CliFx/CliFx/Formatting/CommandInputConsoleFormatter.cs

using System;
using CliFx.Infrastructure;
using CliFx.Input;

namespace CliFx.Formatting;

internal class CommandInputConsoleFormatter : ConsoleFormatter
{
    public CommandInputConsoleFormatter(ConsoleWriter consoleWriter)
        : base(consoleWriter)
    {
    }

    private void WriteCommandLineArguments(CommandInput commandInput)
    {
        Write("Command-line:");
        WriteLine();

        WriteHorizontalMargin();

        // Command name
        if (!string.IsNullOrWhiteSpace(commandInput.CommandName))
        {
            Write(ConsoleColor.Cyan, commandInput.CommandName);
            Write(' ');
        }

        // Parameters
        foreach (var parameterInput in commandInput.Parameters)
        {
            Write('<');
            Write(ConsoleColor.White, parameterInput.Value);
            Write('>');
            Write(' ');
        }

        // Options
        foreach (var optionInput in commandInput.Options)
        {
            Write('[');

            // Identifier
            Write(ConsoleColor.White, optionInput.GetFormattedIdentifier());

            // Value(s)
            foreach (var value in optionInput.Values)
            {
                Write(' ');
                Write('"');
                Write(value);
                Write('"');
            }

            Write(']');
            Write(' ');
        }

        WriteLine();
    }

    private void WriteEnvironmentVariables(CommandInput commandInput)
    {
        Write("Environment:");
        WriteLine();

        // Environment variables
        foreach (var environmentVariableInput in commandInput.EnvironmentVariables)
        {
            WriteHorizontalMargin();

            // Name
            Write(ConsoleColor.White, environmentVariableInput.Name);

            Write('=');

            // Value
            Write('"');
            Write(environmentVariableInput.Value);
            Write('"');

            WriteLine();
        }
    }

    public void WriteCommandInput(CommandInput commandInput)
    {
        WriteCommandLineArguments(commandInput);
        WriteLine();
        WriteEnvironmentVariables(commandInput);
    }
}

internal static class CommandInputConsoleFormatterExtensions
{
    public static void WriteCommandInput(this ConsoleWriter consoleWriter, CommandInput commandInput) =>
        new CommandInputConsoleFormatter(consoleWriter).WriteCommandInput(commandInput);
}