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<?php declare(strict_types=1);
/*
* This file is part of PHPUnit.
*
* (c) Sebastian Bergmann <sebastian@phpunit.de>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace PHPUnit\Util;
use const DIRECTORY_SEPARATOR;
use function array_keys;
use function array_map;
use function array_values;
use function count;
use function explode;
use function implode;
use function min;
use function preg_replace;
use function preg_replace_callback;
use function sprintf;
use function strtr;
use function trim;
/**
* @internal This class is not covered by the backward compatibility promise for PHPUnit
*/
final class Color
{
/**
* @var array<string,string>
*/
private const WHITESPACE_MAP = [
' ' => '·',
"\t" => '⇥',
];
/**
* @var array<string,string>
*/
private const WHITESPACE_EOL_MAP = [
' ' => '·',
"\t" => '⇥',
"\n" => '↵',
"\r" => '⟵',
];
/**
* @var array<string,string>
*/
private static $ansiCodes = [
'reset' => '0',
'bold' => '1',
'dim' => '2',
'dim-reset' => '22',
'underlined' => '4',
'fg-default' => '39',
'fg-black' => '30',
'fg-red' => '31',
'fg-green' => '32',
'fg-yellow' => '33',
'fg-blue' => '34',
'fg-magenta' => '35',
'fg-cyan' => '36',
'fg-white' => '37',
'bg-default' => '49',
'bg-black' => '40',
'bg-red' => '41',
'bg-green' => '42',
'bg-yellow' => '43',
'bg-blue' => '44',
'bg-magenta' => '45',
'bg-cyan' => '46',
'bg-white' => '47',
];
public static function colorize(string $color, string $buffer): string
{
if (trim($buffer) === '') {
return $buffer;
}
$codes = array_map('\trim', explode(',', $color));
$styles = [];
foreach ($codes as $code) {
if (isset(self::$ansiCodes[$code])) {
$styles[] = self::$ansiCodes[$code] ?? '';
}
}
if (empty($styles)) {
return $buffer;
}
return self::optimizeColor(sprintf("\x1b[%sm", implode(';', $styles)) . $buffer . "\x1b[0m");
}
public static function colorizePath(string $path, ?string $prevPath = null, bool $colorizeFilename = false): string
{
if ($prevPath === null) {
$prevPath = '';
}
$path = explode(DIRECTORY_SEPARATOR, $path);
$prevPath = explode(DIRECTORY_SEPARATOR, $prevPath);
for ($i = 0; $i < min(count($path), count($prevPath)); $i++) {
if ($path[$i] == $prevPath[$i]) {
$path[$i] = self::dim($path[$i]);
}
}
if ($colorizeFilename) {
$last = count($path) - 1;
$path[$last] = preg_replace_callback(
'/([\-_\.]+|phpt$)/',
static function ($matches)
{
return self::dim($matches[0]);
},
$path[$last],
);
}
return self::optimizeColor(implode(self::dim(DIRECTORY_SEPARATOR), $path));
}
public static function dim(string $buffer): string
{
if (trim($buffer) === '') {
return $buffer;
}
return "\e[2m{$buffer}\e[22m";
}
public static function visualizeWhitespace(string $buffer, bool $visualizeEOL = false): string
{
$replaceMap = $visualizeEOL ? self::WHITESPACE_EOL_MAP : self::WHITESPACE_MAP;
return preg_replace_callback('/\s+/', static function ($matches) use ($replaceMap)
{
return self::dim(strtr($matches[0], $replaceMap));
}, $buffer);
}
private static function optimizeColor(string $buffer): string
{
$patterns = [
"/\e\\[22m\e\\[2m/" => '',
"/\e\\[([^m]*)m\e\\[([1-9][0-9;]*)m/" => "\e[$1;$2m",
"/(\e\\[[^m]*m)+(\e\\[0m)/" => '$2',
];
return preg_replace(array_keys($patterns), array_values($patterns), $buffer);
}
}
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