Viewing file:  OutputFormatterStyle.php (5.79 KB) -rw-r--r--
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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Console\Formatter;
/**
* Formatter style class for defining styles.
*
* @author Konstantin Kudryashov <ever.zet@gmail.com>
*
* @api
*/
class OutputFormatterStyle implements OutputFormatterStyleInterface
{
private static $availableForegroundColors = array(
'black' => 30,
'red' => 31,
'green' => 32,
'yellow' => 33,
'blue' => 34,
'magenta' => 35,
'cyan' => 36,
'white' => 37
);
private static $availableBackgroundColors = array(
'black' => 40,
'red' => 41,
'green' => 42,
'yellow' => 43,
'blue' => 44,
'magenta' => 45,
'cyan' => 46,
'white' => 47
);
private static $availableOptions = array(
'bold' => 1,
'underscore' => 4,
'blink' => 5,
'reverse' => 7,
'conceal' => 8
);
private $foreground;
private $background;
private $options = array();
/**
* Initializes output formatter style.
*
* @param string|null $foreground The style foreground color name
* @param string|null $background The style background color name
* @param array $options The style options
*
* @api
*/
public function __construct($foreground = null, $background = null, array $options = array())
{
if (null !== $foreground) {
$this->setForeground($foreground);
}
if (null !== $background) {
$this->setBackground($background);
}
if (count($options)) {
$this->setOptions($options);
}
}
/**
* Sets style foreground color.
*
* @param string|null $color The color name
*
* @throws \InvalidArgumentException When the color name isn't defined
*
* @api
*/
public function setForeground($color = null)
{
if (null === $color) {
$this->foreground = null;
return;
}
if (!isset(static::$availableForegroundColors[$color])) {
throw new \InvalidArgumentException(sprintf(
'Invalid foreground color specified: "%s". Expected one of (%s)',
$color,
implode(', ', array_keys(static::$availableForegroundColors))
));
}
$this->foreground = static::$availableForegroundColors[$color];
}
/**
* Sets style background color.
*
* @param string|null $color The color name
*
* @throws \InvalidArgumentException When the color name isn't defined
*
* @api
*/
public function setBackground($color = null)
{
if (null === $color) {
$this->background = null;
return;
}
if (!isset(static::$availableBackgroundColors[$color])) {
throw new \InvalidArgumentException(sprintf(
'Invalid background color specified: "%s". Expected one of (%s)',
$color,
implode(', ', array_keys(static::$availableBackgroundColors))
));
}
$this->background = static::$availableBackgroundColors[$color];
}
/**
* Sets some specific style option.
*
* @param string $option The option name
*
* @throws \InvalidArgumentException When the option name isn't defined
*
* @api
*/
public function setOption($option)
{
if (!isset(static::$availableOptions[$option])) {
throw new \InvalidArgumentException(sprintf(
'Invalid option specified: "%s". Expected one of (%s)',
$option,
implode(', ', array_keys(static::$availableOptions))
));
}
if (false === array_search(static::$availableOptions[$option], $this->options)) {
$this->options[] = static::$availableOptions[$option];
}
}
/**
* Unsets some specific style option.
*
* @param string $option The option name
*
* @throws \InvalidArgumentException When the option name isn't defined
*
*/
public function unsetOption($option)
{
if (!isset(static::$availableOptions[$option])) {
throw new \InvalidArgumentException(sprintf(
'Invalid option specified: "%s". Expected one of (%s)',
$option,
implode(', ', array_keys(static::$availableOptions))
));
}
$pos = array_search(static::$availableOptions[$option], $this->options);
if (false !== $pos) {
unset($this->options[$pos]);
}
}
/**
* Sets multiple style options at once.
*
* @param array $options
*/
public function setOptions(array $options)
{
$this->options = array();
foreach ($options as $option) {
$this->setOption($option);
}
}
/**
* Applies the style to a given text.
*
* @param string $text The text to style
*
* @return string
*/
public function apply($text)
{
$codes = array();
if (null !== $this->foreground) {
$codes[] = $this->foreground;
}
if (null !== $this->background) {
$codes[] = $this->background;
}
if (count($this->options)) {
$codes = array_merge($codes, $this->options);
}
if (0 === count($codes)) {
return $text;
}
return sprintf("\033[%sm%s\033[0m", implode(';', $codes), $text);
}
}
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