| /* eslint-disable prefer-const */ |
| /* eslint-disable eqeqeq */ |
| /*--------------------------------------------------------- |
| * Copyright (C) Microsoft Corporation. All rights reserved. |
| * Licensed under the MIT License. See LICENSE in the project root for license information. |
| *--------------------------------------------------------*/ |
| |
| 'use strict'; |
| |
| import vscode = require('vscode'); |
| import { CancellationToken, Hover, HoverProvider, Position, TextDocument, WorkspaceConfiguration } from 'vscode'; |
| import { getGoConfig } from './config'; |
| import { definitionLocation } from './goDeclaration'; |
| |
| export class GoHoverProvider implements HoverProvider { |
| private goConfig: WorkspaceConfiguration | undefined; |
| |
| constructor(goConfig?: WorkspaceConfiguration) { |
| this.goConfig = goConfig; |
| } |
| |
| public provideHover(document: TextDocument, position: Position, token: CancellationToken): Thenable<Hover> { |
| if (!this.goConfig) { |
| this.goConfig = getGoConfig(document.uri); |
| } |
| let goConfig = this.goConfig; |
| |
| // Temporary fix to fall back to godoc if guru is the set docsTool |
| if (goConfig['docsTool'] === 'guru') { |
| goConfig = Object.assign({}, goConfig, { docsTool: 'godoc' }); |
| } |
| return definitionLocation(document, position, goConfig, true, token).then( |
| (definitionInfo) => { |
| if (definitionInfo == null) { |
| return null; |
| } |
| const lines = definitionInfo.declarationlines |
| .filter((line) => line !== '') |
| .map((line) => line.replace(/\t/g, ' ')); |
| let text; |
| text = lines.join('\n').replace(/\n+$/, ''); |
| const hoverTexts = new vscode.MarkdownString(); |
| hoverTexts.appendCodeblock(text, 'go'); |
| if (definitionInfo.doc != null) { |
| hoverTexts.appendMarkdown(definitionInfo.doc); |
| } |
| const hover = new Hover(hoverTexts); |
| return hover; |
| }, |
| () => { |
| return null; |
| } |
| ); |
| } |
| } |