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File / Folder	Size	Action
.	-
DebugFormatterHelper.php	3.242KB	edt ren
DescriptorHelper.php	2.575KB	edt ren
Dumper.php	1.787KB	edt ren
FormatterHelper.php	2.183KB	edt ren
Helper.php	4.646KB	edt ren
HelperInterface.php	0.821KB	edt ren
HelperSet.php	1.822KB	edt ren
InputAwareHelper.php	0.729KB	edt ren
OutputWrapper.php	2.938KB	edt ren
ProcessHelper.php	4.645KB	edt ren
ProgressBar.php	19.303KB	edt ren
ProgressIndicator.php	6.83KB	edt ren
QuestionHelper.php	19.373KB	edt ren
SymfonyQuestionHelper.php	3.2KB	edt ren
Table.php	31.178KB	edt ren
TableCell.php	1.718KB	edt ren
TableCellStyle.php	2.161KB	edt ren
TableRows.php	0.576KB	edt ren
TableSeparator.php	0.519KB	edt ren
TableStyle.php	12.461KB	edt ren

<?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\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 <fabien@symfony.com>
 * @author Chris Jones <leeked@gmail.com>
 */
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 OutputInterface $output;
    private int $step = 0;
    private int $startingStep = 0;
    private ?int $max = null;
    private int $startTime;
    private int $stepWidth;
    private float $percent = 0.0;
    private array $messages = [];
    private bool $overwrite = true;
    private Terminal $terminal;
    private ?string $previousMessage = null;
    private Cursor $cursor;
    private array $placeholders = [];

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, 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::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 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::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'): 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.
     *
     * @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 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
     * @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
    {
        return match ($this->output->getVerbosity()) {
            // OutputInterface::VERBOSITY_QUIET: display is disabled anyway
            OutputInterface::VERBOSITY_VERBOSE => $this->max ? self::FORMAT_VERBOSE : self::FORMAT_VERBOSE_NOMAX,
            OutputInterface::VERBOSITY_VERY_VERBOSE => $this->max ? self::FORMAT_VERY_VERBOSE : self::FORMAT_VERY_VERBOSE_NOMAX,
            OutputInterface::VERBOSITY_DEBUG => $this->max ? self::FORMAT_DEBUG : self::FORMAT_DEBUG_NOMAX,
            default => $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' => fn (self $bar) => Helper::formatTime(time() - $bar->getStartTime(), 2),
            '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(), 2);
            },
            '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(), 2);
            },
            'memory' => fn (self $bar) => Helper::formatMemory(memory_get_usage(true)),
            'current' => fn (self $bar) => str_pad($bar->getProgress(), $bar->getStepWidth(), ' ', \STR_PAD_LEFT),
            'max' => fn (self $bar) => $bar->getMaxSteps(),
            'percent' => fn (self $bar) => floor($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
        $linesLength = array_map(fn ($subLine) => 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);
    }
}