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Multiline::looksLikeMultilineStart()   A
last analyzed

Complexity

Conditions 3
Paths 2

Size

Total Lines 6
Code Lines 3

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 4
CRAP Score 3

Importance

Changes 0
Metric Value
cc 3
eloc 3
c 0
b 0
f 0
nc 2
nop 1
dl 0
loc 6
ccs 4
cts 4
cp 1
crap 3
rs 10
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<?php
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declare(strict_types=1);
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namespace Enjoys\Dotenv\Parser\Lines;
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final class Multiline
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{
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    /**
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     * @var string[]
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     */
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    private array $output = [];
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    /**
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     * @param string[] $rawLines
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     */
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    private function __construct(private array $rawLines)
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    {
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    }
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    /**
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     * @param string[] $rawLines
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     * @return string[]
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     */
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    public static function handle(array $rawLines): array
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    {
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        $linesHandler = new self($rawLines);
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        $linesHandler->process();
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        return $linesHandler->getOutput();
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    }
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    /**
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     * @return string[]
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     */
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    private function getOutput(): array
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    {
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        return $this->output;
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    }
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    private function process(): void
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    {
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        $multiline = false;
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        $multilineBuffer = [];
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        foreach ($this->rawLines as $line) {
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            [$multiline, $line, $multilineBuffer] = $this->multilineProcess($multiline, $line, $multilineBuffer);
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            if (!$multiline) {
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                $this->output[] = $line;
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            }
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        }
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    }
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    /**
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     * @param bool $multiline
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     * @param string $line
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     * @param string[] $buffer
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     * @return array{0: bool, 1: string, 2: string[]}
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     */
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    private function multilineProcess(bool $multiline, string $line, array $buffer): array
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    {
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        $_started = false;
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        if ($multiline === false && $_started = $this->looksLikeMultilineStart($line)) {
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            $multiline = true;
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        }
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        if ($multiline) {
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            $buffer[] = $line;
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            if ($this->looksLikeMultilineStop($line, $_started)) {
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                $multiline = false;
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                $line = \implode("\\n", $buffer);
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                $buffer = [];
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            }
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        }
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        return [$multiline, $line, $buffer];
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    }
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    private function looksLikeMultilineStart(string $line): bool
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    {
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        if (str_contains($line, '="') && !$this->looksLikeMultilineStop($line, true)) {
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            return true;
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        }
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        return false;
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    }
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    private function looksLikeMultilineStop(string $line, bool $started): bool
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    {
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        if ($line === '"') {
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            return true;
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        }
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        $result = \preg_match_all('/(?=([^\\\\]"))/', \str_replace('\\\\', '', $line));
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        return $started ? $result > 1 : $result >= 1;
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    }
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}
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