * Returns a String representation of this dictionary.
-   */
-  toString: function Dict_toString() {
-    // Tycho:
-    // return "{" +
-    //   [(key + ": " + val) for ([key, val] in this.items)].join(", ") +
-    //   "}";
-    let dictString = [];
-    for (let [key, val] in this.items) {
-      dictString.push(key + ": " + value);
-    }
-    return "{" + dictString.join(", ") + "}";
-  },
-
-  /**
-   * Returns a JSON representation of this dictionary.
-   */
-  toJSON: function Dict_toJSON() {
-    let obj = {};
-    for (let [key, item] of Iterator(this._state.items)) {
-      obj[unconvert(key)] = item;
-    }
-    return JSON.stringify(obj);
-  },
-});