Subversion-Projekte lars-tiefland.laravel_shop

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Revision 148 | Details | Vergleich mit vorheriger | Letzte Änderung | Log anzeigen | RSS feed

Revision Autor Zeilennr. Zeile
148 lars 1 
<?php
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namespace Spatie\Backtrace;
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use RuntimeException;
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class CodeSnippet
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{
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    /** @var int */
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    protected $surroundingLine = 1;
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    /** @var int */
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    protected $snippetLineCount = 9;
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    public function surroundingLine(int $surroundingLine): self
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    {
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        $this->surroundingLine = $surroundingLine;
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        return $this;
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    }
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    public function snippetLineCount(int $snippetLineCount): self
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    {
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        $this->snippetLineCount = $snippetLineCount;
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        return $this;
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    }
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    public function get(string $fileName): array
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    {
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        if (! file_exists($fileName)) {
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            return [];
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        }
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        try {
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            $file = new File($fileName);
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            [$startLineNumber, $endLineNumber] = $this->getBounds($file->numberOfLines());
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            $code = [];
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            $line = $file->getLine($startLineNumber);
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            $currentLineNumber = $startLineNumber;
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            while ($currentLineNumber <= $endLineNumber) {
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                $code[$currentLineNumber] = rtrim(substr($line, 0, 250));
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                $line = $file->getNextLine();
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                $currentLineNumber++;
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            }
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            return $code;
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        } catch (RuntimeException $exception) {
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            return [];
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        }
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    }
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    public function getAsString(string $fileName): string
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    {
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        $snippet = $this->get($fileName);
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        $snippetStrings = array_map(function (string $line, string $number) {
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            return "{$number} {$line}";
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        }, $snippet, array_keys($snippet));
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        return implode(PHP_EOL, $snippetStrings);
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    }
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    protected function getBounds(int $totalNumberOfLineInFile): array
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    {
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        $startLine = max($this->surroundingLine - floor($this->snippetLineCount / 2), 1);
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        $endLine = $startLine + ($this->snippetLineCount - 1);
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        if ($endLine > $totalNumberOfLineInFile) {
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            $endLine = $totalNumberOfLineInFile;
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            $startLine = max($endLine - ($this->snippetLineCount - 1), 1);
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        }
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        return [$startLine, $endLine];
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    }
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}