C# CommandLine.Parser类代码示例

        public void Failed_verb_parsing_prints_particular_help_screen()
        {
            string invokedVerb = null;
            object invokedVerbInstance = null;

            var options = new OptionsWithVerbsHelp();
            var testWriter = new StringWriter();
            ReflectionHelper.AssemblyFromWhichToPullInformation = Assembly.GetExecutingAssembly();
            var parser = new CommandLine.Parser(with => with.HelpWriter = testWriter);
            var result = parser.ParseArguments(new string[] { "clone", "--no_hardlinks" }, options,
                (verb, subOptions) =>
                    {
                        invokedVerb = verb;
                        invokedVerbInstance = subOptions;
                    });

            result.Should().BeFalse();

            var helpText = testWriter.ToString();
            Console.WriteLine(helpText);
            var lines = helpText.Split(new string[] { Environment.NewLine }, StringSplitOptions.RemoveEmptyEntries);
            // Verify just significant output
            lines[5].Trim().Should().Be("--no-hardlinks    Optimize the cloning process from a repository on a local");
            lines[6].Trim().Should().Be("filesystem by copying files.");
            lines[7].Trim().Should().Be("-q, --quiet       Suppress summary message.");

            invokedVerb.Should().Be("clone");
            invokedVerbInstance.Should().Be(null);
        }

    static void Main(string[] args)
    {
      // Parse command line options
      var mpOptions = new CommandLineOptions();
      var parser = new CommandLine.Parser(with => with.HelpWriter = Console.Out);
      parser.ParseArgumentsStrict(args, mpOptions, () => Environment.Exit(1));

      List<string> products = new List<string>
      {
        "MediaPortal Setup TV", // Legacy folders for TVE3 support
        "MediaPortal TV Server", // Legacy folders for TVE3 support
        "MP2-Client",
        "MP2-Server",
        "MP2-ClientLauncher",
        "MP2-ServiceMonitor"
      };

      string dataPath = !string.IsNullOrEmpty(mpOptions.DataDirectory) ?
        mpOptions.DataDirectory :
        Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData);

      string outputPath = !string.IsNullOrEmpty(mpOptions.OutputDirectory) ?
        mpOptions.OutputDirectory :
        Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Desktop), "MediaPortal2-Logs");

      try
      {
        CollectLogFiles(dataPath, outputPath, products);
      }
      catch (Exception ex)
      {
        Console.WriteLine("Exception while collecting log files: {0}", ex);
      }
    }

        /// <summary>
        /// 应用程序入口
        /// </summary>
        /// <param name="args">命令行参数</param>
        static void Main(string[] args)
        {
            System.DateTime startTime = System.DateTime.Now;

            //-- 分析命令行参数
            var options = new Options();
            var parser = new CommandLine.Parser(with => with.HelpWriter = Console.Error);

            if (parser.ParseArgumentsStrict(args, options, () => Environment.Exit(-1)))
            {
                //-- 执行导出操作
                try
                {
                    Run(options);
                }
                catch (Exception exp)
                {
                    Console.WriteLine("Error: " + exp.Message);
                }
            }

            //-- 程序计时
            System.DateTime endTime = System.DateTime.Now;
            System.TimeSpan dur = endTime - startTime;
            Console.WriteLine(
                string.Format("[{0}]：\t转换完成[{1}毫秒].",
                Path.GetFileName(options.ExcelPath),
                dur.Milliseconds)
                );
        }

        public void Parse_verbs_create_instance()
        {
            string invokedVerb = null;
            object invokedVerbInstance = null;

            var options = new OptionsWithVerbs();
            options.AddVerb.Should().BeNull();

            var parser = new CommandLine.Parser();
            var result = parser.ParseArguments(new string[] {"add", "-p", "untracked.bin"} , options,
                (verb, subOptions) =>
                {
                    invokedVerb = verb;
                    invokedVerbInstance = subOptions;
                });

            result.Should().BeTrue();

            invokedVerb.Should().Be("add");
            invokedVerbInstance.Should().BeOfType<AddSubOptions>();

            // Parser has built instance for us
            options.AddVerb.Should().NotBeNull();
            options.AddVerb.CreationProof.Should().NotHaveValue();
            options.AddVerb.Patch.Should().BeTrue();
            options.AddVerb.FileName[0].Should().Be("untracked.bin");
        }

        public void Parse_verbs_using_instance()
        {
            string invokedVerb = null;
            object invokedVerbInstance = null;

            var proof = new Random().Next(int.MaxValue);
            var options = new OptionsWithVerbs();
            options.CommitVerb.Should().NotBeNull();
            options.CommitVerb.CreationProof = proof;

            var parser = new CommandLine.Parser();
            var result = parser.ParseArguments(new string[] { "commit", "--amend" }, options,
                (verb, subOptions) =>
                {
                    invokedVerb = verb;
                    invokedVerbInstance = subOptions;
                });

            result.Should().BeTrue();

            invokedVerb.Should().Be("commit");
            invokedVerbInstance.Should().BeOfType<CommitSubOptions>();

            // Check if the instance is the one provider by us (not by the parser)
            options.CommitVerb.CreationProof.Should().Be(proof);
            options.CommitVerb.Amend.Should().BeTrue();
        }

        static void Main(string[] args)
        {
            Console.WriteLine("MetadataGenerator " + args.ToAggregateString(" "));
            var parser = new CommandLine.Parser(ps => { ps.MutuallyExclusive = true; ps.HelpWriter = Console.Out; });

            if (!parser.ParseArguments(args, Options))
            {
                return;
            }
            var assemblyName = GetAssemblyName(Options.InputFile);

            if (!File.Exists(assemblyName))
            {
                Console.WriteLine("The specified file {0} cannot be found", assemblyName);
                return;
            }

            var dbContextTypes = GetDbContextTypesFromAssembly(assemblyName);

            if (dbContextTypes.Length == 1 || Options.TypeName != null)
            {
                if (Options.TypeName != null)
                {
                    try
                    {
                        var type = dbContextTypes.SingleOrDefault(t => t.Name == Options.TypeName || t.FullName == Options.TypeName);
                        if (type != null)
                        {
                            ProcessType(type, Options.OutputFile ?? Options.TypeName + ".json");
                        }
                        else
                        {
                            Console.WriteLine("The type specified {0} can not be found in the assembly {1}",
                                              Options.TypeName, assemblyName);
                        }
                    }
                    catch (InvalidOperationException)
                    {
                        Console.WriteLine("There are several types named {0} in the assembly {1}",
                                          Options.TypeName, assemblyName);
                    }
                    catch (Exception ex)
                    {
                        Console.WriteLine(ex);
                    }
                }
                else
                {
                    var type = dbContextTypes.First();
                    ProcessType(type, Options.OutputFile ?? type.FullName + ".json");
                }
            }
            else
            {
                // Hadle multitype scenario.
                //foreach (var type in dbContextTypes) {
                //}
            }
        }

        public void Passing_no_value_to_a_nullable_integer_option_fails()
        {
            var options = new NullableTypesOptions();
            var parser = new CommandLine.Parser();
            var result = parser.ParseArguments(new string[] { "-int" }, options);

            result.Should().BeFalse();
        }

        public void Parsing_two_mutually_exclusive_options_fails()
        {
            var parser = new CommandLine.Parser(new ParserSettings { MutuallyExclusive = true });
            var options = new OptionsWithDefaultSet();
            var result = parser.ParseArguments(new string[] { "-i", "1", "--file=mystuff.xml" }, options);

            result.Should().BeFalse();
        }

        public void Parsing_mutually_exclusive_options_and_required_option_fails()
        {
            var options = new OptionsWithMultipleSetAndOneOption();
            var parser = new CommandLine.Parser(new ParserSettings { MutuallyExclusive = true });
            var result = parser.ParseArguments(new string[] { "-g167", "--hue", "205" }, options);

            result.Should().BeFalse();
        }

        public void Parsing_one_mutually_exclusive_option_succeeds()
        {
            var options = new OptionsWithDefaultSet();
            var parser = new CommandLine.Parser(new ParserSettings {MutuallyExclusive = true});
            var result = parser.ParseArguments(new string[] { "--file=mystuff.xml" }, options);

            result.Should().BeTrue();
            options.FileName.Should().Be("mystuff.xml");
        }

        public void Value_list_with_max_elem_outside_bounds()
        {
            var options = new OptionsWithValueListMaximumThree();
            var parser = new CommandLine.Parser();
            var result = parser.ParseArguments(
                    new string[] { "file.a", "file.b", "file.c", "file.d" }, options);

            result.Should().BeFalse();
        }

        public void Allow_single_dash_as_option_input_value()
        {
            var options = new SimpleOptions();
            var parser = new CommandLine.Parser();
            var result = parser.ParseArguments(new string[] { "--string", "-" }, options);

            result.Should().BeTrue();
            options.StringValue.Should().Be("-");
        }

        public void Parse_string_array_option_using_long_name_with_equal_sign()
        {
            var options = new SimpleOptionsWithArray();
            var parser = new CommandLine.Parser();
            var result = parser.ParseArguments(new string[] { "--strarr=apple", "kiwi" }, options);

            result.Should().BeTrue();
            base.ElementsShouldBeEqual(new string[] { "apple", "kiwi" }, options.StringArrayValue);
        }

        public void Parse_string_array_option_using_short_name()
        {
            var options = new SimpleOptionsWithArray();
            var parser = new CommandLine.Parser();
            var result = parser.ParseArguments(new string[] { "-z", "alfa", "beta", "gamma" }, options);

            result.Should().BeTrue();
            base.ElementsShouldBeEqual(new string[] { "alfa", "beta", "gamma" }, options.StringArrayValue);
        }

        public void Between_value_options_order_matters()
        {
            var options = new SimpleOptionsWithValueOptionAndValueList();
            var parser = new CommandLine.Parser();
            var result = parser.ParseArguments(
                new string[] { "4321", "ofvalueoption", "-1234", "forvaluelist1", "forvaluelist2", "forvaluelist3" }, options);

            result.Should().BeFalse();
        }