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/*----------------------------------------------------------

This Source Code Form is subject to the terms of the

Mozilla Public License, v.2.0. If a copy of the MPL

was not distributed with this file, You can obtain one

at http://mozilla.org/MPL/2.0/.

----------------------------------------------------------*/

using System;

using System.Collections.Generic;

using System.Linq;

using System.Reflection;

using System.Text;

namespace oscript

{

internal class ShowUsageBehavior : AppBehavior

{

public override int Execute()

{

Output.WriteLine($"1Script Execution Engine. Version {Assembly.GetExecutingAssembly().GetName().Version}");

Output.WriteLine();

Output.WriteLine("Usage:");

Output.WriteLine();

Output.WriteLine("I. Script execution: oscript.exe <script_path> [script arguments..]");

Output.WriteLine();

Output.WriteLine("II. Special mode: oscript.exe <mode> <script_path> [script arguments..]");

Output.WriteLine("Mode can be one of these:");

Output.WriteLine($" {"-measure",-12}measures execution time");

Output.WriteLine($" {"-compile",-12}shows compiled module without execution");

Output.WriteLine($" {"-check [-env=<entrypoint-file>]",-12}provides syntax check");

Output.WriteLine($" {"-check -cgi",-12}provides syntax check in CGI-mode");

Output.WriteLine($" {"-version",-12}output version string");

Output.WriteLine();

Output.WriteLine(" -encoding=<encoding-name> set output encoding");

Output.WriteLine(" -codestat=<filename> write code statistics");

Output.WriteLine();

Output.WriteLine("III. Build standalone executable: oscript.exe -make <script_path> <output_exe>");

Output.WriteLine(" Builds a standalone executable module based on script specified");

Output.WriteLine();

Output.WriteLine("IV. Run as CGI application: oscript.exe -cgi <script_path> [script arguments..]");

Output.WriteLine(" Runs as CGI application under HTTP-server (Apache/Nginx/IIS/etc...)");

return 0;

}

}

}