UnicodeService & provider

This commit is contained in:
Jörg Breitbart
2019-12-05 15:42:55 +01:00
parent a574591481
commit 3395ccb943
13 changed files with 648 additions and 42 deletions
+1 -1
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@@ -257,7 +257,7 @@ function initOptions(term: TerminalType): void {
logLevel: ['debug', 'info', 'warn', 'error', 'off'],
rendererType: ['dom', 'canvas'],
wordSeparator: null,
unicodeVersion: ['6', '11']
unicodeVersion: ['6']
};
const options = Object.keys((<any>term)._core.options);
const booleanOptions = [];
+10 -10
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@@ -13,7 +13,7 @@ import { CellData } from 'common/buffer/CellData';
import { Attributes } from 'common/buffer/Constants';
import { AttributeData } from 'common/buffer/AttributeData';
import { Params } from 'common/parser/Params';
import { MockCoreService, MockBufferService, MockDirtyRowService, MockOptionsService, MockLogService, MockCoreMouseService } from 'common/TestUtils.test';
import { MockCoreService, MockBufferService, MockDirtyRowService, MockOptionsService, MockLogService, MockCoreMouseService, MockUnicodeService } from 'common/TestUtils.test';
import { IBufferService } from 'common/services/Services';
import { DEFAULT_OPTIONS } from 'common/services/OptionsService';
import { clone } from 'common/Clone';
@@ -41,7 +41,7 @@ describe('InputHandler', () => {
bufferService.buffer.x = 1;
bufferService.buffer.y = 2;
bufferService.buffer.ybase = 0;
const inputHandler = new InputHandler(terminal, bufferService, new MockCoreService(), new MockDirtyRowService(), new MockLogService(), new MockOptionsService(), new MockCoreMouseService());
const inputHandler = new InputHandler(terminal, bufferService, new MockCoreService(), new MockDirtyRowService(), new MockLogService(), new MockOptionsService(), new MockCoreMouseService(), new MockUnicodeService());
// Save cursor position
inputHandler.saveCursor();
assert.equal(bufferService.buffer.x, 1);
@@ -60,7 +60,7 @@ describe('InputHandler', () => {
describe('setCursorStyle', () => {
it('should call Terminal.setOption with correct params', () => {
const optionsService = new MockOptionsService();
const inputHandler = new InputHandler(new MockInputHandlingTerminal(), new MockBufferService(80, 30), new MockCoreService(), new MockDirtyRowService(), new MockLogService(), optionsService, new MockCoreMouseService());
const inputHandler = new InputHandler(new MockInputHandlingTerminal(), new MockBufferService(80, 30), new MockCoreService(), new MockDirtyRowService(), new MockLogService(), optionsService, new MockCoreMouseService(), new MockUnicodeService());
inputHandler.setCursorStyle(Params.fromArray([0]));
assert.equal(optionsService.options['cursorStyle'], 'block');
@@ -101,7 +101,7 @@ describe('InputHandler', () => {
it('should toggle Terminal.bracketedPasteMode', () => {
const terminal = new MockInputHandlingTerminal();
terminal.bracketedPasteMode = false;
const inputHandler = new InputHandler(terminal, new MockBufferService(80, 30), new MockCoreService(), new MockDirtyRowService(), new MockLogService(), new MockOptionsService(), new MockCoreMouseService());
const inputHandler = new InputHandler(terminal, new MockBufferService(80, 30), new MockCoreService(), new MockDirtyRowService(), new MockLogService(), new MockOptionsService(), new MockCoreMouseService(), new MockUnicodeService());
// Set bracketed paste mode
inputHandler.setModePrivate(Params.fromArray([2004]));
assert.equal(terminal.bracketedPasteMode, true);
@@ -120,7 +120,7 @@ describe('InputHandler', () => {
it('insertChars', function(): void {
const term = new Terminal();
const bufferService = new MockBufferService(80, 30);
const inputHandler = new InputHandler(term, bufferService, new MockCoreService(), new MockDirtyRowService(), new MockLogService(), new MockOptionsService(), new MockCoreMouseService());
const inputHandler = new InputHandler(term, bufferService, new MockCoreService(), new MockDirtyRowService(), new MockLogService(), new MockOptionsService(), new MockCoreMouseService(), new MockUnicodeService());
// insert some data in first and second line
inputHandler.parse(Array(bufferService.cols - 9).join('a'));
@@ -158,7 +158,7 @@ describe('InputHandler', () => {
it('deleteChars', function(): void {
const term = new Terminal();
const bufferService = new MockBufferService(80, 30);
const inputHandler = new InputHandler(term, bufferService, new MockCoreService(), new MockDirtyRowService(), new MockLogService(), new MockOptionsService(), new MockCoreMouseService());
const inputHandler = new InputHandler(term, bufferService, new MockCoreService(), new MockDirtyRowService(), new MockLogService(), new MockOptionsService(), new MockCoreMouseService(), new MockUnicodeService());
// insert some data in first and second line
inputHandler.parse(Array(bufferService.cols - 9).join('a'));
@@ -199,7 +199,7 @@ describe('InputHandler', () => {
it('eraseInLine', function(): void {
const term = new Terminal();
const bufferService = new MockBufferService(80, 30);
const inputHandler = new InputHandler(term, bufferService, new MockCoreService(), new MockDirtyRowService(), new MockLogService(), new MockOptionsService(), new MockCoreMouseService());
const inputHandler = new InputHandler(term, bufferService, new MockCoreService(), new MockDirtyRowService(), new MockLogService(), new MockOptionsService(), new MockCoreMouseService(), new MockUnicodeService());
// fill 6 lines to test 3 different states
inputHandler.parse(Array(bufferService.cols + 1).join('a'));
@@ -228,7 +228,7 @@ describe('InputHandler', () => {
it('eraseInDisplay', function(): void {
const term = new Terminal({cols: 80, rows: 7});
const bufferService = new MockBufferService(80, 7);
const inputHandler = new InputHandler(term, bufferService, new MockCoreService(), new MockDirtyRowService(), new MockLogService(), new MockOptionsService(), new MockCoreMouseService());
const inputHandler = new InputHandler(term, bufferService, new MockCoreService(), new MockDirtyRowService(), new MockLogService(), new MockOptionsService(), new MockCoreMouseService(), new MockUnicodeService());
// fill display with a's
for (let i = 0; i < bufferService.rows; ++i) inputHandler.parse(Array(bufferService.cols + 1).join('a'));
@@ -363,7 +363,7 @@ describe('InputHandler', () => {
describe('print', () => {
it('should not cause an infinite loop (regression test)', () => {
const term = new Terminal();
const inputHandler = new InputHandler(term, new MockBufferService(80, 30), new MockCoreService(), new MockDirtyRowService(), new MockLogService(), new MockOptionsService(), new MockCoreMouseService());
const inputHandler = new InputHandler(term, new MockBufferService(80, 30), new MockCoreService(), new MockDirtyRowService(), new MockLogService(), new MockOptionsService(), new MockCoreMouseService(), new MockUnicodeService());
const container = new Uint32Array(10);
container[0] = 0x200B;
inputHandler.print(container, 0, 1);
@@ -378,7 +378,7 @@ describe('InputHandler', () => {
beforeEach(() => {
term = new Terminal();
bufferService = new MockBufferService(80, 30);
handler = new InputHandler(term, bufferService, new MockCoreService(), new MockDirtyRowService(), new MockLogService(), new MockOptionsService(), new MockCoreMouseService());
handler = new InputHandler(term, bufferService, new MockCoreService(), new MockDirtyRowService(), new MockLogService(), new MockOptionsService(), new MockCoreMouseService(), new MockUnicodeService());
});
it('should handle DECSET/DECRST 47 (alt screen buffer)', () => {
handler.parse('\x1b[?47h\r\n\x1b[31mJUNK\x1b[?47lTEST');
+3 -11
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@@ -7,7 +7,6 @@
import { IInputHandler, IInputHandlingTerminal } from './Types';
import { C0, C1 } from 'common/data/EscapeSequences';
import { CHARSETS, DEFAULT_CHARSET } from 'common/data/Charsets';
import { wcwidthV6, wcwidthV11 } from 'common/CharWidth';
import { EscapeSequenceParser } from 'common/parser/EscapeSequenceParser';
import { Disposable } from 'common/Lifecycle';
import { concat } from 'common/TypedArrayUtils';
@@ -19,7 +18,7 @@ import { NULL_CELL_CODE, NULL_CELL_WIDTH, Attributes, FgFlags, BgFlags, Content
import { CellData } from 'common/buffer/CellData';
import { AttributeData } from 'common/buffer/AttributeData';
import { IAttributeData, IDisposable } from 'common/Types';
import { ICoreService, IBufferService, IOptionsService, ILogService, IDirtyRowService, ICoreMouseService } from 'common/services/Services';
import { ICoreService, IBufferService, IOptionsService, ILogService, IDirtyRowService, ICoreMouseService, IUnicodeService } from 'common/services/Services';
import { OscHandler } from 'common/parser/OscParser';
import { DcsHandler } from 'common/parser/DcsParser';
@@ -127,7 +126,6 @@ export class InputHandler extends Disposable implements IInputHandler {
private _stringDecoder: StringToUtf32 = new StringToUtf32();
private _utf8Decoder: Utf8ToUtf32 = new Utf8ToUtf32();
private _workCell: CellData = new CellData();
private _wcwidth: (codepoint: number) => number;
private _onCursorMove = new EventEmitter<void>();
public get onCursorMove(): IEvent<void> { return this._onCursorMove.event; }
@@ -144,16 +142,10 @@ export class InputHandler extends Disposable implements IInputHandler {
private readonly _logService: ILogService,
private readonly _optionsService: IOptionsService,
private readonly _coreMouseService: ICoreMouseService,
private readonly _unicodeService: IUnicodeService,
private readonly _parser: IEscapeSequenceParser = new EscapeSequenceParser())
{
super();
this._wcwidth = this._optionsService.options.unicodeVersion === '11' ? wcwidthV11 : wcwidthV6;
this._optionsService.onOptionChange(option => {
if (option === 'unicodeVersion') {
this._wcwidth = this._optionsService.options.unicodeVersion === '11' ? wcwidthV11 : wcwidthV6;
}
});
this.register(this._parser);
/**
@@ -400,7 +392,7 @@ export class InputHandler extends Disposable implements IInputHandler {
// calculate print space
// expensive call, therefore we save width in line buffer
chWidth = this._wcwidth(code);
chWidth = this._unicodeService.wcwidth(code);
// get charset replacement character
// charset is only defined for ASCII, therefore we only
+5 -3
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@@ -7,15 +7,17 @@ import { assert, expect } from 'chai';
import { MockViewport, MockCompositionHelper, MockRenderer, TestTerminal } from './TestUtils.test';
import { DEFAULT_ATTR_DATA } from 'common/buffer/BufferLine';
import { CellData } from 'common/buffer/CellData';
import { wcwidthV6 } from 'common/CharWidth';
import { IBufferService } from 'common/services/Services';
import { Linkifier } from 'browser/Linkifier';
import { MockLogService, MockOptionsService } from 'common/TestUtils.test';
import { MockLogService, MockOptionsService, MockUnicodeService } from 'common/TestUtils.test';
import { IRegisteredLinkMatcher, IMouseZoneManager, IMouseZone } from 'browser/Types';
const INIT_COLS = 80;
const INIT_ROWS = 24;
// grab wcwidth from mock unicode service (hardcoded to V6)
const wcwidth = (new MockUnicodeService()).wcwidth;
describe('Terminal', () => {
let term: TestTerminal;
const termOptions = {
@@ -762,7 +764,7 @@ describe('Terminal', () => {
for (let i = 0xDC00; i <= 0xDCFF; ++i) {
term.buffer.x = term.cols - 1;
term.wraparoundMode = false;
const width = wcwidthV6((0xD800 - 0xD800) * 0x400 + i - 0xDC00 + 0x10000);
const width = wcwidth((0xD800 - 0xD800) * 0x400 + i - 0xDC00 + 0x10000);
if (width !== 1) {
continue;
}
+15 -2
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@@ -46,7 +46,7 @@ import { DEFAULT_ATTR_DATA } from 'common/buffer/BufferLine';
import { handleWindowsModeLineFeed } from 'common/WindowsMode';
import { ColorManager } from 'browser/ColorManager';
import { RenderService } from 'browser/services/RenderService';
import { IOptionsService, IBufferService, ICoreMouseService, ICoreService, ILogService, IDirtyRowService, IInstantiationService } from 'common/services/Services';
import { IOptionsService, IBufferService, ICoreMouseService, ICoreService, ILogService, IDirtyRowService, IInstantiationService, IUnicodeService } from 'common/services/Services';
import { OptionsService } from 'common/services/OptionsService';
import { ICharSizeService, IRenderService, IMouseService, ISelectionService, ISoundService, ICoreBrowserService } from 'browser/services/Services';
import { CharSizeService } from 'browser/services/CharSizeService';
@@ -64,6 +64,7 @@ import { InstantiationService } from 'common/services/InstantiationService';
import { CoreMouseService } from 'common/services/CoreMouseService';
import { WriteBuffer } from 'common/input/WriteBuffer';
import { CoreBrowserService } from 'browser/services/CoreBrowserService';
import { UnicodeService } from 'common/services/UnicodeService';
// Let it work inside Node.js for automated testing purposes.
const document = (typeof window !== 'undefined') ? window.document : null;
@@ -101,6 +102,7 @@ export class Terminal extends Disposable implements ITerminal, IDisposable, IInp
private _instantiationService: IInstantiationService;
private _logService: ILogService;
public optionsService: IOptionsService;
private _unicodeService: IUnicodeService;
// browser services
private _charSizeService: ICharSizeService;
@@ -228,6 +230,8 @@ export class Terminal extends Disposable implements ITerminal, IDisposable, IInp
this._instantiationService.setService(ICoreMouseService, this._coreMouseService);
this._dirtyRowService = this._instantiationService.createInstance(DirtyRowService);
this._instantiationService.setService(IDirtyRowService, this._dirtyRowService);
this._unicodeService = this._instantiationService.createInstance(UnicodeService);
this._instantiationService.setService(IUnicodeService, this._unicodeService);
this._setupOptionsListeners();
this._setup();
@@ -276,7 +280,16 @@ export class Terminal extends Disposable implements ITerminal, IDisposable, IInp
this._userScrolling = false;
// Register input handler and refire/handle events
this._inputHandler = new InputHandler(this, this._bufferService, this._coreService, this._dirtyRowService, this._logService, this.optionsService, this._coreMouseService);
this._inputHandler = new InputHandler(
this,
this._bufferService,
this._coreService,
this._dirtyRowService,
this._logService,
this.optionsService,
this._coreMouseService,
this._unicodeService
);
this._inputHandler.onCursorMove(() => this._onCursorMove.fire());
this._inputHandler.onLineFeed(() => this._onLineFeed.fire());
this.register(this._inputHandler);
+2 -2
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@@ -5,7 +5,7 @@
import { ILinkifierEvent, ILinkMatcher, LinkMatcherHandler, ILinkMatcherOptions, ILinkifier, IMouseZoneManager, IMouseZone, IRegisteredLinkMatcher } from 'browser/Types';
import { IBufferStringIteratorResult } from 'common/buffer/Types';
import { getStringCellWidthV6, getStringCellWidthV11 } from 'common/CharWidth';
import { getStringCellWidthV6 } from 'common/CharWidth';
import { EventEmitter, IEvent } from 'common/EventEmitter';
import { ILogService, IBufferService, IOptionsService } from 'common/services/Services';
@@ -278,7 +278,7 @@ export class Linkifier implements ILinkifier {
if (!this._mouseZoneManager || !this._element) {
return;
}
const width = this._optionsService.options.unicodeVersion === '11' ? getStringCellWidthV11(uri) : getStringCellWidthV6(uri);
const width = getStringCellWidthV6(uri); // FIXME: get cell length from buffer to avoid mismatch after version change
const x1 = x % this._bufferService.cols;
const y1 = y + Math.floor(x / this._bufferService.cols);
let x2 = (x1 + width) % this._bufferService.cols;
+17 -1
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@@ -3,13 +3,14 @@
* @license MIT
*/
import { IBufferService, ICoreService, ILogService, IOptionsService, ITerminalOptions, IPartialTerminalOptions, IDirtyRowService, ICoreMouseService } from 'common/services/Services';
import { IBufferService, ICoreService, ILogService, IOptionsService, ITerminalOptions, IPartialTerminalOptions, IDirtyRowService, ICoreMouseService, IUnicodeService, IUnicodeVersionProvider } from 'common/services/Services';
import { IEvent, EventEmitter } from 'common/EventEmitter';
import { clone } from 'common/Clone';
import { DEFAULT_OPTIONS } from 'common/services/OptionsService';
import { IBufferSet, IBuffer } from 'common/buffer/Types';
import { BufferSet } from 'common/buffer/BufferSet';
import { IDecPrivateModes, ICoreMouseEvent, CoreMouseEventType } from 'common/Types';
import { UnicodeV6 } from 'common/input/UnicodeV6';
export class MockBufferService implements IBufferService {
serviceBrand: any;
@@ -90,3 +91,18 @@ export class MockOptionsService implements IOptionsService {
throw new Error('Method not implemented.');
}
}
// defaults to V6 always to keep tests passing
export class MockUnicodeService implements IUnicodeService {
private _provider = new UnicodeV6();
register(provider: IUnicodeVersionProvider): void {
throw new Error('Method not implemented.');
}
versions: string[] = [];
activeVersion: string = '';
onChange: IEvent<string> = new EventEmitter<string>().event;
wcwidth = (codepoint: number) => this._provider.wcwidth(codepoint);
getStringCellWidth(s: string): number {
throw new Error('Method not implemented.');
}
}
+216
View File
@@ -0,0 +1,216 @@
/**
* Copyright (c) 2019 The xterm.js authors. All rights reserved.
* @license MIT
*/
import { IUnicodeVersionProvider } from 'common/services/Services';
import { fill } from 'common/TypedArrayUtils';
export class UnicodeV11 implements IUnicodeVersionProvider {
static bmpCombining = [
[0x0300, 0x036F], [0x0483, 0x0489], [0x0591, 0x05BD],
[0x05BF, 0x05BF], [0x05C1, 0x05C2], [0x05C4, 0x05C5],
[0x05C7, 0x05C7], [0x0600, 0x0605], [0x0610, 0x061A],
[0x061C, 0x061C], [0x064B, 0x065F], [0x0670, 0x0670],
[0x06D6, 0x06DD], [0x06DF, 0x06E4], [0x06E7, 0x06E8],
[0x06EA, 0x06ED], [0x070F, 0x070F], [0x0711, 0x0711],
[0x0730, 0x074A], [0x07A6, 0x07B0], [0x07EB, 0x07F3],
[0x07FD, 0x07FD], [0x0816, 0x0819], [0x081B, 0x0823],
[0x0825, 0x0827], [0x0829, 0x082D], [0x0859, 0x085B],
[0x08D3, 0x0902], [0x093A, 0x093A], [0x093C, 0x093C],
[0x0941, 0x0948], [0x094D, 0x094D], [0x0951, 0x0957],
[0x0962, 0x0963], [0x0981, 0x0981], [0x09BC, 0x09BC],
[0x09C1, 0x09C4], [0x09CD, 0x09CD], [0x09E2, 0x09E3],
[0x09FE, 0x09FE], [0x0A01, 0x0A02], [0x0A3C, 0x0A3C],
[0x0A41, 0x0A42], [0x0A47, 0x0A48], [0x0A4B, 0x0A4D],
[0x0A51, 0x0A51], [0x0A70, 0x0A71], [0x0A75, 0x0A75],
[0x0A81, 0x0A82], [0x0ABC, 0x0ABC], [0x0AC1, 0x0AC5],
[0x0AC7, 0x0AC8], [0x0ACD, 0x0ACD], [0x0AE2, 0x0AE3],
[0x0AFA, 0x0AFF], [0x0B01, 0x0B01], [0x0B3C, 0x0B3C],
[0x0B3F, 0x0B3F], [0x0B41, 0x0B44], [0x0B4D, 0x0B4D],
[0x0B56, 0x0B56], [0x0B62, 0x0B63], [0x0B82, 0x0B82],
[0x0BC0, 0x0BC0], [0x0BCD, 0x0BCD], [0x0C00, 0x0C00],
[0x0C04, 0x0C04], [0x0C3E, 0x0C40], [0x0C46, 0x0C48],
[0x0C4A, 0x0C4D], [0x0C55, 0x0C56], [0x0C62, 0x0C63],
[0x0C81, 0x0C81], [0x0CBC, 0x0CBC], [0x0CBF, 0x0CBF],
[0x0CC6, 0x0CC6], [0x0CCC, 0x0CCD], [0x0CE2, 0x0CE3],
[0x0D00, 0x0D01], [0x0D3B, 0x0D3C], [0x0D41, 0x0D44],
[0x0D4D, 0x0D4D], [0x0D62, 0x0D63], [0x0DCA, 0x0DCA],
[0x0DD2, 0x0DD4], [0x0DD6, 0x0DD6], [0x0E31, 0x0E31],
[0x0E34, 0x0E3A], [0x0E47, 0x0E4E], [0x0EB1, 0x0EB1],
[0x0EB4, 0x0EBC], [0x0EC8, 0x0ECD], [0x0F18, 0x0F19],
[0x0F35, 0x0F35], [0x0F37, 0x0F37], [0x0F39, 0x0F39],
[0x0F71, 0x0F7E], [0x0F80, 0x0F84], [0x0F86, 0x0F87],
[0x0F8D, 0x0F97], [0x0F99, 0x0FBC], [0x0FC6, 0x0FC6],
[0x102D, 0x1030], [0x1032, 0x1037], [0x1039, 0x103A],
[0x103D, 0x103E], [0x1058, 0x1059], [0x105E, 0x1060],
[0x1071, 0x1074], [0x1082, 0x1082], [0x1085, 0x1086],
[0x108D, 0x108D], [0x109D, 0x109D], [0x1160, 0x11FF],
[0x135D, 0x135F], [0x1712, 0x1714], [0x1732, 0x1734],
[0x1752, 0x1753], [0x1772, 0x1773], [0x17B4, 0x17B5],
[0x17B7, 0x17BD], [0x17C6, 0x17C6], [0x17C9, 0x17D3],
[0x17DD, 0x17DD], [0x180B, 0x180E], [0x1885, 0x1886],
[0x18A9, 0x18A9], [0x1920, 0x1922], [0x1927, 0x1928],
[0x1932, 0x1932], [0x1939, 0x193B], [0x1A17, 0x1A18],
[0x1A1B, 0x1A1B], [0x1A56, 0x1A56], [0x1A58, 0x1A5E],
[0x1A60, 0x1A60], [0x1A62, 0x1A62], [0x1A65, 0x1A6C],
[0x1A73, 0x1A7C], [0x1A7F, 0x1A7F], [0x1AB0, 0x1ABE],
[0x1B00, 0x1B03], [0x1B34, 0x1B34], [0x1B36, 0x1B3A],
[0x1B3C, 0x1B3C], [0x1B42, 0x1B42], [0x1B6B, 0x1B73],
[0x1B80, 0x1B81], [0x1BA2, 0x1BA5], [0x1BA8, 0x1BA9],
[0x1BAB, 0x1BAD], [0x1BE6, 0x1BE6], [0x1BE8, 0x1BE9],
[0x1BED, 0x1BED], [0x1BEF, 0x1BF1], [0x1C2C, 0x1C33],
[0x1C36, 0x1C37], [0x1CD0, 0x1CD2], [0x1CD4, 0x1CE0],
[0x1CE2, 0x1CE8], [0x1CED, 0x1CED], [0x1CF4, 0x1CF4],
[0x1CF8, 0x1CF9], [0x1DC0, 0x1DF9], [0x1DFB, 0x1DFF],
[0x200B, 0x200F], [0x202A, 0x202E], [0x2060, 0x2064],
[0x2066, 0x206F], [0x20D0, 0x20F0], [0x2CEF, 0x2CF1],
[0x2D7F, 0x2D7F], [0x2DE0, 0x2DFF], [0x302A, 0x302D],
[0x3099, 0x309A], [0xA66F, 0xA672], [0xA674, 0xA67D],
[0xA69E, 0xA69F], [0xA6F0, 0xA6F1], [0xA802, 0xA802],
[0xA806, 0xA806], [0xA80B, 0xA80B], [0xA825, 0xA826],
[0xA8C4, 0xA8C5], [0xA8E0, 0xA8F1], [0xA8FF, 0xA8FF],
[0xA926, 0xA92D], [0xA947, 0xA951], [0xA980, 0xA982],
[0xA9B3, 0xA9B3], [0xA9B6, 0xA9B9], [0xA9BC, 0xA9BD],
[0xA9E5, 0xA9E5], [0xAA29, 0xAA2E], [0xAA31, 0xAA32],
[0xAA35, 0xAA36], [0xAA43, 0xAA43], [0xAA4C, 0xAA4C],
[0xAA7C, 0xAA7C], [0xAAB0, 0xAAB0], [0xAAB2, 0xAAB4],
[0xAAB7, 0xAAB8], [0xAABE, 0xAABF], [0xAAC1, 0xAAC1],
[0xAAEC, 0xAAED], [0xAAF6, 0xAAF6], [0xABE5, 0xABE5],
[0xABE8, 0xABE8], [0xABED, 0xABED], [0xFB1E, 0xFB1E],
[0xFE00, 0xFE0F], [0xFE20, 0xFE2F], [0xFEFF, 0xFEFF],
[0xFFF9, 0xFFFB]
];
static highCombining = [
[0x101FD, 0x101FD], [0x102E0, 0x102E0],
[0x10376, 0x1037A], [0x10A01, 0x10A03], [0x10A05, 0x10A06],
[0x10A0C, 0x10A0F], [0x10A38, 0x10A3A], [0x10A3F, 0x10A3F],
[0x10AE5, 0x10AE6], [0x10D24, 0x10D27], [0x10F46, 0x10F50],
[0x11001, 0x11001], [0x11038, 0x11046], [0x1107F, 0x11081],
[0x110B3, 0x110B6], [0x110B9, 0x110BA], [0x110BD, 0x110BD],
[0x110CD, 0x110CD], [0x11100, 0x11102], [0x11127, 0x1112B],
[0x1112D, 0x11134], [0x11173, 0x11173], [0x11180, 0x11181],
[0x111B6, 0x111BE], [0x111C9, 0x111CC], [0x1122F, 0x11231],
[0x11234, 0x11234], [0x11236, 0x11237], [0x1123E, 0x1123E],
[0x112DF, 0x112DF], [0x112E3, 0x112EA], [0x11300, 0x11301],
[0x1133B, 0x1133C], [0x11340, 0x11340], [0x11366, 0x1136C],
[0x11370, 0x11374], [0x11438, 0x1143F], [0x11442, 0x11444],
[0x11446, 0x11446], [0x1145E, 0x1145E], [0x114B3, 0x114B8],
[0x114BA, 0x114BA], [0x114BF, 0x114C0], [0x114C2, 0x114C3],
[0x115B2, 0x115B5], [0x115BC, 0x115BD], [0x115BF, 0x115C0],
[0x115DC, 0x115DD], [0x11633, 0x1163A], [0x1163D, 0x1163D],
[0x1163F, 0x11640], [0x116AB, 0x116AB], [0x116AD, 0x116AD],
[0x116B0, 0x116B5], [0x116B7, 0x116B7], [0x1171D, 0x1171F],
[0x11722, 0x11725], [0x11727, 0x1172B], [0x1182F, 0x11837],
[0x11839, 0x1183A], [0x119D4, 0x119D7], [0x119DA, 0x119DB],
[0x119E0, 0x119E0], [0x11A01, 0x11A0A], [0x11A33, 0x11A38],
[0x11A3B, 0x11A3E], [0x11A47, 0x11A47], [0x11A51, 0x11A56],
[0x11A59, 0x11A5B], [0x11A8A, 0x11A96], [0x11A98, 0x11A99],
[0x11C30, 0x11C36], [0x11C38, 0x11C3D], [0x11C3F, 0x11C3F],
[0x11C92, 0x11CA7], [0x11CAA, 0x11CB0], [0x11CB2, 0x11CB3],
[0x11CB5, 0x11CB6], [0x11D31, 0x11D36], [0x11D3A, 0x11D3A],
[0x11D3C, 0x11D3D], [0x11D3F, 0x11D45], [0x11D47, 0x11D47],
[0x11D90, 0x11D91], [0x11D95, 0x11D95], [0x11D97, 0x11D97],
[0x11EF3, 0x11EF4], [0x13430, 0x13438], [0x16AF0, 0x16AF4],
[0x16B30, 0x16B36], [0x16F4F, 0x16F4F], [0x16F8F, 0x16F92],
[0x1BC9D, 0x1BC9E], [0x1BCA0, 0x1BCA3], [0x1D167, 0x1D169],
[0x1D173, 0x1D182], [0x1D185, 0x1D18B], [0x1D1AA, 0x1D1AD],
[0x1D242, 0x1D244], [0x1DA00, 0x1DA36], [0x1DA3B, 0x1DA6C],
[0x1DA75, 0x1DA75], [0x1DA84, 0x1DA84], [0x1DA9B, 0x1DA9F],
[0x1DAA1, 0x1DAAF], [0x1E000, 0x1E006], [0x1E008, 0x1E018],
[0x1E01B, 0x1E021], [0x1E023, 0x1E024], [0x1E026, 0x1E02A],
[0x1E130, 0x1E136], [0x1E2EC, 0x1E2EF], [0x1E8D0, 0x1E8D6],
[0x1E944, 0x1E94A], [0xE0001, 0xE0001], [0xE0020, 0xE007F],
[0xE0100, 0xE01EF]
];
static bmpWide = [
[0x1100, 0x115F], [0x231A, 0x231B], [0x2329, 0x232A],
[0x23E9, 0x23EC], [0x23F0, 0x23F0], [0x23F3, 0x23F3],
[0x25FD, 0x25FE], [0x2614, 0x2615], [0x2648, 0x2653],
[0x267F, 0x267F], [0x2693, 0x2693], [0x26A1, 0x26A1],
[0x26AA, 0x26AB], [0x26BD, 0x26BE], [0x26C4, 0x26C5],
[0x26CE, 0x26CE], [0x26D4, 0x26D4], [0x26EA, 0x26EA],
[0x26F2, 0x26F3], [0x26F5, 0x26F5], [0x26FA, 0x26FA],
[0x26FD, 0x26FD], [0x2705, 0x2705], [0x270A, 0x270B],
[0x2728, 0x2728], [0x274C, 0x274C], [0x274E, 0x274E],
[0x2753, 0x2755], [0x2757, 0x2757], [0x2795, 0x2797],
[0x27B0, 0x27B0], [0x27BF, 0x27BF], [0x2B1B, 0x2B1C],
[0x2B50, 0x2B50], [0x2B55, 0x2B55], [0x2E80, 0x2E99],
[0x2E9B, 0x2EF3], [0x2F00, 0x2FD5], [0x2FF0, 0x2FFB],
[0x3000, 0x3029], [0x302E, 0x303E], [0x3041, 0x3096],
[0x309B, 0x30FF], [0x3105, 0x312F], [0x3131, 0x318E],
[0x3190, 0x31BA], [0x31C0, 0x31E3], [0x31F0, 0x321E],
[0x3220, 0x3247], [0x3250, 0x4DBF], [0x4E00, 0xA48C],
[0xA490, 0xA4C6], [0xA960, 0xA97C], [0xAC00, 0xD7A3],
[0xF900, 0xFAFF], [0xFE10, 0xFE19], [0xFE30, 0xFE52],
[0xFE54, 0xFE66], [0xFE68, 0xFE6B], [0xFF01, 0xFF60],
[0xFFE0, 0xFFE6]
];
static highWide = [
[0x16FE0, 0x16FE3], [0x17000, 0x187F7],
[0x18800, 0x18AF2], [0x1B000, 0x1B11E], [0x1B150, 0x1B152],
[0x1B164, 0x1B167], [0x1B170, 0x1B2FB], [0x1F004, 0x1F004],
[0x1F0CF, 0x1F0CF], [0x1F18E, 0x1F18E], [0x1F191, 0x1F19A],
[0x1F200, 0x1F202], [0x1F210, 0x1F23B], [0x1F240, 0x1F248],
[0x1F250, 0x1F251], [0x1F260, 0x1F265], [0x1F300, 0x1F320],
[0x1F32D, 0x1F335], [0x1F337, 0x1F37C], [0x1F37E, 0x1F393],
[0x1F3A0, 0x1F3CA], [0x1F3CF, 0x1F3D3], [0x1F3E0, 0x1F3F0],
[0x1F3F4, 0x1F3F4], [0x1F3F8, 0x1F43E], [0x1F440, 0x1F440],
[0x1F442, 0x1F4FC], [0x1F4FF, 0x1F53D], [0x1F54B, 0x1F54E],
[0x1F550, 0x1F567], [0x1F57A, 0x1F57A], [0x1F595, 0x1F596],
[0x1F5A4, 0x1F5A4], [0x1F5FB, 0x1F64F], [0x1F680, 0x1F6C5],
[0x1F6CC, 0x1F6CC], [0x1F6D0, 0x1F6D2], [0x1F6D5, 0x1F6D5],
[0x1F6EB, 0x1F6EC], [0x1F6F4, 0x1F6FA], [0x1F7E0, 0x1F7EB],
[0x1F90D, 0x1F971], [0x1F973, 0x1F976], [0x1F97A, 0x1F9A2],
[0x1F9A5, 0x1F9AA], [0x1F9AE, 0x1F9CA], [0x1F9CD, 0x1F9FF],
[0x1FA70, 0x1FA73], [0x1FA78, 0x1FA7A], [0x1FA80, 0x1FA82],
[0x1FA90, 0x1FA95], [0x20000, 0x2FFFD], [0x30000, 0x3FFFD]
];
static bmpTable: Uint8Array;
static bisearch(ucs: number, data: number[][]): boolean {
let min = 0;
let max = data.length - 1;
let mid;
if (ucs < data[0][0] || ucs > data[max][1]) {
return false;
}
while (max >= min) {
mid = (min + max) >> 1;
if (ucs > data[mid][1]) {
min = mid + 1;
} else if (ucs < data[mid][0]) {
max = mid - 1;
} else {
return true;
}
}
return false;
}
public version = '11';
constructor() {
if (!UnicodeV11.bmpTable) {
UnicodeV11.bmpTable = new Uint8Array(65536);
fill(UnicodeV11.bmpTable, 1);
UnicodeV11.bmpTable[0] = 0;
fill(UnicodeV11.bmpTable, 0, 1, 32);
fill(UnicodeV11.bmpTable, 0, 0x7f, 0xa0);
for (let r = 0; r < UnicodeV11.bmpCombining.length; ++r) {
fill(UnicodeV11.bmpTable, 0, UnicodeV11.bmpCombining[r][0], UnicodeV11.bmpCombining[r][1] + 1);
}
for (let r = 0; r < UnicodeV11.bmpWide.length; ++r) {
fill(UnicodeV11.bmpTable, 2, UnicodeV11.bmpWide[r][0], UnicodeV11.bmpWide[r][1] + 1);
}
}
}
public wcwidth(num: number): number {
if (num < 32) return 0;
if (num < 127) return 1;
if (num < 65536) return UnicodeV11.bmpTable[num];
if (UnicodeV11.bisearch(num, UnicodeV11.highCombining)) return 0;
if (UnicodeV11.bisearch(num, UnicodeV11.highWide)) return 2;
return 1;
}
}
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/**
* Copyright (c) 2019 The xterm.js authors. All rights reserved.
* @license MIT
*/
import { assert } from 'chai';
import { UnicodeV6 } from 'common/input/UnicodeV6';
it('wcwidth should match all values from the old implementation', function(): void {
// new implementation
const wcwidthNew = (new UnicodeV6()).wcwidth;
// old implementation
const wcwidthOld = (function(opts: {nul: number, control: number}): (ucs: number) => number {
// extracted from https://www.cl.cam.ac.uk/%7Emgk25/ucs/wcwidth.c
// combining characters
const COMBINING_BMP = [
[0x0300, 0x036F], [0x0483, 0x0486], [0x0488, 0x0489],
[0x0591, 0x05BD], [0x05BF, 0x05BF], [0x05C1, 0x05C2],
[0x05C4, 0x05C5], [0x05C7, 0x05C7], [0x0600, 0x0603],
[0x0610, 0x0615], [0x064B, 0x065E], [0x0670, 0x0670],
[0x06D6, 0x06E4], [0x06E7, 0x06E8], [0x06EA, 0x06ED],
[0x070F, 0x070F], [0x0711, 0x0711], [0x0730, 0x074A],
[0x07A6, 0x07B0], [0x07EB, 0x07F3], [0x0901, 0x0902],
[0x093C, 0x093C], [0x0941, 0x0948], [0x094D, 0x094D],
[0x0951, 0x0954], [0x0962, 0x0963], [0x0981, 0x0981],
[0x09BC, 0x09BC], [0x09C1, 0x09C4], [0x09CD, 0x09CD],
[0x09E2, 0x09E3], [0x0A01, 0x0A02], [0x0A3C, 0x0A3C],
[0x0A41, 0x0A42], [0x0A47, 0x0A48], [0x0A4B, 0x0A4D],
[0x0A70, 0x0A71], [0x0A81, 0x0A82], [0x0ABC, 0x0ABC],
[0x0AC1, 0x0AC5], [0x0AC7, 0x0AC8], [0x0ACD, 0x0ACD],
[0x0AE2, 0x0AE3], [0x0B01, 0x0B01], [0x0B3C, 0x0B3C],
[0x0B3F, 0x0B3F], [0x0B41, 0x0B43], [0x0B4D, 0x0B4D],
[0x0B56, 0x0B56], [0x0B82, 0x0B82], [0x0BC0, 0x0BC0],
[0x0BCD, 0x0BCD], [0x0C3E, 0x0C40], [0x0C46, 0x0C48],
[0x0C4A, 0x0C4D], [0x0C55, 0x0C56], [0x0CBC, 0x0CBC],
[0x0CBF, 0x0CBF], [0x0CC6, 0x0CC6], [0x0CCC, 0x0CCD],
[0x0CE2, 0x0CE3], [0x0D41, 0x0D43], [0x0D4D, 0x0D4D],
[0x0DCA, 0x0DCA], [0x0DD2, 0x0DD4], [0x0DD6, 0x0DD6],
[0x0E31, 0x0E31], [0x0E34, 0x0E3A], [0x0E47, 0x0E4E],
[0x0EB1, 0x0EB1], [0x0EB4, 0x0EB9], [0x0EBB, 0x0EBC],
[0x0EC8, 0x0ECD], [0x0F18, 0x0F19], [0x0F35, 0x0F35],
[0x0F37, 0x0F37], [0x0F39, 0x0F39], [0x0F71, 0x0F7E],
[0x0F80, 0x0F84], [0x0F86, 0x0F87], [0x0F90, 0x0F97],
[0x0F99, 0x0FBC], [0x0FC6, 0x0FC6], [0x102D, 0x1030],
[0x1032, 0x1032], [0x1036, 0x1037], [0x1039, 0x1039],
[0x1058, 0x1059], [0x1160, 0x11FF], [0x135F, 0x135F],
[0x1712, 0x1714], [0x1732, 0x1734], [0x1752, 0x1753],
[0x1772, 0x1773], [0x17B4, 0x17B5], [0x17B7, 0x17BD],
[0x17C6, 0x17C6], [0x17C9, 0x17D3], [0x17DD, 0x17DD],
[0x180B, 0x180D], [0x18A9, 0x18A9], [0x1920, 0x1922],
[0x1927, 0x1928], [0x1932, 0x1932], [0x1939, 0x193B],
[0x1A17, 0x1A18], [0x1B00, 0x1B03], [0x1B34, 0x1B34],
[0x1B36, 0x1B3A], [0x1B3C, 0x1B3C], [0x1B42, 0x1B42],
[0x1B6B, 0x1B73], [0x1DC0, 0x1DCA], [0x1DFE, 0x1DFF],
[0x200B, 0x200F], [0x202A, 0x202E], [0x2060, 0x2063],
[0x206A, 0x206F], [0x20D0, 0x20EF], [0x302A, 0x302F],
[0x3099, 0x309A], [0xA806, 0xA806], [0xA80B, 0xA80B],
[0xA825, 0xA826], [0xFB1E, 0xFB1E], [0xFE00, 0xFE0F],
[0xFE20, 0xFE23], [0xFEFF, 0xFEFF], [0xFFF9, 0xFFFB]
];
const COMBINING_HIGH = [
[0x10A01, 0x10A03], [0x10A05, 0x10A06], [0x10A0C, 0x10A0F],
[0x10A38, 0x10A3A], [0x10A3F, 0x10A3F], [0x1D167, 0x1D169],
[0x1D173, 0x1D182], [0x1D185, 0x1D18B], [0x1D1AA, 0x1D1AD],
[0x1D242, 0x1D244], [0xE0001, 0xE0001], [0xE0020, 0xE007F],
[0xE0100, 0xE01EF]
];
// binary search
function bisearch(ucs: number, data: number[][]): boolean {
let min = 0;
let max = data.length - 1;
let mid;
if (ucs < data[0][0] || ucs > data[max][1]) {
return false;
}
while (max >= min) {
mid = (min + max) >> 1;
if (ucs > data[mid][1]) {
min = mid + 1;
} else if (ucs < data[mid][0]) {
max = mid - 1;
} else {
return true;
}
}
return false;
}
function wcwidthBMP(ucs: number): number {
// test for 8-bit control characters
if (ucs === 0) {
return opts.nul;
}
if (ucs < 32 || (ucs >= 0x7f && ucs < 0xa0)) {
return opts.control;
}
// binary search in table of non-spacing characters
if (bisearch(ucs, COMBINING_BMP)) {
return 0;
}
// if we arrive here, ucs is not a combining or C0/C1 control character
if (isWideBMP(ucs)) {
return 2;
}
return 1;
}
function isWideBMP(ucs: number): boolean {
return (
ucs >= 0x1100 && (
ucs <= 0x115f || // Hangul Jamo init. consonants
ucs === 0x2329 ||
ucs === 0x232a ||
(ucs >= 0x2e80 && ucs <= 0xa4cf && ucs !== 0x303f) || // CJK..Yi
(ucs >= 0xac00 && ucs <= 0xd7a3) || // Hangul Syllables
(ucs >= 0xf900 && ucs <= 0xfaff) || // CJK Compat Ideographs
(ucs >= 0xfe10 && ucs <= 0xfe19) || // Vertical forms
(ucs >= 0xfe30 && ucs <= 0xfe6f) || // CJK Compat Forms
(ucs >= 0xff00 && ucs <= 0xff60) || // Fullwidth Forms
(ucs >= 0xffe0 && ucs <= 0xffe6)));
}
function wcwidthHigh(ucs: number): 0 | 1 | 2 {
if (bisearch(ucs, COMBINING_HIGH)) {
return 0;
}
if ((ucs >= 0x20000 && ucs <= 0x2fffd) || (ucs >= 0x30000 && ucs <= 0x3fffd)) {
return 2;
}
return 1;
}
const control = opts.control | 0;
let table: number[] | Uint32Array | undefined;
function initTable(): number[] | Uint32Array {
// lookup table for BMP
const CODEPOINTS = 65536; // BMP holds 65536 codepoints
const BITWIDTH = 2; // a codepoint can have a width of 0, 1 or 2
const ITEMSIZE = 32; // using uint32_t
const CONTAINERSIZE = CODEPOINTS * BITWIDTH / ITEMSIZE;
const CODEPOINTS_PER_ITEM = ITEMSIZE / BITWIDTH;
table = (typeof Uint32Array === 'undefined')
? new Array(CONTAINERSIZE)
: new Uint32Array(CONTAINERSIZE);
for (let i = 0; i < CONTAINERSIZE; ++i) {
let num = 0;
let pos = CODEPOINTS_PER_ITEM;
while (pos--) {
num = (num << 2) | wcwidthBMP(CODEPOINTS_PER_ITEM * i + pos);
}
table[i] = num;
}
return table;
}
// get width from lookup table
// position in container : num / CODEPOINTS_PER_ITEM
// ==> n = table[Math.floor(num / 16)]
// ==> n = table[num >> 4]
// 16 codepoints per number: FFEEDDCCBBAA99887766554433221100
// position in number : (num % CODEPOINTS_PER_ITEM) * BITWIDTH
// ==> m = (n % 16) * 2
// ==> m = (num & 15) << 1
// right shift to position m
// ==> n = n >> m e.g. m=12 000000000000FFEEDDCCBBAA99887766
// we are only interested in 2 LSBs, cut off higher bits
// ==> n = n & 3 e.g. 000000000000000000000000000000XX
return function (num: number): number {
num = num | 0; // get asm.js like optimization under V8
if (num < 32) {
return control | 0;
}
if (num < 127) {
return 1;
}
const t = table || initTable();
if (num < 65536) {
return t[num >> 4] >> ((num & 15) << 1) & 3;
}
// do a full search for high codepoints
return wcwidthHigh(num);
};
})({nul: 0, control: 0}); // configurable options
// test full BMP range old vs new implmenetation
for (let i = 0; i < 65536; ++i) {
assert.equal(wcwidthNew(i), wcwidthOld(i), `mismatch for i: ${i}`);
}
});
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/**
* Copyright (c) 2019 The xterm.js authors. All rights reserved.
* @license MIT
*/
import { IUnicodeVersionProvider } from 'common/services/Services';
import { fill } from 'common/TypedArrayUtils';
export class UnicodeV6 implements IUnicodeVersionProvider {
static bmpCombining = [
[0x0300, 0x036F], [0x0483, 0x0486], [0x0488, 0x0489],
[0x0591, 0x05BD], [0x05BF, 0x05BF], [0x05C1, 0x05C2],
[0x05C4, 0x05C5], [0x05C7, 0x05C7], [0x0600, 0x0603],
[0x0610, 0x0615], [0x064B, 0x065E], [0x0670, 0x0670],
[0x06D6, 0x06E4], [0x06E7, 0x06E8], [0x06EA, 0x06ED],
[0x070F, 0x070F], [0x0711, 0x0711], [0x0730, 0x074A],
[0x07A6, 0x07B0], [0x07EB, 0x07F3], [0x0901, 0x0902],
[0x093C, 0x093C], [0x0941, 0x0948], [0x094D, 0x094D],
[0x0951, 0x0954], [0x0962, 0x0963], [0x0981, 0x0981],
[0x09BC, 0x09BC], [0x09C1, 0x09C4], [0x09CD, 0x09CD],
[0x09E2, 0x09E3], [0x0A01, 0x0A02], [0x0A3C, 0x0A3C],
[0x0A41, 0x0A42], [0x0A47, 0x0A48], [0x0A4B, 0x0A4D],
[0x0A70, 0x0A71], [0x0A81, 0x0A82], [0x0ABC, 0x0ABC],
[0x0AC1, 0x0AC5], [0x0AC7, 0x0AC8], [0x0ACD, 0x0ACD],
[0x0AE2, 0x0AE3], [0x0B01, 0x0B01], [0x0B3C, 0x0B3C],
[0x0B3F, 0x0B3F], [0x0B41, 0x0B43], [0x0B4D, 0x0B4D],
[0x0B56, 0x0B56], [0x0B82, 0x0B82], [0x0BC0, 0x0BC0],
[0x0BCD, 0x0BCD], [0x0C3E, 0x0C40], [0x0C46, 0x0C48],
[0x0C4A, 0x0C4D], [0x0C55, 0x0C56], [0x0CBC, 0x0CBC],
[0x0CBF, 0x0CBF], [0x0CC6, 0x0CC6], [0x0CCC, 0x0CCD],
[0x0CE2, 0x0CE3], [0x0D41, 0x0D43], [0x0D4D, 0x0D4D],
[0x0DCA, 0x0DCA], [0x0DD2, 0x0DD4], [0x0DD6, 0x0DD6],
[0x0E31, 0x0E31], [0x0E34, 0x0E3A], [0x0E47, 0x0E4E],
[0x0EB1, 0x0EB1], [0x0EB4, 0x0EB9], [0x0EBB, 0x0EBC],
[0x0EC8, 0x0ECD], [0x0F18, 0x0F19], [0x0F35, 0x0F35],
[0x0F37, 0x0F37], [0x0F39, 0x0F39], [0x0F71, 0x0F7E],
[0x0F80, 0x0F84], [0x0F86, 0x0F87], [0x0F90, 0x0F97],
[0x0F99, 0x0FBC], [0x0FC6, 0x0FC6], [0x102D, 0x1030],
[0x1032, 0x1032], [0x1036, 0x1037], [0x1039, 0x1039],
[0x1058, 0x1059], [0x1160, 0x11FF], [0x135F, 0x135F],
[0x1712, 0x1714], [0x1732, 0x1734], [0x1752, 0x1753],
[0x1772, 0x1773], [0x17B4, 0x17B5], [0x17B7, 0x17BD],
[0x17C6, 0x17C6], [0x17C9, 0x17D3], [0x17DD, 0x17DD],
[0x180B, 0x180D], [0x18A9, 0x18A9], [0x1920, 0x1922],
[0x1927, 0x1928], [0x1932, 0x1932], [0x1939, 0x193B],
[0x1A17, 0x1A18], [0x1B00, 0x1B03], [0x1B34, 0x1B34],
[0x1B36, 0x1B3A], [0x1B3C, 0x1B3C], [0x1B42, 0x1B42],
[0x1B6B, 0x1B73], [0x1DC0, 0x1DCA], [0x1DFE, 0x1DFF],
[0x200B, 0x200F], [0x202A, 0x202E], [0x2060, 0x2063],
[0x206A, 0x206F], [0x20D0, 0x20EF], [0x302A, 0x302F],
[0x3099, 0x309A], [0xA806, 0xA806], [0xA80B, 0xA80B],
[0xA825, 0xA826], [0xFB1E, 0xFB1E], [0xFE00, 0xFE0F],
[0xFE20, 0xFE23], [0xFEFF, 0xFEFF], [0xFFF9, 0xFFFB]
];
static highCombining = [
[0x10A01, 0x10A03], [0x10A05, 0x10A06], [0x10A0C, 0x10A0F],
[0x10A38, 0x10A3A], [0x10A3F, 0x10A3F], [0x1D167, 0x1D169],
[0x1D173, 0x1D182], [0x1D185, 0x1D18B], [0x1D1AA, 0x1D1AD],
[0x1D242, 0x1D244], [0xE0001, 0xE0001], [0xE0020, 0xE007F],
[0xE0100, 0xE01EF]
];
static bmpTable: Uint8Array;
static bisearch(ucs: number, data: number[][]): boolean {
let min = 0;
let max = data.length - 1;
let mid;
if (ucs < data[0][0] || ucs > data[max][1]) {
return false;
}
while (max >= min) {
mid = (min + max) >> 1;
if (ucs > data[mid][1]) {
min = mid + 1;
} else if (ucs < data[mid][0]) {
max = mid - 1;
} else {
return true;
}
}
return false;
}
public version = '6';
constructor() {
// init lookup table once
if (!UnicodeV6.bmpTable) {
UnicodeV6.bmpTable = new Uint8Array(65536);
fill(UnicodeV6.bmpTable, 1);
UnicodeV6.bmpTable[0] = 0;
// control chars
fill(UnicodeV6.bmpTable, 0, 1, 32);
fill(UnicodeV6.bmpTable, 0, 0x7f, 0xa0);
// apply wide char rules first
// wide chars
fill(UnicodeV6.bmpTable, 2, 0x1100, 0x1160);
UnicodeV6.bmpTable[0x2329] = 2;
UnicodeV6.bmpTable[0x232a] = 2;
fill(UnicodeV6.bmpTable, 2, 0x2e80, 0xa4d0);
UnicodeV6.bmpTable[0x303f] = 1; // wrongly in last line
fill(UnicodeV6.bmpTable, 2, 0xac00, 0xd7a4);
fill(UnicodeV6.bmpTable, 2, 0xf900, 0xfb00);
fill(UnicodeV6.bmpTable, 2, 0xfe10, 0xfe1a);
fill(UnicodeV6.bmpTable, 2, 0xfe30, 0xfe70);
fill(UnicodeV6.bmpTable, 2, 0xff00, 0xff61);
fill(UnicodeV6.bmpTable, 2, 0xffe0, 0xffe7);
// apply combining last to ensure we overwrite
// wrongly wide set chars:
// the original algo evals combining first and falls
// through to wide check so we simply do here the opposite
// combining 0
for (let r = 0; r < UnicodeV6.bmpCombining.length; ++r) {
fill(UnicodeV6.bmpTable, 0, UnicodeV6.bmpCombining[r][0], UnicodeV6.bmpCombining[r][1] + 1);
}
}
}
public wcwidth(num: number): number {
if (num < 32) return 0;
if (num < 127) return 1;
if (num < 65536) return UnicodeV6.bmpTable[num];
if (UnicodeV6.bisearch(num, UnicodeV6.highCombining)) return 0;
if ((num >= 0x20000 && num <= 0x2fffd) || (num >= 0x30000 && num <= 0x3fffd)) return 2;
return 1;
}
}
+1 -3
View File
@@ -285,15 +285,13 @@ export interface ITheme {
export const IUnicodeService = createDecorator<IUnicodeService>('UnicodeService');
export interface IUnicodeService {
/** Register an Unicode version provider. */
registerVersion(provider: IUnicodeVersionProvider): void;
register(provider: IUnicodeVersionProvider): void;
/** Registered Unicode versions. */
readonly versions: string[];
/** Currently active version. */
readonly activeVersion: string;
/** Event triggered, when activate version changed. */
readonly onChange: IEvent<string>;
/** Event triggered, when a new version provider was registered. */
readonly onRegister: IEvent<string>;
/**
* Unicode version dependent
@@ -0,0 +1,50 @@
/**
* Copyright (c) 2019 The xterm.js authors. All rights reserved.
* @license MIT
*/
import { assert } from 'chai';
import { UnicodeService } from 'common/services/UnicodeService';
import { IUnicodeVersionProvider } from 'common/services/Services';
class DummyProvider implements IUnicodeVersionProvider {
version = '123';
wcwidth(n: number): number {
return 123;
}
}
describe('unicode provider', () => {
let us: UnicodeService;
beforeEach(() => {
us = new UnicodeService();
});
it('default to V6', () => {
assert.equal(us.activeVersion, '6');
assert.deepEqual(us.versions, ['6']);
assert.doesNotThrow(() => { us.activeVersion = '6'; }, `unknown Unicode version "6"`);
assert.equal(us.getStringCellWidth('hello'), 5);
});
it('activate should throw for unknown version', () => {
assert.throws(() => { us.activeVersion = '55'; }, 'unknown Unicode version "55"');
});
it('should notify about version change', () => {
const notes: string[] = [];
us.onChange(version => notes.push(version));
const dummyProvider = new DummyProvider();
us.register(dummyProvider);
us.activeVersion = dummyProvider.version;
assert.deepEqual(notes, [dummyProvider.version]);
});
it('correctly changes provider impl', () => {
assert.equal(us.getStringCellWidth('hello'), 5);
const dummyProvider = new DummyProvider();
us.register(dummyProvider);
us.activeVersion = dummyProvider.version;
assert.equal(us.getStringCellWidth('hello'), 123 * 5);
});
it('wcwidth V6 emoji test', () => {
const widthV6 = us.getStringCellWidth('🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣');
assert.equal(widthV6, 10);
});
});
+14 -9
View File
@@ -4,16 +4,23 @@
*/
import { IUnicodeService, IUnicodeVersionProvider } from 'common/services/Services';
import { EventEmitter, IEvent } from 'common/EventEmitter';
import { UnicodeV6 } from 'common/input/UnicodeV6';
export class UnicodeService implements IUnicodeService {
private _providers: {[key: string]: IUnicodeVersionProvider} = Object.create(null);
private _active: string = '';
private _onRegister = new EventEmitter<string>();
public get onRegister(): IEvent<string> { return this._onRegister.event; }
private _activeProvider: IUnicodeVersionProvider;
private _onChange = new EventEmitter<string>();
public get onChange(): IEvent<string> { return this._onChange.event; }
constructor() {
const defaultProvider = new UnicodeV6();
this.register(defaultProvider);
this._active = defaultProvider.version;
this._activeProvider = defaultProvider;
}
public get versions(): string[] {
return Object.keys(this._providers);
}
@@ -27,22 +34,20 @@ export class UnicodeService implements IUnicodeService {
throw new Error(`unknown Unicode version "${version}"`);
}
this._active = version;
this.wcwidth = (num: number) => this._providers[version].wcwidth(num); // perf an issue here?
this._activeProvider = this._providers[version];
this._onChange.fire(version);
}
public registerVersion(provider: IUnicodeVersionProvider): void {
public register(provider: IUnicodeVersionProvider): void {
this._providers[provider.version] = provider;
this._onRegister.fire(provider.version);
if (!this.activeVersion) {
this.activeVersion = provider.version;
}
}
/**
* Unicode version dependent interface.
*/
public wcwidth: (num: number) => number = () => { throw new Error('no Unicode version registered and activated'); }
public wcwidth(num: number): number {
return this._activeProvider.wcwidth(num);
}
public getStringCellWidth(s: string): number {
let result = 0;