content: /**
   * erlyberly, erlang trace debugger
   * Copyright (C) 2016 Andy Till
   *
   * This program is free software: you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation, either version 3 of the License, or
   * (at your option) any later version.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program. If not, see <http://www.gnu.org/licenses/>.
   */
  package erlyberly.format;
  
  import com.ericsson.otp.erlang.OtpErlangAtom;
  import com.ericsson.otp.erlang.OtpErlangObject;
  import com.ericsson.otp.erlang.OtpErlangTuple;
  
  /**
   * Formatter API for erlang terms, functions, exceptions, and everything
   * else which differs per language.
   */
  public interface TermFormatter {
  
      String modFuncArgsToString(OtpErlangTuple mfa);
  
      String modFuncArityToString(OtpErlangTuple mfa);
  
      default String modFuncArityToString(String mod, String func, int arity) { return mod + ":" + func + "/" + arity; }
  
      default String moduleNameToString(String modName) { return modName; }
  
      String exceptionToString(OtpErlangAtom errorClass, OtpErlangObject errorReason);
  
      StringBuilder appendToString(OtpErlangObject obj, StringBuilder sb);
  
      default String toString(OtpErlangObject obj) {
          return appendToString(obj, new StringBuilder()).toString();
      }
  
      default String mapKeyToString(OtpErlangObject obj) {
          return toString(obj) + " => ";
      }
  
      String emptyTupleString();
  
      String tupleLeftParen();
  
      String tupleRightParen();
  
      String emptyListString();
  
      String listLeftParen();
  
      String listRightParen();
  
      String mapLeft(OtpErlangObject obj);
  
      String mapRight();
  
      // True if given key in map should be hidden (Elixir __struct__)
      Boolean isHiddenField(OtpErlangObject key);
  
      String cons();
  }
  