Review

finding-12

/mubench/checkouts/lucene/1918/build/src/java/org/apache/lucene/queryParser/QueryParser.java

escape(String)

class QueryParser {
  public static String escape(String s) {
    StringBuffer sb = new StringBuffer();
    for (int i = 0; i < s.length(); i++) {
      char c = s.charAt(i);
      // These characters are part of the query syntax and must be escaped
      if (c == '\\' || c == '+' || c == '-' || c == '!' || c == '(' || c == ')' || c == ':'
        || c == '^' || c == '[' || c == ']' || c == '\"' || c == '{' || c == '}' || c == '~'
        || c == '*' || c == '?' || c == '|' || c == '&') {
        sb.append('\\');
      }
      sb.append(c);
    }
    return sb.toString();
  }

}