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File / Folder	Size	Action
.	-
DebugFormatterHelper.php	3.322KB	edt ren
DescriptorHelper.php	2.434KB	edt ren
Dumper.php	1.977KB	edt ren
FormatterHelper.php	2.336KB	edt ren
Helper.php	4.938KB	edt ren
HelperInterface.php	0.825KB	edt ren
HelperSet.php	2.521KB	edt ren
InputAwareHelper.php	0.729KB	edt ren
ProcessHelper.php	4.864KB	edt ren
ProgressBar.php	18.251KB	edt ren
ProgressIndicator.php	7.051KB	edt ren
QuestionHelper.php	19.16KB	edt ren
SymfonyQuestionHelper.php	3.202KB	edt ren
Table.php	28.134KB	edt ren
TableCell.php	1.767KB	edt ren
TableCellStyle.php	2.22KB	edt ren
TableRows.php	0.567KB	edt ren
TableSeparator.php	0.519KB	edt ren
TableStyle.php	12.382KB	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 $barWidth = 28;
    private $barChar;
    private $emptyBarChar = '-';
    private $progressChar = '>';
    private $format;
    private $internalFormat;
    private $redrawFreq = 1;
    private $writeCount;
    private $lastWriteTime;
    private $minSecondsBetweenRedraws = 0;
    private $maxSecondsBetweenRedraws = 1;
    private $output;
    private $step = 0;
    private $max;
    private $startTime;
    private $stepWidth;
    private $percent = 0.0;
    private $formatLineCount;
    private $messages = [];
    private $overwrite = true;
    private $terminal;
    private $previousMessage;
    private $cursor;

private static $formatters;
    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.
     *
     * 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 $callable): void
    {
        if (!self::$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 $name): ?callable
    {
        if (!self::$formatters) {
            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 $format): void
    {
        if (!self::$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 $name): ?string
    {
        if (!self::$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')
    {
        $this->messages[$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
    {
        $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);
    }
}

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