WIP : Manage command with multiple arguments

src/Application.php

@@ -200,6 +200,11 @@ public function add(Command $command, string $alias = '', bool $default = false)
 
         $this->commands[$name] = $command->version($this->version)->onExit($this->onExit)->bind($this);
 
+        if (method_exists($command, "getSubCommands")) {
+            foreach ($command->getSubCommands() as $subcommand) {
+                $this->add($subcommand);
+            }
+        }
         return $this;
     }
 
@@ -259,10 +264,26 @@ public function group(string $group, callable $fn): self
     public function commandFor(array $argv): Command
     {
         $argv += [null, null, null];
+        $command = null;
+
+        //sort by key length
+        //find maximal command compatibility by arguments
+        $keys = array_map('strlen', array_keys($this->commands));
+        array_multisort($keys, SORT_ASC, $this->commands);
+
+        foreach ($this->commands as $command_name => $value) {
+            $nb_args = count(explode(' ', $command_name));
+            $args    = implode(' ', array_slice($argv, 1, $nb_args));
+            if (!empty($this->commands[$args])) {
+                $command = $this->commands[$args];
+            }
+        }
 
         return
+            //cmd found by multi arguments
+            $command
             // cmd
-            $this->commands[$argv[1]]
+            ?? $this->commands[$argv[1]]
             // cmd alias
             ?? $this->commands[$this->aliases[$argv[1]] ?? null]
             // default.

src/Input/Command.php

@@ -450,4 +450,19 @@ protected function progress(?int $total = null): ProgressBar
     {
         return new ProgressBar($total, $this->writer());
     }
+
+
+    /**
+     * Get all related subCommands
+     *
+     * by default is an empty array
+     * could be populated by any way
+     * Return is an array[Command]
+     *
+     * @return array Command
+     */
+    public function getSubCommands(): Array
+    {
+        return [];
+    }
 }