/*
*
* 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.codegen.databinding;
import java.util.Collection;
import org.apache.flex.compiler.internal.as.codegen.MXMLClassDirectiveProcessor;
import org.apache.flex.compiler.internal.scopes.ASScope;
import org.apache.flex.compiler.problems.ICompilerProblem;
import org.apache.flex.compiler.scopes.IASScope;
import org.apache.flex.compiler.tree.as.IScopedNode;
import org.apache.flex.compiler.tree.mxml.IMXMLBindingNode;
import org.apache.flex.compiler.tree.mxml.IMXMLDataBindingNode;
import org.apache.flex.compiler.tree.mxml.IMXMLNode;
/**
* Does an analysis of a single binding expressions.
* Will update the BindingDataBase with BindingInfo objects that
* represent mx.internal.binding.Binding objects that will be generated.
*/
public class BindingAnalyzer
{
/**
* Analyze an IMXMLDataBindingNode (the ones we see when
* there are curly braces)
* BindingInfo ctor does all the work.
*
* @param problems - if analysis finds problems they are reported here
* @param bindingDataBase - results of analysis are stored here
* @param node - the node that is being analyzed
*/
public static BindingInfo analyze(
IMXMLDataBindingNode node,
BindingDatabase bindingDataBase,
Collection<ICompilerProblem> problems,
int bindingIndex,
MXMLClassDirectiveProcessor host)
{
BindingInfo info = new BindingInfo(node, bindingIndex, host);
bindingDataBase.getBindingInfo().add(info);
saveScope(node, bindingDataBase);
return info;
}
private static void saveScope(IMXMLNode node, BindingDatabase bindingDataBase)
{
// Later (for code gen), we will need a scope, so let's save it here.
IScopedNode scopedNode = node.getContainingScope();
IASScope iscope = scopedNode.getScope();
ASScope scope = (ASScope)iscope;
bindingDataBase.setScope(scope);
}
/**
* BindingInfo ctor does all the work.
*
* Analyzes an IMXMLBindingNode (the ones we see from Binding tags, and
* inside of fx:XML tags, at the moment)
*
* @param problems - if analysis finds problems they are reported here
* @param bindingDataBase - results of analysis are stored here
* @param node - the node that is being analyzed
* @param reverseSourceAndDest - if true, treat the binding source as the destination, and vice versa
*/
public static BindingInfo analyze(
IMXMLBindingNode node,
BindingDatabase bindingDataBase,
Collection<ICompilerProblem> problems,
int bindingIndex,
boolean reverseSourceAndDest,
MXMLClassDirectiveProcessor host)
{
BindingInfo info = new BindingInfo(node, bindingIndex, host, reverseSourceAndDest);
bindingDataBase.getBindingInfo().add(info);
saveScope(node, bindingDataBase);
return info;
}
}