| /* |
| * |
| * 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.royale.compiler.internal.tree.mxml; |
| |
| import org.apache.royale.compiler.internal.tree.as.NodeBase; |
| import org.apache.royale.compiler.mxml.IMXMLLanguageConstants; |
| import org.apache.royale.compiler.tree.ASTNodeID; |
| import org.apache.royale.compiler.tree.as.IASNode; |
| import org.apache.royale.compiler.tree.mxml.IMXMLDesignLayerNode; |
| import org.apache.royale.compiler.tree.mxml.IMXMLInstanceNode; |
| import org.apache.royale.compiler.tree.mxml.IMXMLPropertySpecifierNode; |
| import org.apache.royale.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; |
| } |
| } |