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Copy pathDataStructuresMinimized.js
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2751 lines (2748 loc) · 69.4 KB
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function Aggregate() {
}
function Iterator() {
}
function BSNode(e, t) {
this.item = t;
this.key = e;
this.parent = null;
this.left = null;
this.right = null
}
function BSTree() {
this.root = null
}
function BSTreeIterator(e) {
this.aggregate = e;
this.pointer = null
}
function BNode() {
this.keys = [];
this.items = [];
this.childs = []
}
function BTree(e) {
this.root = new BNode;
this.t = e;
this.size = 0
}
function BTreeIterator(e) {
this.aggregate = e;
this.pointer = null
}
function CircularBufferIterator(e) {
this.aggregate = e;
this.pointer = null;
this.start = true
}
function CircularBuffer(e) {
this.head = 0;
this.tail = 0;
this.items = new Array(e);
this.empty = true;
this.full = false;
this.size = e
}
function DLLNode(e) {
this.item = e;
this.next = null;
this.previous = null
}
function DoubleLinkedList(e) {
this.first = null;
this.last = null;
this.length = 0;
this.fromArray(arguments)
}
function DoubleLinkedListIterator(e) {
this.aggregate = e;
this.pointer = null
}
function merge(e, t, n) {
var r = Math.floor((e + t) / 2);
var i = [];
var s = [];
for (var o = 0; o < r - e + 1; o++)i[o] = n[e + o];
for (var u = 0; u < t - r; u++)s[u] = n[r + u + 1];
var a = 0, f = 0;
for (var l = e; l < t + 1; l++) {
if (f > t - r - 1 || i[a] <= s[f] && a < r - e + 1) {
this.postMessage({cmd: "replace", index: l, value: i[a]});
a++
} else {
this.postMessage({cmd: "replace", index: l, value: s[f]});
f++
}
}
}
function HashTable(e) {
this.size = e;
this.p = 1e3;
this.a = Math.floor(Math.random() * this.p);
this.b = Math.floor(Math.random() * this.p);
this.hash = function (e) {
return(this.a * e + this.b) % this.p % this.size
};
this.items = [];
this.keyLength = 0;
this.clear()
}
function LLNode(e) {
this.item = e;
this.next = null
}
function LinkedList(e) {
this.first = null;
this.last = null;
this.length = 0;
this.fromArray(arguments)
}
function LinkedListIterator(e) {
this.aggregate = e;
this.pointer = null
}
function PriorityQueue() {
this.items = new RBTreeList;
this.length = 0
}
function PriorityQueueIterator(e) {
this.aggregate = e;
this.pointerNode = null;
this.pointerPosition = -1
}
function Queue(e) {
this.items = [];
this.multiEnqueue(arguments)
}
function QueueIterator(e) {
this.aggregate = e;
this.pointer = -1
}
function RBNode(e, t) {
this.item = t;
this.key = e;
this.parent = null;
this.left = null;
this.right = null;
this.type = "r"
}
function RBTree() {
this.root = null;
this.size = 0
}
function RBTreeIterator(e) {
this.aggregate = e;
this.pointer = null
}
function RBLNode(e, t) {
this.item = t;
this.key = e;
this.parent = null;
this.left = null;
this.right = null;
this.next = null;
this.previous = null;
this.type = "r"
}
function RBTreeList() {
this.root = null;
this.first = null;
this.last = null;
this.size = 0
}
function RBTreeListIterator(e) {
this.aggregate = e;
this.pointer = null
}
function Element(e) {
this.parents = new DoubleLinkedList;
this.item = e
}
function Set() {
this.parents = new DoubleLinkedList;
this.elements = new DoubleLinkedList;
this.sets = new DoubleLinkedList;
this.size = 0
}
function Stack(e) {
this.items = [];
this.multiPush(arguments)
}
function StackIterator(e) {
this.aggregate = e;
this.pointer = -1
}
Aggregate.prototype.getIterator = function () {
};
Iterator.prototype.first = function () {
};
Iterator.prototype.next = function () {
};
Iterator.prototype.last = function () {
};
Iterator.prototype.previous = function () {
};
Iterator.prototype.isDone = function () {
};
Iterator.prototype.getItem = function () {
};
BSTree.prototype = new Aggregate;
BSTree.prototype.constructor = BSTree;
BSTree.prototype.getIterator = function () {
return new BSTreeIterator(this)
};
BSTree.prototype.insert = function (e, t) {
var n = new BSNode(e, t);
var r = this.root;
for (var i = this.root; i;) {
r = i;
if (e < i.key)i = i.left; else i = i.right
}
n.parent = r;
if (!r)this.root = n; else if (e < r.key)r.left = n; else r.right = n
};
BSTree.prototype.search = function (e, t) {
t = t || this.root;
while (t && e !== t.key)if (e < t.key)t = t.left; else t = t.right;
if (t)return t.item;
return undefined
};
BSTree.prototype.minimum = function (e) {
e = e || this.root;
while (e && e.left)e = e.left;
return e
};
BSTree.prototype.maximum = function (e) {
e = e || this.root;
while (e && e.right)e = e.right;
return e
};
BSTree.prototype.successor = function (e) {
if (e.right)return this.minimum(e.right);
var t = e.parent;
while (t && e === t.right) {
e = t;
t = t.parent
}
return t
};
BSTree.prototype.predecessor = function (e) {
if (e.left)return this.maximum(e.left);
var t = e.parent;
while (t && e === t.left) {
e = t;
t = t.parent
}
return t
};
BSTree.prototype.deleteNode = function (e) {
if (!e.left && !e.right) {
if (e === this.root)this.root = null; else if (e.parent.left === e)e.parent.left = null; else e.parent.right = null
} else if (e.left && e.right) {
var t = this.successor(e);
e.key = t.key;
e.item = t.item;
if (t.parent.left === t)t.parent.left = null; else t.parent.right = null
} else {
if (e.right) {
if (e === this.root) {
this.root = e.right;
e.right.parent = null
} else {
e.parent.right = e.right;
e.right.parent = e.parent
}
} else {
if (e === this.root) {
this.root = e.left;
e.left.parent = null
} else {
e.parent.left = e.left;
e.left.parent = e.parent
}
}
}
};
BSTreeIterator.prototype = new Iterator;
BSTreeIterator.prototype.constructor = BSTreeIterator;
BSTreeIterator.prototype.first = function () {
this.pointer = this.aggregate.minimum()
};
BSTreeIterator.prototype.next = function () {
this.pointer = this.aggregate.successor(this.pointer)
};
BSTreeIterator.prototype.last = function () {
this.pointer = this.aggregate.maximum()
};
BSTreeIterator.prototype.previous = function () {
this.pointer = this.aggregate.predecessor(this.pointer)
};
BSTreeIterator.prototype.isDone = function () {
return!this.pointer
};
BSTreeIterator.prototype.getItem = function () {
return this.pointer.item
};
BSTreeIterator.prototype.getNode = function () {
return this.pointer
};
BTree.prototype = new Aggregate;
BTree.prototype.constructor = BTree;
BTree.prototype.getIterator = function () {
return new BTreeIterator(this)
};
BTree.prototype.insert = function (e, t) {
var n = this.root;
if (n.keys.length === 2 * this.t - 1) {
var r = new BNode;
r.childs.push(n);
this.root = r;
this.splitChild(r, 0);
n = r
}
this.size++;
this.insertNonFull(n, e, t)
};
BTree.prototype.insertNonFull = function (e, t, n) {
while (e) {
var r = e.keys.length - 1;
if (!e.childs.length) {
for (; r > -1 && t < e.keys[r]; r--) {
e.keys[r + 1] = e.keys[r];
e.items[r + 1] = e.items[r]
}
e.keys[r + 1] = t;
e.items[r + 1] = n;
return
} else {
var i = 0;
r++;
while (i < r) {
var s = Math.floor((i + r) / 2);
if (t <= e.keys[s])r = s; else i = s + 1
}
if (e.childs[i].keys.length === 2 * this.t - 1) {
this.splitChild(e, i);
if (t > e.keys[i])i++
}
e = e.childs[i]
}
}
};
BTree.prototype.search = function (e, t, n) {
t = t || this.root;
n = n || function (t, n) {
return t.keys[n] === e
};
while (t) {
var r = t.keys.length;
var i = 0, s = r;
while (i < s) {
var o = Math.floor((i + s) / 2);
if (e <= t.keys[o])s = o; else i = o + 1
}
if (i < r && n(t, i))return t.items[i]; else if (!t.childs.length)return undefined; else t = t.childs[i]
}
};
BTree.prototype.splitChild = function (e, t) {
var n = new BNode;
var r = e.childs[t];
for (var i = 0; i < this.t - 1; i++) {
n.keys[i] = r.keys[i + this.t];
n.items[i] = r.items[i + this.t]
}
if (r.childs.length)for (var s = 0; s < this.t; s++)n.childs[s] = r.childs[s + this.t];
for (var o = e.keys.length; o > t; o--)e.childs[o + 1] = e.childs[o];
e.childs[t + 1] = n;
for (var u = e.keys.length - 1; u > t - 1; u--) {
e.keys[u + 1] = e.keys[u];
e.items[u + 1] = e.items[u]
}
e.keys[t] = r.keys[this.t - 1];
e.items[t] = r.items[this.t - 1];
r.keys.splice(r.keys.length - this.t);
r.items.splice(r.items.length - this.t);
r.childs.splice(r.childs.length - this.t)
};
BTree.prototype.deleteKey = function (e) {
if (this.root.keys.length) {
this.deleteNonMin(this.root, e);
if (!this.root.keys.length && this.root.childs.length)this.root = this.root.childs[0];
this.size--
}
};
BTree.prototype.deleteNonMin = function (e, t) {
var n = 0, r = e.keys.length;
while (n < r) {
var i = Math.floor((n + r) / 2);
if (t <= e.keys[i])r = i; else n = i + 1
}
if (n < e.keys.length && t === e.keys[n]) {
if (!e.childs.length) {
for (r = n + 1; r < e.keys.length; r++) {
e.keys[r - 1] = e.keys[r];
e.items[r - 1] = e.items[r]
}
e.keys.pop();
e.items.pop()
} else {
if (e.childs[n].length === this.t - 1) {
this.augmentChild(e, n);
if (n === e.keys.length + 1)n--
}
if (e.keys[n] !== t)this.deleteNonMin(e.childs[n], t); else this.deleteMax(e, n)
}
} else {
if (e.childs[n].keys.length === this.t - 1) {
this.augmentChild(e, n);
if (n === e.keys.length + 2)n--
}
this.deleteNonMin(e.childs[n], t)
}
};
BTree.prototype.deleteMax = function (e, t) {
var n = e.childs[t];
var r = true;
while (r) {
if (!n.childs.length) {
e.keys[t] = n.keys[n.keys.length - 1];
e.items[t] = n.items[n.items.length - 1];
n.keys.pop();
n.items.pop();
r = false
} else {
var i = n.childs[n.keys.length];
if (i.keys.length === this.t - 1)this.augmentChild(n, n.keys.length);
n = n.childs[n.keys.length]
}
}
};
BTree.prototype.augmentChild = function (e, t) {
var n = e.childs[t];
var r;
if (t)r = e.childs[t - 1];
if (t && r.keys.length > this.t - 1) {
if (n.childs.length) {
for (var i = this.keys.length + 1; i > 0; i--)n.childs[i] = n.childs[i - 1];
n.childs[0] = r.childs[r.keys.length];
for (var s = n.keys.length; s > 0; s--) {
n.keys[s] = n.keys[s - 1];
n.items[s] = n.items[s - 1]
}
n.keys[0] = e.keys[t - 1];
n.items[0] = e.items[t - 1];
e.keys[t - 1] = r.keys[r.keys.length - 1];
e.items[t - 1] = r.items[r.items.length - 1]
}
} else {
if (t < e.keys.length)r = e.childs[t + 1];
if (t < e.keys.length && r.keys.length > this.t - 1) {
if (r.childs.length) {
n.childs[n.keys.length + 1] = r.childs[0];
for (var o = 1; o < r.keys.length + 1; o++)r.childs[o - 1] = r.childs[o];
r.childs.pop()
}
n.keys[n.keys.length] = e.keys[t];
n.items[n.items.length] = e.items[t];
e.keys[t] = r.keys[0];
e.items[t] = r.items[0];
for (var u = 1; u < r.keys.length; u++) {
r.keys[u - 1] = r.keys[u];
r.items[u - 1] = r.items[u]
}
r.keys.pop();
r.items.pop()
} else {
if (t < e.keys.length) {
n.keys[this.t - 1] = e.keys[t];
n.items[this.t - 1] = e.items[t];
for (var a = t + 2; a < e.keys.length + 1; a++)e.childs[a - 1] = e.childs[a];
e.childs.pop();
for (var f = t + 1; f < e.keys.length; f++) {
e.keys[f - 1] = e.keys[f];
e.items[f - 1] = e.items[f]
}
e.keys.pop();
e.items.pop();
if (r.childs.length)for (var l = 0; l < r.keys.length + 1; l++)n.childs[this.t + l] = r.childs[l];
for (var c = 0; c < r.keys.length; c++) {
n.keys[c + this.t] = r.keys[c];
n.items[c + this.t] = r.items[c]
}
} else {
if (r.childs.length)for (var h = 0; h < n.keys.length + 1; h++)r.childs[this.t + h] = n.childs[h];
r.keys[this.t - 1] = e.keys[e.keys.length - 1];
r.items[this.t - 1] = e.items[e.keys.length - 1];
for (var p = 0; p < n.keys.length; p++) {
r.keys[p + this.t] = n.keys[p];
r.items[p + this.t] = n.items[p]
}
}
}
}
};
BTree.prototype.contains = function (e, t) {
return this.search(e, null, t) !== undefined
};
BTree.prototype.fullContains = function (e) {
var t = this.minimumKey();
while (t !== null && !e(this.search(t)))t = this.successor(t);
return t !== null
};
BTree.prototype.successor = function (e, t) {
t = t || this.root;
var n = 0, r = t.keys.length;
while (n < r) {
var i = Math.floor((n + r) / 2);
if (e <= t.keys[i])r = i; else n = i + 1
}
if (t.keys[n] === e)n++;
if (!t.childs.length) {
if (n > t.keys.length - 1)return null; else return t.keys[n]
}
var s = this.successor(e, t.childs[n]);
if (s === null && n < t.keys.length)return t.keys[n];
return s
};
BTree.prototype.predecessor = function (e, t) {
t = t || this.root;
var n = 0, r = t.keys.length;
while (n < r) {
var i = Math.floor((n + r) / 2);
if (e <= t.keys[i])r = i; else n = i + 1
}
n--;
if (!t.childs.length) {
if (n < 0)return null; else return t.keys[n]
}
var s = this.predecessor(e, t.childs[n + 1]);
if (s === null && e > t.keys[0]) {
return t.keys[n]
}
return s
};
BTree.prototype.minimumKey = function () {
var e = this.root;
while (e.childs.length)e = e.childs[0];
if (e)return e.keys[0];
return null
};
BTree.prototype.maximumKey = function () {
var e = this.root;
while (e.childs.length)e = e.childs[e.childs.length - 1];
if (e)return e.keys[e.keys.length - 1];
return null
};
BTree.prototype.minimum = function () {
var e = this.root;
while (e.childs.length)e = e.childs[0];
return e.items[0]
};
BTree.prototype.maximum = function () {
var e = this.root;
while (e.childs.length)e = e.childs[e.childs.length - 1];
return e.items[e.items.length - 1]
};
BTree.prototype.getSize = function () {
return this.size
};
BTree.prototype.isEmpty = function () {
return!this.size
};
BTree.prototype.execute = function (e) {
var t = arguments[1] || this.root;
for (var n = 0; n < t.items.length; n++)t.items[n] = e(t.items[n]);
for (var r = 0; r < t.childs.length; r++)this.execute(e, t.childs[r])
};
BTree.prototype.clear = function () {
this.root = null;
this.size = 0
};
BTree.prototype.filter = function (e) {
var t = [];
var n = arguments[1] || this.root;
for (var r = 0; r < n.items.length; r++) {
if (n.childs.length)t = t.concat(this.filter(e, n.childs[r]));
if (e(n.items[r]))t.push(n.items[r])
}
if (n.childs.length)t = t.concat(this.filter(e, n.childs[n.childs.length - 1]));
return t
};
BTree.prototype.clone = function () {
var e = new BTree(this.t);
var t = this.getIterator();
for (t.first(); !t.isDone(); t.next()) {
var n = t.getItem();
if (n.clone)n = n.clone();
e.insert(t.getKey(), n)
}
return e
};
BTree.prototype.cloneDistinct = function () {
var e = new BTree(this.t);
var t = this.getIterator();
for (t.first(); !t.isDone(); t.next()) {
var n = function (e) {
return e === t.getItem()
};
if (!e.fullContains(n)) {
if (t.getItem().cloneDistinct)e.insert(t.getKey(), t.getItem().cloneDistinct()); else if (t.getItem().clone)e.insert(t.getKey(), t.getItem().clone()); else e.insert(t.getKey(), t.getItem())
}
}
return e
};
BTree.prototype.toArray = function () {
var e = [];
var t = this.getIterator();
for (t.first(); !t.isDone(); t.next())e.push(t.getItem());
return e
};
BTree.prototype.indexOf = function (e, t) {
t = t || function (t) {
return t === e
};
var n = 0, r = this.minimumKey();
while (r !== null) {
if (t(this.search(r)))return n;
r = this.successor(r);
n++
}
return-1
};
BTree.prototype.lastIndexOf = function (e, t) {
t = t || function (t) {
return t === e
};
var n = this.size - 1, r = this.maximumKey();
while (r !== null) {
if (t(this.search(r)))return n;
n--;
r = this.predecessor(r)
}
return-1
};
BTree.prototype.allIndexesOf = function (e, t) {
t = t || function (t) {
return t === e
};
var n = 0, r = this.minimumKey();
var i = [];
while (r !== null) {
if (t(this.search(r)))i.push(n);
n++;
r = this.successor(r)
}
return i
};
BTree.prototype.getItem = function (e) {
if (e < 0 || e > this.size - 1)return undefined;
var t = this.minimum();
for (var n = 0; n < e; n++)t = this.successor(t);
return this.search(t)
};
BTreeIterator.prototype = new Iterator;
BTreeIterator.prototype.constructor = BTreeIterator;
BTreeIterator.prototype.first = function () {
this.pointer = this.aggregate.minimumKey()
};
BTreeIterator.prototype.next = function () {
this.pointer = this.aggregate.successor(this.pointer)
};
BTreeIterator.prototype.last = function () {
this.pointer = this.aggregate.maximumKey()
};
BTreeIterator.prototype.previous = function () {
this.pointer = this.aggregate.predecessor(this.pointer)
};
BTreeIterator.prototype.isDone = function () {
return this.pointer === null
};
BTreeIterator.prototype.getItem = function () {
return this.aggregate.search(this.pointer)
};
BTreeIterator.prototype.getKey = function () {
return this.pointer
};
CircularBufferIterator.prototype = new Iterator;
CircularBufferIterator.prototype.constructor = CircularBufferIterator;
CircularBufferIterator.prototype.first = function () {
this.pointer = this.aggregate.tail;
this.start = true
};
CircularBufferIterator.prototype.next = function () {
this.pointer = (this.pointer + 1) % this.aggregate.size;
this.start = false
};
CircularBufferIterator.prototype.last = function () {
this.pointer = (this.aggregate.head - 1) % this.aggregate.size;
this.start = true
};
CircularBufferIterator.prototype.previous = function () {
this.pointer = (this.pointer - 1) % this.aggregate.size;
this.start = false
};
CircularBufferIterator.prototype.isDone = function () {
return this.pointer === this.aggregate.head && !this.start || (this.pointer === this.aggregate.tail - 1) % this.aggregate.size || this.aggregate.isEmpty()
};
CircularBufferIterator.prototype.getItem = function () {
return this.aggregate.read(this.pointer)
};
CircularBuffer.prototype = new Aggregate;
CircularBuffer.prototype.constructor = CircularBuffer;
CircularBuffer.prototype.getIterator = function () {
return new CircularBufferIterator(this)
};
CircularBuffer.prototype.write = function (e) {
this.empty = false;
if (this.full)this.tail = (this.tail + 1) % this.size;
this.items[this.head] = e;
this.head = (this.head + 1) % this.size;
if (this.tail === this.head)this.full = true
};
CircularBuffer.prototype.free = function (e, t) {
if (e < 0)e = 0;
if (e > this.size - 1)e = this.size - 1;
if (t < 0)t = 0;
if (t > this.size - 1)t = this.size - 1;
for (var n = e; n < t; n = (n + 1) % this.size)delete this.items[n];
if (this.tail > e - 1 || this.tail < t)if (this.tail < this.head) {
this.tail = (e - 1) % this.size
} else {
this.tail = t
}
if (this.head > e || this.head < t)if (this.tail < this.head) {
this.head = t
} else {
this.head = e
}
if (e !== t)this.full = false;
for (var r = 0; r < this.size; r++)if (this.items[r] !== undefined) {
this.empty = false;
return
}
this.empty = true
};
CircularBuffer.prototype.freeAll = function () {
for (var e = 0; e < this.size; e++)delete this.items[e];
this.empty = true;
this.head = 0;
this.tail = 0
};
CircularBuffer.prototype.read = function (e) {
return this.items[e % this.size]
};
CircularBuffer.prototype.isEmpty = function () {
return this.empty
};
CircularBuffer.prototype.isFull = function () {
return this.full
};
CircularBuffer.prototype.clone = function () {
var e = new CircularBuffer(this.size);
e.head = this.head;
e.tail = this.tail;
for (var t = 0; t < this.items.length; t++)e.items[t] = this.items[t];
e.empty = this.empty;
e.full = this.full;
return e
};
CircularBuffer.prototype.resize = function (e) {
if (this.size < e) {
if (this.head < this.tail + 1) {
for (var t = 0; t < this.head; t++) {
this.items[(t + this.size) % e] = this.items[t];
delete this.items[t]
}
this.head = (this.head + this.size) % e
}
} else if (this.size > e) {
if (this.head < this.tail + 1) {
var n = e;
if (this.tail > e - 1) {
n = this.tail;
this.tail = 0
}
var r = this.size - n;
for (var i = this.head - r - 1; i > n - 1 || i < this.head - r; i--) {
this.items[(i + r) % this.size] = this.items[i];
if (!i)i = this.size
}
this.head = (this.head + r) % this.size
}
}
this.size = e
};
DoubleLinkedList.prototype = new Aggregate;
DoubleLinkedList.prototype.constructor = DoubleLinkedList;
DoubleLinkedList.prototype.getIterator = function () {
return new DoubleLinkedListIterator(this)
};
DoubleLinkedList.prototype.pushFront = function (e) {
var t = new DLLNode(e);
t.next = this.first;
this.first = t;
if (t.next)t.next.previous = t; else this.last = t;
this.length++
};
DoubleLinkedList.prototype.pushBack = function (e) {
var t = new DLLNode(e);
t.previous = this.last;
this.last = t;
if (t.previous)t.previous.next = t; else this.first = t;
this.length++
};
DoubleLinkedList.prototype.popFront = function () {
if (this.length) {
var e = this.first;
this.first = e.next;
if (e.next)e.next.previous = null;
this.length--;
e.next = null;
return e.item
}
return undefined
};
DoubleLinkedList.prototype.popBack = function () {
if (this.length) {
var e = this.last;
this.last = e.previous;
if (e.previous)e.previous.next = null;
this.length--;
e.previous = null;
return e.item
}
return undefined
};
DoubleLinkedList.prototype.multiPopFront = function (e) {
var t = [];
for (var n = 0; n < e && this.length; n++)t.push(this.popFront());
return t
};
DoubleLinkedList.prototype.multiPopBack = function (e) {
var t = [];
for (var n = 0; n < e && this.length; n++)t.push(this.popBack());
return t
};
DoubleLinkedList.prototype.peek = function () {
if (!this.length)return undefined;
return this.first.item
};
DoubleLinkedList.prototype.addAt = function (e, t) {
if (t < 0)return;
if (!t) {
this.pushFront(e);
return
}
if (t === this.length) {
this.pushBack(e);
return
}
var n = this.first;
if (!n && t > 0)this.pushBack(undefined);
for (var r = 0; r < t - 1; r++, n = n.next) {
if (n === this.last)this.pushBack(undefined)
}
if (n === this.last)this.pushBack(e); else if (n === this.first)this.pushFront(e); else {
var i = new DLLNode(e);
i.next = n.next;
i.previous = n;
n.next = i;
if (i.next)i.next.previous = i;
this.length++
}
};
DoubleLinkedList.prototype.removeAt = function (e) {
if (e < 0 || e > this.length - 1)return undefined;
if (e === 0)return this.popFront();
if (e === this.length - 1)return this.popBack();
var t = this.first;
for (; e > 0; e--)t = t.next;
t.previous.next = t.next;
t.next.previous = t.previous;
t.next = null;
t.previous = null;
this.length--;
return t.item
};
DoubleLinkedList.prototype.remove = function (e, t) {
t = t || function (t) {
return t === e
};
var n = this.first;
var r = null;
while (n) {
if (t(n.item)) {
if (n === this.first)this.first = n.next;
if (n === this.last)this.last = r;
if (r) {
r.next = n.next;
if (n.next)n.next.previous = r
}
return
}
r = n;
n = n.next
}
};
DoubleLinkedList.prototype.removeAll = function (e, t) {
t = t || function (t) {
return t === e
};
var n = this.first;
var r = null;
while (n) {
if (t(n.item)) {
if (n === this.first)this.first = n.next;
if (n === this.last)this.last = r;
if (r) {
r.next = n.next;
if (n.next)n.next.previous = r
}
} else r = n;
n = n.next
}
};
DoubleLinkedList.prototype.removeSegment = function (e, t) {
var n = [];
if (t > -1 && e < this.length) {
if (e === 0)return this.multiPopFront(t + 1);
if (t === this.length - 1 || e > t)return this.multiPopBack(Math.max(t - e, this.length - e)).reverse();
var r = this.first;
for (var i = 0; i < e - 1; i++)r = r.next;
var s = r.next;
for (var o = e; o < t + 1 && o < this.length; o++) {
n.push(s.item);
s = s.next
}
this.length -= Math.min(t - e + 1, this.length - e);
r.next = s;
s.previous = r
}
return n
};
DoubleLinkedList.prototype.modifyAt = function (e, t) {
var n = this.getNode(e);
if (n)n.item = t
};
DoubleLinkedList.prototype.clear = function () {
this.first = null;
this.last = null;
this.length = 0
};
DoubleLinkedList.prototype.contains = function (e, t) {
t = t || function (t) {
return t === e
};
var n = 0;
var r = this.first;
while (n < this.length && !t(r.item)) {
n++;
r = r.next
}
return n < this.length
};
DoubleLinkedList.prototype.execute = function (e) {
var t = this.first;
while (t) {
t.item = e(t.item);
t = t.next
}
};
DoubleLinkedList.prototype.deleteNode = function (e) {
if (e === this.first) {
this.popFront();
return
}
if (e === this.last) {
this.popBack();
return
}
e.previous.next = e.next;
e.next.previous = e.previous;
this.length--
};
DoubleLinkedList.prototype.getNode = function (e, t) {
if (e < 0 || e > this.length - 1)return undefined;
var n = Math.floor(this.length / 2);
if (e < n || t) {
t = t || this.first;
for (; e > 0; e--)t = t.next
} else for (e = this.length - e - 1, t = this.last; e > 0; e--)t = t.previous;
return t
};
DoubleLinkedList.prototype.getItem = function (e) {
if (e < 0 || e > this.length - 1)return undefined;
var t;
var n = Math.floor(this.length / 2);
if (e < n)for (t = this.first; e > 0; e--)t = t.next; else for (e = this.length - e - 1, t = this.last; e > 0; e--)t = t.previous;
return t.item
};
DoubleLinkedList.prototype.parallelSort = function () {
function n(r, i, s) {
if (r < i) {
var o = Math.floor((r + i) / 2);
var u = new Worker("DoubleLinkedList/WorkerSort.js");
var a = new Worker("DoubleLinkedList/WorkerSort.js");
e.push(u);
e.push(a);
var f = e.length;
u.postMessage({cmd: "start", from: r, to: o, worker: s});
a.postMessage({cmd: "start", from: o + 1, to: i, worker: s});
n(r, o, f - 2);
n(o + 1, i, f - 1);
u.onmessage = function (n) {
var r = n.data;
switch (r.cmd) {
case"finished":
e[r.worker].postMessage({cmd: "finished", array: t});
break;
case"replace":
t[r.index] = r.value;
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