/*
*
* 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.projects.FlexProject;
import org.apache.flex.compiler.internal.tree.as.NodeBase;
import org.apache.flex.compiler.mxml.IMXMLData;
import org.apache.flex.compiler.mxml.IMXMLLanguageConstants;
import org.apache.flex.compiler.mxml.IMXMLTagAttributeData;
import org.apache.flex.compiler.mxml.IMXMLTagData;
import org.apache.flex.compiler.problems.ICompilerProblem;
import org.apache.flex.compiler.problems.MXMLDualContentProblem;
import org.apache.flex.compiler.tree.ASTNodeID;
import org.apache.flex.compiler.tree.as.IASNode;
import org.apache.flex.compiler.tree.mxml.IMXMLModelNode;
import org.apache.flex.compiler.tree.mxml.IMXMLModelRootNode;
import static org.apache.flex.compiler.mxml.IMXMLLanguageConstants.*;
/**
* Implementation of the {@code IMXMLModelNode} interface.
*/
class MXMLModelNode extends MXMLInstanceNode implements IMXMLModelNode
{
/**
* Constructor
*
* @param parent The parent node of this node, or <code>null</code> if there
* is no parent.
*/
MXMLModelNode(NodeBase parent)
{
super(parent);
}
/**
* The sole child node.
*/
private MXMLModelRootNode rootNode;
@Override
public ASTNodeID getNodeID()
{
return ASTNodeID.MXMLModelID;
}
@Override
public String getName()
{
return IMXMLLanguageConstants.MODEL;
}
@Override
public int getChildCount()
{
return rootNode != null ? 1 : 0;
}
@Override
public IASNode getChild(int i)
{
return i == 0 ? rootNode : null;
}
@Override
public IMXMLModelRootNode getRootNode()
{
return rootNode;
}
@Override
protected void initializeFromTag(MXMLTreeBuilder builder, IMXMLTagData tag)
{
FlexProject project = builder.getProject();
String qname = project.getModelClass();
setClassReference(project, qname);
super.initializeFromTag(builder, tag);
}
@Override
protected void processTagSpecificAttribute(MXMLTreeBuilder builder, IMXMLTagData tag,
IMXMLTagAttributeData attribute,
MXMLNodeInfo info)
{
if (attribute.isSpecialAttribute(ATTRIBUTE_SOURCE))
{
// Resolve the attribute value to a normalized path.
// Doing so makes this compilation unit dependent on that file.
String sourcePath = resolveSourceAttributePath(builder, attribute, info);
if (sourcePath != null)
{
IMXMLData mxmlData = builder.getExternalMXMLData(attribute, sourcePath);
if (mxmlData != null)
{
IMXMLTagData rootTag = mxmlData.getRootTag();
rootNode = new MXMLModelRootNode(this);
rootNode.initializeFromTag(builder, rootTag);
}
}
}
else
{
super.processTagSpecificAttribute(builder, tag, attribute, info);
}
}
@Override
protected void processChildTag(MXMLTreeBuilder builder, IMXMLTagData tag,
IMXMLTagData childTag, MXMLNodeInfo info)
{
info.hasDualContent = true;
if (rootNode == null)
{
rootNode = new MXMLModelRootNode(this);
rootNode.initializeFromTag(builder, childTag);
}
else
{
// TODO Report a problem if more than one root node.
}
}
@Override
protected void initializationComplete(MXMLTreeBuilder builder, IMXMLTagData tag,
MXMLNodeInfo info)
{
super.initializationComplete(builder, tag, info);
if (info.hasSourceAttribute && info.hasDualContent)
{
ICompilerProblem problem = new MXMLDualContentProblem(tag, tag.getShortName());
builder.addProblem(problem);
}
}
}