@cute-dw/core
Version:
This TypeScript library is the main part of a more powerfull package designed for the fast WEB software development. The cornerstone of the library is the **DataStore** class, which might be useful when you need a full control of the data, but do not need
182 lines • 22.8 kB
JavaScript
var _a;
import { UnsupportedOperationException } from "../util/exception/UnsupportedOperationException";
import { IndexOutOfBoundsException } from "../util/exception/IndexOutOfBoundsException";
import { AbstractList } from "./AbstractList";
import { ListView } from "./view/ListView";
import { Objects } from "../util/Objects";
/**
* Resizable-array implementation of the List interface. Implements all optional list operations, and permits all elements, including null.
* In addition to implementing the List interface, this class provides methods to manipulate the size of the array that is used internally to store the list.
*/
export class ArrayList extends AbstractList {
/**
* Constructs an empty list with the specified initial capacity (as number), or
* constructs a list containing the elements of the specified collection, in the order
* they are returned by the collection's iterator
* @param capacityOrCollection
*/
constructor(capacityOrCollection) {
super();
this._elems = [];
this._size = 0;
this[_a] = "ArrayList";
capacityOrCollection = capacityOrCollection ?? 10;
if (Objects.isNumber(capacityOrCollection)) {
this._elems = new Array(Math.max(capacityOrCollection, 0)).fill(null);
}
else {
const collection = capacityOrCollection;
this._elems = new Array(Math.max(collection.length, 0)).fill(null);
this.appendAll(collection);
this._modCount = 0;
}
}
_checkRange(index) {
if (index >= 0 && index < this.length) {
// OK!
}
else
throw new IndexOutOfBoundsException(`Index '${index}' is out of range`);
}
*[Symbol.iterator]() {
for (const elem of this._elems) {
yield elem;
}
}
get size() { return this._size; }
append(value) {
this.ensureCapacity(this.length + 1); // Increments modCount!!
this._elems[this._size++] = value;
return true;
}
clear() {
this._modCount++;
this._elems.fill(null);
this._size = 0;
}
clone() {
const aList = new ArrayList(this.size);
aList.appendAll(this);
return aList;
}
contains(value) {
return this.indexOf(value) >= 0;
}
/**
* @throws IndexOutOfBoundsException
*/
get(index) {
this._checkRange(index);
return this._elems[index];
}
/**
* @throws UnsupportedOperationException
*/
getNode(index) {
throw new UnsupportedOperationException("Unsupported operation");
}
indexOf(value, fromIndex = 0) {
fromIndex = Math.max(fromIndex, 0);
const nLen = this.length;
for (let i = 0; i < nLen; i++) {
if (this._elems[i] === value) {
return i;
}
}
return -1;
}
insert(index, value) {
this._checkRange(index);
this.ensureCapacity(this.length + 1);
this._size++;
this._elems.splice(index, 0, value);
return true;
}
lastIndexOf(value, fromIndex = 0) {
fromIndex = Math.max(fromIndex, 0);
const nLen = this.length;
for (let i = nLen - 1; i >= 0; i--) {
if (this._elems[i] === value) {
return i;
}
}
return -1;
}
remove(value) {
let i = -1;
let nLen = this.length;
while (++i < nLen) {
if (this._elems[i] === value) {
this._modCount++;
this._elems.splice(i, 1);
this._elems[--this._size] = null; // Let gc do its work
return true;
}
}
return false;
}
removeAt(index) {
this._checkRange(index);
this._modCount++;
const oldValue = this._elems[index];
this._elems.splice(index, 1);
this._elems[--this._size] = null; // Let gc do its work
return oldValue;
}
removeRange(fromIndex, toIndex) {
this._checkRange(fromIndex);
toIndex = toIndex ?? this.length;
const lastIndex = Math.min(toIndex, this.length);
if (lastIndex > fromIndex) {
this._modCount++;
const oldLen = this._elems.length;
const delCount = lastIndex - fromIndex;
this._elems.splice(fromIndex, delCount);
this._size -= delCount;
this._elems.length = oldLen;
this._elems.fill(null, this._size);
return true;
}
return false;
}
set(index, value) {
this._checkRange(index);
const oldValue = this._elems[index];
this._elems[index] = value;
this._modCount++;
return oldValue;
}
subList(fromIndex, toIndex) {
return new ListView(this, fromIndex, toIndex);
}
/**
* Increases the capacity of this ArrayList instance, if necessary, to ensure that it can hold at least the number of elements specified by the minimum capacity argument
* @param minCapacity The desired minimum capacity
*/
ensureCapacity(minCapacity) {
const oldCapacity = this._elems.length;
if (minCapacity > oldCapacity) {
let newCapacity = Math.ceil((oldCapacity * 3) / 2 + 1);
if (newCapacity < minCapacity)
newCapacity = minCapacity;
this._elems.length = newCapacity;
this._elems.fill(null, this.length);
this._modCount++;
}
}
/**
* Trims the capacity of this ArrayList instance to be the list's current size
*/
trimToSize() {
const oldCap = this._elems.length;
if (this.size < oldCap) {
this._elems.length = this.size;
this._modCount++;
}
}
toArray() {
return this._elems.slice(0, this.size);
}
}
_a = Symbol.toStringTag;
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{ UnsupportedOperationException } from \"../util/exception/UnsupportedOperationException\";\r\nimport { IndexOutOfBoundsException } from \"../util/exception/IndexOutOfBoundsException\";\r\nimport { AbstractList } from \"./AbstractList\";\r\nimport { LinkedListNode } from \"./LinkedList\";\r\nimport { List } from \"./List\";\r\nimport { ListView } from \"./view/ListView\";\r\nimport { Cloneable } from \"../util/interface/Cloneable\";\r\nimport { Collection, Element } from \"./Collection\";\r\nimport { Objects } from \"../util/Objects\";\r\n/**\r\n * Resizable-array implementation of the List interface. Implements all optional list operations, and permits all elements, including null.\r\n * In addition to implementing the List interface, this class provides methods to manipulate the size of the array that is used internally to store the list.\r\n */\r\nexport class ArrayList<T> extends AbstractList<T> implements Cloneable {\r\n  private readonly _elems: Element<T>[] = [];\r\n  private _size: number = 0;\r\n\r\n  /**\r\n   * Constructs an empty list with the specified initial capacity (as number), or\r\n   * constructs a list containing the elements of the specified collection, in the order\r\n   * they are returned by the collection's iterator\r\n   * @param capacityOrCollection\r\n   */\r\n  constructor(capacityOrCollection?: Collection<T>|Array<T>|number) {\r\n    super();\r\n    capacityOrCollection = capacityOrCollection ?? 10;\r\n    if (Objects.isNumber(capacityOrCollection)) {\r\n      this._elems = new Array<Element<T>>(Math.max(capacityOrCollection, 0)).fill(null);\r\n    } else {\r\n      const collection = capacityOrCollection;\r\n      this._elems = new Array<Element<T>>(Math.max(collection.length, 0)).fill(null);\r\n      this.appendAll(collection);\r\n      this._modCount = 0;\r\n    }\r\n  }\r\n\r\n  private _checkRange(index: number): void {\r\n    if (index >= 0 && index < this.length) {\r\n      // OK!\r\n    } else\r\n      throw new IndexOutOfBoundsException(`Index '${index}' is out of range`)\r\n  }\r\n\r\n  override *[Symbol.iterator](): IterableIterator<Element<T>> {\r\n    for (const elem of this._elems) {\r\n      yield elem;\r\n    }\r\n  }\r\n\r\n  override [Symbol.toStringTag] = \"ArrayList\";\r\n\r\n  override get size(): number { return this._size }\r\n\r\n  override append(value: Element<T>): boolean {\r\n    this.ensureCapacity(this.length + 1); // Increments modCount!!\r\n    this._elems[this._size++] = value;\r\n    return true;\r\n  }\r\n\r\n  override clear(): void {\r\n    this._modCount++;\r\n    this._elems.fill(null);\r\n    this._size = 0;\r\n  }\r\n\r\n  clone(): ArrayList<T> {\r\n    const aList = new ArrayList<T>(this.size);\r\n    aList.appendAll(this);\r\n    return aList;\r\n  }\r\n\r\n  override contains(value: Element<T>): boolean {\r\n    return this.indexOf(value) >= 0;\r\n  }\r\n  /**\r\n   * @throws IndexOutOfBoundsException\r\n   */\r\n  override get(index: number): Element<T> | undefined {\r\n    this._checkRange(index);\r\n    return this._elems[index];\r\n  }\r\n  /**\r\n   * @throws UnsupportedOperationException\r\n   */\r\n  override getNode(index: number): Readonly<LinkedListNode<T>> | null {\r\n    throw new UnsupportedOperationException(\"Unsupported operation\");\r\n  }\r\n\r\n  override indexOf(value: Element<T>, fromIndex: number = 0): number {\r\n    fromIndex = Math.max(fromIndex, 0);\r\n    const nLen = this.length;\r\n    for (let i = 0; i < nLen; i++) {\r\n      if (this._elems[i] === value) {\r\n        return i;\r\n      }\r\n    }\r\n    return -1;\r\n  }\r\n\r\n  override insert(index: number, value: Element<T>): boolean {\r\n    this._checkRange(index);\r\n    this.ensureCapacity(this.length + 1);\r\n    this._size++;\r\n    this._elems.splice(index, 0, value);\r\n    return true;\r\n  }\r\n\r\n  override lastIndexOf(value: Element<T>, fromIndex: number = 0): number {\r\n    fromIndex = Math.max(fromIndex, 0);\r\n    const nLen = this.length;\r\n    for (let i = nLen - 1; i >= 0; i--) {\r\n      if (this._elems[i] === value) {\r\n        return i;\r\n      }\r\n    }\r\n    return -1;\r\n  }\r\n\r\n  override remove(value: Element<T>): boolean {\r\n    let i = -1;\r\n    let nLen = this.length;\r\n    while (++i < nLen) {\r\n      if (this._elems[i] === value) {\r\n        this._modCount++;\r\n        this._elems.splice(i, 1);\r\n        this._elems[--this._size] = null; // Let gc do its work\r\n        return true;\r\n      }\r\n    }\r\n    return false;\r\n  }\r\n\r\n  override removeAt(index: number): Element<T> | undefined {\r\n    this._checkRange(index);\r\n\r\n    this._modCount++;\r\n    const oldValue = this._elems[index];\r\n    this._elems.splice(index, 1);\r\n    this._elems[--this._size] = null; // Let gc do its work\r\n\r\n    return oldValue;\r\n  }\r\n\r\n  override removeRange(fromIndex: number, toIndex?: number): boolean {\r\n    this._checkRange(fromIndex);\r\n    toIndex = toIndex ?? this.length;\r\n    const lastIndex = Math.min(toIndex, this.length);\r\n    if (lastIndex > fromIndex) {\r\n      this._modCount++;\r\n      const oldLen = this._elems.length;\r\n      const delCount = lastIndex - fromIndex;\r\n      this._elems.splice(fromIndex, delCount);\r\n      this._size -= delCount;\r\n      this._elems.length = oldLen;\r\n      this._elems.fill(null, this._size);\r\n      return true;\r\n    }\r\n    return false;\r\n  }\r\n\r\n  override set(index: number, value: Element<T>): Element<T> | undefined {\r\n    this._checkRange(index);\r\n    const oldValue = this._elems[index];\r\n    this._elems[index] = value;\r\n    this._modCount++;\r\n    return oldValue;\r\n  }\r\n\r\n  override subList(fromIndex: number, toIndex: number): List<T> {\r\n    return new ListView(this, fromIndex, toIndex);\r\n  }\r\n  /**\r\n   * Increases the capacity of this ArrayList instance, if necessary, to ensure that it can hold at least the number of elements specified by the minimum capacity argument\r\n   * @param minCapacity The desired minimum capacity\r\n   */\r\n  ensureCapacity(minCapacity: number): void {\r\n    const oldCapacity = this._elems.length;\r\n    if (minCapacity > oldCapacity) {\r\n      let newCapacity = Math.ceil((oldCapacity * 3) / 2 + 1);\r\n      if (newCapacity < minCapacity)\r\n        newCapacity = minCapacity;\r\n      this._elems.length = newCapacity;\r\n      this._elems.fill(null, this.length);\r\n      this._modCount++;\r\n    }\r\n  }\r\n  /**\r\n   * Trims the capacity of this ArrayList instance to be the list's current size\r\n   */\r\n  trimToSize(): void {\r\n    const oldCap = this._elems.length;\r\n    if (this.size < oldCap) {\r\n      this._elems.length = this.size;\r\n      this._modCount++;\r\n    }\r\n  }\r\n\r\n  override toArray(): Element<T>[] {\r\n    return this._elems.slice(0, this.size);\r\n  }\r\n}\r\n"]}