Move charset into own service

src/common/services/CharsetService.ts

@@ -0,0 +1,33 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { ICharsetService } from 'common/services/Services';
+import { ICharset } from 'common/Types';
+
+export class CharsetService implements ICharsetService {
+  serviceBrand: any;
+
+  public charset: ICharset | undefined;
+  public charsets: ICharset[] = [];
+  public glevel: number = 0;
+
+  public reset(): void {
+    this.charset = undefined;
+    this.charsets = [];
+    this.glevel = 0;
+  }
+
+  public setgLevel(g: number): void {
+    this.glevel = g;
+    this.charset = this.charsets[g];
+  }
+
+  public setgCharset(g: number, charset: ICharset): void {
+    this.charsets[g] = charset;
+    if (this.glevel === g) {
+      this.charset = charset;
+    }
+  }
+}

src/common/services/CoreService.ts

@@ -5,7 +5,7 @@
 
 import { ICoreService, ILogService, IOptionsService, IBufferService } from 'common/services/Services';
 import { EventEmitter, IEvent } from 'common/EventEmitter';
-import { IDecPrivateModes, ICharset, ICharsetModes } from 'common/Types';
+import { IDecPrivateModes, ICharset } from 'common/Types';
 import { clone } from 'common/Clone';
 
 const DEFAULT_DEC_PRIVATE_MODES: IDecPrivateModes = Object.freeze({
@@ -18,11 +18,6 @@ export class CoreService implements ICoreService {
   public isCursorInitialized: boolean = false;
   public isCursorHidden: boolean = false;
   public decPrivateModes: IDecPrivateModes;
-  public charsetModes: ICharsetModes = {
-    charset: undefined,
-    charsets: [],
-    glevel: 0
-  };
 
   private _onData = new EventEmitter<string>();
   public get onData(): IEvent<string> { return this._onData.event; }
@@ -45,12 +40,6 @@ export class CoreService implements ICoreService {
     this.decPrivateModes = clone(DEFAULT_DEC_PRIVATE_MODES);
   }
 
-  public softReset(): void {
-    this.charsetModes.charset = undefined;
-    this.charsetModes.charsets = [];
-    this.charsetModes.glevel = 0;
-  }
-
   public triggerDataEvent(data: string, wasUserInput: boolean = false): void {
     // Prevents all events to pty process if stdin is disabled
     if (this._optionsService.options.disableStdin) {
@@ -80,16 +69,4 @@ export class CoreService implements ICoreService {
     this._logService.debug(`sending binary "${data}"`, () => data.split('').map(e => e.charCodeAt(0)));
     this._onBinary.fire(data);
   }
-
-  public setgLevel(g: number): void {
-    this.charsetModes.glevel = g;
-    this.charsetModes.charset = this.charsetModes.charsets[g];
-  }
-
-  public setgCharset(g: number, charset: ICharset): void {
-    this.charsetModes.charsets[g] = charset;
-    if (this.charsetModes.glevel === g) {
-      this.charsetModes.charset = charset;
-    }
-  }
 }

src/common/services/Services.ts

@@ -5,7 +5,7 @@
 
 import { IEvent } from 'common/EventEmitter';
 import { IBuffer, IBufferSet } from 'common/buffer/Types';
-import { IDecPrivateModes, ICoreMouseEvent, CoreMouseEncoding, ICoreMouseProtocol, CoreMouseEventType, ICharsetModes, ICharset } from 'common/Types';
+import { IDecPrivateModes, ICoreMouseEvent, CoreMouseEncoding, ICoreMouseProtocol, CoreMouseEventType, ICharset } from 'common/Types';
 import { createDecorator } from 'common/services/ServiceRegistry';
 
 export const IBufferService = createDecorator<IBufferService>('BufferService');
@@ -65,8 +65,6 @@ export interface ICoreService {
   isCursorInitialized: boolean;
   isCursorHidden: boolean;
 
-  charsetModes: ICharsetModes;
-
   readonly decPrivateModes: IDecPrivateModes;
 
   readonly onData: IEvent<string>;
@@ -74,7 +72,6 @@ export interface ICoreService {
   readonly onBinary: IEvent<string>;
 
   reset(): void;
-  softReset(): void;
 
   /**
    * Triggers the onData event in the public API.
@@ -91,6 +88,17 @@ export interface ICoreService {
    * @param data The data that is being emitted.
    */
    triggerBinaryEvent(data: string): void;
+}
+
+export const ICharsetService = createDecorator<ICharsetService>('CharsetService');
+export interface ICharsetService {
+  serviceBrand: any;
+
+  charset: ICharset | undefined;
+  readonly glevel: number;
+  readonly charsets: ReadonlyArray<ICharset>;
+
+  reset(): void;
 
   /**
    * Set the G level of the terminal.