static int skipCQLValue()

in src/java/org/apache/cassandra/cql3/functions/types/ParseUtils.java [74:150]
69 lines of code
39 McCabe index (conditional complexity)

    static int skipCQLValue(String toParse, int idx)
    {
        if (idx >= toParse.length()) throw new IllegalArgumentException();

        if (isBlank(toParse.charAt(idx))) throw new IllegalArgumentException();

        int cbrackets = 0;
        int sbrackets = 0;
        int parens = 0;
        boolean inString = false;

        do
        {
            char c = toParse.charAt(idx);
            if (inString)
            {
                if (c == '\'')
                {
                    if (idx + 1 < toParse.length() && toParse.charAt(idx + 1) == '\'')
                    {
                        ++idx; // this is an escaped quote, skip it
                    }
                    else
                    {
                        inString = false;
                        if (cbrackets == 0 && sbrackets == 0 && parens == 0) return idx + 1;
                    }
                }
                // Skip any other character
            }
            else if (c == '\'')
            {
                inString = true;
            }
            else if (c == '{')
            {
                ++cbrackets;
            }
            else if (c == '[')
            {
                ++sbrackets;
            }
            else if (c == '(')
            {
                ++parens;
            }
            else if (c == '}')
            {
                if (cbrackets == 0) return idx;

                --cbrackets;
                if (cbrackets == 0 && sbrackets == 0 && parens == 0) return idx + 1;
            }
            else if (c == ']')
            {
                if (sbrackets == 0) return idx;

                --sbrackets;
                if (cbrackets == 0 && sbrackets == 0 && parens == 0) return idx + 1;
            }
            else if (c == ')')
            {
                if (parens == 0) return idx;

                --parens;
                if (cbrackets == 0 && sbrackets == 0 && parens == 0) return idx + 1;
            }
            else if (isBlank(c) || !isIdentifierChar(c))
            {
                if (cbrackets == 0 && sbrackets == 0 && parens == 0) return idx;
            }
        } while (++idx < toParse.length());

        if (inString || cbrackets != 0 || sbrackets != 0 || parens != 0)
            throw new IllegalArgumentException();
        return idx;
    }