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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.test.ts
+51
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@@ -1199,6 +1199,57 @@ describe('EscapeSequenceParser', function (): void {
parse(parser2, INPUT);
chai.expect(esc).eql([]);
});
describe('ESC custom handlers', () => {
it('prevent fallback', () => {
parser2.setEscHandler('%G', () => esc.push('default - %G'));
parser2.addEscHandler('%G', () => { esc.push('custom - %G'); return true; });
parse(parser2, INPUT);
chai.expect(esc).eql(['custom - %G']);
});
it('allow fallback', () => {
parser2.setEscHandler('%G', () => esc.push('default - %G'));
parser2.addEscHandler('%G', () => { esc.push('custom - %G'); return false; });
parse(parser2, INPUT);
chai.expect(esc).eql(['custom - %G', 'default - %G']);
});
it('Multiple custom handlers fallback once', () => {
parser2.setEscHandler('%G', () => esc.push('default - %G'));
parser2.addEscHandler('%G', () => { esc.push('custom - %G'); return true; });
parser2.addEscHandler('%G', () => { esc.push('custom2 - %G'); return false; });
parse(parser2, INPUT);
chai.expect(esc).eql(['custom2 - %G', 'custom - %G']);
});
it('Multiple custom handlers no fallback', () => {
parser2.setEscHandler('%G', () => esc.push('default - %G'));
parser2.addEscHandler('%G', () => { esc.push('custom - %G'); return true; });
parser2.addEscHandler('%G', () => { esc.push('custom2 - %G'); return true; });
parse(parser2, INPUT);
chai.expect(esc).eql(['custom2 - %G']);
});
it('Execution order should go from latest handler down to the original', () => {
const order: number[] = [];
parser2.setEscHandler('%G', () => order.push(1));
parser2.addEscHandler('%G', () => { order.push(2); return false; });
parser2.addEscHandler('%G', () => { order.push(3); return false; });
parse(parser2, '\x1b%G');
chai.expect(order).eql([3, 2, 1]);
});
it('Dispose should work', () => {
parser2.setEscHandler('%G', () => esc.push('default - %G'));
const dispo = parser2.addEscHandler('%G', () => { esc.push('custom - %G'); return true; });
dispo.dispose();
parse(parser2, INPUT);
chai.expect(esc).eql(['default - %G']);
});
it('Should not corrupt the parser when dispose is called twice', () => {
parser2.setEscHandler('%G', () => esc.push('default - %G'));
const dispo = parser2.addEscHandler('%G', () => { esc.push('custom - %G'); return true; });
dispo.dispose();
dispo.dispose();
parse(parser2, INPUT);
chai.expect(esc).eql(['default - %G']);
});
});
it('CSI handler', function (): void {
parser2.setCsiHandler('m', function (params: IParams, collect: string): void {
csi.push(['m', params.toArray(), collect]);