관리-도구

편집 파일: Codesnippet.php

<?php

namespace Facade\FlareClient\Stacktrace;

use RuntimeException;

class Codesnippet
{
    /** @var int */
    private $surroundingLine = 1;

/** @var int */
    private $snippetLineCount = 9;

public function surroundingLine(int $surroundingLine): self
    {
        $this->surroundingLine = $surroundingLine;

return $this;
    }

public function snippetLineCount(int $snippetLineCount): self
    {
        $this->snippetLineCount = $snippetLineCount;

return $this;
    }

public function get(string $fileName): array
    {
        if (! file_exists($fileName)) {
            return [];
        }

try {
            $file = new File($fileName);

[$startLineNumber, $endLineNumber] = $this->getBounds($file->numberOfLines());

$code = [];

$line = $file->getLine($startLineNumber);

$currentLineNumber = $startLineNumber;

while ($currentLineNumber <= $endLineNumber) {
                $code[$currentLineNumber] = rtrim(substr($line, 0, 250));

$line = $file->getNextLine();
                $currentLineNumber++;
            }

return $code;
        } catch (RuntimeException $exception) {
            return [];
        }
    }

private function getBounds($totalNumberOfLineInFile): array
    {
        $startLine = max($this->surroundingLine - floor($this->snippetLineCount / 2), 1);

$endLine = $startLine + ($this->snippetLineCount - 1);

if ($endLine > $totalNumberOfLineInFile) {
            $endLine = $totalNumberOfLineInFile;
            $startLine = max($endLine - ($this->snippetLineCount - 1), 1);
        }

return [$startLine, $endLine];
    }
}