vscode-texinfo/src/indicator.ts

72 lines
2.2 KiB
TypeScript

/**
* indicator.ts
*
* @author CismonX <admin@cismon.net>
* @license MIT
*/
import * as vscode from 'vscode';
import Options from './options';
import { exec } from './utils/misc';
/**
* Shows whether GNU Texinfo is properly installed and configured.
*/
export default class Indicator implements vscode.Disposable {
private static singleton?: Indicator;
static async click() {
await Indicator.instance.updateStatus();
Indicator.instance.refresh(vscode.window.activeTextEditor);
}
static onTextEditorChange(editor?: vscode.TextEditor) {
Indicator.instance.refresh(editor);
}
static get instance() {
return this.singleton ??= new Indicator();
}
private statusBarItem: vscode.StatusBarItem;
private refresh(editor?: vscode.TextEditor) {
if (editor === undefined || editor.document.languageId != 'texinfo') {
this.statusBarItem.hide();
} else {
this.statusBarItem.show();
}
}
private async updateStatus() {
const output = await exec(Options.makeinfo, ['--version'], Options.maxSize);
const result = output.data?.match(/\(GNU texinfo\) (.*)\n/);
let tooltip = '', icon: string, version = '';
if (result && result[1]) {
version = result[1];
if (!isNaN(+version) && +version < 6.7) {
icon = '$(warning)';
tooltip = `GNU Texinfo (${Options.makeinfo}) is outdated (${version} < 6.7).`;
} else {
icon = '$(check)';
}
} else {
icon = '$(close)';
tooltip = `GNU Texinfo (${Options.makeinfo}) is not correctly installed or configured.`;
}
this.statusBarItem.text = `${icon} GNU Texinfo ${version}`;
this.statusBarItem.tooltip = tooltip;
this.statusBarItem.command = 'texinfo.indicator.click';
}
private constructor() {
this.statusBarItem = vscode.window.createStatusBarItem(vscode.StatusBarAlignment.Right, 100);
this.updateStatus().then(() => this.refresh(vscode.window.activeTextEditor));
}
dispose() {
this.statusBarItem.dispose();
}
}