src/vs/platform/jsonschemas/common/jsonContributionRegistry.ts
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/*---------------------------------------------------------------------------------------------
jsonContributionRegistry.ts ×9
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import { Emitter, Event } from '../../../base/common/event.js';
import { getCompressedContent, IJSONSchema } from '../../../base/common/jsonSchema.js';
import { Disposable, DisposableStore, IDisposable, toDisposable } from '../../../base/common/lifecycle.js';
import * as platform from '../../registry/common/platform.js';
export const Extensions = {
JSONContribution: 'base.contributions.json'
};
export interface ISchemaContributions {
schemas: { [id: string]: IJSONSchema };
}
export interface IJSONContributionRegistry {
readonly onDidChangeSchema: Event<string>;
readonly onDidChangeSchemaAssociations: Event<void>;
/**
* Register a schema to the registry.
*/
registerSchema(uri: string, unresolvedSchemaContent: IJSONSchema, store?: DisposableStore): void;
registerSchemaAssociation(uri: string, glob: string): IDisposable;
/**
* Notifies all listeners that the content of the given schema has changed.
* @param uri The id of the schema
*/
notifySchemaChanged(uri: string): void;
/**
* Get all schemas
*/
getSchemaContributions(): ISchemaContributions;
getSchemaAssociations(): { [uri: string]: string[] };
/**
* Gets the (compressed) content of the schema with the given schema ID (if any)
* @param uri The id of the schema
*/
getSchemaContent(uri: string): string | undefined;
/**
* Returns true if there's a schema that matches the given schema ID
* @param uri The id of the schema
*/
hasSchemaContent(uri: string): boolean;
}
function normalizeId(id: string) {
if (id.length > 0 && id.charAt(id.length - 1) === '#') {
return id.substring(0, id.length - 1);
}
}
class JSONContributionRegistry extends Disposable implements IJSONContributionRegistry {
private readonly schemasById: { [id: string]: IJSONSchema } = {};
private readonly schemaAssociations: { [uri: string]: string[] } = {};
private readonly _onDidChangeSchema = this._register(new Emitter<string>());
readonly onDidChangeSchema: Event<string> = this._onDidChangeSchema.event;
private readonly _onDidChangeSchemaAssociations = this._register(new Emitter<void>());
readonly onDidChangeSchemaAssociations: Event<void> = this._onDidChangeSchemaAssociations.event;
public registerSchema(uri: string, unresolvedSchemaContent: IJSONSchema, store?: DisposableStore): void {
const normalizedUri = normalizeId(uri);
this.schemasById[normalizedUri] = unresolvedSchemaContent;
this._onDidChangeSchema.fire(uri);
if (store) {
store.add(toDisposable(() => {
delete this.schemasById[normalizedUri];
this._onDidChangeSchema.fire(uri);
}));
}
public registerSchemaAssociation(uri: string, glob: string): IDisposable {
const normalizedUri = normalizeId(uri);
if (!this.schemaAssociations[normalizedUri]) {
this.schemaAssociations[normalizedUri] = [];
}
if (!this.schemaAssociations[normalizedUri].includes(glob)) {
this.schemaAssociations[normalizedUri].push(glob);
this._onDidChangeSchemaAssociations.fire();
}
return toDisposable(() => {
const associations = this.schemaAssociations[normalizedUri];
if (associations) {
const index = associations.indexOf(glob);
if (index !== -1) {
associations.splice(index, 1);
if (associations.length === 0) {
delete this.schemaAssociations[normalizedUri];
}
this._onDidChangeSchemaAssociations.fire();
}
}
});
}
public notifySchemaChanged(uri: string): void {
}
public getSchemaContributions(): ISchemaContributions {
return {
schemas: this.schemasById,
};
}
public getSchemaContent(uri: string): string | undefined {
const schema = this.schemasById[uri];
return schema ? getCompressedContent(schema) : undefined;
}
public hasSchemaContent(uri: string): boolean {
return !!this.schemasById[uri];
}
public getSchemaAssociations(): { [uri: string]: string[] } {
return this.schemaAssociations;
}
}
const jsonContributionRegistry = new JSONContributionRegistry();
platform.Registry.add(Extensions.JSONContribution, jsonContributionRegistry);