Viewing file:  Trace.php (3.04 KB) -rw-r--r--
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<?php
namespace Enlightn\Enlightn\Analyzers;
use Illuminate\Support\Str;
use JsonSerializable;
use RuntimeException;
class Trace implements JsonSerializable
{
/**
* @var int
*/
public $lineNumber;
/**
* @var string|null
*/
public $details;
/**
* @var string|null
*/
public $path;
/**
* @var array
*/
public $codeSnippet = [];
/**
* @var int
*/
private $snippetLineCount = 30;
public function __construct($path, $lineNumber, $details = null)
{
$this->path = $path;
$this->lineNumber = $lineNumber;
$this->details = $details;
}
/**
* @return array
*/
public function codeSnippet()
{
if (! file_exists($path = $this->absolutePath())) {
return [];
}
if (! empty($this->codeSnippet)) {
// Return cached value if already computed.
return $this->codeSnippet;
}
try {
$file = new File($path);
[$startLineNumber, $endLineNumber] = $this->getBounds($file->numberOfLines());
$codeSnippet = [];
$line = $file->getLine($startLineNumber);
$currentLineNumber = $startLineNumber;
while ($currentLineNumber <= $endLineNumber) {
$codeSnippet[$currentLineNumber] = rtrim(substr($line, 0, 250));
$line = $file->getNextLine();
$currentLineNumber++;
}
$this->codeSnippet = $codeSnippet;
return $this->codeSnippet;
} catch (RuntimeException $exception) {
return [];
}
}
/**
* @return string|null
*/
public function relativePath()
{
return trim(Str::contains($this->path, base_path()) ? Str::after($this->path, base_path()) : $this->path, '/');
}
/**
* @return string|null
*/
public function absolutePath()
{
if (! file_exists($this->path)) {
return base_path(trim($this->path, '/'));
}
return $this->path;
}
/**
* @param int $snippetLineCount
* @return $this
*/
public function setSnippetLineCount(int $snippetLineCount)
{
$this->snippetLineCount = $snippetLineCount;
return $this;
}
/**
* @return array
*/
public function jsonSerialize()
{
return [
'path' => $this->relativePath(),
'lineNumber' => $this->lineNumber,
'details' => $this->details,
'codeSnippet' => $this->codeSnippet(),
];
}
/**
* @param int $totalLines
* @return array
*/
private function getBounds(int $totalLines)
{
$startLine = max($this->lineNumber - floor($this->snippetLineCount / 2), 1);
$endLine = $startLine + ($this->snippetLineCount - 1);
if ($endLine > $totalLines) {
$endLine = $totalLines;
$startLine = max($endLine - ($this->snippetLineCount - 1), 1);
}
return [$startLine, $endLine];
}
}
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