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<?php
/**
* File containing the ezcConsoleProgressbar class.
*
* @package ConsoleTools
* @version 1.6.1
* @copyright Copyright (C) 2005-2010 eZ Systems AS. All rights reserved.
* @license http://ez.no/licenses/new_bsd New BSD License
* @filesource
*/
/**
* Creating and maintaining progress-bars to be printed to the console.
*
* <code>
* $out = new ezcConsoleOutput();
*
* // Create progress bar itself
* $progress = new ezcConsoleProgressbar( $out, 100, array( 'step' => 5 ) );
*
* $progress->options->emptyChar = '-';
* $progress->options->progressChar = '#';
* $progress->options->formatString = "Uploading file </tmp/foobar.tar.bz2>: %act%/%max% kb [%bar%]";
*
* // Perform actions
* $i = 0;
* while ( $i++ < 20 )
* {
* // Do whatever you want to indicate progress for
* usleep( mt_rand( 20000, 2000000 ) );
* // Advance the progressbar by one step ( uploading 5k per run )
* $progress->advance();
* }
*
* // Finish progress bar and jump to next line.
* $progress->finish();
*
* $out->outputText( "Successfully uploaded </tmp/foobar.tar.bz2>.\n", 'success' );
* </code>
*
* @property ezcConsoleProgressbarOptions $options
* Contains the options for this class.
* @property int $max
* The maximum progress value to reach.
*
* @package ConsoleTools
* @version 1.6.1
* @mainclass
*/
class ezcConsoleProgressbar
{
/**
* Container to hold the properties
*
* @var array(string=>mixed)
*/
protected $properties;
/**
* Storage for actual values to be replaced in the format string.
* Actual values are stored here and will be inserted into the bar
* before printing it.
*
* @var array(string=>string)
*/
protected $valueMap = array(
'bar' => '',
'fraction' => '',
'act' => '',
'max' => '',
);
/**
* Stores the bar utilization.
*
* This array saves how much space a specific part of the bar utilizes to not
* recalculate those on every step.
*
* @var array(string=>int)
*/
protected $measures = array(
'barSpace' => 0,
'fractionSpace' => 0,
'actSpace' => 0,
'maxSpace' => 0,
'fixedCharSpace' => 0,
);
/**
* The current step the progress bar should show.
*
* @var int
*/
protected $currentStep = 0;
/**
* The maximum number of steps to go.
* Calculated once from the settings.
*
* @var int
*/
protected $numSteps = 0;
/**
* The ezcConsoleOutput object to use.
*
* @var ezcConsoleOutput
*/
protected $output;
/**
* Indicates if the starting point for the bar has been stored.
* Per default this is false to indicate that no start position has been
* stored, yet.
*
* @var bool
*/
protected $started = false;
/**
* Tool object to perform multi-byte encoding safe string operations.
*
* @var ezcConsoleStringTool
*/
private $stringTool;
/**
* Creates a new progress bar.
*
* @param ezcConsoleOutput $outHandler Handler to utilize for output
* @param int $max Maximum value, where progressbar
* reaches 100%.
* @param array(string=>string) $options Options
*
* @see ezcConsoleProgressbar::$options
*/
public function __construct( ezcConsoleOutput $outHandler, $max, array $options = array() )
{
$this->output = $outHandler;
$this->stringTool = new ezcConsoleStringTool();
$this->__set( 'max', $max );
$this->properties['options'] = new ezcConsoleProgressbarOptions( $options );
}
/**
* Set new options.
* This method allows you to change the options of progressbar.
*
* @param ezcConsoleProgresbarOptions $options The options to set.
*
* @throws ezcBaseSettingNotFoundException
* If you tried to set a non-existent option value.
* @throws ezcBaseSettingValueException
* If the value is not valid for the desired option.
* @throws ezcBaseValueException
* If you submit neither an array nor an instance of
* ezcConsoleProgresbarOptions.
*/
public function setOptions( $options )
{
if ( is_array( $options ) )
{
$this->properties['options']->merge( $options );
}
else if ( $options instanceof ezcConsoleProgressbarOptions )
{
$this->properties['options'] = $options;
}
else
{
throw new ezcBaseValueException( "options", $options, "instance of ezcConsoleProgressbarOptions" );
}
}
/**
* Returns the current options.
* Returns the options currently set for this progressbar.
*
* @return ezcConsoleProgressbarOptions The current options.
*/
public function getOptions()
{
return $this->properties['options'];
}
/**
* Property read access.
*
* @param string $key Name of the property.
* @return mixed Value of the property or null.
*
* @throws ezcBasePropertyNotFoundException
* If the the desired property is not found.
* @ignore
*/
public function __get( $key )
{
switch ( $key )
{
case 'options':
return $this->properties['options'];
case 'step':
// Step is now an option
return $this->properties['options']->step;
case 'max':
return $this->properties[$key];
default:
break;
}
throw new ezcBasePropertyNotFoundException( $key );
}
/**
* Property write access.
*
* @param string $key Name of the property.
* @param mixed $val The value for the property.
*
* @throws ezcBasePropertyNotFoundException
* If a desired property could not be found.
* @throws ezcBaseValueException
* If a desired property value is out of range.
* @ignore
*/
public function __set( $key, $val )
{
switch ( $key )
{
case 'options':
if ( !( $val instanceof ezcConsoleProgressbarOptions ) )
{
throw new ezcBaseValueException( 'options', $val, 'instance of ezcConsoleProgressbarOptions' );
};
break;
case 'max':
if ( ( !is_int( $val ) && !is_float( $val ) ) || $val < 0 )
{
throw new ezcBaseValueException( $key, $val, 'number >= 0' );
}
break;
case 'step':
if ( ( !is_int( $val ) && !is_float( $val ) ) || $val < 0 )
{
throw new ezcBaseValueException( $key, $val, 'number >= 0' );
}
// Step is now an option.
$this->properties['options']->step = $val;
return;
default:
throw new ezcBasePropertyNotFoundException( $key );
break;
}
// Changes settings or options, need for recalculating measures
$this->started = false;
$this->properties[$key] = $val;
}
/**
* Property isset access.
*
* @param string $key Name of the property.
* @return bool True is the property is set, otherwise false.
* @ignore
*/
public function __isset( $key )
{
switch ( $key )
{
case 'options':
case 'max':
case 'step':
return true;
}
return false;
}
/**
* Start the progress bar
* Starts the progress bar and sticks it to the current line.
* No output will be done yet. Call {@link ezcConsoleProgressbar::output()}
* to print the bar.
*
* @return void
*/
public function start()
{
$this->calculateMeasures();
$this->output->storePos();
$this->started = true;
}
/**
* Draw the progress bar.
* Prints the progress-bar to the screen. If start() has not been called
* yet, the current line is used for {@link ezcConsolProgressbar::start()}.
*
* @return void
*/
public function output()
{
if ( $this->options->minVerbosity > $this->output->options->verbosityLevel
|| ( $this->options->maxVerbosity !== false
&& $this->options->maxVerbosity < $this->output->options->verbosityLevel
)
)
{
// Do not print progress bar if verbosity level is lower than it's
// output objects value.
return;
}
if ( $this->started === false )
{
$this->start();
}
$this->output->restorePos();
if ( ezcBaseFeatures::os() === "Windows" )
{
echo str_repeat( "\x8", $this->options->width );
}
$this->generateValues();
echo $this->insertValues();
}
/**
* Advance the progress bar.
* Advances the progress bar by $step steps. Redraws the bar by default,
* using the {@link ezcConsoleProgressbar::output()} method.
*
* @param bool $redraw Whether to redraw the bar immediately.
* @param int $step How many steps to advance.
* @return void
*/
public function advance( $redraw = true, $step = 1 )
{
$this->currentStep += $step;
if ( $redraw === true && $this->currentStep % $this->properties['options']->redrawFrequency === 0 )
{
$this->output();
}
}
/**
* Finish the progress bar.
* Finishes the bar (jump to 100% if not happened yet,...) and jumps
* to the next line to allow new output. Also resets the values of the
* output handler used, if changed.
*
* @return void
*/
public function finish()
{
$this->currentStep = $this->numSteps;
$this->output();
}
/**
* Generate all values to be replaced in the format string.
*
* @return void
*/
protected function generateValues()
{
// Bar
$barFilledSpace = ceil( $this->measures['barSpace'] / $this->numSteps * $this->currentStep );
// Sanitize value if it gets to large by rounding
$barFilledSpace = $barFilledSpace > $this->measures['barSpace'] ? $this->measures['barSpace'] : $barFilledSpace;
$bar = $this->stringTool->strPad(
$this->stringTool->strPad(
$this->properties['options']->progressChar,
$barFilledSpace,
$this->properties['options']->barChar,
STR_PAD_LEFT
),
$this->measures['barSpace'],
$this->properties['options']->emptyChar,
STR_PAD_RIGHT
);
$this->valueMap['bar'] = $bar;
// Fraction
$fractionVal = sprintf(
$this->properties['options']->fractionFormat,
( $fractionVal = ( $this->properties['options']->step * $this->currentStep ) / $this->max * 100 ) > 100 ? 100 : $fractionVal
);
$this->valueMap['fraction'] = $this->stringTool->strPad(
$fractionVal,
iconv_strlen( sprintf( $this->properties['options']->fractionFormat, 100 ), 'UTF-8' ),
' ',
STR_PAD_LEFT
);
// Act / max
$actVal = sprintf(
$this->properties['options']->actFormat,
( $actVal = $this->currentStep * $this->properties['options']->step ) > $this->max ? $this->max : $actVal
);
$this->valueMap['act'] = $this->stringTool->strPad(
$actVal,
iconv_strlen( sprintf( $this->properties['options']->actFormat, $this->max ), 'UTF-8' ),
' ',
STR_PAD_LEFT
);
$this->valueMap['max'] = sprintf( $this->properties['options']->maxFormat, $this->max );
}
/**
* Insert values into bar format string.
*
* @return void
*/
protected function insertValues()
{
$bar = $this->properties['options']->formatString;
foreach ( $this->valueMap as $name => $val )
{
$bar = str_replace( "%{$name}%", $val, $bar );
}
return $bar;
}
/**
* Calculate several measures necessary to generate a bar.
*
* @return void
*/
protected function calculateMeasures()
{
// Calc number of steps bar goes through
$this->numSteps = ( int ) round( $this->max / $this->properties['options']->step );
// Calculate measures
$this->measures['fixedCharSpace'] = iconv_strlen( $this->stripEscapeSequences( $this->insertValues() ), 'UTF-8' );
if ( iconv_strpos( $this->properties['options']->formatString, '%max%', 0, 'UTF-8' ) !== false )
{
$this->measures['maxSpace'] = iconv_strlen( sprintf( $this->properties['options']->maxFormat, $this->max ), 'UTF-8' );
}
if ( iconv_strpos( $this->properties['options']->formatString, '%act%', 0, 'UTF-8' ) !== false )
{
$this->measures['actSpace'] = iconv_strlen( sprintf( $this->properties['options']->actFormat, $this->max ), 'UTF-8' );
}
if ( iconv_strpos( $this->properties['options']->formatString, '%fraction%', 0, 'UTF-8' ) !== false )
{
$this->measures['fractionSpace'] = iconv_strlen( sprintf( $this->properties['options']->fractionFormat, 100 ), 'UTF-8' );
}
$this->measures['barSpace'] = $this->properties['options']->width - array_sum( $this->measures );
}
/**
* Strip all escape sequences from a string to measure it's size correctly.
*
* @param mixed $str
* @return void
*/
protected function stripEscapeSequences( $str )
{
return preg_replace( '/\033\[[0-9a-f;]*m/i', '', $str );
}
}
?>
Hacked By AnonymousFox1.0, Coded By AnonymousFox