| /* |
| * |
| * 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.definitions; |
| |
| import org.apache.royale.compiler.constants.IASKeywordConstants; |
| import org.apache.royale.compiler.definitions.IPackageDefinition; |
| import org.apache.royale.compiler.tree.as.IPackageNode; |
| |
| /** |
| * This is the abstract base class for definitions in the symbol table that |
| * represent packages. |
| * <p> |
| * An instance of this class can represent a top-level packages such as |
| * "flashx", an intermediate-level package such as "flashx.textLayout", or a |
| * leaf-level package such as "flashx.textLayout.elements". |
| * <p> |
| * After a package definition is in the symbol table, it should always be |
| * accessed through the read-only <code>IPackageDefinition</code> interface. |
| */ |
| public class PackageDefinition extends MemberedDefinition implements IPackageDefinition |
| { |
| private static final String STAR = "*"; |
| |
| private static final String DOT_STAR = ".*"; |
| |
| /** |
| * Given an MXML namespace URI, this method returns the corresponding |
| * package name, or <code>null</code> if the URI doesn't have the form of a |
| * package URI. |
| * <p> |
| * For example, the namespace <code>attribute xmlns:my="*"</code> |
| * corrresponds to the package name <code>""</code>, the attribute |
| * <code>xmlns:fd="flash.display.*"</code> corresponds to the package name |
| * <code>"flash.display"</code>, and the attribute |
| * <code>xmlns:s="library://ns.adobe.com/flex/spark"</code> does not |
| * correspond to any package. |
| * |
| * @param uri An MXML namespace URI. |
| * @return A qualified package name, or <code>null</code>. |
| */ |
| public static String getQualifiedPackageNameFromNamespaceURI(String uri) |
| { |
| String packageName = null; |
| |
| if (uri.equals(STAR)) |
| { |
| packageName = ""; |
| } |
| else if (uri.endsWith(DOT_STAR)) |
| { |
| // Strip off the ".*". |
| packageName = uri.substring(0, uri.length() - DOT_STAR.length()); |
| } |
| |
| return packageName; |
| } |
| |
| /** |
| * Constructor. |
| * |
| * @param packageName The fully-qualified name of the package, |
| * such as <code>"flash.display"</code>. |
| */ |
| public PackageDefinition(String packageName) |
| { |
| // Unlike most definitions, which store an undotted name |
| // in the 'storageName' field, a PackageDefinition stores |
| // its dotted qualified name (e.g. "flash.display"). |
| // For a package, the package name is considered to be |
| // both the base name and qualified name. |
| super(packageName); |
| |
| setNamespaceReference(NamespaceDefinition.getCodeModelImplicitDefinitionNamespace()); |
| } |
| |
| private PackageKind packageKind = PackageKind.CONCRETE; |
| |
| @Override |
| public PackageKind getPackageKind() |
| { |
| return packageKind; |
| } |
| |
| public void setVirtual() |
| { |
| packageKind = PackageKind.VIRTUAL; |
| } |
| |
| @Override |
| protected String toStorageName(String name) |
| { |
| return name; |
| } |
| |
| @Override |
| public String getBaseName() |
| { |
| // A package name like "flash.display", which is stored in the |
| // 'storageName' field, is considered to be both the base name |
| // and the qualified name of a PackageDefinition. |
| return getStorageName(); |
| } |
| |
| @Override |
| public String getQualifiedName() |
| { |
| // A package name like "flash.display", which is stored in the |
| // 'storageName' field, is considered to be both the base name |
| // and the qualified name of a PackageDefinition. |
| return getStorageName(); |
| } |
| |
| @Override |
| public IPackageNode getNode() |
| { |
| return (IPackageNode)super.getNode(); |
| } |
| |
| /** |
| * Used only for debugging, as part of {@link #toString()}. |
| */ |
| @Override |
| protected void buildInnerString(StringBuilder sb) |
| { |
| String name = getQualifiedName(); |
| |
| sb.append(IASKeywordConstants.PACKAGE); |
| sb.append(' '); |
| sb.append(name.length() > 0 ? name : "\"\""); |
| } |
| } |