[TwigBridge] Added support for json format in twig:lint command
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@ -11,8 +11,13 @@
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namespace Symfony\Bridge\Twig\Command;
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if (!defined('JSON_PRETTY_PRINT')) {
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define('JSON_PRETTY_PRINT', 128);
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}
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use Symfony\Component\Console\Command\Command;
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use Symfony\Component\Console\Input\InputInterface;
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use Symfony\Component\Console\Input\InputOption;
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use Symfony\Component\Console\Output\OutputInterface;
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use Symfony\Component\Finder\Finder;
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@ -56,6 +61,7 @@ class LintCommand extends Command
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{
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$this
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->setDescription('Lints a template and outputs encountered errors')
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->addOption('format', null, InputOption::VALUE_REQUIRED, 'The output format', 'txt')
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->addArgument('filename')
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->setHelp(<<<EOF
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The <info>%command.name%</info> command lints a template and outputs to STDOUT
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@ -68,6 +74,7 @@ You can validate the syntax of a file:
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Or of a whole directory:
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<info>php %command.full_name% dirname</info>
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<info>php %command.full_name% dirname --format=json</info>
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You can also pass the template contents from STDIN:
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@ -80,7 +87,6 @@ EOF
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protected function execute(InputInterface $input, OutputInterface $output)
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{
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$twig = $this->getTwigEnvironment();
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$template = null;
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$filename = $input->getArgument('filename');
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if (!$filename) {
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@ -88,21 +94,20 @@ EOF
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throw new \RuntimeException("Please provide a filename or pipe template content to STDIN.");
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}
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$template = '';
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while (!feof(STDIN)) {
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$template .= fread(STDIN, 1024);
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}
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return $this->validateTemplate($twig, $output, $template);
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return $this->display($input, $output, array($this->validate($twig, $template)));
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}
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$files = $this->findFiles($filename);
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$errors = 0;
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foreach ($files as $file) {
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$errors += $this->validateTemplate($twig, $output, file_get_contents($file), $file);
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$filesInfo = array();
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foreach ($this->findFiles($filename) as $file) {
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$filesInfo[] = $this->validate($twig, file_get_contents($file), $file);
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}
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return $errors > 0 ? 1 : 0;
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return $this->display($input, $output, $filesInfo);
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}
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protected function findFiles($filename)
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@ -116,24 +121,69 @@ EOF
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throw new \RuntimeException(sprintf('File or directory "%s" is not readable', $filename));
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}
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protected function validateTemplate(\Twig_Environment $twig, OutputInterface $output, $template, $file = null)
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private function validate(\Twig_Environment $twig, $template, $file = null)
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{
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try {
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$twig->parse($twig->tokenize($template, $file ? (string) $file : null));
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$output->writeln('<info>OK</info>'.($file ? sprintf(' in %s', $file) : ''));
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} catch (\Twig_Error $e) {
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$this->renderException($output, $template, $e, $file);
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return 1;
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return array('template' => $template, 'file' => $file, 'valid' => false, 'exception' => $e);
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}
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return 0;
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return array('template' => $template, 'file' => $file, 'valid' => true);
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}
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protected function renderException(OutputInterface $output, $template, \Twig_Error $exception, $file = null)
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private function display(InputInterface $input, OutputInterface $output, $files)
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{
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switch ($input->getOption('format')) {
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case 'txt':
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return $this->displayTxt($output, $files);
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case 'json':
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return $this->displayJson($output, $files);
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default:
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throw new \InvalidArgumentException(sprintf('The format "%s" is not supported.', $input->getOption('format')));
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}
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}
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private function displayTxt(OutputInterface $output, $filesInfo)
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{
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$errors = 0;
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foreach ($filesInfo as $info) {
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if ($info['valid'] && $output->isVerbose()) {
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$output->writeln('<info>OK</info>'.($info['file'] ? sprintf(' in %s', $info['file']) : ''));
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} elseif (!$info['valid']) {
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$errors++;
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$this->renderException($output, $info['template'], $info['exception'], $info['file']);
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}
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}
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$output->writeln(sprintf('<comment>%d/%d valid files</comment>', count($filesInfo) - $errors, count($filesInfo)));
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return min($errors, 1);
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}
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private function displayJson(OutputInterface $output, $filesInfo)
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{
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$errors = 0;
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array_walk($filesInfo, function (&$v) use (&$errors) {
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$v['file'] = (string) $v['file'];
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unset($v['template']);
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if (!$v['valid']) {
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$v['message'] = $v['exception']->getMessage();
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unset($v['exception']);
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$errors++;
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}
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});
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$output->writeln(json_encode($filesInfo, JSON_PRETTY_PRINT));
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return min($errors, 1);
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}
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private function renderException(OutputInterface $output, $template, \Twig_Error $exception, $file = null)
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{
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$line = $exception->getTemplateLine();
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$lines = $this->getContext($template, $line);
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if ($file) {
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$output->writeln(sprintf("<error>KO</error> in %s (line %s)", $file, $line));
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@ -141,7 +191,7 @@ EOF
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$output->writeln(sprintf("<error>KO</error> (line %s)", $line));
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}
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foreach ($lines as $no => $code) {
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foreach ($this->getContext($template, $line) as $no => $code) {
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$output->writeln(sprintf(
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"%s %-6s %s",
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$no == $line ? '<error>>></error>' : ' ',
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@ -154,7 +204,7 @@ EOF
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}
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}
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protected function getContext($template, $line, $context = 3)
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private function getContext($template, $line, $context = 3)
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{
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$lines = explode("\n", $template);
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@ -11,9 +11,10 @@
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namespace Symfony\Bridge\Twig\Tests\Command;
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use Symfony\Component\Console\Tester\CommandTester;
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use Symfony\Component\Console\Application;
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use Symfony\Bridge\Twig\Command\LintCommand;
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use Symfony\Component\Console\Application;
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use Symfony\Component\Console\Output\OutputInterface;
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use Symfony\Component\Console\Tester\CommandTester;
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/**
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* @covers \Symfony\Bridge\Twig\Command\LintCommand
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@ -27,7 +28,7 @@ class LintCommandTest extends \PHPUnit_Framework_TestCase
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$tester = $this->createCommandTester();
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$filename = $this->createFile('{{ foo }}');
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$ret = $tester->execute(array('filename' => $filename));
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$ret = $tester->execute(array('filename' => $filename), array('verbosity' => OutputInterface::VERBOSITY_VERBOSE));
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$this->assertEquals(0, $ret, 'Returns 0 in case of success');
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$this->assertRegExp('/^OK in /', $tester->getDisplay());
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