/********************************************************************************
 * 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 * as Converter from '../type-converters' ; import * as model from '../../common/plugin-api-rpc-model' ; import { DocumentsExtImpl } from '../documents' ; import { Position , WorkspaceEditDto } from '../../common/plugin-api-rpc' ; import { Range } from '../types-impl' ; import { isObject } from '../../common/types' ; export class RenameAdapter { static supportsResolving ( provider ) { return typeof provider . prepareRename === 'function' ; } constructor ( private readonly provider , private readonly documents ) { } provideRenameEdits ( resource , position , newName , token ) { const document = this . documents . getDocumentData ( resource ) ; if ( ! document ) { return Promise . reject ( new Error ( `There is no document for ${ resource }` ) ) ; } const doc = document . document ; const pos = Converter . toPosition ( position ) ; return Promise . resolve ( this . provider . provideRenameEdits ( doc , pos , newName , token ) ) . then ( value => { if ( ! value ) { return undefined ; } return Converter . fromWorkspaceEdit ( value ) ; } , error => { const rejectReason = RenameAdapter . asMessage ( error ) ; if ( rejectReason ) { return < WorkspaceEditDto > { rejectReason , edits : [ ] } ; } else { return Promise . reject < WorkspaceEditDto > ( error ) ; } } ) ; } resolveRenameLocation ( resource , position , token ) { if ( typeof this . provider . prepareRename !== 'function' ) { return Promise . resolve ( undefined ) ; } const document = this . documents . getDocumentData ( resource ) ; if ( ! document ) { return Promise . reject ( new Error ( `There is no document for ${ resource }` ) ) ; } const doc = document . document ; const pos = Converter . toPosition ( position ) ; return Promise . resolve ( this . provider . prepareRename ( doc , pos , token ) ) . then ( rangeOrLocation => { let range ; let text ; if ( rangeOrLocation && Range . isRange ( rangeOrLocation ) ) { range = rangeOrLocation ; text = doc . getText ( rangeOrLocation ) ; } else if ( rangeOrLocation && isObject ( rangeOrLocation ) ) { range = rangeOrLocation . range ; text = rangeOrLocation . placeholder ; } if ( ! range ) { return undefined ; } if ( range . start . line > pos . line || range . end . line < pos . line ) { console . warn ( 'INVALID rename location: position line must be within range start/end lines' ) ; return undefined ; } return { range : Converter . fromRange ( range ) ! , text : text ! } ; } , error => { const rejectReason = RenameAdapter . asMessage ( error ) ; if ( rejectReason ) { return Promise . resolve ( < model . RenameLocation & model . Rejection > { rejectReason , range : undefined ! , text : undefined ! } ) ; } else { return Promise . reject ( error ) ; } } ) ; } private static asMessage ( err ) { if ( typeof err === 'string' ) { return err ; } else if ( err instanceof Error && typeof err . message === 'string' ) { return err . message ; } else { return undefined ; } } }