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proposed refactor of ConsoleColor

tags/2.0.0-beta
Antonio Ramirez 12 years ago
parent
309c581219
commit
ba0032b1cd
5 changed files with 859 additions and 493 deletions
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  1. 2
      framework/helpers/Console.php
  2. 368
      framework/helpers/base/Console.php
  3. 10
      tests/unit/framework/helpers/ConsoleTest.php

2
framework/helpers/ConsoleColor.php → framework/helpers/Console.php
Unescape View File

@ -18,6 +18,6 @@ namespace yii\helpers;
* @author Carsten Brandt <mail@cebe.cc>
* @since 2.0
*/
class ConsoleColor extends base\ConsoleColor
class ConsoleColor extends base\Console
{
}

368
framework/helpers/base/ConsoleColor.php → framework/helpers/base/Console.php
Unescape View File

@ -18,7 +18,7 @@ namespace yii\helpers\base;
* @author Carsten Brandt <mail@cebe.cc>
* @since 2.0
*/
class ConsoleColor
class Console
{
const FG_BLACK = 30;
const FG_RED = 31;
@ -38,6 +38,7 @@ class ConsoleColor
const BG_CYAN = 46;
const BG_GREY = 47;
const NORMAL = 0;
const BOLD = 1;
const ITALIC = 3;
const UNDERLINE = 4;
@ -360,6 +361,58 @@ class ConsoleColor
}
/**
*
* 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";
}
/**
* TODO syntax copied from https://github.com/pear/Console_Color2/blob/master/Console/Color2.php
*
* Converts colorcodes in the format %y (for yellow) into ansi-control
@ -395,11 +448,8 @@ class ConsoleColor
*
* @return string
*/
public static function renderColoredString($string)
public static function renderColoredString($string, $colored = true)
{
$colored = true;
static $conversions = array ( // static so the array doesn't get built
// everytime
// %y - yellow, and so on... {{{
@ -443,7 +493,7 @@ class ConsoleColor
if ($colored) {
$string = str_replace('%%', '% ', $string);
foreach ($conversions as $key => $value) {
$string = str_replace($key, Console_Color::color($value),
$string = str_replace($key, static::color($value),
$string);
}
$string = str_replace('% ', '%', $string);
@ -456,6 +506,49 @@ 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
*
* @param string $string String to escape
@ -467,4 +560,267 @@ class ConsoleColor
{
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";
}
}
}

10
tests/unit/framework/helpers/ConsoleTest.php
Unescape View File

@ -0,0 +1,10 @@
<?php
namespace yiiunit\framework\helpers;
use yii\helpers\base\Console;
class ConsoleTest extends \yii\test\TestCase
{
/* TODO */
}
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