summaryrefslogtreecommitdiff
path: root/src/assets/viz/2/goog/structs/structs.js
diff options
context:
space:
mode:
Diffstat (limited to 'src/assets/viz/2/goog/structs/structs.js')
-rw-r--r--src/assets/viz/2/goog/structs/structs.js354
1 files changed, 354 insertions, 0 deletions
diff --git a/src/assets/viz/2/goog/structs/structs.js b/src/assets/viz/2/goog/structs/structs.js
new file mode 100644
index 0000000..684ddfe
--- /dev/null
+++ b/src/assets/viz/2/goog/structs/structs.js
@@ -0,0 +1,354 @@
+// Copyright 2006 The Closure Library Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS-IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+/**
+ * @fileoverview Generics method for collection-like classes and objects.
+ *
+ * @author arv@google.com (Erik Arvidsson)
+ *
+ * This file contains functions to work with collections. It supports using
+ * Map, Set, Array and Object and other classes that implement collection-like
+ * methods.
+ */
+
+
+goog.provide('goog.structs');
+
+goog.require('goog.array');
+goog.require('goog.object');
+
+
+// We treat an object as a dictionary if it has getKeys or it is an object that
+// isn't arrayLike.
+
+
+/**
+ * Returns the number of values in the collection-like object.
+ * @param {Object} col The collection-like object.
+ * @return {number} The number of values in the collection-like object.
+ */
+goog.structs.getCount = function(col) {
+ if (col.getCount && typeof col.getCount == 'function') {
+ return col.getCount();
+ }
+ if (goog.isArrayLike(col) || goog.isString(col)) {
+ return col.length;
+ }
+ return goog.object.getCount(col);
+};
+
+
+/**
+ * Returns the values of the collection-like object.
+ * @param {Object} col The collection-like object.
+ * @return {!Array<?>} The values in the collection-like object.
+ */
+goog.structs.getValues = function(col) {
+ if (col.getValues && typeof col.getValues == 'function') {
+ return col.getValues();
+ }
+ if (goog.isString(col)) {
+ return col.split('');
+ }
+ if (goog.isArrayLike(col)) {
+ var rv = [];
+ var l = col.length;
+ for (var i = 0; i < l; i++) {
+ rv.push(col[i]);
+ }
+ return rv;
+ }
+ return goog.object.getValues(col);
+};
+
+
+/**
+ * Returns the keys of the collection. Some collections have no notion of
+ * keys/indexes and this function will return undefined in those cases.
+ * @param {Object} col The collection-like object.
+ * @return {!Array|undefined} The keys in the collection.
+ */
+goog.structs.getKeys = function(col) {
+ if (col.getKeys && typeof col.getKeys == 'function') {
+ return col.getKeys();
+ }
+ // if we have getValues but no getKeys we know this is a key-less collection
+ if (col.getValues && typeof col.getValues == 'function') {
+ return undefined;
+ }
+ if (goog.isArrayLike(col) || goog.isString(col)) {
+ var rv = [];
+ var l = col.length;
+ for (var i = 0; i < l; i++) {
+ rv.push(i);
+ }
+ return rv;
+ }
+
+ return goog.object.getKeys(col);
+};
+
+
+/**
+ * Whether the collection contains the given value. This is O(n) and uses
+ * equals (==) to test the existence.
+ * @param {Object} col The collection-like object.
+ * @param {*} val The value to check for.
+ * @return {boolean} True if the map contains the value.
+ */
+goog.structs.contains = function(col, val) {
+ if (col.contains && typeof col.contains == 'function') {
+ return col.contains(val);
+ }
+ if (col.containsValue && typeof col.containsValue == 'function') {
+ return col.containsValue(val);
+ }
+ if (goog.isArrayLike(col) || goog.isString(col)) {
+ return goog.array.contains(/** @type {!Array<?>} */ (col), val);
+ }
+ return goog.object.containsValue(col, val);
+};
+
+
+/**
+ * Whether the collection is empty.
+ * @param {Object} col The collection-like object.
+ * @return {boolean} True if empty.
+ */
+goog.structs.isEmpty = function(col) {
+ if (col.isEmpty && typeof col.isEmpty == 'function') {
+ return col.isEmpty();
+ }
+
+ // We do not use goog.string.isEmptyOrWhitespace because here we treat the
+ // string as
+ // collection and as such even whitespace matters
+
+ if (goog.isArrayLike(col) || goog.isString(col)) {
+ return goog.array.isEmpty(/** @type {!Array<?>} */ (col));
+ }
+ return goog.object.isEmpty(col);
+};
+
+
+/**
+ * Removes all the elements from the collection.
+ * @param {Object} col The collection-like object.
+ */
+goog.structs.clear = function(col) {
+ // NOTE(arv): This should not contain strings because strings are immutable
+ if (col.clear && typeof col.clear == 'function') {
+ col.clear();
+ } else if (goog.isArrayLike(col)) {
+ goog.array.clear(/** @type {IArrayLike<?>} */ (col));
+ } else {
+ goog.object.clear(col);
+ }
+};
+
+
+/**
+ * Calls a function for each value in a collection. The function takes
+ * three arguments; the value, the key and the collection.
+ *
+ * @param {S} col The collection-like object.
+ * @param {function(this:T,?,?,S):?} f The function to call for every value.
+ * This function takes
+ * 3 arguments (the value, the key or undefined if the collection has no
+ * notion of keys, and the collection) and the return value is irrelevant.
+ * @param {T=} opt_obj The object to be used as the value of 'this'
+ * within {@code f}.
+ * @template T,S
+ * @deprecated Use a more specific method, e.g. goog.array.forEach,
+ * goog.object.forEach, or for-of.
+ */
+goog.structs.forEach = function(col, f, opt_obj) {
+ if (col.forEach && typeof col.forEach == 'function') {
+ col.forEach(f, opt_obj);
+ } else if (goog.isArrayLike(col) || goog.isString(col)) {
+ goog.array.forEach(/** @type {!Array<?>} */ (col), f, opt_obj);
+ } else {
+ var keys = goog.structs.getKeys(col);
+ var values = goog.structs.getValues(col);
+ var l = values.length;
+ for (var i = 0; i < l; i++) {
+ f.call(/** @type {?} */ (opt_obj), values[i], keys && keys[i], col);
+ }
+ }
+};
+
+
+/**
+ * Calls a function for every value in the collection. When a call returns true,
+ * adds the value to a new collection (Array is returned by default).
+ *
+ * @param {S} col The collection-like object.
+ * @param {function(this:T,?,?,S):boolean} f The function to call for every
+ * value. This function takes
+ * 3 arguments (the value, the key or undefined if the collection has no
+ * notion of keys, and the collection) and should return a Boolean. If the
+ * return value is true the value is added to the result collection. If it
+ * is false the value is not included.
+ * @param {T=} opt_obj The object to be used as the value of 'this'
+ * within {@code f}.
+ * @return {!Object|!Array<?>} A new collection where the passed values are
+ * present. If col is a key-less collection an array is returned. If col
+ * has keys and values a plain old JS object is returned.
+ * @template T,S
+ */
+goog.structs.filter = function(col, f, opt_obj) {
+ if (typeof col.filter == 'function') {
+ return col.filter(f, opt_obj);
+ }
+ if (goog.isArrayLike(col) || goog.isString(col)) {
+ return goog.array.filter(/** @type {!Array<?>} */ (col), f, opt_obj);
+ }
+
+ var rv;
+ var keys = goog.structs.getKeys(col);
+ var values = goog.structs.getValues(col);
+ var l = values.length;
+ if (keys) {
+ rv = {};
+ for (var i = 0; i < l; i++) {
+ if (f.call(/** @type {?} */ (opt_obj), values[i], keys[i], col)) {
+ rv[keys[i]] = values[i];
+ }
+ }
+ } else {
+ // We should not use goog.array.filter here since we want to make sure that
+ // the index is undefined as well as make sure that col is passed to the
+ // function.
+ rv = [];
+ for (var i = 0; i < l; i++) {
+ if (f.call(opt_obj, values[i], undefined, col)) {
+ rv.push(values[i]);
+ }
+ }
+ }
+ return rv;
+};
+
+
+/**
+ * Calls a function for every value in the collection and adds the result into a
+ * new collection (defaults to creating a new Array).
+ *
+ * @param {S} col The collection-like object.
+ * @param {function(this:T,?,?,S):V} f The function to call for every value.
+ * This function takes 3 arguments (the value, the key or undefined if the
+ * collection has no notion of keys, and the collection) and should return
+ * something. The result will be used as the value in the new collection.
+ * @param {T=} opt_obj The object to be used as the value of 'this'
+ * within {@code f}.
+ * @return {!Object<V>|!Array<V>} A new collection with the new values. If
+ * col is a key-less collection an array is returned. If col has keys and
+ * values a plain old JS object is returned.
+ * @template T,S,V
+ */
+goog.structs.map = function(col, f, opt_obj) {
+ if (typeof col.map == 'function') {
+ return col.map(f, opt_obj);
+ }
+ if (goog.isArrayLike(col) || goog.isString(col)) {
+ return goog.array.map(/** @type {!Array<?>} */ (col), f, opt_obj);
+ }
+
+ var rv;
+ var keys = goog.structs.getKeys(col);
+ var values = goog.structs.getValues(col);
+ var l = values.length;
+ if (keys) {
+ rv = {};
+ for (var i = 0; i < l; i++) {
+ rv[keys[i]] = f.call(/** @type {?} */ (opt_obj), values[i], keys[i], col);
+ }
+ } else {
+ // We should not use goog.array.map here since we want to make sure that
+ // the index is undefined as well as make sure that col is passed to the
+ // function.
+ rv = [];
+ for (var i = 0; i < l; i++) {
+ rv[i] = f.call(/** @type {?} */ (opt_obj), values[i], undefined, col);
+ }
+ }
+ return rv;
+};
+
+
+/**
+ * Calls f for each value in a collection. If any call returns true this returns
+ * true (without checking the rest). If all returns false this returns false.
+ *
+ * @param {S} col The collection-like object.
+ * @param {function(this:T,?,?,S):boolean} f The function to call for every
+ * value. This function takes 3 arguments (the value, the key or undefined
+ * if the collection has no notion of keys, and the collection) and should
+ * return a boolean.
+ * @param {T=} opt_obj The object to be used as the value of 'this'
+ * within {@code f}.
+ * @return {boolean} True if any value passes the test.
+ * @template T,S
+ */
+goog.structs.some = function(col, f, opt_obj) {
+ if (typeof col.some == 'function') {
+ return col.some(f, opt_obj);
+ }
+ if (goog.isArrayLike(col) || goog.isString(col)) {
+ return goog.array.some(/** @type {!Array<?>} */ (col), f, opt_obj);
+ }
+ var keys = goog.structs.getKeys(col);
+ var values = goog.structs.getValues(col);
+ var l = values.length;
+ for (var i = 0; i < l; i++) {
+ if (f.call(/** @type {?} */ (opt_obj), values[i], keys && keys[i], col)) {
+ return true;
+ }
+ }
+ return false;
+};
+
+
+/**
+ * Calls f for each value in a collection. If all calls return true this return
+ * true this returns true. If any returns false this returns false at this point
+ * and does not continue to check the remaining values.
+ *
+ * @param {S} col The collection-like object.
+ * @param {function(this:T,?,?,S):boolean} f The function to call for every
+ * value. This function takes 3 arguments (the value, the key or
+ * undefined if the collection has no notion of keys, and the collection)
+ * and should return a boolean.
+ * @param {T=} opt_obj The object to be used as the value of 'this'
+ * within {@code f}.
+ * @return {boolean} True if all key-value pairs pass the test.
+ * @template T,S
+ */
+goog.structs.every = function(col, f, opt_obj) {
+ if (typeof col.every == 'function') {
+ return col.every(f, opt_obj);
+ }
+ if (goog.isArrayLike(col) || goog.isString(col)) {
+ return goog.array.every(/** @type {!Array<?>} */ (col), f, opt_obj);
+ }
+ var keys = goog.structs.getKeys(col);
+ var values = goog.structs.getValues(col);
+ var l = values.length;
+ for (var i = 0; i < l; i++) {
+ if (!f.call(/** @type {?} */ (opt_obj), values[i], keys && keys[i], col)) {
+ return false;
+ }
+ }
+ return true;
+};

Please direct all issues, questions, and patches to me@mediocregopher.com.

Check mediocregopher.com for periodic updates about projects I'm working on.