function Inline::parseScalar

Parses a YAML scalar.

Throws

ParseException When malformed inline YAML string is parsed

6 calls to Inline::parseScalar()

Inline::evaluateBinaryScalar in vendor/symfony/yaml/Inline.php

Inline::evaluateScalar in vendor/symfony/yaml/Inline.php

Evaluates scalars and replaces magic values.

Inline::parse in vendor/symfony/yaml/Inline.php

Converts a YAML string to a PHP value.

Inline::parseMapping in vendor/symfony/yaml/Inline.php

Parses a YAML mapping.

Inline::parseSequence in vendor/symfony/yaml/Inline.php

Parses a YAML sequence.

... See full list

File

vendor/symfony/yaml/Inline.php, line 270

Class

Inline

Inline implements a YAML parser/dumper for the YAML inline syntax.

Namespace

Symfony\Component\Yaml

Code

public static function parseScalar(string $scalar, int $flags = 0, ?array $delimiters = null, int &$i = 0, bool $evaluate = true, array &$references = [], ?bool &$isQuoted = null) : mixed {
    if (\in_array($scalar[$i], [
        '"',
        "'",
    ], true)) {
        // quoted scalar
        $isQuoted = true;
        $output = self::parseQuotedScalar($scalar, $i);
        if (null !== $delimiters) {
            $tmp = ltrim(substr($scalar, $i), " \n");
            if ('' === $tmp) {
                throw new ParseException(\sprintf('Unexpected end of line, expected one of "%s".', implode('', $delimiters)), self::$parsedLineNumber + 1, $scalar, self::$parsedFilename);
            }
            if (!\in_array($tmp[0], $delimiters)) {
                throw new ParseException(\sprintf('Unexpected characters (%s).', substr($scalar, $i)), self::$parsedLineNumber + 1, $scalar, self::$parsedFilename);
            }
        }
    }
    else {
        // "normal" string
        $isQuoted = false;
        if (!$delimiters) {
            $output = substr($scalar, $i);
            $i += \strlen($output);
            // remove comments
            if (Parser::preg_match('/[ \\t]+#/', $output, $match, \PREG_OFFSET_CAPTURE)) {
                $output = substr($output, 0, $match[0][1]);
            }
        }
        elseif (Parser::preg_match('/^(.*?)(' . implode('|', $delimiters) . ')/', substr($scalar, $i), $match)) {
            $output = $match[1];
            $i += \strlen($output);
            $output = trim($output);
        }
        else {
            throw new ParseException(\sprintf('Malformed inline YAML string: "%s".', $scalar), self::$parsedLineNumber + 1, null, self::$parsedFilename);
        }
        // a non-quoted string cannot start with @ or ` (reserved) nor with a scalar indicator (| or >)
        if ($output && ('@' === $output[0] || '`' === $output[0] || '|' === $output[0] || '>' === $output[0] || '%' === $output[0])) {
            throw new ParseException(\sprintf('The reserved indicator "%s" cannot start a plain scalar; you need to quote the scalar.', $output[0]), self::$parsedLineNumber + 1, $output, self::$parsedFilename);
        }
        if ($evaluate) {
            $output = self::evaluateScalar($output, $flags, $references, $isQuoted);
        }
    }
    return $output;
}