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add addEscHandler

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This commit is contained in:
Jörg Breitbart
2019-07-25 22:44:08 +02:00
parent 1f4dde601e
commit f985c30847
10 changed files with 143 additions and 10 deletions
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src/common/parser/EscapeSequenceParser.ts
+31 -7
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@@ -3,7 +3,7 @@
* @license MIT
*/
import { IParsingState, IDcsHandler, IEscapeSequenceParser, IParams, IOscHandler, IHandlerCollection, CsiHandler, OscFallbackHandler, IOscParser } from 'common/parser/Types';
import { IParsingState, IDcsHandler, IEscapeSequenceParser, IParams, IOscHandler, IHandlerCollection, CsiHandler, OscFallbackHandler, IOscParser, EscHandler } from 'common/parser/Types';
import { ParserState, ParserAction } from 'common/parser/Constants';
import { Disposable } from 'common/Lifecycle';
import { IDisposable } from 'common/Types';
@@ -240,7 +240,7 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP
protected _printHandler: (data: Uint32Array, start: number, end: number) => void;
protected _executeHandlers: any;
protected _csiHandlers: IHandlerCollection<CsiHandler>;
protected _escHandlers: any;
protected _escHandlers: IHandlerCollection<EscHandler>;
protected _oscParser: IOscParser;
protected _dcsHandlers: any;
protected _activeDcsHandler: IDcsHandler;
@@ -286,7 +286,7 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP
public dispose(): void {
this._executeHandlers = null;
this._escHandlers = null;
this._escHandlers = Object.create(null);
this._dcsHandlers = null;
this._activeDcsHandler = new DcsDummy();
this._oscParser.dispose();
@@ -335,8 +335,23 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP
this._csiHandlerFb = callback;
}
addEscHandler(collectAndFlag: string, callback: EscHandler): IDisposable {
if (this._escHandlers[collectAndFlag] === undefined) {
this._escHandlers[collectAndFlag] = [];
}
const handlerList = this._escHandlers[collectAndFlag];
handlerList.push(callback);
return {
dispose: () => {
const handlerIndex = handlerList.indexOf(callback);
if (handlerIndex !== -1) {
handlerList.splice(handlerIndex, 1);
}
}
};
}
setEscHandler(collectAndFlag: string, callback: () => void): void {
this._escHandlers[collectAndFlag] = callback;
this._escHandlers[collectAndFlag] = [callback];
}
clearEscHandler(collectAndFlag: string): void {
if (this._escHandlers[collectAndFlag]) delete this._escHandlers[collectAndFlag];
@@ -509,9 +524,18 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP
collect += String.fromCharCode(code);
break;
case ParserAction.ESC_DISPATCH:
callback = this._escHandlers[collect + String.fromCharCode(code)];
if (callback) callback(collect, code);
else this._escHandlerFb(collect, code);
const handlersEsc = this._escHandlers[collect + String.fromCharCode(code)];
let jj = handlersEsc ? handlersEsc.length - 1 : -1;
for (; jj >= 0; jj--) {
// undefined or true means success and to stop bubbling
if (handlersEsc[jj]() !== false) {
break;
}
}
if (jj < 0) {
this._escHandlerFb(collect, code);
}
this.precedingCodepoint = 0;
break;
case ParserAction.CLEAR: