74 lines
2.7 KiB
TypeScript
74 lines
2.7 KiB
TypeScript
//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// Allows for executing a program with command-line arguments and reading the result
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interface IExec {
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exec: (fileName: string, cmdLineArgs: string[], handleResult: (ExecResult: ExecResult) => void) => void;
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}
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class ExecResult {
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public stdout = "";
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public stderr = "";
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public exitCode: number;
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}
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class WindowsScriptHostExec implements IExec {
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public exec(fileName: string, cmdLineArgs: string[], handleResult: (ExecResult: ExecResult) => void) : void {
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var result = new ExecResult();
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var shell = new ActiveXObject('WScript.Shell');
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try {
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var process = shell.Exec(fileName + ' ' + cmdLineArgs.join(' '));
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} catch(e) {
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result.stderr = e.message;
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result.exitCode = 1
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handleResult(result);
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return;
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}
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// Wait for it to finish running
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while (process.Status != 0) { /* todo: sleep? */ }
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result.exitCode = process.ExitCode;
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if(!process.StdOut.AtEndOfStream) result.stdout = process.StdOut.ReadAll();
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if(!process.StdErr.AtEndOfStream) result.stderr = process.StdErr.ReadAll();
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handleResult(result);
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}
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}
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class NodeExec implements IExec {
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public exec(fileName: string, cmdLineArgs: string[], handleResult: (ExecResult: ExecResult) => void) : void {
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var nodeExec = require('child_process').exec;
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var result = new ExecResult();
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result.exitCode = null;
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var cmdLine = fileName + ' ' + cmdLineArgs.join(' ');
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var process = nodeExec(cmdLine, function(error: any, stdout: string, stderr: string) {
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result.stdout = stdout;
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result.stderr = stderr;
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result.exitCode = error ? error.code : 0;
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handleResult(result);
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});
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}
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}
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var Exec: IExec = function() : IExec {
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var global = <any>Function("return this;").call(null);
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if(typeof global.ActiveXObject !== "undefined") {
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return new WindowsScriptHostExec();
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} else {
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return new NodeExec();
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}
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}(); |