/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
///
import { BaseException } from '@angular-devkit/core';
import { LinkedList } from './linked-list';
export declare class IndexOutOfBoundException extends BaseException {
constructor(index: number, min: number, max?: number);
}
export declare class ContentCannotBeRemovedException extends BaseException {
constructor();
}
/**
* A Chunk description, including left/right content that has been inserted.
* If _left/_right is null, this means that content was deleted. If the _content is null,
* it means the content itself was deleted.
*
* @see UpdateBuffer
*/
export declare class Chunk {
start: number;
end: number;
originalContent: Buffer;
private _content;
private _left;
private _right;
private _assertLeft;
private _assertRight;
next: Chunk | null;
constructor(start: number, end: number, originalContent: Buffer);
get length(): number;
toString(encoding?: BufferEncoding): string;
slice(start: number): Chunk;
append(buffer: Buffer, essential: boolean): void;
prepend(buffer: Buffer, essential: boolean): void;
assert(left: boolean, _content: boolean, right: boolean): void;
remove(left: boolean, content: boolean, right: boolean): void;
copy(target: Buffer, start: number): number;
}
/**
* An utility class that allows buffers to be inserted to the _right or _left, or deleted, while
* keeping indices to the original buffer.
*
* The constructor takes an original buffer, and keeps it into a linked list of chunks, smaller
* buffers that keep track of _content inserted to the _right or _left of it.
*
* Since the Node Buffer structure is non-destructive when slicing, we try to use slicing to create
* new chunks, and always keep chunks pointing to the original content.
*/
export declare class UpdateBuffer {
protected _originalContent: Buffer;
protected _linkedList: LinkedList;
constructor(_originalContent: Buffer);
protected _assertIndex(index: number): void;
protected _slice(start: number): [Chunk, Chunk];
/**
* Gets the position in the content based on the position in the string.
* Some characters might be wider than one byte, thus we have to determine the position using
* string functions.
*/
protected _getTextPosition(index: number): number;
get length(): number;
get original(): Buffer;
toString(encoding?: BufferEncoding): string;
generate(): Buffer;
insertLeft(index: number, content: Buffer, assert?: boolean): void;
insertRight(index: number, content: Buffer, assert?: boolean): void;
remove(index: number, length: number): void;
}