/**
   * @fileoverview Define the cursor which limits the number of tokens.
   * @author Toru Nagashima
   */
  "use strict";
  
  //------------------------------------------------------------------------------
  // Requirements
  //------------------------------------------------------------------------------
  
  const DecorativeCursor = require("./decorative-cursor");
  
  //------------------------------------------------------------------------------
  // Exports
  //------------------------------------------------------------------------------
  
  /**
   * The decorative cursor which limits the number of tokens.
   */
  module.exports = class LimitCursor extends DecorativeCursor {
  
      /**
       * Initializes this cursor.
       * @param {Cursor} cursor - The cursor to be decorated.
       * @param {number} count - The count of tokens this cursor iterates.
       */
      constructor(cursor, count) {
          super(cursor);
          this.count = count;
      }
  
      /** @inheritdoc */
      moveNext() {
          if (this.count > 0) {
              this.count -= 1;
              return super.moveNext();
          }
          return false;
      }
  };