Add a way to dump all fixer + better doc

tools/phar/bin/jolitypo

@@ -13,11 +13,49 @@ use Symfony\Component\Finder\Finder;
 require __DIR__ . '/../vendor/autoload.php';
 require __DIR__ . '/../../../vendor/autoload.php';
 
+$help = <<<EOTXT
+
+JoliTypo is a tool fixing Microtypography glitches inside your HTML content.
+
+# Usages
+
+## Get the list of all available fixers:
+
+<comment>%command.name% --list-rules foo bar</>
+
+## Run the fixer on one file
+
+<comment>%command.name% fr_FR index.html</>
+
+## Run the fixer on one directory
+
+<comment>%command.name% fr_FR directory/</>
+
+## Specify some rules:
+
+<comment>%command.name% fr_FR index.html --rule=FrenchQuotes --rule=Dash</>
+
+EOTXT;
+
 (new SingleCommandApplication('JoliTypo'))
     ->addArgument('locale', InputArgument::REQUIRED, 'Locale of the content to fix.')
     ->addArgument('path', InputArgument::REQUIRED, 'Path of file(s) to fix.')
     ->addOption('rule', null, InputOption::VALUE_IS_ARRAY | InputOption::VALUE_REQUIRED, 'Rules used to fix the content')
+    ->addOption('list-rules', null, InputOption::VALUE_NONE, 'List available rules')
+    ->setHelp($help)
     ->setCode(function (InputInterface $input, OutputInterface $output): int {
+        $io = new SymfonyStyle($input, $output);
+
+        if ($input->getOption('list-rules')) {
+            $list = [];
+            foreach ((new Finder())->in(__DIR__ . '/../../../src/JoliTypo/Fixer')->sortByName()->files() as $file) {
+                $list[] = $file->getFilenameWithoutExtension();
+            }
+            $io->listing($list);
+
+            return 0;
+        }
+
         static $recommendedRulesByLocale = [
             'en_GB' => ['Ellipsis', 'Dimension', 'Unit', 'Dash', 'SmartQuotes', 'NoSpaceBeforeComma', 'CurlyQuote', 'Hyphen', 'Trademark'],
             'fr_FR' => ['Ellipsis', 'Dimension', 'Unit', 'Dash', 'SmartQuotes', 'FrenchNoBreakSpace', 'NoSpaceBeforeComma', 'CurlyQuote', 'Hyphen', 'Trademark'],
@@ -37,7 +75,6 @@ require __DIR__ . '/../../../vendor/autoload.php';
             $rules = $recommendedRulesByLocale[$locale];
         }
 
-        $io = new SymfonyStyle($input, $output);
 
         $fixer = new Fixer($rules);
         $fixer->setLocale($locale);