/*
*
* 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 java.util.ArrayList;
import java.util.Collection;
import java.util.LinkedList;
import java.util.List;
import org.apache.flex.compiler.common.IEmbedResolver;
import org.apache.flex.compiler.common.ISourceLocation;
import org.apache.flex.compiler.constants.IMetaAttributeConstants;
import org.apache.flex.compiler.definitions.IClassDefinition;
import org.apache.flex.compiler.exceptions.CodegenInterruptedException;
import org.apache.flex.compiler.internal.projects.ASProject;
import org.apache.flex.compiler.internal.projects.FlexProject;
import org.apache.flex.compiler.internal.tree.as.NodeBase;
import org.apache.flex.compiler.internal.units.EmbedCompilationUnit;
import org.apache.flex.compiler.internal.units.EmbedCompilationUnitFactory;
import org.apache.flex.compiler.problems.ICompilerProblem;
import org.apache.flex.compiler.projects.ICompilerProject;
import org.apache.flex.compiler.tree.ASTNodeID;
import org.apache.flex.compiler.tree.mxml.IMXMLEmbedNode;
import org.apache.flex.compiler.tree.mxml.IMXMLFileNode;
import org.apache.flex.utils.FilenameNormalization;
/**
* Node to represent the MXML @Embed compiler directive
*/
class MXMLEmbedNode extends MXMLCompilerDirectiveNodeBase implements IMXMLEmbedNode, IEmbedResolver
{
/**
* Constructor.
*
* @param parent The parent node of this node, or <code>null</code> if there
* is no parent.
*/
MXMLEmbedNode(MXMLNodeBase parent)
{
super(parent);
// When @Embed() is found in a property value, the MXMLEmbedNode
// gets created and later wrapped by an MXMLClassNode.
// So it doesn't not initially have a parent.
if (parent != null)
setContainingSourceFilename();
}
private String containingSourceFilename = null;
@Override
public void setParent(NodeBase parent)
{
super.setParent(parent);
if (parent != null)
setContainingSourceFilename();
}
private void setContainingSourceFilename()
{
// TODO Refactor this to avoid walking up to the file node.
IMXMLFileNode fileNode = (IMXMLFileNode)getAncestorOfType(IMXMLFileNode.class);
containingSourceFilename = FilenameNormalization.normalize(fileNode.getSourcePath());
}
@Override
public void initializeFromText(MXMLTreeBuilder builder,
String text, ISourceLocation location)
{
parseTextAndSetAttributes(builder, text, location, IMetaAttributeConstants.ATTRIBUTE_EMBED);
MXMLFileNode fileNode = builder.getFileNode();
fileNode.addEmbedNode(this);
}
@Override
public EmbedCompilationUnit resolveCompilationUnit(ICompilerProject project, Collection<ICompilerProblem> problems) throws InterruptedException
{
assert (project instanceof ASProject);
return EmbedCompilationUnitFactory.getCompilationUnit((ASProject)project, containingSourceFilename, this, attributes, problems);
}
@Override
public EmbedCompilationUnit resolveCompilationUnit(ICompilerProject project) throws InterruptedException
{
assert (project instanceof ASProject);
Collection<ICompilerProblem> ignoredProblems = new ArrayList<ICompilerProblem>();
return resolveCompilationUnit(project, ignoredProblems);
}
@Override
public IClassDefinition getClassReference(ICompilerProject project)
{
IClassDefinition classReference = super.getClassReference(project);
if (classReference != null)
return classReference;
try
{
// generated embed compilation unit has not been resolved yet,
// so resolve it and set the reference.
List<ICompilerProblem> problems = new LinkedList<ICompilerProblem>();
EmbedCompilationUnit cu = resolveCompilationUnit(project, problems);
if (cu == null)
return null;
setClassReference((FlexProject)project, cu.getName());
}
catch (InterruptedException e)
{
throw new CodegenInterruptedException(e);
}
return super.getClassReference(project);
}
@Override
public ASTNodeID getNodeID()
{
return ASTNodeID.MXMLEmbedID;
}
@Override
public String getName()
{
return "Embed";
}
}