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Response.php
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Response.php
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<?php
/**
* li₃: the most RAD framework for PHP (http://li3.me)
*
* Copyright 2009, Union of RAD. All rights reserved. This source
* code is distributed under the terms of the BSD 3-Clause License.
* The full license text can be found in the LICENSE.txt file.
*/
namespace lithium\console;
use lithium\util\Text;
/**
* The `Response` class is used by other console classes to generate output. It contains stream
* resources for writing output and errors, as well as shell coloring information, and the response
* status code for the currently-executing command.
*/
class Response extends \lithium\core\ObjectDeprecated {
/**
* Output stream, STDOUT
*
* @var resource
*/
public $output = null;
/**
* Error stream, STDERR
*
* @var resource
*/
public $error = null;
/**
* Status code, most often used for setting an exit status.
*
* It should be expected that only status codes in the range of 0-255
* can be properly evaluated.
*
* @var integer
* @see lithium\console\Command
*/
public $status = 0;
/**
* Disables color output. Useful when piping command output
* into other commands. Colors are by default enabled.
*
* @var boolean
* @see lithium\console\Response::styles()
*/
public $plain = false;
/**
* Constructor.
*
* @param array $config Available configuration options are:
* - `'output'` _resource|null_
* - `'error'` _resource|null_
* - `'color'` _boolean_ By default `true`.
* @return void
*/
public function __construct($config = []) {
$defaults = ['output' => null, 'error' => null, 'plain' => false];
$config += $defaults;
$this->output = $config['output'];
if (!is_resource($this->output)) {
$this->output = fopen('php://stdout', 'r');
}
$this->error = $config['error'];
if (!is_resource($this->error)) {
$this->error = fopen('php://stderr', 'r');
}
$this->plain = $config['plain'];
parent::__construct($config);
}
/**
* Writes string to output stream
*
* @param string $output
* @return mixed
*/
public function output($output) {
return fwrite($this->output, Text::insert($output, $this->styles()));
}
/**
* Writes string to error stream
*
* @param string $error
* @return mixed
*/
public function error($error) {
return fwrite($this->error, Text::insert($error, $this->styles()));
}
/**
* Destructor. Closes streams.
*
* @return void
*/
public function __destruct() {
if ($this->output) {
fclose($this->output);
}
if ($this->error) {
fclose($this->error);
}
}
/**
* Handles styling output. Uses ANSI escape sequences for colorization. These
* may not always be supported (i.e. on Windows).
*
* @param array|boolean $styles
* @return array
*/
public function styles($styles = []) {
$defaults = [
'end' => "\033[0m",
'black' => "\033[0;30m",
'red' => "\033[0;31m",
'green' => "\033[0;32m",
'yellow' => "\033[0;33m",
'blue' => "\033[0;34m",
'purple' => "\033[0;35m",
'cyan' => "\033[0;36m",
'white' => "\033[0;37m",
'heading' => "\033[1;36m",
'option' => "\033[0;35m",
'command' => "\033[0;35m",
'error' => "\033[0;31m",
'success' => "\033[0;32m",
'bold' => "\033[1m",
];
if ($styles === false || $this->plain || strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
return array_combine(array_keys($defaults), array_pad([], count($defaults), null));
}
return $styles + $defaults;
}
}
?>