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<?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. / namespace Symfony\Component\Console\Style; use Symfony\Component\Console\Exception\InvalidArgumentException; use Symfony\Component\Console\Exception\RuntimeException; use Symfony\Component\Console\Formatter\OutputFormatter; use Symfony\Component\Console\Helper\Helper; use Symfony\Component\Console\Helper\OutputWrapper; use Symfony\Component\Console\Helper\ProgressBar; use Symfony\Component\Console\Helper\SymfonyQuestionHelper; use Symfony\Component\Console\Helper\Table; use Symfony\Component\Console\Helper\TableCell; use Symfony\Component\Console\Helper\TableSeparator; use Symfony\Component\Console\Input\InputInterface; use Symfony\Component\Console\Output\ConsoleOutputInterface; use Symfony\Component\Console\Output\ConsoleSectionOutput; use Symfony\Component\Console\Output\OutputInterface; use Symfony\Component\Console\Output\TrimmedBufferOutput; use Symfony\Component\Console\Question\ChoiceQuestion; use Symfony\Component\Console\Question\ConfirmationQuestion; use Symfony\Component\Console\Question\Question; use Symfony\Component\Console\Terminal; /* * Output decorator helpers for the Symfony Style Guide. * * @author Kevin Bond <kevinbond@gmail.com> / class SymfonyStyle extends OutputStyle { public const MAX_LINE_LENGTH = 120; private InputInterface $input; private OutputInterface $output; private SymfonyQuestionHelper $questionHelper; private ProgressBar $progressBar; private int $lineLength; private TrimmedBufferOutput $bufferedOutput; public function __construct(InputInterface $input, OutputInterface $output) { $this->input = $input; $this->bufferedOutput = new TrimmedBufferOutput(\DIRECTORY_SEPARATOR === '\\' ? 4 : 2, $output->getVerbosity(), false, clone $output->getFormatter()); // Windows cmd wraps lines as soon as the terminal width is reached, whether there are following chars or not. $width = (new Terminal())->getWidth() ?: self::MAX_LINE_LENGTH; $this->lineLength = min($width - (int) (\DIRECTORY_SEPARATOR === '\\'), self::MAX_LINE_LENGTH); parent::__construct($this->output = $output); } /* * Formats a message as a block of text. * * @return void / public function block(string\|array $messages, ?string $type = null, ?string $style = null, string $prefix = ' ', bool $padding = false, bool $escape = true) { $messages = \is_array($messages) ? array_values($messages) : [$messages]; $this->autoPrependBlock(); $this->writeln($this->createBlock($messages, $type, $style, $prefix, $padding, $escape)); $this->newLine(); } /* * @return void / public function title(string $message) { $this->autoPrependBlock(); $this->writeln([ \sprintf('<comment>%s</>', OutputFormatter::escapeTrailingBackslash($message)), \sprintf('<comment>%s</>', str_repeat('=', Helper::width(Helper::removeDecoration($this->getFormatter(), $message)))), ]); $this->newLine(); } /* * @return void / public function section(string $message) { $this->autoPrependBlock(); $this->writeln([ \sprintf('<comment>%s</>', OutputFormatter::escapeTrailingBackslash($message)), \sprintf('<comment>%s</>', str_repeat('-', Helper::width(Helper::removeDecoration($this->getFormatter(), $message)))), ]); $this->newLine(); } /* * @return void / public function listing(array $elements) { $this->autoPrependText(); $elements = array_map(fn ($element) => \sprintf(' %s', $element), $elements); $this->writeln($elements); $this->newLine(); } /** * @return void / public function text(string\|array $message) { $this->autoPrependText(); $messages = \is_array($message) ? array_values($message) : [$message]; foreach ($messages as $message) { $this->writeln(\sprintf(' %s', $message)); } } /* * Formats a command comment. * * @return void / public function comment(string\|array $message) { $this->block($message, null, null, '<fg=default;bg=default> // </>', false, false); } /* * @return void / public function success(string\|array $message) { $this->block($message, 'OK', 'fg=black;bg=green', ' ', true); } /* * @return void / public function error(string\|array $message) { $this->block($message, 'ERROR', 'fg=white;bg=red', ' ', true); } /* * @return void / public function warning(string\|array $message) { $this->block($message, 'WARNING', 'fg=black;bg=yellow', ' ', true); } /* * @return void / public function note(string\|array $message) { $this->block($message, 'NOTE', 'fg=yellow', ' ! '); } /* * Formats an info message. * * @return void / public function info(string\|array $message) { $this->block($message, 'INFO', 'fg=green', ' ', true); } /* * @return void / public function caution(string\|array $message) { $this->block($message, 'CAUTION', 'fg=white;bg=red', ' ! ', true); } /* * @return void / public function table(array $headers, array $rows) { $this->createTable() ->setHeaders($headers) ->setRows($rows) ->render() ; $this->newLine(); } /* * Formats a horizontal table. * * @return void / public function horizontalTable(array $headers, array $rows) { $this->createTable() ->setHorizontal(true) ->setHeaders($headers) ->setRows($rows) ->render() ; $this->newLine(); } /* * Formats a list of key/value horizontally. * * Each row can be one of: * * 'A title' * * ['key' => 'value'] * * new TableSeparator() * * @return void / public function definitionList(string\|array\|TableSeparator ...$list) { $headers = []; $row = []; foreach ($list as $value) { if ($value instanceof TableSeparator) { $headers[] = $value; $row[] = $value; continue; } if (\is_string($value)) { $headers[] = new TableCell($value, ['colspan' => 2]); $row[] = null; continue; } if (!\is_array($value)) { throw new InvalidArgumentException('Value should be an array, string, or an instance of TableSeparator.'); } $headers[] = key($value); $row[] = current($value); } $this->horizontalTable($headers, [$row]); } public function ask(string $question, ?string $default = null, ?callable $validator = null): mixed { $question = new Question($question, $default); $question->setValidator($validator); return $this->askQuestion($question); } public function askHidden(string $question, ?callable $validator = null): mixed { $question = new Question($question); $question->setHidden(true); $question->setValidator($validator); return $this->askQuestion($question); } public function confirm(string $question, bool $default = true): bool { return $this->askQuestion(new ConfirmationQuestion($question, $default)); } public function choice(string $question, array $choices, mixed $default = null, bool $multiSelect = false): mixed { if (null !== $default) { $values = array_flip($choices); $default = $values[$default] ?? $default; } $questionChoice = new ChoiceQuestion($question, $choices, $default); $questionChoice->setMultiselect($multiSelect); return $this->askQuestion($questionChoice); } /* * @return void / public function progressStart(int $max = 0) { $this->progressBar = $this->createProgressBar($max); $this->progressBar->start(); } /* * @return void / public function progressAdvance(int $step = 1) { $this->getProgressBar()->advance($step); } /* * @return void / public function progressFinish() { $this->getProgressBar()->finish(); $this->newLine(2); unset($this->progressBar); } public function createProgressBar(int $max = 0): ProgressBar { $progressBar = parent::createProgressBar($max); if ('\\' !== \DIRECTORY_SEPARATOR \|\| 'Hyper' === getenv('TERM_PROGRAM')) { $progressBar->setEmptyBarCharacter('░'); // light shade character \u2591 $progressBar->setProgressCharacter(''); $progressBar->setBarCharacter('▓'); // dark shade character \u2593 } return $progressBar; } /* * @see ProgressBar::iterate() * * @template TKey * @template TValue * * @param iterable<TKey, TValue> $iterable * @param int\|null $max Number of steps to complete the bar (0 if indeterminate), if null it will be inferred from $iterable * * @return iterable<TKey, TValue> / public function progressIterate(iterable $iterable, ?int $max = null): iterable { yield from $this->createProgressBar()->iterate($iterable, $max); $this->newLine(2); } public function askQuestion(Question $question): mixed { if ($this->input->isInteractive()) { $this->autoPrependBlock(); } $this->questionHelper ??= new SymfonyQuestionHelper(); $answer = $this->questionHelper->ask($this->input, $this, $question); if ($this->input->isInteractive()) { if ($this->output instanceof ConsoleSectionOutput) { // add the new line of the `return` to submit the input to ConsoleSectionOutput, because ConsoleSectionOutput is holding all it's lines. // this is relevant when a `ConsoleSectionOutput::clear` is called. $this->output->addNewLineOfInputSubmit(); } $this->newLine(); $this->bufferedOutput->write("\n"); } return $answer; } /* * @return void / public function writeln(string\|iterable $messages, int $type = self::OUTPUT_NORMAL) { if (!is_iterable($messages)) { $messages = [$messages]; } foreach ($messages as $message) { parent::writeln($message, $type); $this->writeBuffer($message, true, $type); } } /* * @return void / public function write(string\|iterable $messages, bool $newline = false, int $type = self::OUTPUT_NORMAL) { if (!is_iterable($messages)) { $messages = [$messages]; } foreach ($messages as $message) { parent::write($message, $newline, $type); $this->writeBuffer($message, $newline, $type); } } /* * @return void / public function newLine(int $count = 1) { parent::newLine($count); $this->bufferedOutput->write(str_repeat("\n", $count)); } /* * Returns a new instance which makes use of stderr if available. */ public function getErrorStyle(): self { return new self($this->input, $this->getErrorOutput()); } public function createTable(): Table { $output = $this->output instanceof ConsoleOutputInterface ? $this->output->section() : $this->output; $style = clone Table::getStyleDefinition('symfony-style-guide'); $style->setCellHeaderFormat('<info>%s</info>'); return (new Table($output))->setStyle($style); } private function getProgressBar(): ProgressBar { return $this->progressBar ?? throw new RuntimeException('The ProgressBar is not started.'); } private function autoPrependBlock(): void { $chars = substr(str_replace(\PHP_EOL, "\n", $this->bufferedOutput->fetch()), -2); if (!isset($chars[0])) { $this->newLine(); // empty history, so we should start with a new line. return; } // Prepend new line for each non LF chars (This means no blank line was output before) $this->newLine(2 - substr_count($chars, "\n")); } private function autoPrependText(): void { $fetched = $this->bufferedOutput->fetch(); // Prepend new line if last char isn't EOL: if ($fetched && !str_ends_with($fetched, "\n")) { $this->newLine(); } } private function writeBuffer(string $message, bool $newLine, int $type): void { // We need to know if the last chars are PHP_EOL $this->bufferedOutput->write($message, $newLine, $type); } private function createBlock(iterable $messages, ?string $type = null, ?string $style = null, string $prefix = ' ', bool $padding = false, bool $escape = false): array { $indentLength = 0; $prefixLength = Helper::width(Helper::removeDecoration($this->getFormatter(), $prefix)); $lines = []; if (null !== $type) { $type = \sprintf('[%s] ', $type); $indentLength = Helper::width($type); $lineIndentation = str_repeat(' ', $indentLength); } // wrap and add newlines for each element $outputWrapper = new OutputWrapper(); foreach ($messages as $key => $message) { if ($escape) { $message = OutputFormatter::escape($message); } $lines = array_merge( $lines, explode(\PHP_EOL, $outputWrapper->wrap( $message, $this->lineLength - $prefixLength - $indentLength, \PHP_EOL )) ); if (\count($messages) > 1 && $key < \count($messages) - 1) { $lines[] = ''; } } $firstLineIndex = 0; if ($padding && $this->isDecorated()) { $firstLineIndex = 1; array_unshift($lines, ''); $lines[] = ''; } foreach ($lines as $i => &$line) { if (null !== $type) { $line = $firstLineIndex === $i ? $type.$line : $lineIndentation.$line; } $line = $prefix.$line; $line .= str_repeat(' ', max($this->lineLength - Helper::width(Helper::removeDecoration($this->getFormatter(), $line)), 0)); if ($style) { $line = \sprintf('<%s>%s</>', $style, $line); } } return $lines; } }

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