Yosymfony\Toml\Parser::processKeyValue PHP Méthode

    private function processKeyValue()
    {
        $quotesKey = false;
        if (Lexer::TOKEN_QUOTES === $this->lexer->getCurrentToken()->getType()) {
            $quotesKey = true;
            $this->lexer->getToken();
            if (Lexer::TOKEN_STRING !== $this->lexer->getCurrentToken()->getType()) {
                throw new ParseException(sprintf('Syntax error: expected string. Key: %s', $this->lexer->getCurrentToken()->getValue()), $this->currentLine, $this->lexer->getCurrentToken()->getValue());
            }
            $key = $this->lexer->getCurrentToken()->getValue();
            $this->lexer->getToken();
        } else {
            $key = $this->lexer->getCurrentToken()->getValue();
            while ($this->isTokenValidForKey($this->lexer->getToken())) {
                $key = $key . $this->lexer->getCurrentToken()->getValue();
            }
        }
        if ($quotesKey) {
            if (Lexer::TOKEN_QUOTES === $this->lexer->getCurrentToken()->getType()) {
                $this->lexer->getToken();
            } else {
                throw new ParseException(sprintf('Syntax error: expected quotes for closing key: %s', $key), $this->currentLine, $this->lexer->getCurrentToken()->getValue());
            }
        }
        if (Lexer::TOKEN_EQUAL !== $this->lexer->getCurrentToken()->getType()) {
            throw new ParseException(sprintf('Syntax error: expected equal near the key: %s', $key), $this->currentLine, $this->lexer->getCurrentToken()->getValue());
        }
        $key = trim($key);
        if (false === $this->isValidKey($key, $quotesKey)) {
            throw new ParseException(sprintf('Syntax error: the key %s is invalid. A key without embraces can not contains white spaces', $key), $this->currentLine, $this->lexer->getCurrentToken()->getValue());
        }
        if (array_key_exists($key, $this->data)) {
            throw new ParseException(sprintf('Syntax error: the key %s has already been defined', $key), $this->currentLine, $this->lexer->getCurrentToken()->getValue());
        }
        switch ($this->lexer->getToken()->getType()) {
            case Lexer::TOKEN_QUOTES:
            case Lexer::TOKEN_TRIPLE_QUOTES:
            case Lexer::TOKEN_QUOTE:
            case Lexer::TOKEN_TRIPLE_QUOTE:
                $this->data[$key] = $this->getStringValue($this->lexer->getCurrentToken());
                break;
            case Lexer::TOKEN_LKEY:
                $this->processInlineTable($key);
                break;
            case Lexer::TOKEN_LBRANK:
                $this->data[$key] = $this->getArrayValue();
                break;
            case Lexer::TOKEN_LITERAL:
                $this->data[$key] = $this->getLiteralValue();
                break;
            default:
                throw new ParseException('Syntax error: expected data type', $this->currentLine, $this->lexer->getCurrentToken()->getValue());
        }
    }