/*
*
* 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.List;
import org.apache.flex.compiler.internal.tree.as.NodeBase;
import org.apache.flex.compiler.mxml.IMXMLTagAttributeData;
import org.apache.flex.compiler.mxml.IMXMLTagData;
import org.apache.flex.compiler.tree.as.IASNode;
import org.apache.flex.compiler.tree.mxml.IMXMLModelPropertyContainerNode;
import org.apache.flex.compiler.tree.mxml.IMXMLModelPropertyNode;
import com.google.common.collect.ArrayListMultimap;
import com.google.common.collect.ListMultimap;
/**
* Implementation of the {@link IMXMLModelPropertyContainerNode} interface.
*/
abstract class MXMLModelPropertyContainerNodeBase extends MXMLNodeBase implements IMXMLModelPropertyContainerNode
{
private static final IMXMLModelPropertyNode[] NO_PROPERTY_NODES = new IMXMLModelPropertyNode[0];
/**
* Constructor
*
* @param parent The parent node of this node, or <code>null</code> if there
* is no parent.
*/
MXMLModelPropertyContainerNodeBase(NodeBase parent)
{
super(parent);
}
/**
* The short name of the tag that created this node.
*/
private String name;
/**
* The children of this node.
*/
private IMXMLModelPropertyNode[] propertyNodes = NO_PROPERTY_NODES;
/**
* The names of the properties to be set on this node. If this node has more
* than one child {@link IMXMLModelPropertyNode} with the same name, the
* property name appears only once in this list.
*/
private List<String> propertyNameList;
/**
* A map mapping a property name to the child property nodes with that name.
*/
private ListMultimap<String, IMXMLModelPropertyNode> propertyMultimap;
/**
* If this node has the same name as a sibling, then this field stores that
* it is the ith one, in attribute-then-child-tag order. If it is the only
* one, its index is NO_INDEX.
*/
private int index = NO_INDEX;
@Override
public String getName()
{
return name;
}
@Override
public int getChildCount()
{
return propertyNodes.length;
}
@Override
public IASNode getChild(int i)
{
return propertyNodes[i];
}
@Override
public IMXMLModelPropertyNode[] getPropertyNodes()
{
return propertyNodes;
}
@Override
public String[] getPropertyNames()
{
return propertyNameList != null ?
propertyNameList.toArray(new String[0]) :
new String[0];
}
@Override
public IMXMLModelPropertyNode[] getPropertyNodes(String propertyName)
{
return propertyMultimap != null ?
propertyMultimap.get(propertyName).toArray(new IMXMLModelPropertyNode[0]) :
new IMXMLModelPropertyNode[0];
}
@Override
public int getIndex()
{
return index;
}
void setIndex(int index)
{
this.index = index;
}
@Override
protected MXMLNodeInfo createNodeInfo(MXMLTreeBuilder builder)
{
return new MXMLNodeInfo(builder);
}
protected void initializeFromAttribute(MXMLTreeBuilder builder,
IMXMLTagAttributeData attribute)
{
/*
* For Model, namespaces are just ignored, so we can just use the short
* name, rather than turning this into a qname. AFAIK, this is special
* case for Model tag
*/
name = attribute.getShortName();
setLocation(attribute);
}
@Override
protected void initializeFromTag(MXMLTreeBuilder builder, IMXMLTagData tag)
{
name = tag.getShortName(); // see note in initializeFromAttribute about namespaces.
super.initializeFromTag(builder, tag);
}
@Override
protected void processTagSpecificAttribute(MXMLTreeBuilder builder, IMXMLTagData tag,
IMXMLTagAttributeData attribute,
MXMLNodeInfo info)
{
if (attribute.getPrefix() != null)
{
// TODO Report a problem because a prefix means nothing.
}
MXMLModelPropertyNode propertyNode = new MXMLModelPropertyNode(this);
propertyNode.initializeFromAttribute(builder, attribute);
info.addChildNode(propertyNode);
}
@Override
protected void processChildTag(MXMLTreeBuilder builder, IMXMLTagData tag,
IMXMLTagData childTag,
MXMLNodeInfo info)
{
if (childTag.getPrefix() != null)
{
// TODO Report a problem because a prefix means nothing.
}
MXMLModelPropertyNode propertyNode = new MXMLModelPropertyNode(this);
propertyNode.initializeFromTag(builder, childTag);
info.addChildNode(propertyNode);
}
void setPropertyNodes(IMXMLModelPropertyNode[] propertyNodes)
{
this.propertyNodes = propertyNodes;
for (IMXMLModelPropertyNode propertyNode : propertyNodes)
{
String propertyName = propertyNode.getName();
if (propertyMultimap == null)
propertyMultimap = ArrayListMultimap.create();
if (propertyNameList == null)
propertyNameList = new ArrayList<String>();
int n = propertyMultimap.get(propertyName).size();
if (n == 0)
propertyNameList.add(propertyName);
propertyMultimap.put(propertyName, propertyNode);
}
if (propertyNameList != null)
{
for (String propertyName : propertyNameList)
{
List<IMXMLModelPropertyNode> list = propertyMultimap.get(propertyName);
if (list.size() > 1)
{
int i = 0;
for (IMXMLModelPropertyNode node : list)
{
((MXMLModelPropertyNode)node).setIndex(i++);
}
}
}
}
}
/**
* For debugging only. Builds a string such as
* <code>"spark.components.Button" id="b1"</code> from the qualified name of
* the class reference for the node and its id, if present.
*/
@Override
protected boolean buildInnerString(StringBuilder sb)
{
sb.append('"');
sb.append(getName());
sb.append('"');
int index = getIndex();
if (index != NO_INDEX)
{
sb.append(' ');
sb.append('[');
sb.append(index);
sb.append(']');
}
return true;
}
}