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/*
 * (c) 2005 David B. Bracewell
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package com.davidbracewell.parsing;

import com.google.common.base.MoreObjects;
import com.google.common.base.Objects;
import lombok.Getter;
import lombok.NonNull;

/**
 * A parse token from a Lexer to be used in a Parser
 *
 * @author David B. Bracewell
 */
@Getter
public final class ParserToken {

  public final String text;
  public final ParserTokenType type;

  /**
   * Static method for constructing tokens
   *
   * @param text The text of the token
   * @param type The type of the token
   */
  public ParserToken(@NonNull String text, @NonNull ParserTokenType type) {
    this.text = text;
    this.type = type;
  }


  @Override
  public String toString() {
    return MoreObjects.toStringHelper(ParserToken.class)
        .add("text", text)
        .add("type", type)
        .toString();
  }

  @Override
  public int hashCode() {
    return Objects.hashCode(text, type);
  }

  @Override
  public boolean equals(Object obj) {
    if (this == obj) {
      return true;
    }
    if (obj == null || getClass() != obj.getClass()) {
      return false;
    }
    final ParserToken other = (ParserToken) obj;
    return Objects.equal(this.text, other.text) && Objects.equal(this.type, other.type);
  }

}//END OF ParseToken




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