Leafo\ScssPhp\Parser::selectorSingle()

Complexity

Conditions	53
Paths	32

Size

Total Lines	185
Code Lines	107

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php
     * @param array $selectors
     *
     * @return string
     */
    protected function stripOptionalFlag(&$selectors)
    {
        $optional = false;

        $selector = end($selectors);
        $part = end($selector);

        if ($part === ['!optional']) {
            array_pop($selectors[count($selectors) - 1]);

            $optional = true;
        }

        return $optional;
    }

    /**
     * Turn list of length 1 into value type
     *
     * @param array $value
     *
     * @return array
     */
    protected function flattenList($value)
    {
        if ($value[0] === Type::T_LIST && count($value[2]) === 1) {
            return $this->flattenList($value[2][0]);
        }

        return $value;
    }

    /**
     * @deprecated
     *
     * {@internal
     *     advance counter to next occurrence of $what
     *     $until - don't include $what in advance
     *     $allowNewline, if string, will be used as valid char set
     * }}
     */
    protected function to($what, &$out, $until = false, $allowNewline = false)
    {
        if (is_string($allowNewline)) {
            $validChars = $allowNewline;
        } else {
            $validChars = $allowNewline ? '.' : "[^\n]";
        }

        if (! $this->match('(' . $validChars . '*?)' . $this->pregQuote($what), $m, ! $until)) {
            return false;
        }

        if ($until) {
            $this->count -= strlen($what); // give back $what
        }

        $out = $m[1];

        return true;
    }

    /**
     * @deprecated
     */
    protected function show()
    {
        if ($this->peek("(.*?)(\n|$)", $m, $this->count)) {
            return $m[1];
        }

        return '';
    }

    /**
     * Quote regular expression
     *
     * @param string $what
     *
     * @return string
     */
    private function pregQuote($what)
    {
        return preg_quote($what, '/');
    }

    /**
     * Extract line numbers from buffer
     *
     * @param string $buffer
     */
    private function extractLineNumbers($buffer)
    {
        $this->sourcePositions = [0 => 0];
        $prev = 0;

        while (($pos = strpos($buffer, "\n", $prev)) !== false) {
            $this->sourcePositions[] = $pos;
            $prev = $pos + 1;
        }

        $this->sourcePositions[] = strlen($buffer);

        if (substr($buffer, -1) !== "\n") {
            $this->sourcePositions[] = strlen($buffer) + 1;
        }
    }

    /**
     * Get source line number and column (given character position in the buffer)
     *
     * @param integer $pos
     *
     * @return integer
     */
    private function getSourcePosition($pos)
    {
        $low = 0;
        $high = count($this->sourcePositions);

        while ($low < $high) {
            $mid = (int) (($high + $low) / 2);

            if ($pos < $this->sourcePositions[$mid]) {
                $high = $mid - 1;
                continue;
            }

            if ($pos >= $this->sourcePositions[$mid + 1]) {
                $low = $mid + 1;
                continue;
            }

            return [$mid + 1, $pos - $this->sourcePositions[$mid]];
        }

        return [$low + 1, $pos - $this->sourcePositions[$low]];
    }

    /**
     * Save internal encoding
     */
    private function saveEncoding()
    {
        if (version_compare(PHP_VERSION, '7.2.0') >= 0) {
            return;
        }

        $iniDirective = 'mbstring' . '.func_overload'; // deprecated in PHP 7.2

        if (ini_get($iniDirective) & 2) {
            $this->encoding = mb_internal_encoding();

            mb_internal_encoding('iso-8859-1');
        }
    }

    /**
     * Restore internal encoding
     */
    private function restoreEncoding()
    {
        if ($this->encoding) {
            mb_internal_encoding($this->encoding);
        }
    }
}