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- Veröffentlicht
- 06.01.2017
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DebugFormatterHelper.php
001 <?php
002
003 /*
004 * This file is part of the Symfony package.
005 *
006 * (c) Fabien Potencier <fabien@symfony.com>
007 *
008 * For the full copyright and license information, please view the LICENSE
009 * file that was distributed with this source code.
010 */
011
012 namespace Symfony\Component\Console\Helper;
013
014 /**
015 * Helps outputting debug information when running an external program from a command.
016 *
017 * An external program can be a Process, an HTTP request, or anything else.
018 *
019 * @author Fabien Potencier <fabien@symfony.com>
020 */
021 class DebugFormatterHelper extends Helper
022 {
023 private $colors = array('black', 'red', 'green', 'yellow', 'blue', 'magenta', 'cyan', 'white', 'default');
024 private $started = array();
025 private $count = -1;
026
027 /**
028 * Starts a debug formatting session.
029 *
030 * @param string $id The id of the formatting session
031 * @param string $message The message to display
032 * @param string $prefix The prefix to use
033 *
034 * @return string
035 */
036 public function start($id, $message, $prefix = 'RUN')
037 {
038 $this->started[$id] = array('border' => ++$this->count % count($this->colors));
039
040 return sprintf("%s<bg=blue;fg=white> %s </> <fg=blue>%s</>\n", $this->getBorder($id), $prefix, $message);
041 }
042
043 /**
044 * Adds progress to a formatting session.
045 *
046 * @param string $id The id of the formatting session
047 * @param string $buffer The message to display
048 * @param bool $error Whether to consider the buffer as error
049 * @param string $prefix The prefix for output
050 * @param string $errorPrefix The prefix for error output
051 *
052 * @return string
053 */
054 public function progress($id, $buffer, $error = false, $prefix = 'OUT', $errorPrefix = 'ERR')
055 {
056 $message = '';
057
058 if ($error) {
059 if (isset($this->started[$id]['out'])) {
060 $message .= "\n";
061 unset($this->started[$id]['out']);
062 }
063 if (!isset($this->started[$id]['err'])) {
064 $message .= sprintf('%s<bg=red;fg=white> %s </> ', $this->getBorder($id), $errorPrefix);
065 $this->started[$id]['err'] = true;
066 }
067
068 $message .= str_replace("\n", sprintf("\n%s<bg=red;fg=white> %s </> ", $this->getBorder($id), $errorPrefix), $buffer);
069 } else {
070 if (isset($this->started[$id]['err'])) {
071 $message .= "\n";
072 unset($this->started[$id]['err']);
073 }
074 if (!isset($this->started[$id]['out'])) {
075 $message .= sprintf('%s<bg=green;fg=white> %s </> ', $this->getBorder($id), $prefix);
076 $this->started[$id]['out'] = true;
077 }
078
079 $message .= str_replace("\n", sprintf("\n%s<bg=green;fg=white> %s </> ", $this->getBorder($id), $prefix), $buffer);
080 }
081
082 return $message;
083 }
084
085 /**
086 * Stops a formatting session.
087 *
088 * @param string $id The id of the formatting session
089 * @param string $message The message to display
090 * @param bool $successful Whether to consider the result as success
091 * @param string $prefix The prefix for the end output
092 *
093 * @return string
094 */
095 public function stop($id, $message, $successful, $prefix = 'RES')
096 {
097 $trailingEOL = isset($this->started[$id]['out']) || isset($this->started[$id]['err']) ? "\n" : '';
098
099 if ($successful) {
100 return sprintf("%s%s<bg=green;fg=white> %s </> <fg=green>%s</>\n", $trailingEOL, $this->getBorder($id), $prefix, $message);
101 }
102
103 $message = sprintf("%s%s<bg=red;fg=white> %s </> <fg=red>%s</>\n", $trailingEOL, $this->getBorder($id), $prefix, $message);
104
105 unset($this->started[$id]['out'], $this->started[$id]['err']);
106
107 return $message;
108 }
109
110 /**
111 * @param string $id The id of the formatting session
112 *
113 * @return string
114 */
115 private function getBorder($id)
116 {
117 return sprintf('<bg=%s> </>', $this->colors[$this->started[$id]['border']]);
118 }
119
120 /**
121 * {@inheritdoc}
122 */
123 public function getName()
124 {
125 return 'debug_formatter';
126 }
127 }
128