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vendor/facade/flare-client-php/src/Stacktrace/Codesnippet.php

@@ -0,0 +1,72 @@
+<?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];
+    }
+}