--- /dev/null
+<?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;
+
+use Symfony\Component\Console\Exception\InvalidArgumentException;
+
+/**
+ * Formatter class for console output.
+ *
+ * @author Konstantin Kudryashov <ever.zet@gmail.com>
+ */
+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)
+ {
+ $text = preg_replace('/([^\\\\]?)</', '$1\\<', $text);
+
+ return self::escapeTrailingBackslash($text);
+ }
+
+ /**
+ * Escapes trailing "\" in given text.
+ *
+ * @param string $text Text to escape
+ *
+ * @return string Escaped text
+ *
+ * @internal
+ */
+ public static function escapeTrailingBackslash($text)
+ {
+ if ('\\' === substr($text, -1)) {
+ $len = strlen($text);
+ $text = rtrim($text, '\\');
+ $text .= str_repeat('<<', $len - strlen($text));
+ }
+
+ return $text;
+ }
+
+ /**
+ * Initializes console output formatter.
+ *
+ * @param bool $decorated Whether this formatter should actually decorate strings
+ * @param OutputFormatterStyleInterface[] $styles Array of "name => FormatterStyle" instances
+ */
+ public function __construct($decorated = false, array $styles = array())
+ {
+ $this->decorated = (bool) $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 bool $decorated Whether to decorate the messages or not
+ */
+ public function setDecorated($decorated)
+ {
+ $this->decorated = (bool) $decorated;
+ }
+
+ /**
+ * Gets the decorated flag.
+ *
+ * @return bool true if the output will decorate messages, false otherwise
+ */
+ public function isDecorated()
+ {
+ return $this->decorated;
+ }
+
+ /**
+ * Sets a new style.
+ *
+ * @param string $name The style name
+ * @param OutputFormatterStyleInterface $style The style instance
+ */
+ public function setStyle($name, OutputFormatterStyleInterface $style)
+ {
+ $this->styles[strtolower($name)] = $style;
+ }
+
+ /**
+ * Checks if output formatter has style with specified name.
+ *
+ * @param string $name
+ *
+ * @return bool
+ */
+ public function hasStyle($name)
+ {
+ return isset($this->styles[strtolower($name)]);
+ }
+
+ /**
+ * Gets style options from style with specified name.
+ *
+ * @param string $name
+ *
+ * @return OutputFormatterStyleInterface
+ *
+ * @throws InvalidArgumentException When style isn't defined
+ */
+ public function getStyle($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 $message The message to style
+ *
+ * @return string The styled message
+ */
+ public function format($message)
+ {
+ $message = (string) $message;
+ $offset = 0;
+ $output = '';
+ $tagRegex = '[a-z][a-z0-9_=;-]*+';
+ preg_match_all("#<(($tagRegex) | /($tagRegex)?)>#ix", $message, $matches, PREG_OFFSET_CAPTURE);
+ foreach ($matches[0] as $i => $match) {
+ $pos = $match[1];
+ $text = $match[0];
+
+ if (0 != $pos && '\\' == $message[$pos - 1]) {
+ continue;
+ }
+
+ // 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 (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, $offset));
+
+ if (false !== strpos($output, '<<')) {
+ return strtr($output, array('\\<' => '<', '<<' => '\\'));
+ }
+
+ return str_replace('\\<', '<', $output);
+ }
+
+ /**
+ * @return OutputFormatterStyleStack
+ */
+ public function getStyleStack()
+ {
+ return $this->styleStack;
+ }
+
+ /**
+ * Tries to create new style instance from string.
+ *
+ * @param string $string
+ *
+ * @return OutputFormatterStyle|false false if string is not format string
+ */
+ private function createStyleFromString($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 {
+ try {
+ $style->setOption($match[1]);
+ } catch (\InvalidArgumentException $e) {
+ return false;
+ }
+ }
+ }
+
+ 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;
+ }
+}
projects / yaffs-website / blobdiff