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Merger::merge()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 4

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 1
nc 1
nop 0
dl 0
loc 4
rs 10
c 0
b 0
f 0
1
<?php
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declare(strict_types = 1);
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namespace iio\libmergepdf;
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use iio\libmergepdf\Driver\DriverInterface;
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use iio\libmergepdf\Driver\DefaultDriver;
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use iio\libmergepdf\Source\SourceInterface;
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use iio\libmergepdf\Source\FileSource;
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use iio\libmergepdf\Source\RawSource;
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/**
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 * Merge existing pdfs into one
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 *
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 * Note that your PDFs are merged in the order that you add them
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 */
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final class Merger
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{
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    /**
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     * @var SourceInterface[] List of pdf sources to merge
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     */
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    private $sources = [];
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    /**
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     * @var DriverInterface
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     */
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    private $driver;
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    public function __construct(DriverInterface $driver = null)
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    {
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        $this->driver = $driver ?: new DefaultDriver;
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    }
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    /**
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     * Add raw PDF from string
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     */
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    public function addRaw(string $content, PagesInterface $pages = null): void
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    {
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        $this->sources[] = new RawSource($content, $pages);
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    }
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    /**
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     * Add PDF from file
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     */
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    public function addFile(string $filename, PagesInterface $pages = null): void
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    {
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        $this->sources[] = new FileSource($filename, $pages);
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    }
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    /**
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     * Add files using iterator
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     *
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     * Note that optional pages constraint is used for every added pdf
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     */
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    public function addIterator(iterable $iterator, PagesInterface $pages = null): void
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    {
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        foreach ($iterator as $filename) {
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            $this->addFile($filename, $pages);
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        }
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    }
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    /**
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     * Merges loaded PDFs
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     */
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    public function merge(): string
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    {
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        return $this->driver->merge(...$this->sources);
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    }
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    /**
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     * Reset internal state
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     */
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    public function reset(): void
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    {
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        $this->sources = [];
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    }
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}
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