601 lines
16 KiB
PHP
601 lines
16 KiB
PHP
<?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\Output\ConsoleOutputInterface;
|
|
use Symfony\Component\Console\Output\OutputInterface;
|
|
use Symfony\Component\Console\Exception\LogicException;
|
|
|
|
/**
|
|
* The ProgressBar provides helpers to display progress output.
|
|
*
|
|
* @author Fabien Potencier <fabien@symfony.com>
|
|
* @author Chris Jones <leeked@gmail.com>
|
|
*/
|
|
class ProgressBar
|
|
{
|
|
// options
|
|
private $barWidth = 28;
|
|
private $barChar;
|
|
private $emptyBarChar = '-';
|
|
private $progressChar = '>';
|
|
private $format;
|
|
private $internalFormat;
|
|
private $redrawFreq = 1;
|
|
|
|
/**
|
|
* @var OutputInterface
|
|
*/
|
|
private $output;
|
|
private $step = 0;
|
|
private $max;
|
|
private $startTime;
|
|
private $stepWidth;
|
|
private $percent = 0.0;
|
|
private $formatLineCount;
|
|
private $messages = array();
|
|
private $overwrite = true;
|
|
private $firstRun = true;
|
|
|
|
private static $formatters;
|
|
private static $formats;
|
|
|
|
/**
|
|
* Constructor.
|
|
*
|
|
* @param OutputInterface $output An OutputInterface instance
|
|
* @param int $max Maximum steps (0 if unknown)
|
|
*/
|
|
public function __construct(OutputInterface $output, $max = 0)
|
|
{
|
|
if ($output instanceof ConsoleOutputInterface) {
|
|
$output = $output->getErrorOutput();
|
|
}
|
|
|
|
$this->output = $output;
|
|
$this->setMaxSteps($max);
|
|
|
|
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
|
|
$this->setRedrawFrequency($max / 10);
|
|
}
|
|
|
|
$this->startTime = time();
|
|
}
|
|
|
|
/**
|
|
* 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 $callable A PHP callable
|
|
*/
|
|
public static function setPlaceholderFormatterDefinition($name, callable $callable)
|
|
{
|
|
if (!self::$formatters) {
|
|
self::$formatters = self::initPlaceholderFormatters();
|
|
}
|
|
|
|
self::$formatters[$name] = $callable;
|
|
}
|
|
|
|
/**
|
|
* Gets the placeholder formatter for a given name.
|
|
*
|
|
* @param string $name The placeholder name (including the delimiter char like %)
|
|
*
|
|
* @return callable|null A PHP callable
|
|
*/
|
|
public static function getPlaceholderFormatterDefinition($name)
|
|
{
|
|
if (!self::$formatters) {
|
|
self::$formatters = self::initPlaceholderFormatters();
|
|
}
|
|
|
|
return isset(self::$formatters[$name]) ? 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 $format A format string
|
|
*/
|
|
public static function setFormatDefinition($name, $format)
|
|
{
|
|
if (!self::$formats) {
|
|
self::$formats = self::initFormats();
|
|
}
|
|
|
|
self::$formats[$name] = $format;
|
|
}
|
|
|
|
/**
|
|
* Gets the format for a given name.
|
|
*
|
|
* @param string $name The format name
|
|
*
|
|
* @return string|null A format string
|
|
*/
|
|
public static function getFormatDefinition($name)
|
|
{
|
|
if (!self::$formats) {
|
|
self::$formats = self::initFormats();
|
|
}
|
|
|
|
return isset(self::$formats[$name]) ? 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 $name The name of the placeholder
|
|
*/
|
|
public function setMessage($message, $name = 'message')
|
|
{
|
|
$this->messages[$name] = $message;
|
|
}
|
|
|
|
public function getMessage($name = 'message')
|
|
{
|
|
return $this->messages[$name];
|
|
}
|
|
|
|
/**
|
|
* Gets the progress bar start time.
|
|
*
|
|
* @return int The progress bar start time
|
|
*/
|
|
public function getStartTime()
|
|
{
|
|
return $this->startTime;
|
|
}
|
|
|
|
/**
|
|
* Gets the progress bar maximal steps.
|
|
*
|
|
* @return int The progress bar max steps
|
|
*/
|
|
public function getMaxSteps()
|
|
{
|
|
return $this->max;
|
|
}
|
|
|
|
/**
|
|
* Gets the current step position.
|
|
*
|
|
* @return int The progress bar step
|
|
*/
|
|
public function getProgress()
|
|
{
|
|
return $this->step;
|
|
}
|
|
|
|
/**
|
|
* Gets the progress bar step width.
|
|
*
|
|
* @return int The progress bar step width
|
|
*/
|
|
private function getStepWidth()
|
|
{
|
|
return $this->stepWidth;
|
|
}
|
|
|
|
/**
|
|
* Gets the current progress bar percent.
|
|
*
|
|
* @return float The current progress bar percent
|
|
*/
|
|
public function getProgressPercent()
|
|
{
|
|
return $this->percent;
|
|
}
|
|
|
|
/**
|
|
* Sets the progress bar width.
|
|
*
|
|
* @param int $size The progress bar size
|
|
*/
|
|
public function setBarWidth($size)
|
|
{
|
|
$this->barWidth = (int) $size;
|
|
}
|
|
|
|
/**
|
|
* Gets the progress bar width.
|
|
*
|
|
* @return int The progress bar size
|
|
*/
|
|
public function getBarWidth()
|
|
{
|
|
return $this->barWidth;
|
|
}
|
|
|
|
/**
|
|
* Sets the bar character.
|
|
*
|
|
* @param string $char A character
|
|
*/
|
|
public function setBarCharacter($char)
|
|
{
|
|
$this->barChar = $char;
|
|
}
|
|
|
|
/**
|
|
* Gets the bar character.
|
|
*
|
|
* @return string A character
|
|
*/
|
|
public function getBarCharacter()
|
|
{
|
|
if (null === $this->barChar) {
|
|
return $this->max ? '=' : $this->emptyBarChar;
|
|
}
|
|
|
|
return $this->barChar;
|
|
}
|
|
|
|
/**
|
|
* Sets the empty bar character.
|
|
*
|
|
* @param string $char A character
|
|
*/
|
|
public function setEmptyBarCharacter($char)
|
|
{
|
|
$this->emptyBarChar = $char;
|
|
}
|
|
|
|
/**
|
|
* Gets the empty bar character.
|
|
*
|
|
* @return string A character
|
|
*/
|
|
public function getEmptyBarCharacter()
|
|
{
|
|
return $this->emptyBarChar;
|
|
}
|
|
|
|
/**
|
|
* Sets the progress bar character.
|
|
*
|
|
* @param string $char A character
|
|
*/
|
|
public function setProgressCharacter($char)
|
|
{
|
|
$this->progressChar = $char;
|
|
}
|
|
|
|
/**
|
|
* Gets the progress bar character.
|
|
*
|
|
* @return string A character
|
|
*/
|
|
public function getProgressCharacter()
|
|
{
|
|
return $this->progressChar;
|
|
}
|
|
|
|
/**
|
|
* Sets the progress bar format.
|
|
*
|
|
* @param string $format The format
|
|
*/
|
|
public function setFormat($format)
|
|
{
|
|
$this->format = null;
|
|
$this->internalFormat = $format;
|
|
}
|
|
|
|
/**
|
|
* Sets the redraw frequency.
|
|
*
|
|
* @param int|float $freq The frequency in steps
|
|
*/
|
|
public function setRedrawFrequency($freq)
|
|
{
|
|
$this->redrawFreq = max((int) $freq, 1);
|
|
}
|
|
|
|
/**
|
|
* Starts the progress output.
|
|
*
|
|
* @param int|null $max Number of steps to complete the bar (0 if indeterminate), null to leave unchanged
|
|
*/
|
|
public function start($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 $step Number of steps to advance
|
|
*
|
|
* @throws LogicException
|
|
*/
|
|
public function advance($step = 1)
|
|
{
|
|
$this->setProgress($this->step + $step);
|
|
}
|
|
|
|
/**
|
|
* Sets whether to overwrite the progressbar, false for new line.
|
|
*
|
|
* @param bool $overwrite
|
|
*/
|
|
public function setOverwrite($overwrite)
|
|
{
|
|
$this->overwrite = (bool) $overwrite;
|
|
}
|
|
|
|
/**
|
|
* Sets the current progress.
|
|
*
|
|
* @param int $step The current progress
|
|
*
|
|
* @throws LogicException
|
|
*/
|
|
public function setProgress($step)
|
|
{
|
|
$step = (int) $step;
|
|
if ($step < $this->step) {
|
|
throw new LogicException('You can\'t regress the progress bar.');
|
|
}
|
|
|
|
if ($this->max && $step > $this->max) {
|
|
$this->max = $step;
|
|
}
|
|
|
|
$prevPeriod = (int) ($this->step / $this->redrawFreq);
|
|
$currPeriod = (int) ($step / $this->redrawFreq);
|
|
$this->step = $step;
|
|
$this->percent = $this->max ? (float) $this->step / $this->max : 0;
|
|
if ($prevPeriod !== $currPeriod || $this->max === $step) {
|
|
$this->display();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Finishes the progress output.
|
|
*/
|
|
public function finish()
|
|
{
|
|
if (!$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()
|
|
{
|
|
if (OutputInterface::VERBOSITY_QUIET === $this->output->getVerbosity()) {
|
|
return;
|
|
}
|
|
|
|
if (null === $this->format) {
|
|
$this->setRealFormat($this->internalFormat ?: $this->determineBestFormat());
|
|
}
|
|
|
|
$this->overwrite(preg_replace_callback("{%([a-z\-_]+)(?:\:([^%]+))?%}i", function ($matches) {
|
|
if ($formatter = $this::getPlaceholderFormatterDefinition($matches[1])) {
|
|
$text = call_user_func($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;
|
|
}, $this->format));
|
|
}
|
|
|
|
/**
|
|
* Removes the progress bar from the current line.
|
|
*
|
|
* This is useful if you wish to write some output
|
|
* while a progress bar is running.
|
|
* Call display() to show the progress bar again.
|
|
*/
|
|
public function clear()
|
|
{
|
|
if (!$this->overwrite) {
|
|
return;
|
|
}
|
|
|
|
if (null === $this->format) {
|
|
$this->setRealFormat($this->internalFormat ?: $this->determineBestFormat());
|
|
}
|
|
|
|
$this->overwrite('');
|
|
}
|
|
|
|
/**
|
|
* Sets the progress bar format.
|
|
*
|
|
* @param string $format The format
|
|
*/
|
|
private function setRealFormat($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");
|
|
}
|
|
|
|
/**
|
|
* Sets the progress bar maximal steps.
|
|
*
|
|
* @param int $max The progress bar max steps
|
|
*/
|
|
private function setMaxSteps($max)
|
|
{
|
|
$this->max = max(0, (int) $max);
|
|
$this->stepWidth = $this->max ? Helper::strlen($this->max) : 4;
|
|
}
|
|
|
|
/**
|
|
* Overwrites a previous message to the output.
|
|
*
|
|
* @param string $message The message
|
|
*/
|
|
private function overwrite($message)
|
|
{
|
|
if ($this->overwrite) {
|
|
if (!$this->firstRun) {
|
|
// Move the cursor to the beginning of the line
|
|
$this->output->write("\x0D");
|
|
|
|
// Erase the line
|
|
$this->output->write("\x1B[2K");
|
|
|
|
// Erase previous lines
|
|
if ($this->formatLineCount > 0) {
|
|
$this->output->write(str_repeat("\x1B[1A\x1B[2K", $this->formatLineCount));
|
|
}
|
|
}
|
|
} elseif ($this->step > 0) {
|
|
$this->output->writeln('');
|
|
}
|
|
|
|
$this->firstRun = false;
|
|
|
|
$this->output->write($message);
|
|
}
|
|
|
|
private function determineBestFormat()
|
|
{
|
|
switch ($this->output->getVerbosity()) {
|
|
// OutputInterface::VERBOSITY_QUIET: display is disabled anyway
|
|
case OutputInterface::VERBOSITY_VERBOSE:
|
|
return $this->max ? 'verbose' : 'verbose_nomax';
|
|
case OutputInterface::VERBOSITY_VERY_VERBOSE:
|
|
return $this->max ? 'very_verbose' : 'very_verbose_nomax';
|
|
case OutputInterface::VERBOSITY_DEBUG:
|
|
return $this->max ? 'debug' : 'debug_nomax';
|
|
default:
|
|
return $this->max ? 'normal' : 'normal_nomax';
|
|
}
|
|
}
|
|
|
|
private static function initPlaceholderFormatters()
|
|
{
|
|
return array(
|
|
'bar' => function (ProgressBar $bar, OutputInterface $output) {
|
|
$completeBars = floor($bar->getMaxSteps() > 0 ? $bar->getProgressPercent() * $bar->getBarWidth() : $bar->getProgress() % $bar->getBarWidth());
|
|
$display = str_repeat($bar->getBarCharacter(), $completeBars);
|
|
if ($completeBars < $bar->getBarWidth()) {
|
|
$emptyBars = $bar->getBarWidth() - $completeBars - Helper::strlenWithoutDecoration($output->getFormatter(), $bar->getProgressCharacter());
|
|
$display .= $bar->getProgressCharacter().str_repeat($bar->getEmptyBarCharacter(), $emptyBars);
|
|
}
|
|
|
|
return $display;
|
|
},
|
|
'elapsed' => function (ProgressBar $bar) {
|
|
return Helper::formatTime(time() - $bar->getStartTime());
|
|
},
|
|
'remaining' => function (ProgressBar $bar) {
|
|
if (!$bar->getMaxSteps()) {
|
|
throw new LogicException('Unable to display the remaining time if the maximum number of steps is not set.');
|
|
}
|
|
|
|
if (!$bar->getProgress()) {
|
|
$remaining = 0;
|
|
} else {
|
|
$remaining = round((time() - $bar->getStartTime()) / $bar->getProgress() * ($bar->getMaxSteps() - $bar->getProgress()));
|
|
}
|
|
|
|
return Helper::formatTime($remaining);
|
|
},
|
|
'estimated' => function (ProgressBar $bar) {
|
|
if (!$bar->getMaxSteps()) {
|
|
throw new LogicException('Unable to display the estimated time if the maximum number of steps is not set.');
|
|
}
|
|
|
|
if (!$bar->getProgress()) {
|
|
$estimated = 0;
|
|
} else {
|
|
$estimated = round((time() - $bar->getStartTime()) / $bar->getProgress() * $bar->getMaxSteps());
|
|
}
|
|
|
|
return Helper::formatTime($estimated);
|
|
},
|
|
'memory' => function (ProgressBar $bar) {
|
|
return Helper::formatMemory(memory_get_usage(true));
|
|
},
|
|
'current' => function (ProgressBar $bar) {
|
|
return str_pad($bar->getProgress(), $bar->getStepWidth(), ' ', STR_PAD_LEFT);
|
|
},
|
|
'max' => function (ProgressBar $bar) {
|
|
return $bar->getMaxSteps();
|
|
},
|
|
'percent' => function (ProgressBar $bar) {
|
|
return floor($bar->getProgressPercent() * 100);
|
|
},
|
|
);
|
|
}
|
|
|
|
private static function initFormats()
|
|
{
|
|
return array(
|
|
'normal' => ' %current%/%max% [%bar%] %percent:3s%%',
|
|
'normal_nomax' => ' %current% [%bar%]',
|
|
|
|
'verbose' => ' %current%/%max% [%bar%] %percent:3s%% %elapsed:6s%',
|
|
'verbose_nomax' => ' %current% [%bar%] %elapsed:6s%',
|
|
|
|
'very_verbose' => ' %current%/%max% [%bar%] %percent:3s%% %elapsed:6s%/%estimated:-6s%',
|
|
'very_verbose_nomax' => ' %current% [%bar%] %elapsed:6s%',
|
|
|
|
'debug' => ' %current%/%max% [%bar%] %percent:3s%% %elapsed:6s%/%estimated:-6s% %memory:6s%',
|
|
'debug_nomax' => ' %current% [%bar%] %elapsed:6s% %memory:6s%',
|
|
);
|
|
}
|
|
}
|