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/*
 * Sonar Delphi Plugin
 * Copyright (C) 2019 Integrated Application Development
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
 */
package au.com.integradev.delphi.antlr.ast.node;

import au.com.integradev.delphi.antlr.ast.visitors.DelphiParserVisitor;
import org.antlr.runtime.Token;
import org.sonar.plugins.communitydelphi.api.ast.DelphiNode;
import org.sonar.plugins.communitydelphi.api.ast.VisibilityNode;
import org.sonar.plugins.communitydelphi.api.token.DelphiTokenType;

public final class VisibilityNodeImpl extends DelphiNodeImpl implements VisibilityNode {
  public VisibilityNodeImpl(Token token) {
    super(token);
  }

  @Override
  public  T accept(DelphiParserVisitor visitor, T data) {
    return visitor.visit(this, data);
  }

  @Override
  public VisibilityType getVisibility() {
    DelphiTokenType tokenType = getTokenType();
    switch (tokenType) {
      case PUBLISHED:
        return VisibilityType.PUBLISHED;
      case PUBLIC:
        return VisibilityType.PUBLIC;
      case PROTECTED:
        return strict() ? VisibilityType.STRICT_PROTECTED : VisibilityType.PROTECTED;
      case PRIVATE:
        return strict() ? VisibilityType.STRICT_PRIVATE : VisibilityType.PRIVATE;
      default:
        throw new AssertionError("Visibility node has unexpected token type: " + tokenType.name());
    }
  }

  private boolean strict() {
    DelphiNode child = getChild(0);
    return child != null && child.getTokenType() == DelphiTokenType.STRICT;
  }
}