src/Buffer.ts

   1 /**
   2  * @license MIT
   3  */
   4
   5 import { ITerminal } from './Interfaces';
   6 import { CircularList } from './utils/CircularList';
   7
   8 /**
   9  * This class represents a terminal buffer (an internal state of the terminal)/
  10  */
  11 export class Buffer {
  12   public lines: CircularList<any>;
  13   private _tabs: any;
  14
  15   /**
  16    * Create a new Buffer.
  17    * @param {Terminal} terminal - The terminal the buffer will belong to
  18    * @param {number} ydisp - The scroll position of the buffer in the viewport
  19    * @param {number} ybase - The scroll position of the y cursor (ybase + y = the y position within the buffer)
  20    * @param {number} y - The cursor's y position after ybase
  21    * @param {number} x - The cursor's x position after ybase
  22    */
  23   constructor(
  24     private terminal: ITerminal,
  25     public ydisp: number = 0,
  26     public ybase: number = 0,
  27     public y: number = 0,
  28     public x: number = 0,
  29   ) {
  30     this.lines = new CircularList(this.terminal.scrollback);
  31   }
  32 }