Asm89\Twig\Lint\Command\LintCommand::execute PHP Method

    protected function execute(InputInterface $input, CliOutputInterface $output)
    {
        $twig = new StubbedEnvironment(new \Twig_Loader_String());
        $template = null;
        $filename = $input->getArgument('filename');
        $exclude = $input->getOption('exclude');
        $summary = $input->getOption('summary');
        $output = $this->getOutput($output, $input->getOption('format'));
        if (!$filename) {
            if (0 !== ftell(STDIN)) {
                throw new \RuntimeException("Please provide a filename or pipe template content to stdin.");
            }
            while (!feof(STDIN)) {
                $template .= fread(STDIN, 1024);
            }
            return $this->validateTemplate($twig, $output, $template);
        }
        if (!is_readable($filename)) {
            throw new \RuntimeException(sprintf('File or directory "%s" is not readable', $filename));
        }
        $files = array();
        if (is_file($filename)) {
            $files = array($filename);
        } elseif (is_dir($filename)) {
            $files = Finder::create()->files()->in($filename)->name('*.twig')->filter(function (\SplFileInfo $file) use($exclude) {
                foreach ($exclude as $excludeItem) {
                    if (1 === preg_match('#' . $excludeItem . '#', $file->getRealPath())) {
                        return false;
                    }
                }
                return true;
            });
        }
        $onlyPrintErrors = $input->getOption('only-print-errors');
        $errors = 0;
        $linted = 0;
        foreach ($files as $file) {
            $linted++;
            $errors += $this->validateTemplate($twig, $output, file_get_contents($file), $file, $onlyPrintErrors);
        }
        $stats = array('total' => count($files), 'linted' => $linted, 'errors' => $errors);
        if ($summary) {
            $output->summary($stats);
        }
        return $errors > 0 ? 1 : 0;
    }