Viewing file:  CodeSnippet.php (1.93 KB) -rw-r--r--
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<?php
namespace Spatie\Backtrace\CodeSnippets;
use RuntimeException;
class CodeSnippet
{
/** @var int */
protected $surroundingLine = 1;
/** @var int */
protected $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(SnippetProvider $provider): array
{
try {
[$startLineNumber, $endLineNumber] = $this->getBounds($provider->numberOfLines());
$code = [];
$line = $provider->getLine($startLineNumber);
$currentLineNumber = $startLineNumber;
while ($currentLineNumber <= $endLineNumber) {
$code[$currentLineNumber] = rtrim(substr($line, 0, 250));
$line = $provider->getNextLine();
$currentLineNumber++;
}
return $code;
} catch (RuntimeException $exception) {
return [];
}
}
public function getAsString(SnippetProvider $provider): string
{
$snippet = $this->get($provider);
$snippetStrings = array_map(function (string $line, string $number) {
return "{$number} {$line}";
}, $snippet, array_keys($snippet));
return implode(PHP_EOL, $snippetStrings);
}
protected function getBounds(int $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];
}
}
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