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shFormat.ts
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shFormat.ts
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import * as vscode from "vscode";
import * as cp from "child_process";
import * as path from "path";
import * as fs from "fs";
import { fileExists, getExecutableFileUnderPath } from "./pathUtil";
import { output } from "./extension";
import {
isDiffToolAvailable,
getEdits,
getEditsFromUnifiedDiffStr
} from "../src/diffUtils";
import {
Diagnostic,
DiagnosticSeverity,
Range,
DiagnosticCollection,
TextDocument,
Position,
FormattingOptions,
TextEdit
} from "vscode";
import { getPlatFormFilename, getDestPath } from "./downloader";
export const configurationPrefix = "shellformat";
export enum ConfigItemName {
Flag = "flag",
Path = "path",
EffectLanguages = "effectLanguages",
ShowError = "showError"
}
const shfmtVersion = "v2.6.4";
const defaultDownloadDirParrent = "/usr/local";
const defaultDownloadDir = "/usr/local/bin";
const defaultDownloadShfmtPath = `${defaultDownloadDir}/shfmt`;
const fileExtensionMap = {
arm: "arm",
arm64: "arm",
ia32: "386",
mips: "mips",
x32: "386",
x64: "amd64"
};
export class Formatter {
static formatCommand = "shfmt";
diagnosticCollection: DiagnosticCollection;
constructor(
public context: vscode.ExtensionContext,
public output: vscode.OutputChannel
) {
this.diagnosticCollection = vscode.languages.createDiagnosticCollection(
"shell-format"
);
}
getShfmtPath() {
return getDestPath(this.context);
}
public formatDocument(
document: TextDocument,
options?: FormattingOptions
): Thenable<TextEdit[]> {
const start = new Position(0, 0);
const end = new vscode.Position(
document.lineCount - 1,
document.lineAt(document.lineCount - 1).text.length
);
const range = new vscode.Range(start, end);
const content = document.getText(range);
return this.formatDocumentWithContent(content, document, range, options);
}
public formatDocumentWithContent(
content: string,
document: TextDocument,
range: Range,
options?: vscode.FormattingOptions
): Thenable<vscode.TextEdit[]> {
return new Promise((resolve, reject) => {
try {
let formatFlags = []; //todo add user configuration
let settings = vscode.workspace.getConfiguration(configurationPrefix);
let withFlagI = false;
if (settings) {
let flag: string = settings["flag"];
if (flag) {
if (flag.includes("-w")) {
vscode.window.showWarningMessage(
"can not set -w flag please fix config"
);
reject("-w config error");
}
if (flag.includes("-i")) {
withFlagI = true;
}
let flags = flag.split(" ");
formatFlags.push(...flags);
}
let binPath: string = settings["path"];
if (binPath) {
if (fileExists(binPath)) {
Formatter.formatCommand = binPath;
} else {
vscode.window.showErrorMessage(
"the config shellformat.path file not exists please fix it"
);
}
} else {
// if (
// !binPath &&
// process.platform != "win32" &&
// fileExists(defaultDownloadShfmtPath)
// ) {
// Formatter.formatCommand = defaultDownloadShfmtPath;
// }
Formatter.formatCommand = this.getShfmtPath();
}
}
if (options && options.insertSpaces && !withFlagI) {
formatFlags.push("-i", options.tabSize);
}
let fmtSpawn = cp.spawn(Formatter.formatCommand, formatFlags);
let output: Buffer[] = [];
let errorOutput: Buffer[] = [];
let textEdits: TextEdit[] = [];
fmtSpawn.stdout.on("data", chunk => {
let bc: Buffer;
if (chunk instanceof Buffer) {
bc = chunk;
} else {
bc = new Buffer(chunk);
}
output.push(bc);
});
fmtSpawn.stderr.on("data", chunk => {
let bc: Buffer;
if (chunk instanceof Buffer) {
bc = chunk;
} else {
bc = new Buffer(chunk);
}
errorOutput.push(bc);
});
fmtSpawn.on("close", (code, signal) => {
if (code == 0) {
this.diagnosticCollection.delete(document.uri);
if (output.length == 0) {
resolve(null);
} else {
let result = Buffer.concat(output).toString();
let filePatch = getEdits(document.fileName, content, result);
filePatch.edits.forEach(edit => {
textEdits.push(edit.apply());
});
resolve(textEdits);
}
} else {
let errMsg = "";
if (errorOutput.length != 0) {
errMsg = Buffer.concat(errorOutput).toString();
// https://regex101.com/r/uPoLKg/2/
let m = /^<standard input>:(\d+):(\d+):/.exec(errMsg);
if (m !== null && m.length > 2) {
let line = parseInt(m[1]);
let coloum = parseInt(m[2]);
const diag: Diagnostic = {
range: new vscode.Range(
new vscode.Position(line, coloum),
new vscode.Position(line, coloum)
),
message: errMsg.slice(
"<standard input>:".length,
errMsg.length
),
severity: DiagnosticSeverity.Error
};
this.diagnosticCollection.delete(document.uri);
this.diagnosticCollection.set(document.uri, [diag]);
}
}
// vscode.window.showWarningMessage('shell format error please commit one issue to me:' + errMsg);
reject(errMsg);
}
});
fmtSpawn.stdin.write(content);
fmtSpawn.stdin.end();
} catch (e) {
reject("Internal issues when formatted content");
}
});
}
}
export class ShellDocumentFormattingEditProvider
implements vscode.DocumentFormattingEditProvider {
private settings: vscode.WorkspaceConfiguration;
constructor(
public formatter: Formatter,
settings?: vscode.WorkspaceConfiguration
) {
if (settings === undefined) {
this.settings = vscode.workspace.getConfiguration(configurationPrefix);
} else {
this.settings = settings;
}
}
public provideDocumentFormattingEdits(
document: vscode.TextDocument,
options: vscode.FormattingOptions,
token: vscode.CancellationToken
): Thenable<vscode.TextEdit[]> {
// const onSave = this.settings["onsave"];
// if (!onSave) {
// console.log(onSave);
// }
return this.formatter.formatDocument(document, options);
}
}
/**
* deprecated
* will clean
* */
export function checkEnv() {
const settings = vscode.workspace.getConfiguration(configurationPrefix);
let configBinPath = false;
if (settings) {
let flag: string = settings.get(ConfigItemName.Flag);
if (flag) {
if (flag.includes("-w")) {
vscode.window.showWarningMessage(
"can not set -w flag please fix config"
);
}
}
let binPath: string = settings.get(ConfigItemName.Path);
if (binPath) {
configBinPath = true;
if (fileExists(binPath)) {
this.formatCommand = binPath;
} else {
vscode.window.showErrorMessage(
`the config [${configurationPrefix}.${
ConfigItemName.Path
}] file not exists please fix it`
);
}
}
}
if (
!configBinPath &&
!isExecutedFmtCommand() &&
!fileExists(defaultDownloadShfmtPath)
) {
if (process.platform == "darwin") {
installFmtForMaxos();
} else if (
[
// "android",
// "darwin",
"freebsd",
"linux",
"openbsd"
// "sunos",
// "win32",
// "cygwin"
].includes(process.platform)
) {
// installForLinux();
showMamualInstallMessage();
} else {
showMamualInstallMessage();
}
}
}
function showMamualInstallMessage() {
vscode.window.showErrorMessage(
`[${configurationPrefix}.${
ConfigItemName.Path
}]not found! please install manually https://mvdan.cc/sh/cmd/shfmt `
);
}
function installFmtForMaxos() {
if (getExecutableFileUnderPath("brew")) {
vscode.window.showInformationMessage("will install shfmt by brew");
const terminal = vscode.window.createTerminal();
terminal.show();
terminal.sendText("brew install shfmt", true);
terminal.sendText("echo '**Enjoy shellscript!**'", true);
terminal.sendText(
"echo 'fork or star https://github.com/foxundermoon/vs-shell-format'",
true
);
} else {
installForLinux();
}
}
/** will clean */
function installForLinux() {
//todo fix the ubuntu permission issue
return;
try {
const url = getDownloadUrl();
vscode.window.showInformationMessage("will install shfmt by curl");
const terminal = vscode.window.createTerminal();
terminal.show();
if (!fs.existsSync(defaultDownloadDir)) {
try {
fs.accessSync(defaultDownloadDirParrent, fs.constants.W_OK);
terminal.sendText(`mkdir -p ${defaultDownloadDir}`, true);
} catch (err) {
terminal.sendText(`sudo mkdir -p ${defaultDownloadDir}`, true);
}
}
try {
fs.accessSync(defaultDownloadDir, fs.constants.W_OK);
terminal.sendText(
`curl -L '${url}' --output /usr/local/bin/shfmt`,
true
);
terminal.sendText(`chmod a+x /usr/local/bin/shfmt`, true);
} catch (err) {
terminal.sendText(
`sudo curl -L '${url}' --output /usr/local/bin/shfmt`,
true
);
terminal.sendText(`sudo chmod a+x /usr/local/bin/shfmt`, true);
}
terminal.sendText("echo '**Enjoy shellscript!**'", true);
terminal.sendText(
"echo 'fork or star https://github.com/foxundermoon/vs-shell-format'",
true
);
} catch (error) {
vscode.window.showWarningMessage(
"install shfmt failed , please install manually https://mvdan.cc/sh/cmd/shfmt"
);
}
}
function getDownloadUrl(): String {
try {
const extension = fileExtensionMap[process.arch];
const url = `https://github.com/mvdan/sh/releases/download/${shfmtVersion}/shfmt_${shfmtVersion}_${
process.platform
}_${extension}`;
return url;
} catch (error) {
throw new Error("nor sourport");
}
}
/**
* will clean
*/
function isExecutedFmtCommand(): Boolean {
return getExecutableFileUnderPath(Formatter.formatCommand) != null;
}