Add EmailValidator

src/CliProgram/Validation/Validators/EmailValidator.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace jrosset\CliProgram\Validation\Validators;
+
+/**
+ * An argument/option value validator expecting an email address
+ */
+class EmailValidator implements IValidator {
+    use TInternalValueValidator;
+    use TIdenticalValidDefaultValidator;
+
+    /**
+     * @inheritDoc
+     */
+    public function validate (mixed $value): bool {
+        if (!filter_var($value, FILTER_VALIDATE_EMAIL)) {
+            return false;
+        }
+
+        $this->setValue($value);
+        return true;
+    }
+}

tests/Commands/Email.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace jrosset\Tests\Commands;
+
+use jrosset\CliProgram\Validation\CommandWithValidation;
+use jrosset\CliProgram\Validation\Validators\EmailValidator;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class Email extends CommandWithValidation {
+    /**
+     * @inheritDoc
+     */
+    protected function configure () {
+        parent::configure();
+
+        $this->addArgument(
+            'email',
+            InputArgument::REQUIRED,
+            'The email address',
+            null,
+            new EmailValidator()
+        );
+    }
+    /**
+     * @inheritDoc
+     */
+    protected function execute (InputInterface $input, OutputInterface $output): int {
+        $output->writeln('<info>' . $input->getArgument('email') . '</info>');
+        return Command::SUCCESS;
+    }
+}