| /* |
| * |
| * 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.units; |
| |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.Set; |
| |
| import org.apache.royale.compiler.common.IEmbedResolver; |
| import org.apache.royale.compiler.common.ISourceLocation; |
| import org.apache.royale.compiler.definitions.metadata.IMetaTagAttribute; |
| import org.apache.royale.compiler.internal.embedding.EmbedData; |
| import org.apache.royale.compiler.internal.projects.CompilerProject; |
| import org.apache.royale.compiler.internal.workspaces.Workspace; |
| import org.apache.royale.compiler.problems.ICompilerProblem; |
| import org.apache.royale.compiler.projects.ICompilerProject; |
| import org.apache.royale.compiler.tree.as.IFileNodeAccumulator; |
| |
| /** |
| * Factory class to create EmbedCompilationUnits from EmbedData. This factory |
| * will handle reusing EmbedCompilationUnits when the attributes are equivalent. |
| */ |
| public class EmbedCompilationUnitFactory |
| { |
| /** |
| * Return an EmbedCompilationUnit based on information from the EmbedData. |
| * The EmbedCompilationUnit will be reused if the EmbedData's are equivalent. |
| * |
| * @param project Project to resolve against |
| * @param containingSourceFilename Filename from which the embed meta data comes from |
| * @param location Location from which the embed meta data comes from |
| * @param attributes Array of IMetaTagAttribute |
| * @param problems Any problems with the attributes |
| * @return an EmbedCompilationUnit |
| */ |
| public static EmbedCompilationUnit getCompilationUnit(CompilerProject project, String containingSourceFilename, ISourceLocation location, IMetaTagAttribute[] attributes, Collection<ICompilerProblem> problems) throws InterruptedException |
| { |
| Workspace workspace = project.getWorkspace(); |
| workspace.embedLock.writeLock().lock(); |
| try |
| { |
| // there was a problem parsing the embed meta data, so just bomb out |
| // rather than creating a compilation unit |
| EmbedData data = getEmbedData(project, null, containingSourceFilename, location, attributes, problems); |
| if (data == null) |
| return null; |
| |
| // Check to see if there is an existing compilation unit in this project |
| // which can be re-used. |
| EmbedCompilationUnit embedCompilationUnit = project.getCompilationUnit(data); |
| if (embedCompilationUnit != null) |
| { |
| return embedCompilationUnit; |
| } |
| |
| // ensure that the EmbedData that's been passed in has already been |
| // canonicalized, if not there's an EmbedData reuse bug somewhere. |
| assert (data == project.getWorkspace().getCanonicalEmbedData(data)) : "EmbedData has not been canonicalized"; |
| |
| embedCompilationUnit = new EmbedCompilationUnit(project, data); |
| project.addEmbedCompilationUnit(embedCompilationUnit); |
| return embedCompilationUnit; |
| } |
| finally |
| { |
| workspace.embedLock.writeLock().unlock(); |
| } |
| } |
| |
| /** |
| * Return an EmbedData based on information from the meta data attributes. |
| * The EmbedData will be reused if the attributes are equivalent. |
| * |
| * @param project Project to resolve against |
| * @param specifiedQName a user defined qname for the generated class. may be null. |
| * @param containingSourceFilename Filename from which the embed meta data comes from |
| * @param location Location from which the embed meta data comes from |
| * @param attributes Array of IMetaTagAttribute |
| * @param problems Any problems with the attributes |
| * @return an EmbedData |
| */ |
| public static EmbedData getEmbedData(CompilerProject project, String specifiedQName, String containingSourceFilename, ISourceLocation location, IMetaTagAttribute[] attributes, Collection<ICompilerProblem> problems) |
| { |
| EmbedData data = new EmbedData(containingSourceFilename, specifiedQName); |
| |
| boolean hadError = false; |
| for (IMetaTagAttribute attribute : attributes) |
| { |
| String key = attribute.getKey(); |
| String value = attribute.getValue(); |
| if (data.addAttribute(project, location, key, value, problems)) |
| { |
| hadError = true; |
| } |
| } |
| |
| if (hadError || !data.createTranscoder(project, location, problems)) |
| return null; |
| |
| // get the canonical EmbedData, as there may already be an equivalent |
| // embed data sitting in the workspace |
| return project.getWorkspace().getCanonicalEmbedData(data); |
| } |
| |
| /** |
| * Collect any embed datas in the file |
| * |
| * @param project Project to resolve against |
| * @param fileNode FileNode to find embed nodes in |
| * @param embeds Set of EmbedDatas to populate |
| * @param problems Any problems with the attributes |
| */ |
| public static void collectEmbedDatas(ICompilerProject project, IFileNodeAccumulator fileNode, Set<EmbedData> embeds, Collection<ICompilerProblem> problems) throws InterruptedException |
| { |
| List<IEmbedResolver> embedNodes = fileNode.getEmbedNodes(); |
| for (IEmbedResolver embedNode : embedNodes) |
| { |
| EmbedCompilationUnit cu = (EmbedCompilationUnit)embedNode.resolveCompilationUnit(project); |
| if (cu != null) |
| { |
| embeds.add(cu.getEmbedData()); |
| } |
| } |
| } |
| } |