@bufbuild/cel
Version:
A CEL evaluator for ECMAScript
70 lines (69 loc) • 2.21 kB
JavaScript
;
// Copyright 2024-2025 Buf Technologies, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
Object.defineProperty(exports, "__esModule", { value: true });
exports.Namespace = void 0;
class Namespace {
constructor(name = "") {
this._name = name;
this._aliases = new Map();
}
name() {
return this._name;
}
aliases() {
return this._aliases;
}
resolveCandidateNames(name) {
if (name.startsWith(".")) {
const qn = name.substring(1);
const alias = this.findAlias(qn);
if (alias !== undefined) {
return [alias];
}
return [qn];
}
const alias = this.findAlias(name);
if (alias !== undefined) {
return [alias];
}
if (this.name() === "") {
return [name];
}
let nextCont = this.name();
const candidates = [nextCont + "." + name];
for (let i = nextCont.lastIndexOf("."); i >= 0; i = nextCont.lastIndexOf(".")) {
nextCont = nextCont.substring(0, i);
candidates.push(nextCont + "." + name);
}
candidates.push(name);
return candidates;
}
findAlias(name) {
let simple = name;
let qualifier = "";
const dot = name.indexOf(".");
if (dot >= 0) {
simple = name.substring(0, dot);
qualifier = name.substring(dot);
}
const alias = this._aliases.get(simple);
if (alias === undefined) {
return undefined;
}
return alias + qualifier;
}
}
exports.Namespace = Namespace;
Namespace.ROOT = new Namespace();