public static int skipCQLValue()

in core/src/main/java/com/datastax/oss/driver/internal/core/type/codec/ParseUtils.java [43:96]

• 46 lines of code
• 39 McCabe index (conditional complexity)

  public 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) || !isCqlIdentifierChar(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;
  }