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Commit 7e0d35c3 by Carsten Brandt
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Merge pull request #144 from tonydspaniard/master

Proposed refactor of ConsoleColor to Console
parents 92ec41cc e1c78823
Showing with 487 additions and 76 deletions
framework/helpers/ConsoleColor.php → framework/helpers/Console.php
...@@ -18,6 +18,6 @@ namespace yii\helpers; ...@@ -18,6 +18,6 @@ namespace yii\helpers;
* @author Carsten Brandt <mail@cebe.cc> * @author Carsten Brandt <mail@cebe.cc>
* @since 2.0 * @since 2.0
*/ */
class ConsoleColor extends base\ConsoleColor class Console extends base\Console
{ {
} }
framework/helpers/base/ConsoleColor.php → framework/helpers/base/Console.php
...@@ -18,7 +18,7 @@ namespace yii\helpers\base; ...@@ -18,7 +18,7 @@ namespace yii\helpers\base;
* @author Carsten Brandt <mail@cebe.cc> * @author Carsten Brandt <mail@cebe.cc>
* @since 2.0 * @since 2.0
*/ */
class ConsoleColor class Console
{ {
const FG_BLACK = 30; const FG_BLACK = 30;
const FG_RED = 31; const FG_RED = 31;
...@@ -38,6 +38,7 @@ class ConsoleColor ...@@ -38,6 +38,7 @@ class ConsoleColor
const BG_CYAN = 46; const BG_CYAN = 46;
const BG_GREY = 47; const BG_GREY = 47;
const NORMAL = 0;
const BOLD = 1; const BOLD = 1;
const ITALIC = 3; const ITALIC = 3;
const UNDERLINE = 4; const UNDERLINE = 4;
...@@ -54,9 +55,9 @@ class ConsoleColor ...@@ -54,9 +55,9 @@ class ConsoleColor
* If the cursor is already at the edge of the screen, this has no effect. * If the cursor is already at the edge of the screen, this has no effect.
* @param integer $rows number of rows the cursor should be moved up * @param integer $rows number of rows the cursor should be moved up
*/ */
public static function moveCursorUp($rows=1) public static function moveCursorUp($rows = 1)
{ {
echo "\033[" . (int) $rows . 'A'; echo "\033[" . (int)$rows . 'A';
} }
/** /**
...@@ -64,9 +65,9 @@ class ConsoleColor ...@@ -64,9 +65,9 @@ class ConsoleColor
* If the cursor is already at the edge of the screen, this has no effect. * If the cursor is already at the edge of the screen, this has no effect.
* @param integer $rows number of rows the cursor should be moved down * @param integer $rows number of rows the cursor should be moved down
*/ */
public static function moveCursorDown($rows=1) public static function moveCursorDown($rows = 1)
{ {
echo "\033[" . (int) $rows . 'B'; echo "\033[" . (int)$rows . 'B';
} }
/** /**
...@@ -74,9 +75,9 @@ class ConsoleColor ...@@ -74,9 +75,9 @@ class ConsoleColor
* If the cursor is already at the edge of the screen, this has no effect. * If the cursor is already at the edge of the screen, this has no effect.
* @param integer $steps number of steps the cursor should be moved forward * @param integer $steps number of steps the cursor should be moved forward
*/ */
public static function moveCursorForward($steps=1) public static function moveCursorForward($steps = 1)
{ {
echo "\033[" . (int) $steps . 'C'; echo "\033[" . (int)$steps . 'C';
} }
/** /**
...@@ -84,27 +85,27 @@ class ConsoleColor ...@@ -84,27 +85,27 @@ class ConsoleColor
* If the cursor is already at the edge of the screen, this has no effect. * If the cursor is already at the edge of the screen, this has no effect.
* @param integer $steps number of steps the cursor should be moved backward * @param integer $steps number of steps the cursor should be moved backward
*/ */
public static function moveCursorBackward($steps=1) public static function moveCursorBackward($steps = 1)
{ {
echo "\033[" . (int) $steps . 'D'; echo "\033[" . (int)$steps . 'D';
} }
/** /**
* Moves the terminal cursor to the beginning of the next line by sending ANSI control code CNL to the terminal. * Moves the terminal cursor to the beginning of the next line by sending ANSI control code CNL to the terminal.
* @param integer $lines number of lines the cursor should be moved down * @param integer $lines number of lines the cursor should be moved down
*/ */
public static function moveCursorNextLine($lines=1) public static function moveCursorNextLine($lines = 1)
{ {
echo "\033[" . (int) $lines . 'E'; echo "\033[" . (int)$lines . 'E';
} }
/** /**
* Moves the terminal cursor to the beginning of the previous line by sending ANSI control code CPL to the terminal. * Moves the terminal cursor to the beginning of the previous line by sending ANSI control code CPL to the terminal.
* @param integer $lines number of lines the cursor should be moved up * @param integer $lines number of lines the cursor should be moved up
*/ */
public static function moveCursorPrevLine($lines=1) public static function moveCursorPrevLine($lines = 1)
{ {
echo "\033[" . (int) $lines . 'F'; echo "\033[" . (int)$lines . 'F';
} }
/** /**
...@@ -112,12 +113,12 @@ class ConsoleColor ...@@ -112,12 +113,12 @@ class ConsoleColor
* @param integer $column 1-based column number, 1 is the left edge of the screen. * @param integer $column 1-based column number, 1 is the left edge of the screen.
* @param integer|null $row 1-based row number, 1 is the top edge of the screen. if not set, will move cursor only in current line. * @param integer|null $row 1-based row number, 1 is the top edge of the screen. if not set, will move cursor only in current line.
*/ */
public static function moveCursorTo($column, $row=null) public static function moveCursorTo($column, $row = null)
{ {
if ($row === null) { if ($row === null) {
echo "\033[" . (int) $column . 'G'; echo "\033[" . (int)$column . 'G';
} else { } else {
echo "\033[" . (int) $row . ';' . (int) $column . 'H'; echo "\033[" . (int)$row . ';' . (int)$column . 'H';
} }
} }
...@@ -126,9 +127,9 @@ class ConsoleColor ...@@ -126,9 +127,9 @@ class ConsoleColor
* New lines are added at the bottom. This is not supported by ANSI.SYS used in windows. * New lines are added at the bottom. This is not supported by ANSI.SYS used in windows.
* @param int $lines number of lines to scroll up * @param int $lines number of lines to scroll up
*/ */
public static function scrollUp($lines=1) public static function scrollUp($lines = 1)
{ {
echo "\033[".(int)$lines."S"; echo "\033[" . (int)$lines . "S";
} }
/** /**
...@@ -136,9 +137,9 @@ class ConsoleColor ...@@ -136,9 +137,9 @@ class ConsoleColor
* New lines are added at the top. This is not supported by ANSI.SYS used in windows. * New lines are added at the top. This is not supported by ANSI.SYS used in windows.
* @param int $lines number of lines to scroll down * @param int $lines number of lines to scroll down
*/ */
public static function scrollDown($lines=1) public static function scrollDown($lines = 1)
{ {
echo "\033[".(int)$lines."T"; echo "\033[" . (int)$lines . "T";
} }
/** /**
...@@ -254,18 +255,18 @@ class ConsoleColor ...@@ -254,18 +255,18 @@ class ConsoleColor
$args = func_get_args(); $args = func_get_args();
array_shift($args); array_shift($args);
$code = implode(';', $args); $code = implode(';', $args);
return "\033[0m" . ($code !== '' ? "\033[" . $code . "m" : '') . $string."\033[0m"; return "\033[0m" . ($code !== '' ? "\033[" . $code . "m" : '') . $string . "\033[0m";
} }
//const COLOR_XTERM256 = 38;// http://en.wikipedia.org/wiki/Talk:ANSI_escape_code#xterm-256colors //const COLOR_XTERM256 = 38;// http://en.wikipedia.org/wiki/Talk:ANSI_escape_code#xterm-256colors
public static function xterm256ColorFg($i) // TODO naming! public static function xterm256ColorFg($i) // TODO naming!
{ {
return '38;5;'.$i; return '38;5;' . $i;
} }
public static function xterm256ColorBg($i) // TODO naming! public static function xterm256ColorBg($i) // TODO naming!
{ {
return '48;5;'.$i; return '48;5;' . $i;
} }
/** /**
...@@ -276,7 +277,7 @@ class ConsoleColor ...@@ -276,7 +277,7 @@ class ConsoleColor
public static function getScreenSize() public static function getScreenSize()
{ {
// TODO implement // TODO implement
return array(150,50); return array(150, 50);
} }
/** /**
...@@ -303,34 +304,78 @@ class ConsoleColor ...@@ -303,34 +304,78 @@ class ConsoleColor
public static function ansiToHtml($string) public static function ansiToHtml($string)
{ {
$tags = 0; $tags = 0;
return preg_replace_callback('/\033\[[\d;]+m/', function($ansi) use (&$tags) { return preg_replace_callback(
'/\033\[[\d;]+m/',
function ($ansi) use (&$tags) {
$styleA = array(); $styleA = array();
foreach(explode(';', $ansi) as $controlCode) foreach (explode(';', $ansi) as $controlCode) {
{ switch ($controlCode) {
switch($controlCode) case static::FG_BLACK:
{ $style = array('color' => '#000000');
case static::FG_BLACK: $style = array('color' => '#000000'); break; break;
case static::FG_BLUE: $style = array('color' => '#000078'); break; case static::FG_BLUE:
case static::FG_CYAN: $style = array('color' => '#007878'); break; $style = array('color' => '#000078');
case static::FG_GREEN: $style = array('color' => '#007800'); break; break;
case static::FG_GREY: $style = array('color' => '#787878'); break; case static::FG_CYAN:
case static::FG_PURPLE: $style = array('color' => '#780078'); break; $style = array('color' => '#007878');
case static::FG_RED: $style = array('color' => '#780000'); break; break;
case static::FG_YELLOW: $style = array('color' => '#787800'); break; case static::FG_GREEN:
case static::BG_BLACK: $style = array('background-color' => '#000000'); break; $style = array('color' => '#007800');
case static::BG_BLUE: $style = array('background-color' => '#000078'); break; break;
case static::BG_CYAN: $style = array('background-color' => '#007878'); break; case static::FG_GREY:
case static::BG_GREEN: $style = array('background-color' => '#007800'); break; $style = array('color' => '#787878');
case static::BG_GREY: $style = array('background-color' => '#787878'); break; break;
case static::BG_PURPLE: $style = array('background-color' => '#780078'); break; case static::FG_PURPLE:
case static::BG_RED: $style = array('background-color' => '#780000'); break; $style = array('color' => '#780078');
case static::BG_YELLOW: $style = array('background-color' => '#787800'); break; break;
case static::BOLD: $style = array('font-weight' => 'bold'); break; case static::FG_RED:
case static::ITALIC: $style = array('font-style' => 'italic'); break; $style = array('color' => '#780000');
case static::UNDERLINE: $style = array('text-decoration' => array('underline')); break; break;
case static::OVERLINED: $style = array('text-decoration' => array('overline')); break; case static::FG_YELLOW:
case static::CROSSED_OUT:$style = array('text-decoration' => array('line-through')); break; $style = array('color' => '#787800');
case static::BLINK: $style = array('text-decoration' => array('blink')); break; break;
case static::BG_BLACK:
$style = array('background-color' => '#000000');
break;
case static::BG_BLUE:
$style = array('background-color' => '#000078');
break;
case static::BG_CYAN:
$style = array('background-color' => '#007878');
break;
case static::BG_GREEN:
$style = array('background-color' => '#007800');
break;
case static::BG_GREY:
$style = array('background-color' => '#787878');
break;
case static::BG_PURPLE:
$style = array('background-color' => '#780078');
break;
case static::BG_RED:
$style = array('background-color' => '#780000');
break;
case static::BG_YELLOW:
$style = array('background-color' => '#787800');
break;
case static::BOLD:
$style = array('font-weight' => 'bold');
break;
case static::ITALIC:
$style = array('font-style' => 'italic');
break;
case static::UNDERLINE:
$style = array('text-decoration' => array('underline'));
break;
case static::OVERLINED:
$style = array('text-decoration' => array('overline'));
break;
case static::CROSSED_OUT:
$style = array('text-decoration' => array('line-through'));
break;
case static::BLINK:
$style = array('text-decoration' => array('blink'));
break;
case static::NEGATIVE: // ??? case static::NEGATIVE: // ???
case static::CONCEALED: case static::CONCEALED:
case static::ENCIRCLED: case static::ENCIRCLED:
...@@ -339,7 +384,7 @@ class ConsoleColor ...@@ -339,7 +384,7 @@ class ConsoleColor
break; break;
case 0: // ansi reset case 0: // ansi reset
$return = ''; $return = '';
for($n=$tags; $tags>0; $tags--) { for ($n = $tags; $tags > 0; $tags--) {
$return .= '</span>'; $return .= '</span>';
} }
return $return; return $return;
...@@ -348,15 +393,69 @@ class ConsoleColor ...@@ -348,15 +393,69 @@ class ConsoleColor
$styleA = ArrayHelper::merge($styleA, $style); $styleA = ArrayHelper::merge($styleA, $style);
} }
$styleString[] = array(); $styleString[] = array();
foreach($styleA as $name => $content) { foreach ($styleA as $name => $content) {
if ($name === 'text-decoration') { if ($name === 'text-decoration') {
$content = implode(' ', $content); $content = implode(' ', $content);
} }
$styleString[] = $name.':'.$content; $styleString[] = $name . ':' . $content;
} }
$tags++; $tags++;
return '<span' . (!empty($styleString) ? 'style="' . implode(';', $styleString) : '') . '>'; return '<span' . (!empty($styleString) ? 'style="' . implode(';', $styleString) : '') . '>';
}, $string); },
$string
);
}
/**
*
* Returns an ANSI-Controlcode
*
* Takes 1 to 3 Arguments: either 1 to 3 strings containing the name of the
* FG Color, style and BG color, or one array with the indices color, style
* or background.
*
* @param mixed $color Optional.
* Either a string with the name of the foreground
* color, or an array with the indices 'color',
* 'style', 'background' and corresponding names as
* values.
* @param string $style Optional name of the style
* @param string $background Optional name of the background color
*
* @return string
*/
public function color($color = null, $style = null, $background = null) // {{{
{
$colors = static::getColorCodes();
if (is_array($color)) {
$style = isset($color['style']) ? $color['style'] : null;
$background = isset($color['background']) ? $color['background'] : null;
$color = isset($color['color']) ? $color['color'] : null;
}
if ($color == 'reset') {
return "\033[0m";
}
$code = array();
if (isset($style)) {
$code[] = $colors['style'][$style];
}
if (isset($color)) {
$code[] = $colors['color'][$color];
}
if (isset($background)) {
$code[] = $colors['background'][$background];
}
if (empty($code)) {
$code[] = 0;
}
$code = implode(';', $code);
return "\033[{$code}m";
} }
/** /**
...@@ -395,24 +494,21 @@ class ConsoleColor ...@@ -395,24 +494,21 @@ class ConsoleColor
* *
* @return string * @return string
*/ */
public static function renderColoredString($string) public static function renderColoredString($string, $colored = true)
{ {
$colored = true; static $conversions = array( // static so the array doesn't get built
static $conversions = array ( // static so the array doesn't get built
// everytime // everytime
// %y - yellow, and so on... {{{ // %y - yellow, and so on... {{{
'%y' => array('color' => 'yellow'), '%y' => array('color' => 'yellow'),
'%g' => array('color' => 'green' ), '%g' => array('color' => 'green'),
'%b' => array('color' => 'blue' ), '%b' => array('color' => 'blue'),
'%r' => array('color' => 'red' ), '%r' => array('color' => 'red'),
'%p' => array('color' => 'purple'), '%p' => array('color' => 'purple'),
'%m' => array('color' => 'purple'), '%m' => array('color' => 'purple'),
'%c' => array('color' => 'cyan' ), '%c' => array('color' => 'cyan'),
'%w' => array('color' => 'grey' ), '%w' => array('color' => 'grey'),
'%k' => array('color' => 'black' ), '%k' => array('color' => 'black'),
'%n' => array('color' => 'reset' ), '%n' => array('color' => 'reset'),
'%Y' => array('color' => 'yellow', 'style' => 'light'), '%Y' => array('color' => 'yellow', 'style' => 'light'),
'%G' => array('color' => 'green', 'style' => 'light'), '%G' => array('color' => 'green', 'style' => 'light'),
'%B' => array('color' => 'blue', 'style' => 'light'), '%B' => array('color' => 'blue', 'style' => 'light'),
...@@ -424,13 +520,13 @@ class ConsoleColor ...@@ -424,13 +520,13 @@ class ConsoleColor
'%K' => array('color' => 'black', 'style' => 'light'), '%K' => array('color' => 'black', 'style' => 'light'),
'%N' => array('color' => 'reset', 'style' => 'light'), '%N' => array('color' => 'reset', 'style' => 'light'),
'%3' => array('background' => 'yellow'), '%3' => array('background' => 'yellow'),
'%2' => array('background' => 'green' ), '%2' => array('background' => 'green'),
'%4' => array('background' => 'blue' ), '%4' => array('background' => 'blue'),
'%1' => array('background' => 'red' ), '%1' => array('background' => 'red'),
'%5' => array('background' => 'purple'), '%5' => array('background' => 'purple'),
'%6' => array('background' => 'cyan' ), '%6' => array('background' => 'cyan'),
'%7' => array('background' => 'grey' ), '%7' => array('background' => 'grey'),
'%0' => array('background' => 'black' ), '%0' => array('background' => 'black'),
// Don't use this, I can't stand flashing text // Don't use this, I can't stand flashing text
'%F' => array('style' => 'blink'), '%F' => array('style' => 'blink'),
'%U' => array('style' => 'underline'), '%U' => array('style' => 'underline'),
...@@ -443,8 +539,11 @@ class ConsoleColor ...@@ -443,8 +539,11 @@ class ConsoleColor
if ($colored) { if ($colored) {
$string = str_replace('%%', '% ', $string); $string = str_replace('%%', '% ', $string);
foreach ($conversions as $key => $value) { foreach ($conversions as $key => $value) {
$string = str_replace($key, Console_Color::color($value), $string = str_replace(
$string); $key,
static::color($value),
$string
);
} }
$string = str_replace('% ', '%', $string); $string = str_replace('% ', '%', $string);
...@@ -456,6 +555,49 @@ class ConsoleColor ...@@ -456,6 +555,49 @@ class ConsoleColor
} }
/** /**
* Returns the different foreground and background color codes and styles available.
* @return array the color codes
*/
public static function getColorCodes()
{
return array(
'color' => array(
'black' => static::FG_BLACK,
'red' => static::FG_RED,
'green' => static::FG_GREEN,
'yellow' => static::FG_YELLOW,
'blue' => static::FG_BLUE,
'purple' => static::FG_PURPLE,
'cyan' => static::FG_CYAN,
'grey' => static::FG_GREY,
),
'style' => array(
'normal' => static::NORMAL,
'bold' => static::BOLD,
'italic' => static::ITALIC,
'underline' => static::UNDERLINE,
'blink' => static::BLINK,
'negative' => static::NEGATIVE,
'concealed' => static::CONCEALED,
'crossed_out' => static::CROSSED_OUT,
'framed' => static::FRAMED,
'encircled' => static::ENCIRCLED,
'overlined' => static::OVERLINED
),
'background' => array(
'black' => static::BG_BLACK,
'red' => static::BG_RED,
'green' => static::BG_RED,
'yellow' => static::BG_YELLOW,
'blue' => static::BG_BLUE,
'purple' => static::BG_PURPLE,
'cyan' => static::BG_CYAN,
'grey' => static::BG_GREY
)
);
}
/**
* Escapes % so they don't get interpreted as color codes * Escapes % so they don't get interpreted as color codes
* *
* @param string $string String to escape * @param string $string String to escape
...@@ -467,4 +609,273 @@ class ConsoleColor ...@@ -467,4 +609,273 @@ class ConsoleColor
{ {
return str_replace('%', '%%', $string); return str_replace('%', '%%', $string);
} }
/**
* Returns true if the stream supports colorization. ANSI colors is disabled if not supported by the stream.
*
* - windows without asicon
* - not tty consoles
*
* @param mixed $stream
* @return bool true if the stream supports ANSI colors, otherwise false.
*/
public static function streamSupportsAnsiColors($stream)
{
return DIRECTORY_SEPARATOR == '\\'
? null !== getenv('ANSICON')
: function_exists('posix_isatty') && @posix_isatty($stream);
}
/**
* Returns true if the console is running on windows
* @return bool
*/
public static function isRunningOnWindows()
{
return strtoupper(substr(PHP_OS, 0, 3)) === 'WIN';
}
/**
* Gets input from STDIN and returns a string right-trimmed for EOLs.
*
* @param bool $raw If set to true, returns the raw string without trimming
*
* @return string
*/
public static function stdin($raw = false)
{
return $raw ? fgets(STDIN) : rtrim(fgets(STDIN), PHP_EOL);
}
/**
* Prints text to STDOUT.
*
* @param string $text
* @param bool $raw
*
* @return int|false Number of bytes printed or false on error
*/
public static function stdout($text, $raw = false)
{
if ($raw) {
return fwrite(STDOUT, $text);
} elseif (static::streamSupportsAnsiColors(STDOUT)) {
return fwrite(STDOUT, static::renderColoredString($text));
} else {
return fwrite(STDOUT, static::renderColoredString($text, false));
}
}
/**
* Prints text to STDERR.
*
* @param string $text
* @param bool $raw
*
* @return mixed Number of bytes printed or bool false on error.
*/
public static function stderr($text, $raw = false)
{
if ($raw) {
return fwrite(STDERR, $text);
} elseif (static::streamSupportsAnsiColors(STDERR)) {
return fwrite(STDERR, static::renderColoredString($text));
} else {
return fwrite(STDERR, static::renderColoredString($text, false));
}
}
/**
* Prints text to STDERR appended with a carriage return (PHP_EOL).
*
* @param string $text
* @param bool $raw
*
* @return mixed Number of bytes printed or false on error
*/
public static function error($text = null, $raw = false)
{
return static::stderr($text . PHP_EOL, $raw);
}
/**
* Asks the user for input. Ends when the user types a carriage return (PHP_EOL). Optionally, It also provides a
* prompt.
*
* @param string $prompt the prompt (optional)
* @return string the user's input
*/
public static function input($prompt = null)
{
if (isset($prompt)) {
static::stdout($prompt);
}
return static::stdin();
}
/**
* Prints text to STDOUT appended with a carriage return (PHP_EOL).
*
* @param string $text
* @param bool $raw
*
* @return mixed Number of bytes printed or bool false on error
*/
public static function output($text = null, $raw = false)
{
return static::stdout($text . PHP_EOL, $raw);
}
/**
* Prompts the user for input and validates it
*
* @param string $text prompt string
* @param array $options the options to validate the input:
* - required: whether it is required or not
* - default: default value if no input is inserted by the user
* - pattern: regular expression pattern to validate user input
* - validator: a callable function to validate input. The function must accept two parameters:
* - $input: the user input to validate
* - $error: the error value passed by reference if validation failed.
* @return string the user input
*/
public static function prompt($text, $options = array())
{
$options = ArrayHelper::merge(
$options,
array(
'required' => false,
'default' => null,
'pattern' => null,
'validator' => null,
'error' => 'Invalid input.',
)
);
$error = null;
top:
$input = $options['default']
? static::input("$text [" . $options['default'] . ']: ')
: static::input("$text: ");
if (!strlen($input)) {
if (isset($options['default'])) {
$input = $options['default'];
} elseif ($options['required']) {
static::output($options['error']);
goto top;
}
} elseif ($options['pattern'] && !preg_match($options['pattern'], $input)) {
static::output($options['error']);
goto top;
} elseif ($options['validator'] &&
!call_user_func_array($options['validator'], array($input, &$error))
) {
static::output(isset($error) ? $error : $options['error']);
goto top;
}
return $input;
}
/**
* Asks the user for a simple yes/no confirmation.
*
* @param string $prompt the prompt string
*
* @return bool true or false according to user input.
*/
public static function confirm($prompt)
{
top:
$input = strtolower(static::input("$prompt [y/n]: "));
if (!in_array(substr($input, 0, 1), array('y', 'n'))) {
static::output("Please, type 'y' or 'n'");
goto top;
}
return $input === 'y' ? true : false;
}
/**
* Gives the user an option to choose from. Giving '?' as an input will show
* a list of options to choose from and their explanations.
*
* @param string $prompt the prompt message
* @param array $options Key-value array of options to choose from
*
* @return string An option character the user chose
*/
public static function select($prompt, $options = array())
{
top:
static::stdout("$prompt [" . implode(',', array_keys($options)) . ",?]: ");
$input = static::stdin();
if ($input === '?') {
foreach ($options as $key => $value) {
echo " $key - $value\n";
}
echo " ? - Show help\n";
goto top;
} elseif (!in_array($input, array_keys($options))) {
goto top;
}
return $input;
}
/**
* Displays and updates a simple progress bar on screen.
*
* @param $done the number of items that are completed
* @param $total the total value of items that are to be done
* @param int $size the size of the status bar (optional)
* @see http://snipplr.com/view/29548/
*/
public static function showProgress($done, $total, $size = 30)
{
static $start;
// if we go over our bound, just ignore it
if ($done > $total) {
return;
}
if (empty($start)) {
$start = time();
}
$now = time();
$percent = (double)($done / $total);
$bar = floor($percent * $size);
$status = "\r[";
$status .= str_repeat("=", $bar);
if ($bar < $size) {
$status .= ">";
$status .= str_repeat(" ", $size - $bar);
} else {
$status .= "=";
}
$display = number_format($percent * 100, 0);
$status .= "] $display% $done/$total";
$rate = ($now - $start) / $done;
$left = $total - $done;
$eta = round($rate * $left, 2);
$elapsed = $now - $start;
$status .= " remaining: " . number_format($eta) . " sec. elapsed: " . number_format($elapsed) . " sec.";
static::stdout("$status ");
flush();
// when done, send a newline
if ($done == $total) {
echo "\n";
}
}
} }
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