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<?php
declare(strict_types=1);
namespace GrumPHP\Formatter;
use GrumPHP\IO\IOInterface;
use Symfony\Component\Process\Process;
class GitBlacklistFormatter implements ProcessFormatterInterface
{
const WORD_COLOR = "\033[1;31";
const RESET_COLOR = "\033[m";
const COLON_COLOR = "\033[36m";
const SPACE_BEFORE = 20;
const SPACE_AFTER = 20;
/**
* @var IOInterface
*/
private $IO;
/**
* GitBlacklistFormatter constructor.
*/
public function __construct(IOInterface $IO)
{
$this->IO = $IO;
}
public function format(Process $process): string
{
$output = $process->getOutput();
if (!$output) {
return $process->getErrorOutput();
}
if (!$this->IO->isDecorated()) {
return $output;
}
return $this->formatOutput($output);
}
private function formatOutput(string $output): string
{
$result = static::RESET_COLOR;
foreach (array_filter(explode("\n", $output)) as $lineNumber => $line) {
$result .= preg_match('/^[0-9]+/', $line) ? $this->trimOutputLine($line, $lineNumber) : $line;
$result .= PHP_EOL;
}
return trim($result);
}
private function trimOutputLine(string $line, int $lineNumber): string
{
if (\strlen($line) < 80) {
return $line;
}
$positionsWordColor = [];
$positionsResetColor = [];
$parts = [];
$lastPos = 0;
//iterate over all WORD_COLORs and save the positions into $positionsWordColor
while (false !== ($lastPos = mb_strpos($line, static::WORD_COLOR, $lastPos))) {
$positionsWordColor[] = $lastPos;
$lastPos += mb_strlen(static::WORD_COLOR);
}
$lastPos = 0;
//iterate over all RESET_COLORs and save the positions into $positionsResetColor
while (false !== ($lastPos = mb_strpos($line, static::RESET_COLOR, $lastPos))) {
$positionsResetColor[] = $lastPos;
$lastPos += mb_strlen(static::RESET_COLOR);
}
foreach ($positionsWordColor as $pos) {
do {
$pos2 = array_shift($positionsResetColor);
} while ($pos2 < $pos);
$pos -= static::SPACE_BEFORE;
//$pos can't be lower than 0 else we start at the end of the string instead of the beginning
if ($pos < 0) {
$pos = 0;
}
$pos2 += static::SPACE_AFTER;
$part = ' '.$lineNumber.static::COLON_COLOR.':'.static::RESET_COLOR;
$part .= ($pos + static::SPACE_BEFORE).static::COLON_COLOR.':'.static::RESET_COLOR;
$part .= ' '.mb_substr($line, $pos, $pos2 - $pos).static::RESET_COLOR;
$parts[] = $part;
}
return implode(PHP_EOL, $parts);
}
}