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Add support for textdocument/inlineCompletions
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| /* -------------------------------------------------------------------------------------------- | ||
| * Copyright (c) Microsoft Corporation. All rights reserved. | ||
| * Licensed under the MIT License. See License.txt in the project root for license information. | ||
| * ------------------------------------------------------------------------------------------ */ | ||
|
|
||
| import { | ||
| languages as Languages, TextDocument, Disposable, Position as VPosition, InlineCompletionContext as VInlineCompletionContext, | ||
| CancellationToken, ProviderResult, InlineCompletionItem as VInlineCompletionItem, InlineCompletionList as VInlineCompletionList, InlineCompletionItemProvider | ||
| } from 'vscode'; | ||
|
|
||
| import { | ||
| ClientCapabilities, InlineCompletionOptions, InlineCompletionRegistrationOptions, InlineCompletionRequest, | ||
| DocumentSelector, ServerCapabilities | ||
| } from 'vscode-languageserver-protocol'; | ||
|
|
||
| import { | ||
| FeatureClient, ensure, TextDocumentLanguageFeature | ||
| } from './features'; | ||
|
|
||
| import * as UUID from './utils/uuid'; | ||
|
|
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| export interface ProvideInlineCompletionItemsSignature { | ||
| (this: void, document: TextDocument, position: VPosition, context: VInlineCompletionContext, token: CancellationToken): ProviderResult<VInlineCompletionItem[] | VInlineCompletionList>; | ||
| } | ||
|
|
||
| export interface InlineCompletionMiddleware { | ||
| provideInlineCompletionItems?: (this: void, document: TextDocument, position: VPosition, context: VInlineCompletionContext, token: CancellationToken, next: ProvideInlineCompletionItemsSignature) => ProviderResult<VInlineCompletionItem[] | VInlineCompletionList>; | ||
| } | ||
|
|
||
| export type InlineCompletionProviderShape = { | ||
| provider: InlineCompletionItemProvider; | ||
| }; | ||
|
|
||
| export class InlineCompletionItemFeature extends TextDocumentLanguageFeature<boolean | InlineCompletionOptions, InlineCompletionRegistrationOptions, InlineCompletionItemProvider, InlineCompletionMiddleware> { | ||
|
|
||
| constructor(client: FeatureClient<InlineCompletionMiddleware>) { | ||
| super(client, InlineCompletionRequest.type); | ||
| } | ||
|
|
||
| public fillClientCapabilities(capabilities: ClientCapabilities): void { | ||
| let inlineCompletion = ensure(ensure(capabilities, 'textDocument')!, 'inlineCompletion')!; | ||
| inlineCompletion.dynamicRegistration = true; | ||
| } | ||
|
|
||
| public initialize(capabilities: ServerCapabilities, documentSelector: DocumentSelector): void { | ||
| const options = this.getRegistrationOptions(documentSelector, capabilities.inlineCompletionProvider); | ||
| if (!options) { | ||
| return; | ||
| } | ||
|
|
||
| this.register({ | ||
| id: UUID.generateUuid(), | ||
| registerOptions: options | ||
| }); | ||
| } | ||
|
|
||
| protected registerLanguageProvider(options: InlineCompletionRegistrationOptions): [Disposable, InlineCompletionItemProvider] { | ||
| const selector = options.documentSelector!; | ||
| const provider: InlineCompletionItemProvider = { | ||
| provideInlineCompletionItems: (document: TextDocument, position: VPosition, context: VInlineCompletionContext, token: CancellationToken): ProviderResult<VInlineCompletionList | VInlineCompletionItem[]> => { | ||
| const client = this._client; | ||
| const middleware = this._client.middleware; | ||
| const provideInlineCompletionItems: ProvideInlineCompletionItemsSignature = (document, position, context, token) => { | ||
| return client.sendRequest(InlineCompletionRequest.type, client.code2ProtocolConverter.asInlineCompletionParams(document, position, context), token).then((result) => { | ||
| if (token.isCancellationRequested) { | ||
| return null; | ||
| } | ||
| return client.protocol2CodeConverter.asInlineCompletionResult(result, token); | ||
| }, (error) => { | ||
| return client.handleFailedRequest(InlineCompletionRequest.type, token, error, null); | ||
| }); | ||
| }; | ||
| return middleware.provideInlineCompletionItems | ||
| ? middleware.provideInlineCompletionItems(document, position, context, token, provideInlineCompletionItems) | ||
| : provideInlineCompletionItems(document, position, context, token); | ||
| } | ||
| }; | ||
| return [Languages.registerInlineCompletionItemProvider(this._client.protocol2CodeConverter.asDocumentSelector(selector), provider), provider]; | ||
| } | ||
| } |
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