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<?php |
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namespace PHPDaemon\Utils; |
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/** |
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* Terminal |
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* @package PHPDaemon\Utils |
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* @author Vasily Zorin <[email protected]> |
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*/ |
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class Terminal { |
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use \PHPDaemon\Traits\ClassWatchdog; |
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use \PHPDaemon\Traits\StaticObjectWatchdog; |
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/** |
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* @var boolean Is color allowed in terminal? |
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*/ |
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protected $enableColor = false; |
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/** |
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* @var integer Maximum terminal width |
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*/ |
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protected $columns = 80; |
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/** |
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* Constructor |
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*/ |
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public function __construct() { |
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$this->columns = $this->getMaxColumns(); |
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} |
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/** |
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* Read a line from STDIN |
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* @return string Line |
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*/ |
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public function readln() { |
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return fgets(STDIN); |
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} |
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/** |
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* Enables/disable color |
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* @param boolean $bool Enable? |
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* @return void |
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*/ |
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public function enableColor($bool = true) { |
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$this->enableColor = $bool; |
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} |
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/** |
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* Clear the terminal with CLR |
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* @return void |
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*/ |
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public function clearScreen() { |
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echo "\x0c"; |
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} |
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/** |
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* Set text style |
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* @param string $c Style |
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* @return void |
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*/ |
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public function setStyle($c) { |
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if ($this->enableColor) { |
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echo "\033[" . $c . 'm'; |
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} |
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} |
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/** |
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* Reset style to default |
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* @return void |
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*/ |
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public function resetStyle() { |
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if ($this->enableColor) { |
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echo "\033[0m"; |
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} |
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} |
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/** |
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* Counting terminal char width |
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* @return integer |
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*/ |
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protected function getMaxColumns() { |
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if ( |
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preg_match_all("/columns.([0-9]+);/", strtolower(@exec('stty -a | grep columns')), $output) |
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&& sizeof($output) === 2 |
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) { |
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return $output[1][0]; |
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} |
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return 80; |
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} |
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/** |
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* Draw param (like in man) |
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* @param string $name Param name |
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* @param string $description Param description |
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* @param array $values Param allowed values |
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* @return void |
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*/ |
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public function drawParam($name, $description, $values = '') { |
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$paramw = round($this->columns / 3); |
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echo "\n"; |
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$leftcolumn = []; |
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$valstr = is_array($values) ? implode('|', array_keys($values)) : $values; |
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if ('' !== $valstr) { |
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$valstr = '=[' . $valstr . ']'; |
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} |
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$paramstr = " \033[1m--" . $name . $valstr . "\033[0m"; |
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$pl =mb_orig_strlen$paramstr); |
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if ($pl + 2 >= $paramw) { |
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$paramw = $pl + 3; |
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} |
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$descw = $this->columns - $paramw; |
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$leftcolumn[] = $paramstr; |
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if (is_array($values)) { |
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foreach ($values as $key => $value) { |
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$leftcolumn[] = ' ' . $key . ' - ' . $value; |
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} |
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} |
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if (strlen($description) <= $descw) { |
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$rightcolumn[] = $description; |
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} |
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else { |
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$m = explode(' ', $description); |
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$descstr = ''; |
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while (sizeof($m) > 0) { |
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$el = array_shift($m); |
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if (strlen($descstr) +mb_orig_strlen$el) >= $descw) { |
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$rightcolumn[] = $descstr; |
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$descstr = ''; |
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} |
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else { |
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$descstr .= ' '; |
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} |
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$descstr .= $el; |
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} |
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if ('' !== $descstr) { |
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$rightcolumn[] = $descstr; |
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} |
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} |
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while ( |
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sizeof($leftcolumn) > 0 |
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|| sizeof($rightcolumn) > 0 |
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) { |
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if ($l = array_shift($leftcolumn)) { |
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echo str_pad($l, $paramw, ' '); |
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} |
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else { |
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echo str_repeat(' ', $paramw - 7); |
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} |
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if ($r = array_shift($rightcolumn)) { |
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echo $r; |
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} |
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echo "\n"; |
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} |
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} |
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/** |
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* Draw a table |
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* @param array Array of table's rows |
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* @return void |
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*/ |
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public function drawTable($rows) { |
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$pad = []; |
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foreach ($rows as $row) { |
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foreach ($row as $k => $v) { |
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if (substr($k, 0, 1) === '_') { |
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continue; |
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} |
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if (!isset($pad[$k]) || (strlen($v) > $pad[$k])) { |
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$pad[$k] =mb_orig_strlen$v); |
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} |
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} |
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} |
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foreach ($rows as $row) { |
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if (isset($row['_color'])) { |
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$this->setStyle($row['_color']); |
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} |
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if (isset($row['_bold'])) { |
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$this->setStyle('1'); |
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} |
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if (isset($row['_'])) { |
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echo $row['_']; |
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} |
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else { |
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$i = 0; |
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foreach ($row as $k => $v) { |
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if (substr($k, 0, 1) === '_') { |
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continue; |
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} |
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if ($i > 0) { |
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echo "\t"; |
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} |
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echo str_pad($v, $pad[$k]); |
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++$i; |
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} |
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} |
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$this->resetStyle(); |
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echo "\n"; |
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} |
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} |
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} |
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