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Completed
Pull Request — master (#11)
by ignace nyamagana
04:38
created

Pdf::filterOption()   A

Complexity

Conditions 2
Paths 2

Size

Total Lines 9
Code Lines 5

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
dl 0
loc 9
c 0
b 0
f 0
rs 9.6666
cc 2
eloc 5
nc 2
nop 1
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<?php
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namespace Spatie\PdfToText;
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use Spatie\PdfToText\Exceptions\CouldNotExtractText;
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use Spatie\PdfToText\Exceptions\MalformedOption;
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use Spatie\PdfToText\Exceptions\PdfNotFound;
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use Symfony\Component\Process\Process;
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class Pdf
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{
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    protected $pdf;
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    protected $binPath;
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    protected $options = [];
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    public function __construct(string $binPath = null)
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    {
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        $this->binPath = $binPath ?? '/usr/bin/pdftotext';
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    }
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    public function setPdf(string $pdf) : self
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    {
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        if (!\is_readable($pdf)) {
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            throw new PdfNotFound(sprintf('could not find pdf `%s` or is not readable', $pdf));
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        }
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        $this->pdf = $pdf;
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        return $this;
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    }
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    public function setOptions(array $options) : self
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    {
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        $this->options = \array_map([$this, 'filterOption'], $options);
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        return $this;
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    }
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    private function filterOption(string $content) : string
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    {
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        $content = \trim($content);
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        if ('-' !== $content[0] ?? '') {
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            throw new MalformedOption('The options array contains invalid value');
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        }
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        return $content;
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    }
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    public function text() : string
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    {
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        $arguments = $this->options;
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        $arguments[] = $this->pdf;
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        $arguments[] = '-';
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        \array_unshift($arguments, $this->binPath);
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        $commandline = \implode(' ', \array_map('escapeshellarg', $arguments));
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        $process = new Process($commandline);
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        $process->run();
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        if (!$process->isSuccessful()) {
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            throw new CouldNotExtractText($process);
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        }
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        return \trim($process->getOutput(), " \t\n\r\0\x0B\x0C");
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    }
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    public static function getText(string $pdf, string $binPath = null, array $options = []) : string
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    {
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        return (new static($binPath))
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            ->setOptions($options)
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            ->setPdf($pdf)
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            ->text()
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        ;
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    }
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}
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