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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <[email protected]>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace RectorPrefix202308\Symfony\Component\Console\Helper;
use RectorPrefix202308\Symfony\Component\Console\Cursor;
use RectorPrefix202308\Symfony\Component\Console\Exception\LogicException;
use RectorPrefix202308\Symfony\Component\Console\Output\ConsoleOutputInterface;
use RectorPrefix202308\Symfony\Component\Console\Output\ConsoleSectionOutput;
use RectorPrefix202308\Symfony\Component\Console\Output\OutputInterface;
use RectorPrefix202308\Symfony\Component\Console\Terminal;
/**
* The ProgressBar provides helpers to display progress output.
*
* @author Fabien Potencier <[email protected]>
* @author Chris Jones <[email protected]>
*/
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';
/**
* @var int
*/
private $barWidth = 28;
/**
* @var string
*/
private $barChar;
/**
* @var string
*/
private $emptyBarChar = '-';
/**
* @var string
*/
private $progressChar = '>';
/**
* @var string|null
*/
private $format;
/**
* @var string|null
*/
private $internalFormat;
/**
* @var int|null
*/
private $redrawFreq = 1;
/**
* @var int
*/
private $writeCount = 0;
/**
* @var float
*/
private $lastWriteTime = 0;
/**
* @var float
*/
private $minSecondsBetweenRedraws = 0;
/**
* @var float
*/
private $maxSecondsBetweenRedraws = 1;
/**
* @var \Symfony\Component\Console\Output\OutputInterface
*/
private $output;
/**
* @var int
*/
private $step = 0;
/**
* @var int
*/
private $startingStep = 0;
/**
* @var int|null
*/
private $max;
/**
* @var int
*/
private $startTime;
/**
* @var int
*/
private $stepWidth;
/**
* @var float
*/
private $percent = 0.0;
/**
* @var mixed[]
*/
private $messages = [];
/**
* @var bool
*/
private $overwrite = \true;
/**
* @var \Symfony\Component\Console\Terminal
*/
private $terminal;
/**
* @var string|null
*/
private $previousMessage;
/**
* @var \Symfony\Component\Console\Cursor
*/
private $cursor;
/**
* @var mixed[]
*/
private $placeholders = [];
/**
* @var mixed[]
*/
private static $formatters;
/**
* @var mixed[]
*/
private static $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, globally for all instances of ProgressBar.
*
* This method also allow you to override an existing placeholder.
*
* @param string $name The placeholder name (including the delimiter char like %)
* @param callable(ProgressBar):string $callable A PHP callable
*/
public static function setPlaceholderFormatterDefinition(string $name, callable $callable) : void
{
self::$formatters = 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::$formatters ?? self::initPlaceholderFormatters();
return self::$formatters[$name] ?? null;
}
/**
* Sets a placeholder formatter for a given name, for this instance only.
*
* @param callable(ProgressBar):string $callable A PHP callable
*/
public function setPlaceholderFormatter(string $name, callable $callable) : void
{
$this->placeholders[$name] = $callable;
}
/**
* Gets the placeholder formatter for a given name.
*
* @param string $name The placeholder name (including the delimiter char like %)
*/
public function getPlaceholderFormatter(string $name) : ?callable
{
return $this->placeholders[$name] ?? $this::getPlaceholderFormatterDefinition($name);
}
/**
* 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::$formats ?? self::initFormats();
self::$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::$formats ?? self::initFormats();
return self::$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') : void
{
$this->messages[$name] = $message;
}
public function getMessage(string $name = 'message') : string
{
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 (0 === $this->step || $this->step === $this->startingStep) {
return 0;
}
return \round((\time() - $this->startTime) / ($this->step - $this->startingStep) * $this->max);
}
public function getRemaining() : float
{
if (!$this->step) {
return 0;
}
return \round((\time() - $this->startTime) / ($this->step - $this->startingStep) * ($this->max - $this->step));
}
public function setBarWidth(int $size) : void
{
$this->barWidth = \max(1, $size);
}
public function getBarWidth() : int
{
return $this->barWidth;
}
public function setBarCharacter(string $char) : void
{
$this->barChar = $char;
}
public function getBarCharacter() : string
{
return $this->barChar ?? ($this->max ? '=' : $this->emptyBarChar);
}
public function setEmptyBarCharacter(string $char) : void
{
$this->emptyBarChar = $char;
}
public function getEmptyBarCharacter() : string
{
return $this->emptyBarChar;
}
public function setProgressCharacter(string $char) : void
{
$this->progressChar = $char;
}
public function getProgressCharacter() : string
{
return $this->progressChar;
}
public function setFormat(string $format) : void
{
$this->format = null;
$this->internalFormat = $format;
}
/**
* Sets the redraw frequency.
*
* @param int|null $freq The frequency in steps
*/
public function setRedrawFrequency(?int $freq) : void
{
$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_array($iterable) || $iterable instanceof \Countable ? \count($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
* @param int $startAt The starting point of the bar (useful e.g. when resuming a previously started bar)
*/
public function start(int $max = null, int $startAt = 0) : void
{
$this->startTime = \time();
$this->step = $startAt;
$this->startingStep = $startAt;
$startAt > 0 ? $this->setProgress($startAt) : ($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) : void
{
$this->setProgress($this->step + $step);
}
/**
* Sets whether to overwrite the progressbar, false for new line.
*/
public function setOverwrite(bool $overwrite) : void
{
$this->overwrite = $overwrite;
}
public function setProgress(int $step) : void
{
if ($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) : void
{
$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 $format) : void
{
// try to use the _nomax variant if available
if (!$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;
}
}
/**
* 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", $this->previousMessage);
$lineCount = \count($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 {
$lineCount = \substr_count($this->previousMessage, "\n");
for ($i = 0; $i < $lineCount; ++$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()) {
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 = $this->getPlaceholderFormatter($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);
}
}