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First commit
This commit is contained in:
Pierre Hubert
469
developer/vendor/symfony/console/Helper/ProgressHelper.php
vendored
Normal file
469
developer/vendor/symfony/console/Helper/ProgressHelper.php
vendored
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Console\Helper;
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use Symfony\Component\Console\Output\NullOutput;
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use Symfony\Component\Console\Output\ConsoleOutputInterface;
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use Symfony\Component\Console\Output\OutputInterface;
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use Symfony\Component\Console\Exception\LogicException;
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/**
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* The Progress class provides helpers to display progress output.
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*
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* @author Chris Jones <leeked@gmail.com>
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* @author Fabien Potencier <fabien@symfony.com>
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*
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* @deprecated since version 2.5, to be removed in 3.0
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* Use {@link ProgressBar} instead.
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*/
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class ProgressHelper extends Helper
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{
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const FORMAT_QUIET = ' %percent%%';
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const FORMAT_NORMAL = ' %current%/%max% [%bar%] %percent%%';
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const FORMAT_VERBOSE = ' %current%/%max% [%bar%] %percent%% Elapsed: %elapsed%';
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const FORMAT_QUIET_NOMAX = ' %current%';
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const FORMAT_NORMAL_NOMAX = ' %current% [%bar%]';
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const FORMAT_VERBOSE_NOMAX = ' %current% [%bar%] Elapsed: %elapsed%';
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// options
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private $barWidth = 28;
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private $barChar = '=';
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private $emptyBarChar = '-';
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private $progressChar = '>';
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private $format = null;
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private $redrawFreq = 1;
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private $lastMessagesLength;
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private $barCharOriginal;
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/**
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* @var OutputInterface
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*/
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private $output;
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/**
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* Current step.
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*
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* @var int
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*/
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private $current;
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/**
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* Maximum number of steps.
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*
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* @var int
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*/
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private $max;
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/**
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* Start time of the progress bar.
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*
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* @var int
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*/
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private $startTime;
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/**
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* List of formatting variables.
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*
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* @var array
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*/
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private $defaultFormatVars = array(
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'current',
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'max',
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'bar',
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'percent',
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'elapsed',
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);
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/**
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* Available formatting variables.
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*
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* @var array
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*/
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private $formatVars;
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/**
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* Stored format part widths (used for padding).
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*
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* @var array
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*/
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private $widths = array(
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'current' => 4,
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'max' => 4,
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'percent' => 3,
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'elapsed' => 6,
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);
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/**
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* Various time formats.
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*
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* @var array
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*/
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private $timeFormats = array(
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array(0, '???'),
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array(2, '1 sec'),
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array(59, 'secs', 1),
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array(60, '1 min'),
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array(3600, 'mins', 60),
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array(5400, '1 hr'),
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array(86400, 'hrs', 3600),
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array(129600, '1 day'),
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array(604800, 'days', 86400),
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);
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public function __construct($triggerDeprecationError = true)
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{
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if ($triggerDeprecationError) {
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@trigger_error('The '.__CLASS__.' class is deprecated since version 2.5 and will be removed in 3.0. Use the Symfony\Component\Console\Helper\ProgressBar class instead.', E_USER_DEPRECATED);
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}
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}
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/**
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* Sets the progress bar width.
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*
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* @param int $size The progress bar size
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*/
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public function setBarWidth($size)
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{
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$this->barWidth = (int) $size;
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}
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/**
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* Sets the bar character.
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*
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* @param string $char A character
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*/
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public function setBarCharacter($char)
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{
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$this->barChar = $char;
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}
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/**
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* Sets the empty bar character.
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*
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* @param string $char A character
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*/
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public function setEmptyBarCharacter($char)
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{
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$this->emptyBarChar = $char;
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}
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/**
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* Sets the progress bar character.
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*
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* @param string $char A character
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*/
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public function setProgressCharacter($char)
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{
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$this->progressChar = $char;
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}
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/**
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* Sets the progress bar format.
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*
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* @param string $format The format
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*/
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public function setFormat($format)
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{
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$this->format = $format;
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}
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/**
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* Sets the redraw frequency.
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*
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* @param int $freq The frequency in steps
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*/
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public function setRedrawFrequency($freq)
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{
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$this->redrawFreq = (int) $freq;
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}
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/**
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* Starts the progress output.
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*
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* @param OutputInterface $output An Output instance
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* @param int|null $max Maximum steps
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*/
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public function start(OutputInterface $output, $max = null)
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{
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if ($output instanceof ConsoleOutputInterface) {
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$output = $output->getErrorOutput();
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}
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$this->startTime = time();
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$this->current = 0;
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$this->max = (int) $max;
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// Disabling output when it does not support ANSI codes as it would result in a broken display anyway.
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$this->output = $output->isDecorated() ? $output : new NullOutput();
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$this->lastMessagesLength = 0;
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$this->barCharOriginal = '';
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if (null === $this->format) {
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switch ($output->getVerbosity()) {
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case OutputInterface::VERBOSITY_QUIET:
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$this->format = self::FORMAT_QUIET_NOMAX;
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if ($this->max > 0) {
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$this->format = self::FORMAT_QUIET;
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}
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break;
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case OutputInterface::VERBOSITY_VERBOSE:
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case OutputInterface::VERBOSITY_VERY_VERBOSE:
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case OutputInterface::VERBOSITY_DEBUG:
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$this->format = self::FORMAT_VERBOSE_NOMAX;
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if ($this->max > 0) {
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$this->format = self::FORMAT_VERBOSE;
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}
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break;
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default:
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$this->format = self::FORMAT_NORMAL_NOMAX;
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if ($this->max > 0) {
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$this->format = self::FORMAT_NORMAL;
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}
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break;
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}
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}
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$this->initialize();
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}
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/**
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* Advances the progress output X steps.
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*
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* @param int $step Number of steps to advance
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* @param bool $redraw Whether to redraw or not
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*
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* @throws LogicException
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*/
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public function advance($step = 1, $redraw = false)
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{
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$this->setCurrent($this->current + $step, $redraw);
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}
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/**
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* Sets the current progress.
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*
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* @param int $current The current progress
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* @param bool $redraw Whether to redraw or not
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*
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* @throws LogicException
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*/
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public function setCurrent($current, $redraw = false)
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{
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if (null === $this->startTime) {
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throw new LogicException('You must start the progress bar before calling setCurrent().');
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}
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$current = (int) $current;
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if ($current < $this->current) {
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throw new LogicException('You can\'t regress the progress bar');
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}
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if (0 === $this->current) {
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$redraw = true;
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}
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$prevPeriod = (int) ($this->current / $this->redrawFreq);
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$this->current = $current;
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$currPeriod = (int) ($this->current / $this->redrawFreq);
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if ($redraw || $prevPeriod !== $currPeriod || $this->max === $this->current) {
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$this->display();
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}
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}
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/**
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* Outputs the current progress string.
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*
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* @param bool $finish Forces the end result
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*
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* @throws LogicException
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*/
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public function display($finish = false)
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{
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if (null === $this->startTime) {
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throw new LogicException('You must start the progress bar before calling display().');
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}
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$message = $this->format;
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foreach ($this->generate($finish) as $name => $value) {
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$message = str_replace("%{$name}%", $value, $message);
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}
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$this->overwrite($this->output, $message);
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}
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/**
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* Removes the progress bar from the current line.
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*
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* This is useful if you wish to write some output
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* while a progress bar is running.
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* Call display() to show the progress bar again.
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*/
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public function clear()
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{
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$this->overwrite($this->output, '');
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}
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/**
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* Finishes the progress output.
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*/
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public function finish()
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{
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if (null === $this->startTime) {
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throw new LogicException('You must start the progress bar before calling finish().');
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}
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if (null !== $this->startTime) {
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if (!$this->max) {
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$this->barChar = $this->barCharOriginal;
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$this->display(true);
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}
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$this->startTime = null;
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$this->output->writeln('');
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$this->output = null;
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}
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}
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/**
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* Initializes the progress helper.
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*/
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private function initialize()
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{
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$this->formatVars = array();
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foreach ($this->defaultFormatVars as $var) {
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if (false !== strpos($this->format, "%{$var}%")) {
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$this->formatVars[$var] = true;
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}
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}
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if ($this->max > 0) {
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$this->widths['max'] = $this->strlen($this->max);
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$this->widths['current'] = $this->widths['max'];
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} else {
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$this->barCharOriginal = $this->barChar;
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$this->barChar = $this->emptyBarChar;
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}
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}
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/**
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* Generates the array map of format variables to values.
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*
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* @param bool $finish Forces the end result
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*
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* @return array Array of format vars and values
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*/
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private function generate($finish = false)
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{
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$vars = array();
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$percent = 0;
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if ($this->max > 0) {
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$percent = (float) $this->current / $this->max;
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}
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if (isset($this->formatVars['bar'])) {
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if ($this->max > 0) {
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$completeBars = floor($percent * $this->barWidth);
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} else {
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if (!$finish) {
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$completeBars = floor($this->current % $this->barWidth);
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} else {
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$completeBars = $this->barWidth;
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}
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}
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$emptyBars = $this->barWidth - $completeBars - $this->strlen($this->progressChar);
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$bar = str_repeat($this->barChar, $completeBars);
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if ($completeBars < $this->barWidth) {
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$bar .= $this->progressChar;
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$bar .= str_repeat($this->emptyBarChar, $emptyBars);
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}
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$vars['bar'] = $bar;
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}
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if (isset($this->formatVars['elapsed'])) {
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$elapsed = time() - $this->startTime;
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$vars['elapsed'] = str_pad($this->humaneTime($elapsed), $this->widths['elapsed'], ' ', STR_PAD_LEFT);
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}
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if (isset($this->formatVars['current'])) {
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$vars['current'] = str_pad($this->current, $this->widths['current'], ' ', STR_PAD_LEFT);
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}
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if (isset($this->formatVars['max'])) {
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$vars['max'] = $this->max;
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}
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if (isset($this->formatVars['percent'])) {
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$vars['percent'] = str_pad(floor($percent * 100), $this->widths['percent'], ' ', STR_PAD_LEFT);
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}
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return $vars;
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}
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/**
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* Converts seconds into human-readable format.
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*
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* @param int $secs Number of seconds
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*
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* @return string Time in readable format
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*/
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private function humaneTime($secs)
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{
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$text = '';
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foreach ($this->timeFormats as $format) {
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if ($secs < $format[0]) {
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if (count($format) == 2) {
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$text = $format[1];
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break;
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} else {
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$text = ceil($secs / $format[2]).' '.$format[1];
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break;
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}
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}
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}
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return $text;
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}
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/**
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* Overwrites a previous message to the output.
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*
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* @param OutputInterface $output An Output instance
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* @param string $message The message
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*/
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private function overwrite(OutputInterface $output, $message)
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{
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$length = $this->strlen($message);
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// append whitespace to match the last line's length
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if (null !== $this->lastMessagesLength && $this->lastMessagesLength > $length) {
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$message = str_pad($message, $this->lastMessagesLength, "\x20", STR_PAD_RIGHT);
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}
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// carriage return
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$output->write("\x0D");
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$output->write($message);
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$this->lastMessagesLength = $this->strlen($message);
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}
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/**
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* {@inheritdoc}
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*/
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public function getName()
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{
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return 'progress';
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}
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}
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