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[VSoRC/.git] / node_modules / xterm / src / common / buffer / BufferSet.ts

diff --git a/node_modules/xterm/src/common/buffer/BufferSet.ts b/node_modules/xterm/src/common/buffer/BufferSet.ts
deleted file mode 100644 (file)
index 50e6e50..0000000
--- a/node_modules/xterm/src/common/buffer/BufferSet.ts
+++ /dev/null
@@ -1,122 +0,0 @@
-/**
- * Copyright (c) 2017 The xterm.js authors. All rights reserved.
- * @license MIT
- */
-
-import { IBuffer, IBufferSet } from 'common/buffer/Types';
-import { IAttributeData } from 'common/Types';
-import { Buffer } from 'common/buffer/Buffer';
-import { EventEmitter, IEvent } from 'common/EventEmitter';
-import { IOptionsService, IBufferService } from 'common/services/Services';
-
-/**
- * The BufferSet represents the set of two buffers used by xterm terminals (normal and alt) and
- * provides also utilities for working with them.
- */
-export class BufferSet implements IBufferSet {
-  private _normal: Buffer;
-  private _alt: Buffer;
-  private _activeBuffer: Buffer;
-
-
-  private _onBufferActivate = new EventEmitter<{activeBuffer: IBuffer, inactiveBuffer: IBuffer}>();
-  public get onBufferActivate(): IEvent<{activeBuffer: IBuffer, inactiveBuffer: IBuffer}> { return this._onBufferActivate.event; }
-
-  /**
-   * Create a new BufferSet for the given terminal.
-   * @param _terminal - The terminal the BufferSet will belong to
-   */
-  constructor(
-    readonly optionsService: IOptionsService,
-    readonly bufferService: IBufferService
-  ) {
-    this._normal = new Buffer(true, optionsService, bufferService);
-    this._normal.fillViewportRows();
-
-    // The alt buffer should never have scrollback.
-    // See http://invisible-island.net/xterm/ctlseqs/ctlseqs.html#h2-The-Alternate-Screen-Buffer
-    this._alt = new Buffer(false, optionsService, bufferService);
-    this._activeBuffer = this._normal;
-
-    this.setupTabStops();
-  }
-
-  /**
-   * Returns the alt Buffer of the BufferSet
-   */
-  public get alt(): Buffer {
-    return this._alt;
-  }
-
-  /**
-   * Returns the normal Buffer of the BufferSet
-   */
-  public get active(): Buffer {
-    return this._activeBuffer;
-  }
-
-  /**
-   * Returns the currently active Buffer of the BufferSet
-   */
-  public get normal(): Buffer {
-    return this._normal;
-  }
-
-  /**
-   * Sets the normal Buffer of the BufferSet as its currently active Buffer
-   */
-  public activateNormalBuffer(): void {
-    if (this._activeBuffer === this._normal) {
-      return;
-    }
-    this._normal.x = this._alt.x;
-    this._normal.y = this._alt.y;
-    // The alt buffer should always be cleared when we switch to the normal
-    // buffer. This frees up memory since the alt buffer should always be new
-    // when activated.
-    this._alt.clear();
-    this._activeBuffer = this._normal;
-    this._onBufferActivate.fire({
-      activeBuffer: this._normal,
-      inactiveBuffer: this._alt
-    });
-  }
-
-  /**
-   * Sets the alt Buffer of the BufferSet as its currently active Buffer
-   */
-  public activateAltBuffer(fillAttr?: IAttributeData): void {
-    if (this._activeBuffer === this._alt) {
-      return;
-    }
-    // Since the alt buffer is always cleared when the normal buffer is
-    // activated, we want to fill it when switching to it.
-    this._alt.fillViewportRows(fillAttr);
-    this._alt.x = this._normal.x;
-    this._alt.y = this._normal.y;
-    this._activeBuffer = this._alt;
-    this._onBufferActivate.fire({
-      activeBuffer: this._alt,
-      inactiveBuffer: this._normal
-    });
-  }
-
-  /**
-   * Resizes both normal and alt buffers, adjusting their data accordingly.
-   * @param newCols The new number of columns.
-   * @param newRows The new number of rows.
-   */
-  public resize(newCols: number, newRows: number): void {
-    this._normal.resize(newCols, newRows);
-    this._alt.resize(newCols, newRows);
-  }
-
-  /**
-   * Setup the tab stops.
-   * @param i The index to start setting up tab stops from.
-   */
-  public setupTabStops(i?: number): void {
-    this._normal.setupTabStops(i);
-    this._alt.setupTabStops(i);
-  }
-}