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nimUtils.ts
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nimUtils.ts
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/*---------------------------------------------------------
* Copyright (C) Xored Software Inc. All rights reserved.
* Licensed under the MIT License. See LICENSE in the project root for license information.
*--------------------------------------------------------*/
'use strict';
import fs = require('fs');
import path = require('path');
import os = require('os');
import cp = require('child_process');
import vscode = require('vscode');
let _pathesCache: { [tool: string]: string; } = {};
var _projects: string[] = [];
export function getNimExecPath(): string {
let path = getBinPath('nim');
if (!path) {
vscode.window.showInformationMessage('No \'nim\' binary could be found in PATH environment variable');
}
return path;
}
/**
* Returns true if path related to any workspace folders,
*
* @param filePath absolute file path
*/
export function isWorkspaceFile(filePath: string): boolean {
if (vscode.workspace.workspaceFolders) {
for (const wsFolder of vscode.workspace.workspaceFolders) {
if (wsFolder.uri.scheme === 'file' &&
filePath.toLowerCase().startsWith(wsFolder.uri.fsPath.toLowerCase())) {
return true;
}
}
}
return false;
}
/**
* Return filesystem file path.
*
* @param filePath relative or absolite file path
*/
export function toLocalFile(filePath: string): string {
if (!path.isAbsolute(filePath)) {
let workspaceFolder = vscode.workspace.getWorkspaceFolder(vscode.Uri.file(filePath));
if (workspaceFolder) {
return workspaceFolder.uri.with({path: workspaceFolder.uri.path + '/' + filePath}).fsPath;
}
}
return filePath;
}
/**
* Returns full path to nimpretty executables or '' if file not found.
*/
export function getNimPrettyExecPath(): string {
let toolname = 'nimpretty';
if (!_pathesCache[toolname]) {
let nimPrettyPath = path.resolve(path.dirname(getNimExecPath()), correctBinname(toolname));
if (fs.existsSync(nimPrettyPath)) {
_pathesCache[toolname] = nimPrettyPath;
} else {
_pathesCache[toolname] = '';
}
}
return _pathesCache[toolname];
}
export function getProjectFile(filename: string) {
filename = vscode.workspace.asRelativePath(filename);
if (!isProjectMode()) {
return filename;
}
for (var i = 0; i < _projects.length; i++) {
let project = _projects[i];
if (filename.startsWith(path.dirname(project))) {
return project;
}
}
return _projects[0];
}
/**
* Returns temporary file path of edited document.
*/
export function getDirtyFile(document: vscode.TextDocument): string {
var dirtyFilePath = path.normalize(path.join(os.tmpdir(), 'vscodenimdirty.nim'));
fs.writeFileSync(dirtyFilePath, document.getText());
return dirtyFilePath;
}
export function isProjectMode(): boolean {
return _projects.length > 0;
}
export function getProjects(): string[] {
return _projects;
}
export function prepareConfig(): void {
let config = vscode.workspace.getConfiguration('nim');
let projects = config['project'];
_projects = [];
if (projects) {
if (projects instanceof Array) {
projects.forEach((project) => {
_projects.push(toLocalFile(project));
});
} else {
_projects.push(toLocalFile(projects));
}
}
}
export function getBinPath(tool: string): string {
if (_pathesCache[tool]) return _pathesCache[tool];
if (process.env['PATH']) {
var pathparts = (<string>process.env.PATH).split((<any>path).delimiter);
_pathesCache[tool] = pathparts.map(dir => path.join(dir, correctBinname(tool))).filter(candidate => fs.existsSync(candidate))[0];
if (process.platform !== 'win32') {
try {
let nimPath;
if (process.platform === 'darwin') {
nimPath = cp.execFileSync('readlink', [_pathesCache[tool]]).toString().trim();
if (nimPath.length > 0 && !path.isAbsolute(nimPath)) {
nimPath = path.normalize(path.join(path.dirname(_pathesCache[tool]), nimPath));
}
} else if (process.platform === 'linux') {
nimPath = cp.execFileSync('readlink', ['-f', _pathesCache[tool]]).toString().trim();
} else {
nimPath = cp.execFileSync('readlink', [_pathesCache[tool]]).toString().trim();
}
if (nimPath.length > 0) {
_pathesCache[tool] = nimPath;
}
} catch (e) {
// ignore exception
}
}
}
return _pathesCache[tool];
}
export function correctBinname(binname: string): string {
if (process.platform === 'win32') {
return binname + '.exe';
} else {
return binname;
}
}
export function removeDirSync(p: string): void {
if (fs.existsSync(p)) {
fs.readdirSync(p).forEach((file, index) => {
var curPath = path.resolve(p, file);
if (fs.lstatSync(curPath).isDirectory()) {
removeDirSync(curPath);
} else {
fs.unlinkSync(curPath);
}
});
fs.rmdirSync(p);
}
}