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70 lines
2.2 KiB
70 lines
2.2 KiB
// Copyright 2021-2024 Buf Technologies, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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import { AnySchema } from "./gen/google/protobuf/any_pb.js";
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import { create } from "../create.js";
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import { toBinary } from "../to-binary.js";
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import { fromBinary, mergeFromBinary } from "../from-binary.js";
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export function anyPack(schema, message, into) {
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let ret = false;
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if (!into) {
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into = create(AnySchema);
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ret = true;
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}
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into.value = toBinary(schema, message);
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into.typeUrl = typeNameToUrl(message.$typeName);
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return ret ? into : undefined;
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}
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export function anyIs(any, descOrTypeName) {
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if (any.typeUrl === "") {
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return false;
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}
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const want = typeof descOrTypeName == "string"
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? descOrTypeName
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: descOrTypeName.typeName;
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const got = typeUrlToName(any.typeUrl);
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return want === got;
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}
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export function anyUnpack(any, registryOrMessageDesc) {
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if (any.typeUrl === "") {
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return undefined;
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}
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const desc = registryOrMessageDesc.kind == "message"
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? registryOrMessageDesc
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: registryOrMessageDesc.getMessage(typeUrlToName(any.typeUrl));
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if (!desc) {
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return undefined;
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}
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return fromBinary(desc, any.value);
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}
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/**
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* Same as anyUnpack but unpacks into the target message.
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*/
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export function anyUnpackTo(any, schema, message) {
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if (any.typeUrl === "") {
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return undefined;
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}
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return mergeFromBinary(schema, message, any.value);
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}
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function typeNameToUrl(name) {
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return `type.googleapis.com/${name}`;
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}
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function typeUrlToName(url) {
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const slash = url.lastIndexOf("/");
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const name = slash >= 0 ? url.substring(slash + 1) : url;
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if (!name.length) {
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throw new Error(`invalid type url: ${url}`);
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}
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return name;
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}
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