Files
azuredatastudio/src/vs/workbench/services/bulkEdit/electron-browser/bulkEditService.ts
2019-03-15 13:09:45 -07:00

429 lines
14 KiB
TypeScript

/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the Source EULA. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import { mergeSort } from 'vs/base/common/arrays';
import { dispose, IDisposable, IReference } from 'vs/base/common/lifecycle';
import { URI } from 'vs/base/common/uri';
import { ICodeEditor, isCodeEditor } from 'vs/editor/browser/editorBrowser';
import { IBulkEditOptions, IBulkEditResult, IBulkEditService } from 'vs/editor/browser/services/bulkEditService';
import { EditOperation } from 'vs/editor/common/core/editOperation';
import { Range } from 'vs/editor/common/core/range';
import { EndOfLineSequence, IIdentifiedSingleEditOperation, ITextModel } from 'vs/editor/common/model';
import { isResourceFileEdit, isResourceTextEdit, ResourceFileEdit, ResourceTextEdit, WorkspaceEdit } from 'vs/editor/common/modes';
import { IModelService } from 'vs/editor/common/services/modelService';
import { ITextEditorModel, ITextModelService } from 'vs/editor/common/services/resolverService';
import { localize } from 'vs/nls';
import { IFileService } from 'vs/platform/files/common/files';
import { registerSingleton } from 'vs/platform/instantiation/common/extensions';
import { ILogService } from 'vs/platform/log/common/log';
import { emptyProgressRunner, IProgress, IProgressRunner } from 'vs/platform/progress/common/progress';
import { IEditorService } from 'vs/workbench/services/editor/common/editorService';
import { ITextFileService } from 'vs/workbench/services/textfile/common/textfiles';
import { ILabelService } from 'vs/platform/label/common/label';
import { IConfigurationService } from 'vs/platform/configuration/common/configuration';
abstract class Recording {
static start(fileService: IFileService): Recording {
let _changes = new Set<string>();
let subscription = fileService.onAfterOperation(e => {
_changes.add(e.resource.toString());
});
return {
stop() { return subscription.dispose(); },
hasChanged(resource) { return _changes.has(resource.toString()); }
};
}
abstract stop(): void;
abstract hasChanged(resource: URI): boolean;
}
type ValidationResult = { canApply: true } | { canApply: false, reason: URI };
class ModelEditTask implements IDisposable {
private readonly _model: ITextModel;
protected _edits: IIdentifiedSingleEditOperation[];
private _expectedModelVersionId: number | undefined;
protected _newEol: EndOfLineSequence;
constructor(private readonly _modelReference: IReference<ITextEditorModel>) {
this._model = this._modelReference.object.textEditorModel;
this._edits = [];
}
dispose() {
dispose(this._modelReference);
}
addEdit(resourceEdit: ResourceTextEdit): void {
this._expectedModelVersionId = resourceEdit.modelVersionId;
for (const edit of resourceEdit.edits) {
if (typeof edit.eol === 'number') {
// honor eol-change
this._newEol = edit.eol;
}
if (!edit.range && !edit.text) {
// lacks both a range and the text
continue;
}
if (Range.isEmpty(edit.range) && !edit.text) {
// no-op edit (replace empty range with empty text)
continue;
}
// create edit operation
let range: Range;
if (!edit.range) {
range = this._model.getFullModelRange();
} else {
range = Range.lift(edit.range);
}
this._edits.push(EditOperation.replaceMove(range, edit.text));
}
}
validate(): ValidationResult {
if (typeof this._expectedModelVersionId === 'undefined' || this._model.getVersionId() === this._expectedModelVersionId) {
return { canApply: true };
}
return { canApply: false, reason: this._model.uri };
}
apply(): void {
if (this._edits.length > 0) {
this._edits = mergeSort(this._edits, (a, b) => Range.compareRangesUsingStarts(a.range, b.range));
this._model.pushStackElement();
this._model.pushEditOperations([], this._edits, () => []);
this._model.pushStackElement();
}
if (this._newEol !== undefined) {
this._model.pushStackElement();
this._model.pushEOL(this._newEol);
this._model.pushStackElement();
}
}
}
class EditorEditTask extends ModelEditTask {
private _editor: ICodeEditor;
constructor(modelReference: IReference<ITextEditorModel>, editor: ICodeEditor) {
super(modelReference);
this._editor = editor;
}
apply(): void {
if (this._edits.length > 0) {
this._edits = mergeSort(this._edits, (a, b) => Range.compareRangesUsingStarts(a.range, b.range));
this._editor.pushUndoStop();
this._editor.executeEdits('', this._edits);
this._editor.pushUndoStop();
}
if (this._newEol !== undefined) {
if (this._editor.hasModel()) {
this._editor.pushUndoStop();
this._editor.getModel().pushEOL(this._newEol);
this._editor.pushUndoStop();
}
}
}
}
class BulkEditModel implements IDisposable {
private _textModelResolverService: ITextModelService;
private _edits = new Map<string, ResourceTextEdit[]>();
private _editor: ICodeEditor | undefined;
private _tasks: ModelEditTask[];
private _progress: IProgress<void>;
constructor(
textModelResolverService: ITextModelService,
editor: ICodeEditor | undefined,
edits: ResourceTextEdit[],
progress: IProgress<void>
) {
this._textModelResolverService = textModelResolverService;
this._editor = editor;
this._progress = progress;
edits.forEach(this.addEdit, this);
}
dispose(): void {
this._tasks = dispose(this._tasks);
}
addEdit(edit: ResourceTextEdit): void {
let array = this._edits.get(edit.resource.toString());
if (!array) {
array = [];
this._edits.set(edit.resource.toString(), array);
}
array.push(edit);
}
async prepare(): Promise<BulkEditModel> {
if (this._tasks) {
throw new Error('illegal state - already prepared');
}
this._tasks = [];
const promises: Promise<any>[] = [];
this._edits.forEach((value, key) => {
const promise = this._textModelResolverService.createModelReference(URI.parse(key)).then(ref => {
const model = ref.object;
if (!model || !model.textEditorModel) {
throw new Error(`Cannot load file ${key}`);
}
let task: ModelEditTask;
if (this._editor && this._editor.hasModel() && this._editor.getModel().uri.toString() === model.textEditorModel.uri.toString()) {
task = new EditorEditTask(ref, this._editor);
} else {
task = new ModelEditTask(ref);
}
value.forEach(edit => task.addEdit(edit));
this._tasks.push(task);
this._progress.report(undefined);
});
promises.push(promise);
});
await Promise.all(promises);
return this;
}
validate(): ValidationResult {
for (const task of this._tasks) {
const result = task.validate();
if (!result.canApply) {
return result;
}
}
return { canApply: true };
}
apply(): void {
for (const task of this._tasks) {
task.apply();
this._progress.report(undefined);
}
}
}
export type Edit = ResourceFileEdit | ResourceTextEdit;
export class BulkEdit {
private _edits: Edit[] = [];
private _editor: ICodeEditor | undefined;
private _progress?: IProgressRunner;
constructor(
editor: ICodeEditor | undefined,
progress: IProgressRunner | undefined,
@ILogService private readonly _logService: ILogService,
@ITextModelService private readonly _textModelService: ITextModelService,
@IFileService private readonly _fileService: IFileService,
@ITextFileService private readonly _textFileService: ITextFileService,
@ILabelService private readonly _uriLabelServie: ILabelService,
@IConfigurationService private readonly _configurationService: IConfigurationService
) {
this._editor = editor;
this._progress = progress || emptyProgressRunner;
}
add(edits: Edit[] | Edit): void {
if (Array.isArray(edits)) {
this._edits.push(...edits);
} else {
this._edits.push(edits);
}
}
ariaMessage(): string {
const editCount = this._edits.reduce((prev, cur) => isResourceFileEdit(cur) ? prev : prev + cur.edits.length, 0);
const resourceCount = this._edits.length;
if (editCount === 0) {
return localize('summary.0', "Made no edits");
} else if (editCount > 1 && resourceCount > 1) {
return localize('summary.nm', "Made {0} text edits in {1} files", editCount, resourceCount);
} else {
return localize('summary.n0', "Made {0} text edits in one file", editCount, resourceCount);
}
}
async perform(): Promise<void> {
let seen = new Set<string>();
let total = 0;
const groups: Edit[][] = [];
let group: Edit[] | undefined;
for (const edit of this._edits) {
if (!group
|| (isResourceFileEdit(group[0]) && !isResourceFileEdit(edit))
|| (isResourceTextEdit(group[0]) && !isResourceTextEdit(edit))
) {
group = [];
groups.push(group);
}
group.push(edit);
if (isResourceFileEdit(edit)) {
total += 1;
} else if (!seen.has(edit.resource.toString())) {
seen.add(edit.resource.toString());
total += 2;
}
}
// define total work and progress callback
// for child operations
if (this._progress) {
this._progress.total(total);
}
let progress: IProgress<void> = { report: _ => this._progress && this._progress.worked(1) };
// do it.
for (const group of groups) {
if (isResourceFileEdit(group[0])) {
await this._performFileEdits(<ResourceFileEdit[]>group, progress);
} else {
await this._performTextEdits(<ResourceTextEdit[]>group, progress);
}
}
}
private async _performFileEdits(edits: ResourceFileEdit[], progress: IProgress<void>) {
this._logService.debug('_performFileEdits', JSON.stringify(edits));
for (const edit of edits) {
progress.report(undefined);
let options = edit.options || {};
if (edit.newUri && edit.oldUri) {
// rename
if (options.overwrite === undefined && options.ignoreIfExists && await this._fileService.existsFile(edit.newUri)) {
continue; // not overwriting, but ignoring, and the target file exists
}
await this._textFileService.move(edit.oldUri, edit.newUri, options.overwrite);
} else if (!edit.newUri && edit.oldUri) {
// delete file
if (!options.ignoreIfNotExists || await this._fileService.existsFile(edit.oldUri)) {
await this._textFileService.delete(edit.oldUri, { useTrash: this._configurationService.getValue<boolean>('files.enableTrash'), recursive: options.recursive });
}
} else if (edit.newUri && !edit.oldUri) {
// create file
if (options.overwrite === undefined && options.ignoreIfExists && await this._fileService.existsFile(edit.newUri)) {
continue; // not overwriting, but ignoring, and the target file exists
}
await this._textFileService.create(edit.newUri, undefined, { overwrite: options.overwrite });
}
}
}
private async _performTextEdits(edits: ResourceTextEdit[], progress: IProgress<void>): Promise<void> {
this._logService.debug('_performTextEdits', JSON.stringify(edits));
const recording = Recording.start(this._fileService);
const model = new BulkEditModel(this._textModelService, this._editor, edits, progress);
await model.prepare();
const conflicts = edits
.filter(edit => recording.hasChanged(edit.resource))
.map(edit => this._uriLabelServie.getUriLabel(edit.resource, { relative: true }));
recording.stop();
if (conflicts.length > 0) {
model.dispose();
throw new Error(localize('conflict', "These files have changed in the meantime: {0}", conflicts.join(', ')));
}
const validationResult = model.validate();
if (validationResult.canApply === false) {
throw new Error(`${validationResult.reason.toString()} has changed in the meantime`);
}
await model.apply();
model.dispose();
}
}
export class BulkEditService implements IBulkEditService {
_serviceBrand: any;
constructor(
@ILogService private readonly _logService: ILogService,
@IModelService private readonly _modelService: IModelService,
@IEditorService private readonly _editorService: IEditorService,
@ITextModelService private readonly _textModelService: ITextModelService,
@IFileService private readonly _fileService: IFileService,
@ITextFileService private readonly _textFileService: ITextFileService,
@ILabelService private readonly _labelService: ILabelService,
@IConfigurationService private readonly _configurationService: IConfigurationService
) {
}
apply(edit: WorkspaceEdit, options: IBulkEditOptions = {}): Promise<IBulkEditResult> {
let { edits } = edit;
let codeEditor = options.editor;
// First check if loaded models were not changed in the meantime
for (const edit of edits) {
if (!isResourceFileEdit(edit) && typeof edit.modelVersionId === 'number') {
let model = this._modelService.getModel(edit.resource);
if (model && model.getVersionId() !== edit.modelVersionId) {
// model changed in the meantime
return Promise.reject(new Error(`${model.uri.toString()} has changed in the meantime`));
}
}
}
// try to find code editor
// todo@joh, prefer edit that gets edited
if (!codeEditor) {
let candidate = this._editorService.activeTextEditorWidget;
if (isCodeEditor(candidate)) {
codeEditor = candidate;
}
}
const bulkEdit = new BulkEdit(codeEditor, options.progress, this._logService, this._textModelService, this._fileService, this._textFileService, this._labelService, this._configurationService);
bulkEdit.add(edits);
return bulkEdit.perform().then(() => {
return { ariaSummary: bulkEdit.ariaMessage() };
}).catch(err => {
// console.log('apply FAILED');
// console.log(err);
this._logService.error(err);
throw err;
});
}
}
registerSingleton(IBulkEditService, BulkEditService, true);