/*
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.ZyGraph.Builders;

import com.google.common.base.Preconditions;
import com.google.security.zynamics.binnavi.disassembly.INaviTextNode;
import com.google.security.zynamics.zylib.gui.zygraph.realizers.ZyLabelContent;

/**
 * Builder class that builds the content of text nodes.
 */
public final class ZyTextNodeBuilder {
  /**
   * You are not supposed to instantiate this class.
   */
  private ZyTextNodeBuilder() {}

  /**
   * Builds the content of the text node.
   *
   * @param node The node for which the context is built.
   *
   * @return The created node content.
   */
  public static ZyLabelContent buildContent(final INaviTextNode node) {
    Preconditions.checkNotNull(node, "IE01700: Node argument can not be null");
    final ZyLabelContent content = new ZyLabelContent(null);
    buildContent(content, node);
    return content;
  }

  /**
   * builds the content of the text node.
   *
   * @param content The content of the label.
   * @param node The text node.
   */
  public static void buildContent(final ZyLabelContent content, final INaviTextNode node) {
    Preconditions.checkNotNull(node, "IE00921: Node argument can not be null");
    Preconditions.checkNotNull(content, "IE02732: content argument can not be null");

    while (content.getLineCount() != 0) {
      content.removeLine(0);
    }
    ZyNodeBuilder.addCommentTagLines(content, node, node.getComments(), null);
  }
}