AlkantarClanX12
Current Path : /opt/alt/php55/usr/share/pear/Symfony/Component/Console/Formatter/ |
Current File : //opt/alt/php55/usr/share/pear/Symfony/Component/Console/Formatter/OutputFormatter.php |
<?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 class for console output. * * @author Konstantin Kudryashov <ever.zet@gmail.com> * * @api */ class OutputFormatter implements OutputFormatterInterface { private $decorated; private $styles = array(); private $styleStack; /** * Escapes "<" special char in given text. * * @param string $text Text to escape * * @return string Escaped text */ public static function escape($text) { return preg_replace('/([^\\\\]?)</is', '$1\\<', $text); } /** * Initializes console output formatter. * * @param Boolean $decorated Whether this formatter should actually decorate strings * @param OutputFormatterStyleInterface[] $styles Array of "name => FormatterStyle" instances * * @api */ public function __construct($decorated = false, array $styles = array()) { $this->decorated = (Boolean) $decorated; $this->setStyle('error', new OutputFormatterStyle('white', 'red')); $this->setStyle('info', new OutputFormatterStyle('green')); $this->setStyle('comment', new OutputFormatterStyle('yellow')); $this->setStyle('question', new OutputFormatterStyle('black', 'cyan')); foreach ($styles as $name => $style) { $this->setStyle($name, $style); } $this->styleStack = new OutputFormatterStyleStack(); } /** * Sets the decorated flag. * * @param Boolean $decorated Whether to decorate the messages or not * * @api */ public function setDecorated($decorated) { $this->decorated = (Boolean) $decorated; } /** * Gets the decorated flag. * * @return Boolean true if the output will decorate messages, false otherwise * * @api */ public function isDecorated() { return $this->decorated; } /** * Sets a new style. * * @param string $name The style name * @param OutputFormatterStyleInterface $style The style instance * * @api */ public function setStyle($name, OutputFormatterStyleInterface $style) { $this->styles[strtolower($name)] = $style; } /** * Checks if output formatter has style with specified name. * * @param string $name * * @return Boolean * * @api */ public function hasStyle($name) { return isset($this->styles[strtolower($name)]); } /** * Gets style options from style with specified name. * * @param string $name * * @return OutputFormatterStyleInterface * * @throws \InvalidArgumentException When style isn't defined * * @api */ public function getStyle($name) { if (!$this->hasStyle($name)) { throw new \InvalidArgumentException(sprintf('Undefined style: %s', $name)); } return $this->styles[strtolower($name)]; } /** * Formats a message according to the given styles. * * @param string $message The message to style * * @return string The styled message * * @api */ public function format($message) { $offset = 0; $output = ''; $tagRegex = '[a-z][a-z0-9_=;-]*'; preg_match_all("#<(($tagRegex) | /($tagRegex)?)>#isx", $message, $matches, PREG_OFFSET_CAPTURE); foreach ($matches[0] as $i => $match) { $pos = $match[1]; $text = $match[0]; // add the text up to the next tag $output .= $this->applyCurrentStyle(substr($message, $offset, $pos - $offset)); $offset = $pos + strlen($text); // opening tag? if ($open = '/' != $text[1]) { $tag = $matches[1][$i][0]; } else { $tag = isset($matches[3][$i][0]) ? $matches[3][$i][0] : ''; } if (!$open && !$tag) { // </> $this->styleStack->pop(); } elseif ($pos && '\\' == $message[$pos - 1]) { // escaped tag $output .= $this->applyCurrentStyle($text); } elseif (false === $style = $this->createStyleFromString(strtolower($tag))) { $output .= $this->applyCurrentStyle($text); } elseif ($open) { $this->styleStack->push($style); } else { $this->styleStack->pop($style); } } $output .= $this->applyCurrentStyle(substr($message, $offset)); return str_replace('\\<', '<', $output); } /** * @return OutputFormatterStyleStack */ public function getStyleStack() { return $this->styleStack; } /** * Tries to create new style instance from string. * * @param string $string * * @return OutputFormatterStyle|Boolean false if string is not format string */ private function createStyleFromString($string) { if (isset($this->styles[$string])) { return $this->styles[$string]; } if (!preg_match_all('/([^=]+)=([^;]+)(;|$)/', strtolower($string), $matches, PREG_SET_ORDER)) { return false; } $style = new OutputFormatterStyle(); foreach ($matches as $match) { array_shift($match); if ('fg' == $match[0]) { $style->setForeground($match[1]); } elseif ('bg' == $match[0]) { $style->setBackground($match[1]); } else { $style->setOption($match[1]); } } return $style; } /** * Applies current style from stack to text, if must be applied. * * @param string $text Input text * * @return string Styled text */ private function applyCurrentStyle($text) { return $this->isDecorated() && strlen($text) > 0 ? $this->styleStack->getCurrent()->apply($text) : $text; } }