import Contents from "./contents";
import Layout from "./layout";

export interface EpubCFIPair {
  start: string;
  end: string;
}

export interface RangePair {
  start: Range;
  end: Range;
}

export default class Mapping {
  constructor(layout: Layout, direction?: string, axis?: string, dev?: boolean);

  page(
    contents: Contents,
    cfiBase: string,
    start: number,
    end: number
  ): EpubCFIPair;
  axis(axis: string): boolean;

  private walk(root: Node, func: Function);
  private findStart(root: Node, start: number, end: number): Range;
  private findEnd(root: Node, start: number, end: number): Range;
  private findTextStartRange(node: Node, start: number, end: number): Range;
  private findTextEndRange(node: Node, start: number, end: number): Range;
  private splitTextNodeIntoRanges(node: Node, _splitter?: string): Array<Range>;
  private rangePairToCfiPair(
    cfiBase: string,
    rangePair: RangePair
  ): EpubCFIPair;
}