added Console

src/CommandLine/Console.php

@@ -0,0 +1,53 @@
+<?php
+
+/**
+ * This file is part of the Nette Framework (https://nette.org)
+ * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
+ */
+
+namespace Nette\CommandLine;
+
+
+/**
+ * Stupid console writer.
+ */
+class Console
+{
+	/** @var bool */
+	private $useColors;
+
+
+	public function __construct()
+	{
+		$this->useColors = PHP_SAPI === 'cli' && ((function_exists('posix_isatty') && posix_isatty(STDOUT))
+			|| getenv('ConEmuANSI') === 'ON' || getenv('ANSICON') !== FALSE || getenv('term') === 'xterm-256color');
+	}
+
+
+	public function useColors($state = TRUE)
+	{
+		$this->useColors = (bool) $state;
+	}
+
+
+	public function color($color = NULL, $s = NULL)
+	{
+		static $colors = [
+			'black' => '0;30', 'gray' => '1;30', 'silver' => '0;37', 'white' => '1;37',
+			'navy' => '0;34', 'blue' => '1;34', 'green' => '0;32', 'lime' => '1;32',
+			'teal' => '0;36', 'aqua' => '1;36', 'maroon' => '0;31', 'red' => '1;31',
+			'purple' => '0;35', 'fuchsia' => '1;35', 'olive' => '0;33', 'yellow' => '1;33',
+			NULL => '0',
+		];
+		if ($this->useColors) {
+			$c = explode('/', $color);
+			return "\033["
+				. ($c[0] ? $colors[$c[0]] : '')
+				. (empty($c[1]) ? '' : ';4' . substr($colors[$c[1]], -1))
+				. 'm' . $s
+				. ($s === NULL ? '' : "\033[0m");
+		}
+		return $s;
+	}
+
+}

tests/Console.color.phpt

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+<?php
+
+use Tester\Assert;
+use Nette\CommandLine\Console;
+
+require __DIR__ . '/bootstrap.php';
+
+$console = new Console;
+$console->useColors();
+
+Assert::same("\x1b[m", $console->color(NULL));
+Assert::same("\x1b[1;31m", $console->color('red'));
+Assert::same("\x1b[1;31;42m", $console->color('red/green'));
+Assert::same("\x1b[1;31;42m", $console->color('red/lime'));
+
+Assert::same("\x1b[mhello\x1b[0m", $console->color(NULL, 'hello'));
+Assert::same("\x1b[1;31mhello\x1b[0m", $console->color('red', 'hello'));
+Assert::same("\x1b[1;31;42mhello\x1b[0m", $console->color('red/green', 'hello'));
+Assert::same("\x1b[1;31;42mhello\x1b[0m", $console->color('red/lime', 'hello'));