Move BufferLine into core

src/Buffer.test.ts

@@ -8,7 +8,7 @@ import { ITerminal } from './Types';
 import { Buffer } from './Buffer';
 import { CircularList } from './common/CircularList';
 import { MockTerminal, TestTerminal } from './TestUtils.test';
-import { BufferLine, CellData, DEFAULT_ATTR_DATA } from './BufferLine';
+import { BufferLine, CellData, DEFAULT_ATTR_DATA } from './core/buffer/BufferLine';
 
 const INIT_COLS = 80;
 const INIT_ROWS = 24;

src/Buffer.ts

@@ -7,7 +7,7 @@ import { CircularList, IInsertEvent } from './common/CircularList';
 import { ITerminal, IBuffer, BufferIndex, IBufferStringIterator, IBufferStringIteratorResult } from './Types';
 import { IBufferLine, ICellData, IAttributeData } from './core/Types';
 import { IMarker } from 'xterm';
-import { BufferLine, CellData, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE, WHITESPACE_CELL_CHAR, WHITESPACE_CELL_WIDTH, WHITESPACE_CELL_CODE, CHAR_DATA_WIDTH_INDEX, CHAR_DATA_CHAR_INDEX, DEFAULT_ATTR_DATA } from './BufferLine';
+import { BufferLine, CellData, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE, WHITESPACE_CELL_CHAR, WHITESPACE_CELL_WIDTH, WHITESPACE_CELL_CODE, CHAR_DATA_WIDTH_INDEX, CHAR_DATA_CHAR_INDEX, DEFAULT_ATTR_DATA } from './core/buffer/BufferLine';
 import { reflowLargerApplyNewLayout, reflowLargerCreateNewLayout, reflowLargerGetLinesToRemove, reflowSmallerGetNewLineLengths, getWrappedLineTrimmedLength } from './BufferReflow';
 import { EventEmitter2, IEvent } from './common/EventEmitter2';
 import { Disposable } from '../lib/common/Lifecycle';

src/BufferLine.test.ts

@@ -3,10 +3,9 @@
  * @license MIT
  */
 import * as chai from 'chai';
-import { BufferLine, CellData, Content, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE, DEFAULT_ATTR } from './BufferLine';
+import { BufferLine, CellData, Content, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE, DEFAULT_ATTR } from './core/buffer/BufferLine';
 import { CharData, IBufferLine } from './core/Types';
 
-
 class TestBufferLine extends BufferLine {
   public get combined(): {[index: number]: string} {
     return this._combined;

src/BufferReflow.test.ts

@@ -3,7 +3,7 @@
  * @license MIT
  */
 import { assert } from 'chai';
-import { BufferLine, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE } from './BufferLine';
+import { BufferLine, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE } from './core/buffer/BufferLine';
 import { reflowSmallerGetNewLineLengths } from './BufferReflow';
 
 describe('BufferReflow', () => {

src/BufferReflow.ts

@@ -3,7 +3,7 @@
  * @license MIT
  */
 
-import { BufferLine } from './BufferLine';
+import { BufferLine } from './core/buffer/BufferLine';
 import { CircularList } from './common/CircularList';
 import { IBufferLine, ICellData } from './core/Types';
 

src/CharWidth.test.ts

@@ -7,7 +7,7 @@ import { TestTerminal } from './TestUtils.test';
 import { assert } from 'chai';
 import { getStringCellWidth, wcwidth } from './CharWidth';
 import { IBuffer } from './Types';
-import { CellData, CHAR_DATA_WIDTH_INDEX, CHAR_DATA_CHAR_INDEX } from './BufferLine';
+import { CellData, CHAR_DATA_WIDTH_INDEX, CHAR_DATA_CHAR_INDEX } from './core/buffer/BufferLine';
 
 
 describe('getStringCellWidth', function(): void {

src/InputHandler.test.ts

@@ -8,7 +8,7 @@ import { InputHandler } from './InputHandler';
 import { MockInputHandlingTerminal, TestTerminal } from './TestUtils.test';
 import { Terminal } from './Terminal';
 import { IBufferLine } from './core/Types';
-import { CellData, Attributes, AttributeData, DEFAULT_ATTR_DATA } from './BufferLine';
+import { CellData, Attributes, AttributeData, DEFAULT_ATTR_DATA } from './core/buffer/BufferLine';
 
 describe('InputHandler', () => {
   describe('save and restore cursor', () => {

src/InputHandler.ts

@@ -13,7 +13,7 @@ import { IDisposable } from 'xterm';
 import { Disposable } from './common/Lifecycle';
 import { concat } from './common/TypedArrayUtils';
 import { StringToUtf32, stringFromCodePoint, utf32ToString } from './core/input/TextDecoder';
-import { CellData, Attributes, FgFlags, BgFlags, AttributeData, NULL_CELL_WIDTH, NULL_CELL_CODE, DEFAULT_ATTR_DATA } from './BufferLine';
+import { CellData, Attributes, FgFlags, BgFlags, AttributeData, NULL_CELL_WIDTH, NULL_CELL_CODE, DEFAULT_ATTR_DATA } from './core/buffer/BufferLine';
 import { EventEmitter2, IEvent } from './common/EventEmitter2';
 
 /**

src/Linkifier.test.ts

@@ -9,7 +9,7 @@ import { IBufferLine } from './core/Types';
 import { Linkifier } from './Linkifier';
 import { MockBuffer, MockTerminal, TestTerminal } from './TestUtils.test';
 import { CircularList } from './common/CircularList';
-import { BufferLine, CellData } from './BufferLine';
+import { BufferLine, CellData } from './core/buffer/BufferLine';
 
 class TestLinkifier extends Linkifier {
   constructor(terminal: ITerminal) {

src/SelectionManager.test.ts

@@ -11,7 +11,7 @@ import { BufferSet } from './BufferSet';
 import { ITerminal, IBuffer } from './Types';
 import { IBufferLine } from './core/Types';
 import { MockTerminal } from './TestUtils.test';
-import { BufferLine, CellData } from './BufferLine';
+import { BufferLine, CellData } from './core/buffer/BufferLine';
 
 class TestMockTerminal extends MockTerminal {
   emit(event: string, data: any): void {}

src/SelectionManager.ts

@@ -10,7 +10,7 @@ import * as Browser from './common/Platform';
 import { CharMeasure } from './CharMeasure';
 import { SelectionModel } from './SelectionModel';
 import { AltClickHandler } from './handlers/AltClickHandler';
-import { CellData } from './BufferLine';
+import { CellData } from './core/buffer/BufferLine';
 import { IDisposable } from 'xterm';
 import { EventEmitter2, IEvent } from './common/EventEmitter2';
 

src/Terminal.integration.ts

@@ -14,7 +14,7 @@ import * as pty from 'node-pty';
 import { assert } from 'chai';
 import { Terminal } from './Terminal';
 import { IViewport } from './Types';
-import { CellData, WHITESPACE_CELL_CHAR } from './BufferLine';
+import { CellData, WHITESPACE_CELL_CHAR } from './core/buffer/BufferLine';
 
 class TestTerminal extends Terminal {
   innerWrite(): void { this._innerWrite(); }

src/Terminal.test.ts

@@ -6,7 +6,7 @@
 import { assert, expect } from 'chai';
 import { Terminal } from './Terminal';
 import { MockViewport, MockCompositionHelper, MockRenderer } from './TestUtils.test';
-import { CellData, DEFAULT_ATTR_DATA } from './BufferLine';
+import { CellData, DEFAULT_ATTR_DATA } from './core/buffer/BufferLine';
 
 const INIT_COLS = 80;
 const INIT_ROWS = 24;

src/Terminal.ts

@@ -51,7 +51,7 @@ import { evaluateKeyboardEvent } from './core/input/Keyboard';
 import { KeyboardResultType, ICharset, IBufferLine, IAttributeData } from './core/Types';
 import { clone } from './common/Clone';
 import { EventEmitter2, IEvent } from './common/EventEmitter2';
-import { Attributes, DEFAULT_ATTR_DATA } from './BufferLine';
+import { Attributes, DEFAULT_ATTR_DATA } from './core/buffer/BufferLine';
 import { applyWindowsMode } from './WindowsMode';
 
 // Let it work inside Node.js for automated testing purposes.

src/TestUtils.test.ts

@@ -11,7 +11,7 @@ import { Buffer } from './Buffer';
 import * as Browser from './common/Platform';
 import { ITheme, IDisposable, IMarker, IEvent } from 'xterm';
 import { Terminal } from './Terminal';
-import { AttributeData } from './BufferLine';
+import { AttributeData } from './core/buffer/BufferLine';
 
 export class TestTerminal extends Terminal {
   writeSync(data: string): void {

src/WindowsMode.ts

@@ -5,7 +5,7 @@
 
 import { IDisposable } from 'xterm';
 import { ITerminal } from './Types';
-import { CHAR_DATA_CODE_INDEX, NULL_CELL_CODE, WHITESPACE_CELL_CODE } from './BufferLine';
+import { CHAR_DATA_CODE_INDEX, NULL_CELL_CODE, WHITESPACE_CELL_CODE } from './core/buffer/BufferLine';
 
 export function applyWindowsMode(terminal: ITerminal): IDisposable {
   // Winpty does not support wraparound mode which means that lines will never

src/core/buffer/BufferLine.ts

@@ -2,9 +2,9 @@
  * Copyright (c) 2018 The xterm.js authors. All rights reserved.
  * @license MIT
  */
-import { CharData, IBufferLine, ICellData, IColorRGB, IAttributeData } from './core/Types';
-import { stringFromCodePoint } from './core/input/TextDecoder';
-import { DEFAULT_COLOR } from './common/Types';
+import { CharData, IBufferLine, ICellData, IColorRGB, IAttributeData } from '../Types';
+import { stringFromCodePoint } from '../input/TextDecoder';
+import { DEFAULT_COLOR } from '../../common/Types';
 
 export const DEFAULT_ATTR = (0 << 18) | (DEFAULT_COLOR << 9) | (256 << 0);
 
@@ -325,17 +325,15 @@ export class CellData extends AttributeData implements ICellData {
  * memory allocs / GC pressure can be greatly reduced by reusing the CellData object.
  */
 export class BufferLine implements IBufferLine {
-  protected _data: Uint32Array | null = null;
+  protected _data: Uint32Array;
   protected _combined: {[index: number]: string} = {};
   public length: number;
 
   constructor(cols: number, fillCellData?: ICellData, public isWrapped: boolean = false) {
-    if (cols) {
-      this._data = new Uint32Array(cols * CELL_SIZE);
-      const cell = fillCellData || CellData.fromCharData([0, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE]);
-      for (let i = 0; i < cols; ++i) {
-        this.setCell(i, cell);
-      }
+    this._data = new Uint32Array(cols * CELL_SIZE);
+    const cell = fillCellData || CellData.fromCharData([0, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE]);
+    for (let i = 0; i < cols; ++i) {
+      this.setCell(i, cell);
     }
     this.length = cols;
   }
@@ -573,7 +571,7 @@ export class BufferLine implements IBufferLine {
           }
         }
       } else {
-        this._data = null;
+        this._data = new Uint32Array(0);
         this._combined = {};
       }
     }

src/renderer/BaseRenderLayer.ts

@@ -10,7 +10,7 @@ import { DEFAULT_COLOR } from '../common/Types';
 import { DIM_OPACITY, INVERTED_DEFAULT_COLOR, IGlyphIdentifier } from './atlas/Types';
 import BaseCharAtlas from './atlas/BaseCharAtlas';
 import { acquireCharAtlas } from './atlas/CharAtlasCache';
-import { CellData, AttributeData, WHITESPACE_CELL_CHAR, WHITESPACE_CELL_CODE } from '../BufferLine';
+import { CellData, AttributeData, WHITESPACE_CELL_CHAR, WHITESPACE_CELL_CODE } from '../core/buffer/BufferLine';
 import { JoinedCellData } from './CharacterJoinerRegistry';
 
 export abstract class BaseRenderLayer implements IRenderLayer {

src/renderer/CharacterJoinerRegistry.test.ts

@@ -10,7 +10,7 @@ import { CircularList } from '../common/CircularList';
 
 import { ICharacterJoinerRegistry } from './Types';
 import { CharacterJoinerRegistry } from './CharacterJoinerRegistry';
-import { BufferLine, CellData } from '../BufferLine';
+import { BufferLine, CellData } from '../core/buffer/BufferLine';
 import { IBufferLine } from '../core/Types';
 
 describe('CharacterJoinerRegistry', () => {

src/renderer/CharacterJoinerRegistry.ts

@@ -6,7 +6,7 @@
 import { ITerminal } from '../Types';
 import { IBufferLine, ICellData, CharData } from '../core/Types';
 import { ICharacterJoinerRegistry, ICharacterJoiner } from './Types';
-import { CellData, Content, AttributeData, WHITESPACE_CELL_CHAR } from '../BufferLine';
+import { CellData, Content, AttributeData, WHITESPACE_CELL_CHAR } from '../core/buffer/BufferLine';
 
 export class JoinedCellData extends AttributeData implements ICellData {
   private _width: number;