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| /** | |
| * @fileoverview Define the abstract class about cursors which manipulate another cursor. | |
| * @author Toru Nagashima | |
| */ | |
| "use strict"; | |
| //------------------------------------------------------------------------------ | |
| // Requirements | |
| //------------------------------------------------------------------------------ | |
| const Cursor = require("./cursor"); | |
| //------------------------------------------------------------------------------ | |
| // Exports | |
| //------------------------------------------------------------------------------ | |
| /** | |
| * The abstract class about cursors which manipulate another cursor. | |
| */ | |
| module.exports = class DecorativeCursor extends Cursor { | |
| /** | |
| * Initializes this cursor. | |
| * @param {Cursor} cursor The cursor to be decorated. | |
| */ | |
| constructor(cursor) { | |
| super(); | |
| this.cursor = cursor; | |
| } | |
| /** @inheritdoc */ | |
| moveNext() { | |
| const retv = this.cursor.moveNext(); | |
| this.current = this.cursor.current; | |
| return retv; | |
| } | |
| }; |