/********************************************************************************
 * Copyright (C) 2018 Red Hat, Inc. and others.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the Eclipse
 * Public License v. 2.0 are satisfied: GNU General Public License, version 2
 * with the GNU Classpath Exception which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 ********************************************************************************/ import { URI } from '@theia/core/shared/vscode-uri' ; import * as theia from '@theia/plugin' ; import { DocumentsExtImpl } from '../documents' ; import * as types from '../types-impl' ; import * as Converter from '../type-converters' ; import { Position } from '../../common/plugin-api-rpc' ; import { Definition , LocationLink , Location } from '../../common/plugin-api-rpc-model' ; import { isDefinitionLinkArray , isLocationArray } from './util' ; export class ImplementationAdapter { constructor ( private readonly provider , private readonly documents ) { } provideImplementation ( resource , position , token ) { const documentData = this . documents . getDocumentData ( resource ) ; if ( ! documentData ) { return Promise . reject ( new Error ( `There is no document for ${ resource }` ) ) ; } const document = documentData . document ; const zeroBasedPosition = Converter . toPosition ( position ) ; return Promise . resolve ( this . provider . provideImplementation ( document , zeroBasedPosition , token ) ) . then ( definition => { if ( ! definition ) { return undefined ; } if ( definition instanceof types . Location ) { return Converter . fromLocation ( definition ) ; } if ( isLocationArray ( definition ) ) { const locations = [ ] ; for ( const location of definition ) { locations . push ( Converter . fromLocation ( location ) ) ; } return locations ; } if ( isDefinitionLinkArray ( definition ) ) { const definitionLinks = [ ] ; for ( const definitionLink of definition ) { definitionLinks . push ( Converter . fromDefinitionLink ( definitionLink ) ) ; } return definitionLinks ; } } ) ; } }