private static function Inline::parseSequence in Lockr 7.3

Parses a YAML sequence.

Parameters

string $sequence:

int $flags:

int &$i:

array $references:

Return value

array

Throws

ParseException When malformed inline YAML string is parsed

2 calls to Inline::parseSequence()

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.

File

vendor/symfony/yaml/Inline.php, line 412

Class

Inline

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

Namespace

Symfony\Component\Yaml

Code

private static function parseSequence($sequence, $flags, &$i = 0, $references = []) {
  $output = [];
  $len = \strlen($sequence);
  ++$i;

  // [foo, bar, ...]
  while ($i < $len) {
    if (']' === $sequence[$i]) {
      return $output;
    }
    if (',' === $sequence[$i] || ' ' === $sequence[$i]) {
      ++$i;
      continue;
    }
    $tag = self::parseTag($sequence, $i, $flags);
    switch ($sequence[$i]) {
      case '[':

        // nested sequence
        $value = self::parseSequence($sequence, $flags, $i, $references);
        break;
      case '{':

        // nested mapping
        $value = self::parseMapping($sequence, $flags, $i, $references);
        break;
      default:
        $isQuoted = \in_array($sequence[$i], [
          '"',
          "'",
        ]);
        $value = self::parseScalar($sequence, $flags, [
          ',',
          ']',
        ], $i, null === $tag, $references);

        // the value can be an array if a reference has been resolved to an array var
        if (\is_string($value) && !$isQuoted && false !== strpos($value, ': ')) {

          // embedded mapping?
          try {
            $pos = 0;
            $value = self::parseMapping('{' . $value . '}', $flags, $pos, $references);
          } catch (\InvalidArgumentException $e) {

            // no, it's not
          }
        }
        --$i;
    }
    if (null !== $tag) {
      $value = new TaggedValue($tag, $value);
    }
    $output[] = $value;
    ++$i;
  }
  throw new ParseException(sprintf('Malformed inline YAML string: %s.', $sequence), self::$parsedLineNumber + 1, null, self::$parsedFilename);
}