/*
Copyright 2011-2016 Google Inc. All Rights Reserved.

Licensed 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.google.security.zynamics.binnavi.Gui.CriteriaDialog.Conditions.Not;

import java.util.List;

import com.google.security.zynamics.binnavi.Gui.CriteriaDialog.Conditions.ICachedCriterium;
import com.google.security.zynamics.binnavi.Gui.CriteriaDialog.ExpressionModel.CCachedExpressionTreeNode;
import com.google.security.zynamics.binnavi.yfileswrap.zygraph.NaviNode;


/**
 * Cached NOT criterium.
 */
public final class CCachedNotCriterium implements ICachedCriterium, IAbstractNotCriterium {
  @Override
  public String getFormulaString(final List<CCachedExpressionTreeNode> children) {
    if (children.size() != 1) {
      throw new IllegalStateException(
          "IE01115: NOT operator has more or less than one child criterium.");
    }

    return "!(" + children.get(0).getCriterium().getFormulaString(children.get(0).getChildren())
        + ")";
  }

  @Override
  public boolean matches(final NaviNode node) {
    return true;
  }
}
