Update third_party/document_image_extractor

third_party/document_image_extractor/third_party/closure-library/closure/goog/structs/map.js

Index: third_party/document_image_extractor/third_party/closure-library/closure/goog/structs/map.js
diff --git a/third_party/document_image_extractor/third_party/closure-library/closure/goog/structs/map.js b/third_party/document_image_extractor/third_party/closure-library/closure/goog/structs/map.js
deleted file mode 100644
index 330bb7d130a2072df8f60964f2ce7504cd8d975c..0000000000000000000000000000000000000000
--- a/third_party/document_image_extractor/third_party/closure-library/closure/goog/structs/map.js
+++ /dev/null
@@ -1,460 +0,0 @@
-// 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 Datastructure: Hash Map.
- *
- * @author arv@google.com (Erik Arvidsson)
- *
- * This file contains an implementation of a Map structure. It implements a lot
- * of the methods used in goog.structs so those functions work on hashes. This
- * is best suited for complex key types. For simple keys such as numbers and
- * strings, and where special names like __proto__ are not a concern, consider
- * using the lighter-weight utilities in goog.object.
- */
-
-
-goog.provide('goog.structs.Map');
-
-goog.require('goog.iter.Iterator');
-goog.require('goog.iter.StopIteration');
-goog.require('goog.object');
-
-
-
-/**
- * Class for Hash Map datastructure.
- * @param {*=} opt_map Map or Object to initialize the map with.
- * @param {...*} var_args If 2 or more arguments are present then they
- *     will be used as key-value pairs.
- * @constructor
- * @template K, V
- */
-goog.structs.Map = function(opt_map, var_args) {
-
-  /**
-   * Underlying JS object used to implement the map.
-   * @private {!Object}
-   */
-  this.map_ = {};
-
-  /**
-   * An array of keys. This is necessary for two reasons:
-   *   1. Iterating the keys using for (var key in this.map_) allocates an
-   *      object for every key in IE which is really bad for IE6 GC perf.
-   *   2. Without a side data structure, we would need to escape all the keys
-   *      as that would be the only way we could tell during iteration if the
-   *      key was an internal key or a property of the object.
-   *
-   * This array can contain deleted keys so it's necessary to check the map
-   * as well to see if the key is still in the map (this doesn't require a
-   * memory allocation in IE).
-   * @private {!Array<string>}
-   */
-  this.keys_ = [];
-
-  /**
-   * The number of key value pairs in the map.
-   * @private {number}
-   */
-  this.count_ = 0;
-
-  /**
-   * Version used to detect changes while iterating.
-   * @private {number}
-   */
-  this.version_ = 0;
-
-  var argLength = arguments.length;
-
-  if (argLength > 1) {
-    if (argLength % 2) {
-      throw Error('Uneven number of arguments');
-    }
-    for (var i = 0; i < argLength; i += 2) {
-      this.set(arguments[i], arguments[i + 1]);
-    }
-  } else if (opt_map) {
-    this.addAll(/** @type {Object} */ (opt_map));
-  }
-};
-
-
-/**
- * @return {number} The number of key-value pairs in the map.
- */
-goog.structs.Map.prototype.getCount = function() {
-  return this.count_;
-};
-
-
-/**
- * Returns the values of the map.
- * @return {!Array<V>} The values in the map.
- */
-goog.structs.Map.prototype.getValues = function() {
-  this.cleanupKeysArray_();
-
-  var rv = [];
-  for (var i = 0; i < this.keys_.length; i++) {
-    var key = this.keys_[i];
-    rv.push(this.map_[key]);
-  }
-  return rv;
-};
-
-
-/**
- * Returns the keys of the map.
- * @return {!Array<string>} Array of string values.
- */
-goog.structs.Map.prototype.getKeys = function() {
-  this.cleanupKeysArray_();
-  return /** @type {!Array<string>} */ (this.keys_.concat());
-};
-
-
-/**
- * Whether the map contains the given key.
- * @param {*} key The key to check for.
- * @return {boolean} Whether the map contains the key.
- */
-goog.structs.Map.prototype.containsKey = function(key) {
-  return goog.structs.Map.hasKey_(this.map_, key);
-};
-
-
-/**
- * Whether the map contains the given value. This is O(n).
- * @param {V} val The value to check for.
- * @return {boolean} Whether the map contains the value.
- */
-goog.structs.Map.prototype.containsValue = function(val) {
-  for (var i = 0; i < this.keys_.length; i++) {
-    var key = this.keys_[i];
-    if (goog.structs.Map.hasKey_(this.map_, key) && this.map_[key] == val) {
-      return true;
-    }
-  }
-  return false;
-};
-
-
-/**
- * Whether this map is equal to the argument map.
- * @param {goog.structs.Map} otherMap The map against which to test equality.
- * @param {function(V, V): boolean=} opt_equalityFn Optional equality function
- *     to test equality of values. If not specified, this will test whether
- *     the values contained in each map are identical objects.
- * @return {boolean} Whether the maps are equal.
- */
-goog.structs.Map.prototype.equals = function(otherMap, opt_equalityFn) {
-  if (this === otherMap) {
-    return true;
-  }
-
-  if (this.count_ != otherMap.getCount()) {
-    return false;
-  }
-
-  var equalityFn = opt_equalityFn || goog.structs.Map.defaultEquals;
-
-  this.cleanupKeysArray_();
-  for (var key, i = 0; key = this.keys_[i]; i++) {
-    if (!equalityFn(this.get(key), otherMap.get(key))) {
-      return false;
-    }
-  }
-
-  return true;
-};
-
-
-/**
- * Default equality test for values.
- * @param {*} a The first value.
- * @param {*} b The second value.
- * @return {boolean} Whether a and b reference the same object.
- */
-goog.structs.Map.defaultEquals = function(a, b) {
-  return a === b;
-};
-
-
-/**
- * @return {boolean} Whether the map is empty.
- */
-goog.structs.Map.prototype.isEmpty = function() {
-  return this.count_ == 0;
-};
-
-
-/**
- * Removes all key-value pairs from the map.
- */
-goog.structs.Map.prototype.clear = function() {
-  this.map_ = {};
-  this.keys_.length = 0;
-  this.count_ = 0;
-  this.version_ = 0;
-};
-
-
-/**
- * Removes a key-value pair based on the key. This is O(logN) amortized due to
- * updating the keys array whenever the count becomes half the size of the keys
- * in the keys array.
- * @param {*} key  The key to remove.
- * @return {boolean} Whether object was removed.
- */
-goog.structs.Map.prototype.remove = function(key) {
-  if (goog.structs.Map.hasKey_(this.map_, key)) {
-    delete this.map_[key];
-    this.count_--;
-    this.version_++;
-
-    // clean up the keys array if the threshhold is hit
-    if (this.keys_.length > 2 * this.count_) {
-      this.cleanupKeysArray_();
-    }
-
-    return true;
-  }
-  return false;
-};
-
-
-/**
- * Cleans up the temp keys array by removing entries that are no longer in the
- * map.
- * @private
- */
-goog.structs.Map.prototype.cleanupKeysArray_ = function() {
-  if (this.count_ != this.keys_.length) {
-    // First remove keys that are no longer in the map.
-    var srcIndex = 0;
-    var destIndex = 0;
-    while (srcIndex < this.keys_.length) {
-      var key = this.keys_[srcIndex];
-      if (goog.structs.Map.hasKey_(this.map_, key)) {
-        this.keys_[destIndex++] = key;
-      }
-      srcIndex++;
-    }
-    this.keys_.length = destIndex;
-  }
-
-  if (this.count_ != this.keys_.length) {
-    // If the count still isn't correct, that means we have duplicates. This can
-    // happen when the same key is added and removed multiple times. Now we have
-    // to allocate one extra Object to remove the duplicates. This could have
-    // been done in the first pass, but in the common case, we can avoid
-    // allocating an extra object by only doing this when necessary.
-    var seen = {};
-    var srcIndex = 0;
-    var destIndex = 0;
-    while (srcIndex < this.keys_.length) {
-      var key = this.keys_[srcIndex];
-      if (!(goog.structs.Map.hasKey_(seen, key))) {
-        this.keys_[destIndex++] = key;
-        seen[key] = 1;
-      }
-      srcIndex++;
-    }
-    this.keys_.length = destIndex;
-  }
-};
-
-
-/**
- * Returns the value for the given key.  If the key is not found and the default
- * value is not given this will return {@code undefined}.
- * @param {*} key The key to get the value for.
- * @param {DEFAULT=} opt_val The value to return if no item is found for the
- *     given key, defaults to undefined.
- * @return {V|DEFAULT} The value for the given key.
- * @template DEFAULT
- */
-goog.structs.Map.prototype.get = function(key, opt_val) {
-  if (goog.structs.Map.hasKey_(this.map_, key)) {
-    return this.map_[key];
-  }
-  return opt_val;
-};
-
-
-/**
- * Adds a key-value pair to the map.
- * @param {*} key The key.
- * @param {V} value The value to add.
- * @return {*} Some subclasses return a value.
- */
-goog.structs.Map.prototype.set = function(key, value) {
-  if (!(goog.structs.Map.hasKey_(this.map_, key))) {
-    this.count_++;
-    this.keys_.push(key);
-    // Only change the version if we add a new key.
-    this.version_++;
-  }
-  this.map_[key] = value;
-};
-
-
-/**
- * Adds multiple key-value pairs from another goog.structs.Map or Object.
- * @param {Object} map  Object containing the data to add.
- */
-goog.structs.Map.prototype.addAll = function(map) {
-  var keys, values;
-  if (map instanceof goog.structs.Map) {
-    keys = map.getKeys();
-    values = map.getValues();
-  } else {
-    keys = goog.object.getKeys(map);
-    values = goog.object.getValues(map);
-  }
-  // we could use goog.array.forEach here but I don't want to introduce that
-  // dependency just for this.
-  for (var i = 0; i < keys.length; i++) {
-    this.set(keys[i], values[i]);
-  }
-};
-
-
-/**
- * Calls the given function on each entry in the map.
- * @param {function(this:T, V, K, goog.structs.Map<K,V>)} f
- * @param {T=} opt_obj The value of "this" inside f.
- * @template T
- */
-goog.structs.Map.prototype.forEach = function(f, opt_obj) {
-  var keys = this.getKeys();
-  for (var i = 0; i < keys.length; i++) {
-    var key = keys[i];
-    var value = this.get(key);
-    f.call(opt_obj, value, key, this);
-  }
-};
-
-
-/**
- * Clones a map and returns a new map.
- * @return {!goog.structs.Map} A new map with the same key-value pairs.
- */
-goog.structs.Map.prototype.clone = function() {
-  return new goog.structs.Map(this);
-};
-
-
-/**
- * Returns a new map in which all the keys and values are interchanged
- * (keys become values and values become keys). If multiple keys map to the
- * same value, the chosen transposed value is implementation-dependent.
- *
- * It acts very similarly to {goog.object.transpose(Object)}.
- *
- * @return {!goog.structs.Map} The transposed map.
- */
-goog.structs.Map.prototype.transpose = function() {
-  var transposed = new goog.structs.Map();
-  for (var i = 0; i < this.keys_.length; i++) {
-    var key = this.keys_[i];
-    var value = this.map_[key];
-    transposed.set(value, key);
-  }
-
-  return transposed;
-};
-
-
-/**
- * @return {!Object} Object representation of the map.
- */
-goog.structs.Map.prototype.toObject = function() {
-  this.cleanupKeysArray_();
-  var obj = {};
-  for (var i = 0; i < this.keys_.length; i++) {
-    var key = this.keys_[i];
-    obj[key] = this.map_[key];
-  }
-  return obj;
-};
-
-
-/**
- * Returns an iterator that iterates over the keys in the map.  Removal of keys
- * while iterating might have undesired side effects.
- * @return {!goog.iter.Iterator} An iterator over the keys in the map.
- */
-goog.structs.Map.prototype.getKeyIterator = function() {
-  return this.__iterator__(true);
-};
-
-
-/**
- * Returns an iterator that iterates over the values in the map.  Removal of
- * keys while iterating might have undesired side effects.
- * @return {!goog.iter.Iterator} An iterator over the values in the map.
- */
-goog.structs.Map.prototype.getValueIterator = function() {
-  return this.__iterator__(false);
-};
-
-
-/**
- * Returns an iterator that iterates over the values or the keys in the map.
- * This throws an exception if the map was mutated since the iterator was
- * created.
- * @param {boolean=} opt_keys True to iterate over the keys. False to iterate
- *     over the values.  The default value is false.
- * @return {!goog.iter.Iterator} An iterator over the values or keys in the map.
- */
-goog.structs.Map.prototype.__iterator__ = function(opt_keys) {
-  // Clean up keys to minimize the risk of iterating over dead keys.
-  this.cleanupKeysArray_();
-
-  var i = 0;
-  var keys = this.keys_;
-  var map = this.map_;
-  var version = this.version_;
-  var selfObj = this;
-
-  var newIter = new goog.iter.Iterator;
-  newIter.next = function() {
-    while (true) {
-      if (version != selfObj.version_) {
-        throw Error('The map has changed since the iterator was created');
-      }
-      if (i >= keys.length) {
-        throw goog.iter.StopIteration;
-      }
-      var key = keys[i++];
-      return opt_keys ? key : map[key];
-    }
-  };
-  return newIter;
-};
-
-
-/**
- * Safe way to test for hasOwnProperty.  It even allows testing for
- * 'hasOwnProperty'.
- * @param {Object} obj The object to test for presence of the given key.
- * @param {*} key The key to check for.
- * @return {boolean} Whether the object has the key.
- * @private
- */
-goog.structs.Map.hasKey_ = function(obj, key) {
-  return Object.prototype.hasOwnProperty.call(obj, key);
-};