home/alospiesjs/www/apis/youtube/vendor/symfony/console/Helper/ProgressBar.php000060400000044433151160330720023752 0ustar00 * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\Console\Helper; use Symfony\Component\Console\Cursor; use Symfony\Component\Console\Exception\LogicException; use Symfony\Component\Console\Output\ConsoleOutputInterface; use Symfony\Component\Console\Output\ConsoleSectionOutput; use Symfony\Component\Console\Output\OutputInterface; use Symfony\Component\Console\Terminal; /** * The ProgressBar provides helpers to display progress output. * * @author Fabien Potencier * @author Chris Jones */ final class ProgressBar { public const FORMAT_VERBOSE = 'verbose'; public const FORMAT_VERY_VERBOSE = 'very_verbose'; public const FORMAT_DEBUG = 'debug'; public const FORMAT_NORMAL = 'normal'; private const FORMAT_VERBOSE_NOMAX = 'verbose_nomax'; private const FORMAT_VERY_VERBOSE_NOMAX = 'very_verbose_nomax'; private const FORMAT_DEBUG_NOMAX = 'debug_nomax'; private const FORMAT_NORMAL_NOMAX = 'normal_nomax'; private int $barWidth = 28; private string $barChar; private string $emptyBarChar = '-'; private string $progressChar = '>'; private ?string $format = null; private ?string $internalFormat = null; private ?int $redrawFreq = 1; private int $writeCount = 0; private float $lastWriteTime = 0; private float $minSecondsBetweenRedraws = 0; private float $maxSecondsBetweenRedraws = 1; private $output; private int $step = 0; private ?int $max = null; private int $startTime; private int $stepWidth; private float $percent = 0.0; private int $formatLineCount; private array $messages = []; private bool $overwrite = true; private $terminal; private ?string $previousMessage = null; private $cursor; private static array $formatters; private static array $formats; /** * @param int $max Maximum steps (0 if unknown) */ public function __construct(OutputInterface $output, int $max = 0, float $minSecondsBetweenRedraws = 1 / 25) { if ($output instanceof ConsoleOutputInterface) { $output = $output->getErrorOutput(); } $this->output = $output; $this->setMaxSteps($max); $this->terminal = new Terminal(); if (0 < $minSecondsBetweenRedraws) { $this->redrawFreq = null; $this->minSecondsBetweenRedraws = $minSecondsBetweenRedraws; } if (!$this->output->isDecorated()) { // disable overwrite when output does not support ANSI codes. $this->overwrite = false; // set a reasonable redraw frequency so output isn't flooded $this->redrawFreq = null; } $this->startTime = time(); $this->cursor = new Cursor($output); } /** * Sets a placeholder formatter for a given name. * * This method also allow you to override an existing placeholder. * * @param string $name The placeholder name (including the delimiter char like %) * @param callable $callable A PHP callable */ public static function setPlaceholderFormatterDefinition(string $name, callable $callable): void { self::$formatters ??= self::initPlaceholderFormatters(); self::$formatters[$name] = $callable; } /** * Gets the placeholder formatter for a given name. * * @param string $name The placeholder name (including the delimiter char like %) */ public static function getPlaceholderFormatterDefinition(string $name): ?callable { self::$formatters ??= self::initPlaceholderFormatters(); return self::$formatters[$name] ?? null; } /** * Sets a format for a given name. * * This method also allow you to override an existing format. * * @param string $name The format name * @param string $format A format string */ public static function setFormatDefinition(string $name, string $format): void { self::$formats ??= self::initFormats(); self::$formats[$name] = $format; } /** * Gets the format for a given name. * * @param string $name The format name */ public static function getFormatDefinition(string $name): ?string { self::$formats ??= self::initFormats(); return self::$formats[$name] ?? null; } /** * Associates a text with a named placeholder. * * The text is displayed when the progress bar is rendered but only * when the corresponding placeholder is part of the custom format line * (by wrapping the name with %). * * @param string $message The text to associate with the placeholder * @param string $name The name of the placeholder */ public function setMessage(string $message, string $name = 'message') { $this->messages[$name] = $message; } public function getMessage(string $name = 'message') { return $this->messages[$name]; } public function getStartTime(): int { return $this->startTime; } public function getMaxSteps(): int { return $this->max; } public function getProgress(): int { return $this->step; } private function getStepWidth(): int { return $this->stepWidth; } public function getProgressPercent(): float { return $this->percent; } public function getBarOffset(): float { return floor($this->max ? $this->percent * $this->barWidth : (null === $this->redrawFreq ? (int) (min(5, $this->barWidth / 15) * $this->writeCount) : $this->step) % $this->barWidth); } public function getEstimated(): float { if (!$this->step) { return 0; } return round((time() - $this->startTime) / $this->step * $this->max); } public function getRemaining(): float { if (!$this->step) { return 0; } return round((time() - $this->startTime) / $this->step * ($this->max - $this->step)); } public function setBarWidth(int $size) { $this->barWidth = max(1, $size); } public function getBarWidth(): int { return $this->barWidth; } public function setBarCharacter(string $char) { $this->barChar = $char; } public function getBarCharacter(): string { return $this->barChar ?? ($this->max ? '=' : $this->emptyBarChar); } public function setEmptyBarCharacter(string $char) { $this->emptyBarChar = $char; } public function getEmptyBarCharacter(): string { return $this->emptyBarChar; } public function setProgressCharacter(string $char) { $this->progressChar = $char; } public function getProgressCharacter(): string { return $this->progressChar; } public function setFormat(string $format) { $this->format = null; $this->internalFormat = $format; } /** * Sets the redraw frequency. * * @param int|null $freq The frequency in steps */ public function setRedrawFrequency(?int $freq) { $this->redrawFreq = null !== $freq ? max(1, $freq) : null; } public function minSecondsBetweenRedraws(float $seconds): void { $this->minSecondsBetweenRedraws = $seconds; } public function maxSecondsBetweenRedraws(float $seconds): void { $this->maxSecondsBetweenRedraws = $seconds; } /** * Returns an iterator that will automatically update the progress bar when iterated. * * @param int|null $max Number of steps to complete the bar (0 if indeterminate), if null it will be inferred from $iterable */ public function iterate(iterable $iterable, int $max = null): iterable { $this->start($max ?? (is_countable($iterable) ? \count($iterable) : 0)); foreach ($iterable as $key => $value) { yield $key => $value; $this->advance(); } $this->finish(); } /** * Starts the progress output. * * @param int|null $max Number of steps to complete the bar (0 if indeterminate), null to leave unchanged */ public function start(int $max = null) { $this->startTime = time(); $this->step = 0; $this->percent = 0.0; if (null !== $max) { $this->setMaxSteps($max); } $this->display(); } /** * Advances the progress output X steps. * * @param int $step Number of steps to advance */ public function advance(int $step = 1) { $this->setProgress($this->step + $step); } /** * Sets whether to overwrite the progressbar, false for new line. */ public function setOverwrite(bool $overwrite) { $this->overwrite = $overwrite; } public function setProgress(int $step) { if ($this->max && $step > $this->max) { $this->max = $step; } elseif ($step < 0) { $step = 0; } $redrawFreq = $this->redrawFreq ?? (($this->max ?: 10) / 10); $prevPeriod = (int) ($this->step / $redrawFreq); $currPeriod = (int) ($step / $redrawFreq); $this->step = $step; $this->percent = $this->max ? (float) $this->step / $this->max : 0; $timeInterval = microtime(true) - $this->lastWriteTime; // Draw regardless of other limits if ($this->max === $step) { $this->display(); return; } // Throttling if ($timeInterval < $this->minSecondsBetweenRedraws) { return; } // Draw each step period, but not too late if ($prevPeriod !== $currPeriod || $timeInterval >= $this->maxSecondsBetweenRedraws) { $this->display(); } } public function setMaxSteps(int $max) { $this->format = null; $this->max = max(0, $max); $this->stepWidth = $this->max ? Helper::width((string) $this->max) : 4; } /** * Finishes the progress output. */ public function finish(): void { if (!$this->max) { $this->max = $this->step; } if ($this->step === $this->max && !$this->overwrite) { // prevent double 100% output return; } $this->setProgress($this->max); } /** * Outputs the current progress string. */ public function display(): void { if (OutputInterface::VERBOSITY_QUIET === $this->output->getVerbosity()) { return; } if (null === $this->format) { $this->setRealFormat($this->internalFormat ?: $this->determineBestFormat()); } $this->overwrite($this->buildLine()); } /** * Removes the progress bar from the current line. * * This is useful if you wish to write some output * while a progress bar is running. * Call display() to show the progress bar again. */ public function clear(): void { if (!$this->overwrite) { return; } if (null === $this->format) { $this->setRealFormat($this->internalFormat ?: $this->determineBestFormat()); } $this->overwrite(''); } private function setRealFormat(string $format) { // try to use the _nomax variant if available if (!$this->max && null !== self::getFormatDefinition($format.'_nomax')) { $this->format = self::getFormatDefinition($format.'_nomax'); } elseif (null !== self::getFormatDefinition($format)) { $this->format = self::getFormatDefinition($format); } else { $this->format = $format; } $this->formatLineCount = substr_count($this->format, "\n"); } /** * Overwrites a previous message to the output. */ private function overwrite(string $message): void { if ($this->previousMessage === $message) { return; } $originalMessage = $message; if ($this->overwrite) { if (null !== $this->previousMessage) { if ($this->output instanceof ConsoleSectionOutput) { $messageLines = explode("\n", $message); $lineCount = \count($messageLines); foreach ($messageLines as $messageLine) { $messageLineLength = Helper::width(Helper::removeDecoration($this->output->getFormatter(), $messageLine)); if ($messageLineLength > $this->terminal->getWidth()) { $lineCount += floor($messageLineLength / $this->terminal->getWidth()); } } $this->output->clear($lineCount); } else { for ($i = 0; $i < $this->formatLineCount; ++$i) { $this->cursor->moveToColumn(1); $this->cursor->clearLine(); $this->cursor->moveUp(); } $this->cursor->moveToColumn(1); $this->cursor->clearLine(); } } } elseif ($this->step > 0) { $message = \PHP_EOL.$message; } $this->previousMessage = $originalMessage; $this->lastWriteTime = microtime(true); $this->output->write($message); ++$this->writeCount; } private function determineBestFormat(): string { switch ($this->output->getVerbosity()) { // OutputInterface::VERBOSITY_QUIET: display is disabled anyway case OutputInterface::VERBOSITY_VERBOSE: return $this->max ? self::FORMAT_VERBOSE : self::FORMAT_VERBOSE_NOMAX; case OutputInterface::VERBOSITY_VERY_VERBOSE: return $this->max ? self::FORMAT_VERY_VERBOSE : self::FORMAT_VERY_VERBOSE_NOMAX; case OutputInterface::VERBOSITY_DEBUG: return $this->max ? self::FORMAT_DEBUG : self::FORMAT_DEBUG_NOMAX; default: return $this->max ? self::FORMAT_NORMAL : self::FORMAT_NORMAL_NOMAX; } } private static function initPlaceholderFormatters(): array { return [ 'bar' => function (self $bar, OutputInterface $output) { $completeBars = $bar->getBarOffset(); $display = str_repeat($bar->getBarCharacter(), $completeBars); if ($completeBars < $bar->getBarWidth()) { $emptyBars = $bar->getBarWidth() - $completeBars - Helper::length(Helper::removeDecoration($output->getFormatter(), $bar->getProgressCharacter())); $display .= $bar->getProgressCharacter().str_repeat($bar->getEmptyBarCharacter(), $emptyBars); } return $display; }, 'elapsed' => function (self $bar) { return Helper::formatTime(time() - $bar->getStartTime()); }, 'remaining' => function (self $bar) { if (!$bar->getMaxSteps()) { throw new LogicException('Unable to display the remaining time if the maximum number of steps is not set.'); } return Helper::formatTime($bar->getRemaining()); }, 'estimated' => function (self $bar) { if (!$bar->getMaxSteps()) { throw new LogicException('Unable to display the estimated time if the maximum number of steps is not set.'); } return Helper::formatTime($bar->getEstimated()); }, 'memory' => function (self $bar) { return Helper::formatMemory(memory_get_usage(true)); }, 'current' => function (self $bar) { return str_pad($bar->getProgress(), $bar->getStepWidth(), ' ', \STR_PAD_LEFT); }, 'max' => function (self $bar) { return $bar->getMaxSteps(); }, 'percent' => function (self $bar) { return floor($bar->getProgressPercent() * 100); }, ]; } private static function initFormats(): array { return [ self::FORMAT_NORMAL => ' %current%/%max% [%bar%] %percent:3s%%', self::FORMAT_NORMAL_NOMAX => ' %current% [%bar%]', self::FORMAT_VERBOSE => ' %current%/%max% [%bar%] %percent:3s%% %elapsed:6s%', self::FORMAT_VERBOSE_NOMAX => ' %current% [%bar%] %elapsed:6s%', self::FORMAT_VERY_VERBOSE => ' %current%/%max% [%bar%] %percent:3s%% %elapsed:6s%/%estimated:-6s%', self::FORMAT_VERY_VERBOSE_NOMAX => ' %current% [%bar%] %elapsed:6s%', self::FORMAT_DEBUG => ' %current%/%max% [%bar%] %percent:3s%% %elapsed:6s%/%estimated:-6s% %memory:6s%', self::FORMAT_DEBUG_NOMAX => ' %current% [%bar%] %elapsed:6s% %memory:6s%', ]; } private function buildLine(): string { \assert(null !== $this->format); $regex = "{%([a-z\-_]+)(?:\:([^%]+))?%}i"; $callback = function ($matches) { if ($formatter = $this::getPlaceholderFormatterDefinition($matches[1])) { $text = $formatter($this, $this->output); } elseif (isset($this->messages[$matches[1]])) { $text = $this->messages[$matches[1]]; } else { return $matches[0]; } if (isset($matches[2])) { $text = sprintf('%'.$matches[2], $text); } return $text; }; $line = preg_replace_callback($regex, $callback, $this->format); // gets string length for each sub line with multiline format $linesLength = array_map(function ($subLine) { return Helper::width(Helper::removeDecoration($this->output->getFormatter(), rtrim($subLine, "\r"))); }, explode("\n", $line)); $linesWidth = max($linesLength); $terminalWidth = $this->terminal->getWidth(); if ($linesWidth <= $terminalWidth) { return $line; } $this->setBarWidth($this->barWidth - $linesWidth + $terminalWidth); return preg_replace_callback($regex, $callback, $this->format); } }