/*
*
* 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 org.apache.flex.compiler.internal.tree.mxml;
import org.apache.flex.compiler.internal.tree.as.NodeBase;
import org.apache.flex.compiler.mxml.IMXMLLanguageConstants;
import org.apache.flex.compiler.tree.ASTNodeID;
import org.apache.flex.compiler.tree.as.IASNode;
import org.apache.flex.compiler.tree.mxml.IMXMLDesignLayerNode;
import org.apache.flex.compiler.tree.mxml.IMXMLInstanceNode;
import org.apache.flex.compiler.tree.mxml.IMXMLPropertySpecifierNode;
import org.apache.flex.compiler.tree.mxml.IMXMLSpecifierNode;
import com.google.common.base.Strings;
/**
* Implementation of the {@link IMXMLDesignLayerNode} interface.
*/
class MXMLDesignLayerNode extends MXMLInstanceNode implements IMXMLDesignLayerNode
{
/**
* Constructor
*
* @param parent The parent node of this node, or <code>null</code> if there
* is no parent.
*/
MXMLDesignLayerNode(NodeBase parent)
{
super(parent);
}
@Override
public ASTNodeID getNodeID()
{
return ASTNodeID.MXMLDesignLayerID;
}
@Override
public String getName()
{
return IMXMLLanguageConstants.DESIGN_LAYER;
}
@Override
public int getHoistedChildCount()
{
int result = 0;
for (int i = 0; i < getChildCount(); i++)
{
final IASNode child = getChild(i);
// Do not count specifier nodes.
if (child instanceof IMXMLSpecifierNode)
continue;
if (child instanceof IMXMLDesignLayerNode)
{
final IMXMLDesignLayerNode designLayerNode = (IMXMLDesignLayerNode)child;
result += designLayerNode.getHoistedChildCount();
}
else if (child instanceof IMXMLInstanceNode)
{
result++;
}
else
{
throw new IllegalStateException(child.getNodeID() + " is unexpected child of DesignLayer.");
}
}
return result;
}
@Override
public boolean skipCodeGeneration()
{
final IMXMLPropertySpecifierNode[] propertySpecifierNodes = getPropertySpecifierNodes();
final boolean hasNoPropertySpecifiers = propertySpecifierNodes == null || propertySpecifierNodes.length == 0;
final boolean hasNoID = Strings.isNullOrEmpty(getID());
return hasNoPropertySpecifiers && hasNoID;
}
}