105 lines
2.3 KiB
PHP
105 lines
2.3 KiB
PHP
<?php
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namespace Icinga\Cli;
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use Icinga\Cli\AnsiScreen;
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class Screen
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{
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protected static $instance;
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protected $isUtf8;
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public function getColumns()
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{
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$cols = (int) getenv('COLUMNS');
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if (! $cols) {
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// stty -a ?
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$cols = (int) exec('tput cols');
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}
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if (! $cols) {
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$cols = 80;
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}
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return $cols;
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}
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public function getRows()
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{
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$rows = (int) getenv('ROWS');
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if (! $rows) {
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// stty -a ?
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$rows = (int) exec('tput rows');
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}
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if (! $rows) {
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$rows = 25;
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}
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return $rows;
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}
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public function strlen($string)
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{
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return strlen($string);
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}
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public function newlines($count = 1)
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{
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return str_repeat("\n", $count);
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}
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public function center($txt)
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{
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$len = $this->strlen($txt);
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$width = floor(($this->getColumns() + $len) / 2) - $len;
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return str_repeat(' ', $width) . $txt;
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}
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public function hasUtf8()
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{
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if ($this->isUtf8 === null) {
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// null should equal 0 here, however seems to equal '' on some systems:
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$current = setlocale(LC_ALL, 0);
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$parts = preg_split('/;/', $current);
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$lc_parts = array();
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foreach ($parts as $part) {
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if (strpos($part, '=') === false) {
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continue;
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}
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list($key, $val) = preg_split('/=/', $part, 2);
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$lc_parts[$key] = $val;
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}
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$this->isUtf8 = array_key_exists('LC_CTYPE', $lc_parts)
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&& preg_match('~\.UTF-8$~i', $lc_parts['LC_CTYPE']);
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}
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return $this->isUtf8;
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}
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public function clear()
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{
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return "\n";
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}
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public function underline($text)
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{
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return $text;
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}
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public function colorize($text, $fgColor = null, $bgColor = null)
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{
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return $text;
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}
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public static function instance()
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{
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if (self::$instance === null) {
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if (function_exists('posix_isatty') && posix_isatty(STDOUT)) {
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self::$instance = new AnsiScreen();
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} else {
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self::$instance = new Screen();
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}
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}
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return self::$instance;
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}
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}
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