lucene/analysis/common/src/java/org/tartarus/snowball/ext/IndonesianStemmer.java

// Generated by Snowball 2.0.0 - https://snowballstem.org/

package org.tartarus.snowball.ext;

import org.tartarus.snowball.Among;

/**
 * This class implements the stemming algorithm defined by a snowball script.
 * <p>
 * Generated by Snowball 2.0.0 - https://snowballstem.org/
 * </p>
 */
@SuppressWarnings("unused")
public class IndonesianStemmer extends org.tartarus.snowball.SnowballStemmer {

  private static final long serialVersionUID = 1L;
  private static final java.lang.invoke.MethodHandles.Lookup methodObject = java.lang.invoke.MethodHandles.lookup();

private final static Among a_0[] = {
  new Among("kah", -1, 1),
  new Among("lah", -1, 1),
  new Among("pun", -1, 1)
};

private final static Among a_1[] = {
  new Among("nya", -1, 1),
  new Among("ku", -1, 1),
  new Among("mu", -1, 1)
};

private final static Among a_2[] = {
  new Among("i", -1, 1, "r_SUFFIX_I_OK", methodObject),
  new Among("an", -1, 1, "r_SUFFIX_AN_OK", methodObject),
  new Among("kan", 1, 1, "r_SUFFIX_KAN_OK", methodObject)
};

private final static Among a_3[] = {
  new Among("di", -1, 1),
  new Among("ke", -1, 2),
  new Among("me", -1, 1),
  new Among("mem", 2, 5),
  new Among("men", 2, 1),
  new Among("meng", 4, 1),
  new Among("meny", 4, 3, "r_VOWEL", methodObject),
  new Among("pem", -1, 6),
  new Among("pen", -1, 2),
  new Among("peng", 8, 2),
  new Among("peny", 8, 4, "r_VOWEL", methodObject),
  new Among("ter", -1, 1)
};

private final static Among a_4[] = {
  new Among("be", -1, 3, "r_KER", methodObject),
  new Among("belajar", 0, 4),
  new Among("ber", 0, 3),
  new Among("pe", -1, 1),
  new Among("pelajar", 3, 2),
  new Among("per", 3, 1)
};

private static final char g_vowel[] = {17, 65, 16 };

private int I_prefix;
private int I_measure;


private boolean r_remove_particle() {
  ket = cursor;
  if (find_among_b(a_0) == 0)
  {
    return false;
  }
  bra = cursor;
  slice_del();
  I_measure -= 1;
  return true;
}

private boolean r_remove_possessive_pronoun() {
  ket = cursor;
  if (find_among_b(a_1) == 0)
  {
    return false;
  }
  bra = cursor;
  slice_del();
  I_measure -= 1;
  return true;
}

public boolean r_SUFFIX_KAN_OK() {
  if (!(I_prefix != 3))
  {
    return false;
  }
  if (!(I_prefix != 2))
  {
    return false;
  }
  return true;
}

public boolean r_SUFFIX_AN_OK() {
  if (!(I_prefix != 1))
  {
    return false;
  }
  return true;
}

public boolean r_SUFFIX_I_OK() {
  if (!(I_prefix <= 2))
  {
    return false;
  }
  {
    int v_1 = limit - cursor;
    lab0: {
      if (!(eq_s_b("s")))
      {
        break lab0;
      }
      return false;
    }
    cursor = limit - v_1;
  }
  return true;
}

private boolean r_remove_suffix() {
  ket = cursor;
  if (find_among_b(a_2) == 0)
  {
    return false;
  }
  bra = cursor;
  slice_del();
  I_measure -= 1;
  return true;
}

public boolean r_VOWEL() {
  if (!(in_grouping(g_vowel, 97, 117)))
  {
    return false;
  }
  return true;
}

public boolean r_KER() {
  if (!(out_grouping(g_vowel, 97, 117)))
  {
    return false;
  }
  if (!(eq_s("er")))
  {
    return false;
  }
  return true;
}

private boolean r_remove_first_order_prefix() {
  int among_var;
  bra = cursor;
  among_var = find_among(a_3);
  if (among_var == 0)
  {
    return false;
  }
  ket = cursor;
  switch (among_var) {
    case 1:
      slice_del();
      I_prefix = 1;
      I_measure -= 1;
      break;
    case 2:
      slice_del();
      I_prefix = 3;
      I_measure -= 1;
      break;
    case 3:
      I_prefix = 1;
      slice_from("s");
      I_measure -= 1;
      break;
    case 4:
      I_prefix = 3;
      slice_from("s");
      I_measure -= 1;
      break;
    case 5:
      I_prefix = 1;
      I_measure -= 1;
      lab0: {
        int v_1 = cursor;
        lab1: {
          int v_2 = cursor;
          if (!(in_grouping(g_vowel, 97, 117)))
          {
            break lab1;
          }
          cursor = v_2;
          slice_from("p");
          break lab0;
        }
        cursor = v_1;
        slice_del();
      }
      break;
    case 6:
      I_prefix = 3;
      I_measure -= 1;
      lab2: {
        int v_3 = cursor;
        lab3: {
          int v_4 = cursor;
          if (!(in_grouping(g_vowel, 97, 117)))
          {
            break lab3;
          }
          cursor = v_4;
          slice_from("p");
          break lab2;
        }
        cursor = v_3;
        slice_del();
      }
      break;
  }
  return true;
}

private boolean r_remove_second_order_prefix() {
  int among_var;
  bra = cursor;
  among_var = find_among(a_4);
  if (among_var == 0)
  {
    return false;
  }
  ket = cursor;
  switch (among_var) {
    case 1:
      slice_del();
      I_prefix = 2;
      I_measure -= 1;
      break;
    case 2:
      slice_from("ajar");
      I_measure -= 1;
      break;
    case 3:
      slice_del();
      I_prefix = 4;
      I_measure -= 1;
      break;
    case 4:
      slice_from("ajar");
      I_prefix = 4;
      I_measure -= 1;
      break;
  }
  return true;
}

public boolean stem() {
  I_measure = 0;
  int v_1 = cursor;
  lab0: {
    while(true)
    {
      int v_2 = cursor;
      lab1: {
        golab2: while(true)
        {
          lab3: {
            if (!(in_grouping(g_vowel, 97, 117)))
            {
              break lab3;
            }
            break golab2;
          }
          if (cursor >= limit)
          {
            break lab1;
          }
          cursor++;
        }
        I_measure += 1;
        continue;
      }
      cursor = v_2;
      break;
    }
  }
  cursor = v_1;
  if (!(I_measure > 2))
  {
    return false;
  }
  I_prefix = 0;
  limit_backward = cursor;
  cursor = limit;
  int v_4 = limit - cursor;
  r_remove_particle();
  cursor = limit - v_4;
  if (!(I_measure > 2))
  {
    return false;
  }
  int v_5 = limit - cursor;
  r_remove_possessive_pronoun();
  cursor = limit - v_5;
  cursor = limit_backward;
  if (!(I_measure > 2))
  {
    return false;
  }
  lab4: {
    int v_6 = cursor;
    lab5: {
      int v_7 = cursor;
      if (!r_remove_first_order_prefix())
      {
        break lab5;
      }
      int v_8 = cursor;
      lab6: {
        int v_9 = cursor;
        if (!(I_measure > 2))
        {
          break lab6;
        }
        limit_backward = cursor;
        cursor = limit;
        if (!r_remove_suffix())
        {
          break lab6;
        }
        cursor = limit_backward;
        cursor = v_9;
        if (!(I_measure > 2))
        {
          break lab6;
        }
        if (!r_remove_second_order_prefix())
        {
          break lab6;
        }
      }
      cursor = v_8;
      cursor = v_7;
      break lab4;
    }
    cursor = v_6;
    int v_10 = cursor;
    r_remove_second_order_prefix();
    cursor = v_10;
    int v_11 = cursor;
    lab7: {
      if (!(I_measure > 2))
      {
        break lab7;
      }
      limit_backward = cursor;
      cursor = limit;
      if (!r_remove_suffix())
      {
        break lab7;
      }
      cursor = limit_backward;
    }
    cursor = v_11;
  }
  return true;
}

@Override
public boolean equals( Object o ) {
  return o instanceof IndonesianStemmer;
}

@Override
public int hashCode() {
  return IndonesianStemmer.class.getName().hashCode();
}



}