316 lines
7.2 KiB
PHP
316 lines
7.2 KiB
PHP
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<?php defined('SYSPATH') or die('No direct script access.');
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class Kohana_Minion_CLI {
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public static $wait_msg = 'Press any key to continue...';
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protected static $foreground_colors = array(
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'black' => '0;30',
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'dark_gray' => '1;30',
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'blue' => '0;34',
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'light_blue' => '1;34',
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'green' => '0;32',
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'light_green' => '1;32',
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'cyan' => '0;36',
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'light_cyan' => '1;36',
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'red' => '0;31',
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'light_red' => '1;31',
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'purple' => '0;35',
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'light_purple' => '1;35',
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'brown' => '0;33',
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'yellow' => '1;33',
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'light_gray' => '0;37',
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'white' => '1;37',
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);
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protected static $background_colors = array(
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'black' => '40',
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'red' => '41',
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'green' => '42',
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'yellow' => '43',
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'blue' => '44',
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'magenta' => '45',
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'cyan' => '46',
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'light_gray' => '47',
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);
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/**
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* Returns one or more command-line options. Options are specified using
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* standard CLI syntax:
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*
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* php index.php --username=john.smith --password=secret --var="some value with spaces"
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*
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* // Get the values of "username" and "password"
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* $auth = Minion_CLI::options('username', 'password');
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*
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* @param string $options,... option name
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* @return array
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*/
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public static function options($options = NULL)
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{
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// Get all of the requested options
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$options = func_get_args();
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// Found option values
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$values = array();
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// Skip the first option, it is always the file executed
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for ($i = 1; $i < $_SERVER['argc']; $i++)
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{
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if ( ! isset($_SERVER['argv'][$i]))
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{
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// No more args left
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break;
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}
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// Get the option
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$opt = $_SERVER['argv'][$i];
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if (substr($opt, 0, 2) !== '--')
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{
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// This is a positional argument
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$values[] = $opt;
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continue;
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}
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// Remove the "--" prefix
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$opt = substr($opt, 2);
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if (strpos($opt, '='))
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{
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// Separate the name and value
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list ($opt, $value) = explode('=', $opt, 2);
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}
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else
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{
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$value = NULL;
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}
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$values[$opt] = $value;
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}
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if ($options)
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{
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foreach ($values as $opt => $value)
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{
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if ( ! in_array($opt, $options, TRUE))
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{
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// Set the given value
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unset($values[$opt]);
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}
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}
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}
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return count($options) == 1 ? array_pop($values) : $values;
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}
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/**
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* Reads input from the user. This can have either 1 or 2 arguments.
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*
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* Usage:
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*
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* // Waits for any key press
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* Minion_CLI::read();
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*
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* // Takes any input
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* $color = Minion_CLI::read('What is your favorite color?');
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*
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* // Will only accept the options in the array
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* $ready = Minion_CLI::read('Are you ready?', array('y','n'));
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*
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* @param string $text text to show user before waiting for input
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* @param array $options array of options the user is shown
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* @return string the user input
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*/
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public static function read($text = '', array $options = NULL)
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{
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// If a question has been asked with the read
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$options_output = '';
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if ( ! empty($options))
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{
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$options_output = ' [ '.implode(', ', $options).' ]';
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}
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fwrite(STDOUT, $text.$options_output.': ');
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// Read the input from keyboard.
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$input = trim(fgets(STDIN));
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// If options are provided and the choice is not in the array, tell them to try again
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if ( ! empty($options) && ! in_array($input, $options))
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{
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Minion_CLI::write('This is not a valid option. Please try again.');
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$input = Minion_CLI::read($text, $options);
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}
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// Read the input
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return $input;
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}
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/**
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* Experimental feature.
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*
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* Reads hidden input from the user
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*
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* Usage:
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*
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* $password = Minion_CLI::password('Enter your password');
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*
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* @author Mathew Davies.
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* @return string
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*/
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public static function password($text = '')
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{
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$text .= ': ';
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if (Kohana::$is_windows)
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{
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$vbscript = sys_get_temp_dir().'Minion_CLI_Password.vbs';
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// Create temporary file
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file_put_contents($vbscript, 'wscript.echo(InputBox("'.addslashes($text).'"))');
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$password = shell_exec('cscript //nologo '.escapeshellarg($command));
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// Remove temporary file.
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unlink($vbscript);
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}
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else
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{
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$password = shell_exec('/usr/bin/env bash -c \'read -s -p "'.escapeshellcmd($text).'" var && echo $var\'');
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}
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Minion_CLI::write();
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return trim($password);
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}
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/**
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* Outputs a string to the cli. If you send an array it will implode them
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* with a line break.
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*
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* @param string|array $text the text to output, or array of lines
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*/
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public static function write($text = '')
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{
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if (is_array($text))
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{
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foreach ($text as $line)
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{
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Minion_CLI::write($line);
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}
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}
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else
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{
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fwrite(STDOUT, $text.PHP_EOL);
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}
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}
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/**
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* Outputs a replacable line to the cli. You can continue replacing the
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* line until `TRUE` is passed as the second parameter in order to indicate
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* you are done modifying the line.
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*
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* // Sample progress indicator
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* Minion_CLI::write_replace('0%');
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* Minion_CLI::write_replace('25%');
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* Minion_CLI::write_replace('50%');
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* Minion_CLI::write_replace('75%');
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* // Done writing this line
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* Minion_CLI::write_replace('100%', TRUE);
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*
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* @param string $text the text to output
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* @param boolean $end_line whether the line is done being replaced
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*/
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public static function write_replace($text = '', $end_line = FALSE)
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{
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// Append a newline if $end_line is TRUE
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$text = $end_line ? $text.PHP_EOL : $text;
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fwrite(STDOUT, "\r\033[K".$text);
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}
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/**
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* Waits a certain number of seconds, optionally showing a wait message and
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* waiting for a key press.
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*
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* @author Fuel Development Team
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* @license MIT License
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* @copyright 2010 - 2011 Fuel Development Team
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* @link http://fuelphp.com
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* @param int $seconds number of seconds
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* @param bool $countdown show a countdown or not
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*/
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public static function wait($seconds = 0, $countdown = false)
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{
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if ($countdown === true)
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{
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$time = $seconds;
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while ($time > 0)
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{
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fwrite(STDOUT, $time.'... ');
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sleep(1);
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$time--;
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}
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Minion_CLI::write();
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}
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else
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{
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if ($seconds > 0)
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{
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sleep($seconds);
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}
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else
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{
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Minion_CLI::write(Minion_CLI::$wait_msg);
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Minion_CLI::read();
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}
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}
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}
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/**
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* Returns the given text with the correct color codes for a foreground and
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* optionally a background color.
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*
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* @author Fuel Development Team
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* @license MIT License
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* @copyright 2010 - 2011 Fuel Development Team
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* @link http://fuelphp.com
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* @param string $text the text to color
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* @param atring $foreground the foreground color
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* @param string $background the background color
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* @return string the color coded string
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*/
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public static function color($text, $foreground, $background = null)
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{
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if (Kohana::$is_windows)
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{
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return $text;
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}
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if (!array_key_exists($foreground, Minion_CLI::$foreground_colors))
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{
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throw new Kohana_Exception('Invalid CLI foreground color: '.$foreground);
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}
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if ($background !== null and !array_key_exists($background, Minion_CLI::$background_colors))
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{
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throw new Kohana_Exception('Invalid CLI background color: '.$background);
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}
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$string = "\033[".Minion_CLI::$foreground_colors[$foreground]."m";
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if ($background !== null)
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{
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$string .= "\033[".Minion_CLI::$background_colors[$background]."m";
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}
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$string .= $text."\033[0m";
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return $string;
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}
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}
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