308 lines
8.4 KiB
PHP
308 lines
8.4 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\Exception\InvalidArgumentException;
|
|
use Symfony\Component\Console\Exception\LogicException;
|
|
use Symfony\Component\Console\Output\OutputInterface;
|
|
|
|
/**
|
|
* @author Kevin Bond <kevinbond@gmail.com>
|
|
*/
|
|
class ProgressIndicator
|
|
{
|
|
private $output;
|
|
private $startTime;
|
|
private $format;
|
|
private $message;
|
|
private $indicatorValues;
|
|
private $indicatorCurrent;
|
|
private $indicatorChangeInterval;
|
|
private $indicatorUpdateTime;
|
|
private $started = false;
|
|
|
|
private static $formatters;
|
|
private static $formats;
|
|
|
|
/**
|
|
* @param OutputInterface $output
|
|
* @param string|null $format Indicator format
|
|
* @param int $indicatorChangeInterval Change interval in milliseconds
|
|
* @param array|null $indicatorValues Animated indicator characters
|
|
*/
|
|
public function __construct(OutputInterface $output, $format = null, $indicatorChangeInterval = 100, $indicatorValues = null)
|
|
{
|
|
$this->output = $output;
|
|
|
|
if (null === $format) {
|
|
$format = $this->determineBestFormat();
|
|
}
|
|
|
|
if (null === $indicatorValues) {
|
|
$indicatorValues = array('-', '\\', '|', '/');
|
|
}
|
|
|
|
$indicatorValues = array_values($indicatorValues);
|
|
|
|
if (2 > count($indicatorValues)) {
|
|
throw new InvalidArgumentException('Must have at least 2 indicator value characters.');
|
|
}
|
|
|
|
$this->format = self::getFormatDefinition($format);
|
|
$this->indicatorChangeInterval = $indicatorChangeInterval;
|
|
$this->indicatorValues = $indicatorValues;
|
|
$this->startTime = time();
|
|
}
|
|
|
|
/**
|
|
* Sets the current indicator message.
|
|
*
|
|
* @param string|null $message
|
|
*/
|
|
public function setMessage($message)
|
|
{
|
|
$this->message = $message;
|
|
|
|
$this->display();
|
|
}
|
|
|
|
/**
|
|
* Gets the current indicator message.
|
|
*
|
|
* @return string|null
|
|
*
|
|
* @internal for PHP 5.3 compatibility
|
|
*/
|
|
public function getMessage()
|
|
{
|
|
return $this->message;
|
|
}
|
|
|
|
/**
|
|
* Gets the progress bar start time.
|
|
*
|
|
* @return int The progress bar start time
|
|
*
|
|
* @internal for PHP 5.3 compatibility
|
|
*/
|
|
public function getStartTime()
|
|
{
|
|
return $this->startTime;
|
|
}
|
|
|
|
/**
|
|
* Gets the current animated indicator character.
|
|
*
|
|
* @return string
|
|
*
|
|
* @internal for PHP 5.3 compatibility
|
|
*/
|
|
public function getCurrentValue()
|
|
{
|
|
return $this->indicatorValues[$this->indicatorCurrent % count($this->indicatorValues)];
|
|
}
|
|
|
|
/**
|
|
* Starts the indicator output.
|
|
*
|
|
* @param $message
|
|
*/
|
|
public function start($message)
|
|
{
|
|
if ($this->started) {
|
|
throw new LogicException('Progress indicator already started.');
|
|
}
|
|
|
|
$this->message = $message;
|
|
$this->started = true;
|
|
$this->startTime = time();
|
|
$this->indicatorUpdateTime = $this->getCurrentTimeInMilliseconds() + $this->indicatorChangeInterval;
|
|
$this->indicatorCurrent = 0;
|
|
|
|
$this->display();
|
|
}
|
|
|
|
/**
|
|
* Advances the indicator.
|
|
*/
|
|
public function advance()
|
|
{
|
|
if (!$this->started) {
|
|
throw new LogicException('Progress indicator has not yet been started.');
|
|
}
|
|
|
|
if (!$this->output->isDecorated()) {
|
|
return;
|
|
}
|
|
|
|
$currentTime = $this->getCurrentTimeInMilliseconds();
|
|
|
|
if ($currentTime < $this->indicatorUpdateTime) {
|
|
return;
|
|
}
|
|
|
|
$this->indicatorUpdateTime = $currentTime + $this->indicatorChangeInterval;
|
|
++$this->indicatorCurrent;
|
|
|
|
$this->display();
|
|
}
|
|
|
|
/**
|
|
* Finish the indicator with message.
|
|
*
|
|
* @param $message
|
|
*/
|
|
public function finish($message)
|
|
{
|
|
if (!$this->started) {
|
|
throw new LogicException('Progress indicator has not yet been started.');
|
|
}
|
|
|
|
$this->message = $message;
|
|
$this->display();
|
|
$this->output->writeln('');
|
|
$this->started = false;
|
|
}
|
|
|
|
/**
|
|
* 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;
|
|
}
|
|
|
|
/**
|
|
* 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, $callable)
|
|
{
|
|
if (!self::$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;
|
|
}
|
|
|
|
private function display()
|
|
{
|
|
if (OutputInterface::VERBOSITY_QUIET === $this->output->getVerbosity()) {
|
|
return;
|
|
}
|
|
|
|
$self = $this;
|
|
|
|
$this->overwrite(preg_replace_callback("{%([a-z\-_]+)(?:\:([^%]+))?%}i", function ($matches) use ($self) {
|
|
if ($formatter = $self::getPlaceholderFormatterDefinition($matches[1])) {
|
|
return call_user_func($formatter, $self);
|
|
}
|
|
|
|
return $matches[0];
|
|
}, $this->format));
|
|
}
|
|
|
|
private function determineBestFormat()
|
|
{
|
|
switch ($this->output->getVerbosity()) {
|
|
// OutputInterface::VERBOSITY_QUIET: display is disabled anyway
|
|
case OutputInterface::VERBOSITY_VERBOSE:
|
|
return $this->output->isDecorated() ? 'verbose' : 'verbose_no_ansi';
|
|
case OutputInterface::VERBOSITY_VERY_VERBOSE:
|
|
case OutputInterface::VERBOSITY_DEBUG:
|
|
return $this->output->isDecorated() ? 'very_verbose' : 'very_verbose_no_ansi';
|
|
default:
|
|
return $this->output->isDecorated() ? 'normal' : 'normal_no_ansi';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Overwrites a previous message to the output.
|
|
*
|
|
* @param string $message The message
|
|
*/
|
|
private function overwrite($message)
|
|
{
|
|
if ($this->output->isDecorated()) {
|
|
$this->output->write("\x0D\x1B[2K");
|
|
$this->output->write($message);
|
|
} else {
|
|
$this->output->writeln($message);
|
|
}
|
|
}
|
|
|
|
private function getCurrentTimeInMilliseconds()
|
|
{
|
|
return round(microtime(true) * 1000);
|
|
}
|
|
|
|
private static function initPlaceholderFormatters()
|
|
{
|
|
return array(
|
|
'indicator' => function (ProgressIndicator $indicator) {
|
|
return $indicator->getCurrentValue();
|
|
},
|
|
'message' => function (ProgressIndicator $indicator) {
|
|
return $indicator->getMessage();
|
|
},
|
|
'elapsed' => function (ProgressIndicator $indicator) {
|
|
return Helper::formatTime(time() - $indicator->getStartTime());
|
|
},
|
|
'memory' => function () {
|
|
return Helper::formatMemory(memory_get_usage(true));
|
|
},
|
|
);
|
|
}
|
|
|
|
private static function initFormats()
|
|
{
|
|
return array(
|
|
'normal' => ' %indicator% %message%',
|
|
'normal_no_ansi' => ' %message%',
|
|
|
|
'verbose' => ' %indicator% %message% (%elapsed:6s%)',
|
|
'verbose_no_ansi' => ' %message% (%elapsed:6s%)',
|
|
|
|
'very_verbose' => ' %indicator% %message% (%elapsed:6s%, %memory:6s%)',
|
|
'very_verbose_no_ansi' => ' %message% (%elapsed:6s%, %memory:6s%)',
|
|
);
|
|
}
|
|
}
|