syndicate-js/packages/core/src/transport/protocol.ts

43 lines
1.8 KiB
TypeScript

//---------------------------------------------------------------------------
// @syndicate-lang/core, an implementation of Syndicate dataspaces for JS.
// Copyright (C) 2016-2021 Tony Garnock-Jones <tonyg@leastfixedpoint.com>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
//---------------------------------------------------------------------------
import * as S from '../gen/sturdy.js';
import { Oid } from '../gen/protocol.js';
import { Ref } from '../runtime/actor.js';
import { Decoder, DecoderState, Encoder, EncoderState, GenericEmbedded, neverEmbeddedType, EmbeddedType, Value } from '@preserves/core';
export type WireSymbol = { oid: Oid, ref: Ref, count: number };
export const wireRefEmbeddedType: EmbeddedType<S.WireRef> = {
decode(s: DecoderState): S.WireRef {
return S.asWireRef(new Decoder<any>(s).next());
},
encode(s: EncoderState, v: S.WireRef): void {
new Encoder<any>(s, neverEmbeddedType).push(S.fromWireRef(v));
},
fromValue(v: Value<GenericEmbedded>): S.WireRef {
return S.asWireRef(v as Value<S._embedded>);
},
toValue(v: S.WireRef): Value<GenericEmbedded> {
return S.fromWireRef(v) as Value<GenericEmbedded>;
}
};