mirror of https://github.com/denoland/deno.git
67 lines
1.4 KiB
TypeScript
67 lines
1.4 KiB
TypeScript
import { sendSync } from "./dispatch_json.ts";
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import { OP_OPEN_PLUGIN, setPluginAsyncHandler } from "./dispatch.ts";
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import { core } from "./core.ts";
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export interface AsyncHandler {
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(msg: Uint8Array): void;
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}
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interface PluginOp {
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dispatch(
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control: Uint8Array,
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zeroCopy?: ArrayBufferView | null
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): Uint8Array | null;
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setAsyncHandler(handler: AsyncHandler): void;
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}
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class PluginOpImpl implements PluginOp {
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constructor(private readonly opId: number) {}
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dispatch(
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control: Uint8Array,
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zeroCopy?: ArrayBufferView | null
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): Uint8Array | null {
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return core.dispatch(this.opId, control, zeroCopy);
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}
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setAsyncHandler(handler: AsyncHandler): void {
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setPluginAsyncHandler(this.opId, handler);
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}
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}
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// TODO(afinch7): add close method.
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interface Plugin {
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ops: {
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[name: string]: PluginOp;
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};
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}
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class PluginImpl implements Plugin {
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private _ops: { [name: string]: PluginOp } = {};
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constructor(private readonly rid: number, ops: { [name: string]: number }) {
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for (const op in ops) {
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this._ops[op] = new PluginOpImpl(ops[op]);
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}
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}
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get ops(): { [name: string]: PluginOp } {
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return Object.assign({}, this._ops);
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}
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}
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interface OpenPluginResponse {
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rid: number;
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ops: {
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[name: string]: number;
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};
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}
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export function openPlugin(filename: string): Plugin {
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const response: OpenPluginResponse = sendSync(OP_OPEN_PLUGIN, {
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filename
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});
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return new PluginImpl(response.rid, response.ops);
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}
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