Added improved CLI structure.

.gitignore

@@ -1 +1,2 @@
 build/
+cli*

gymboard-cli/build.d

@@ -0,0 +1,39 @@
+#!/usr/bin/env rdmd
+/**
+ * Run this script with `./build.d` to prepare the latest version of the CLI
+ * for use. It compiles the CLI application, and copies a "cli" executable to
+ * the project's root directory for use.
+ */
+module build;
+
+import std.stdio;
+import std.process;
+import std.file;
+import std.path;
+
+int main() {
+    writeln("Building...");
+    auto result = executeShell("dub build --build=release");
+    if (result.status != 0) {
+        stderr.writefln!"Build failed: %d"(result.status);
+        stderr.writeln(result.output);
+        return result.status;
+    }
+    string finalPath = buildPath("..", "cli");
+    if (exists(finalPath)) std.file.remove(finalPath);
+    version (Posix) {
+        string sourceExecutable = "gymboard-cli";
+    }
+    version (Windows) {
+        string sourceExecutable = "gymboard-cli.exe";
+    }
+    std.file.copy(sourceExecutable, finalPath);
+    version (Posix) {
+        result = executeShell("chmod +x " ~ finalPath);
+        if (result.status != 0) {
+            stderr.writefln!"Failed to enable executable permission: %d"(result.status);
+            return result.status;
+        }
+    }
+    return 0;
+}

gymboard-cli/source/app.d

@@ -1,6 +1,7 @@
 import std.stdio;
 
 import cli;
+import command;
 import services;
 
 import consolecolors;
@@ -9,11 +10,12 @@ void main() {
 	ServiceManager serviceManager = new ServiceManager();
 	CliHandler cliHandler = new CliHandler();
 	cliHandler.register("service", new ServiceCommand(serviceManager));
-	cwriteln("Gymboard CLI: Type <cyan>help</cyan> for more information. Type <red>exit</red> to exit the CLI.");
-	while (!cliHandler.shouldExit) {
+	cwriteln("\n<blue>Gymboard CLI</blue>: <grey>Command-line interface for managing Gymboard services.</grey>");
+	cwriteln("  Type <cyan>help</cyan> for more information.\n  Type <red>exit</red> to exit the CLI.\n");
+	while (!cliHandler.isExitRequested) {
 		cwrite("&gt; ".blue);
 		cliHandler.readAndHandleCommand();
 	}
 	serviceManager.stopAll();
-	cwriteln("Goodbye!".green);
+	cwriteln("Goodbye!".blue);
 }

gymboard-cli/source/cli.d

@@ -7,45 +7,7 @@ import std.typecons;
 
 import consolecolors;
 
-interface CliCommand {
-    void handle(string[] args);
-}
-
-class CliHandler {
-    private CliCommand[string] commands;
-    public bool shouldExit = false;
-
-    public void register(string name, CliCommand command) {
-        this.commands[name] = command;
-    }
-
-    public void readAndHandleCommand() {
-        string[] commandAndArgs = readln().strip().split!isWhite();
-        if (commandAndArgs.length == 0) return;
-        string command = commandAndArgs[0].toLower();
-        if (command == "help") {
-            showHelp();
-        } else if (command == "exit") {
-            shouldExit = true;
-        } else if (command in commands) {
-            commands[command].handle(commandAndArgs.length > 1 ? commandAndArgs[1 .. $] : []);
-        } else {
-            cwritefln("Unknown command: %s".red, command.orange);
-        }
-    }
-}
-
-void showHelp() {
-    writeln(q"HELP
-Gymboard CLI: A tool for streamlining development.
-
-Commands:
-
-help                    Shows this message.
-exit                    Exits the CLI, stopping any running services.
-HELP");
-}
-
+import command.base;
 import services;
 
 class ServiceCommand : CliCommand {
@@ -86,6 +48,14 @@ class ServiceCommand : CliCommand {
         }
     }
 
+    string name() const {
+        return "Service";
+    }
+
+    string description() const {
+        return "bleh";
+    }
+
     /** 
      * Validates that a service command contains as its second argument a valid
      * service name.

gymboard-cli/source/command/base.d

@@ -0,0 +1,102 @@
+module command.base;
+
+import consolecolors;
+import std.stdio;
+import std.string;
+import std.uni;
+
+interface CliCommand {
+    void handle(string[] args);
+    string name() const;
+    string description() const;
+}
+
+class CliHandler {
+    private CliCommand[string] commands;
+    private bool exitRequested = false;
+
+    this() {
+        commands["help"] = new HelpCommand(this);
+        commands["exit"] = new ExitCommand(this);
+    }
+
+    void register(string name, CliCommand command) {
+        this.commands[name.strip().toLower()] = command;
+    }
+
+    void readAndHandleCommand() {
+        string[] commandAndArgs = readln().strip().split!isWhite();
+        if (commandAndArgs.length == 0) return;
+        string command = commandAndArgs[0].toLower();
+        if (command in commands) {
+            commands[command].handle(commandAndArgs.length > 1 ? commandAndArgs[1 .. $] : []);
+        } else {
+            cwritefln("Unknown command: %s".red, command.orange);
+        }
+    }
+
+    void setExitRequested() {
+        this.exitRequested = true;
+    }
+
+    bool isExitRequested() const {
+        return this.exitRequested;
+    }
+
+    CliCommand[string] getCommands() {
+        return this.commands;
+    }
+}
+
+class HelpCommand : CliCommand {
+    private CliHandler handler;
+
+    this(CliHandler handler) {
+        this.handler = handler;
+    }
+
+    void handle(string[] args) {
+        import std.algorithm;
+
+        cwriteln("<blue>Gymboard CLI Help</blue>: <grey>Information about how to use this program.</grey>");
+
+        string[] commandNames = this.handler.getCommands().keys;
+        sort(commandNames);
+        uint longestCommandNameLength = commandNames.map!(n => cast(uint) n.length).maxElement;
+
+        foreach (name; commandNames) {
+            CliCommand command = this.handler.getCommands()[name];
+
+            string formattedName = cyan(leftJustify(name, longestCommandNameLength + 1, ' '));
+            cwriteln(formattedName, command.description().grey);
+        }
+    }
+
+    string name() const {
+        return "help";
+    }
+
+    string description() const {
+        return "Shows help information.";
+    }
+}
+
+class ExitCommand : CliCommand {
+    private CliHandler handler;
+
+    this(CliHandler handler) {
+        this.handler = handler;
+    }
+
+    void handle(string[] args) {
+        this.handler.setExitRequested();
+    }
+
+    string name() const {
+        return "exit";
+    }
+
+    string description() const {
+        return "Exits the CLI, gracefully stopping any services or running jobs.";
+    }
+}

gymboard-cli/source/command/package.d

@@ -0,0 +1,3 @@
+module command;
+
+public import command.base;