| /* |
| * |
| * 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.tree.mxml; |
| |
| import java.io.StringWriter; |
| |
| import org.apache.royale.compiler.constants.IASLanguageConstants; |
| import org.apache.royale.compiler.definitions.IClassDefinition; |
| import org.apache.royale.compiler.internal.projects.RoyaleProject; |
| import org.apache.royale.compiler.internal.scopes.ASProjectScope; |
| import org.apache.royale.compiler.internal.tree.as.NodeBase; |
| import org.apache.royale.compiler.mxml.IMXMLTagAttributeData; |
| import org.apache.royale.compiler.mxml.IMXMLTagData; |
| import org.apache.royale.compiler.problems.ICompilerProblem; |
| import org.apache.royale.compiler.problems.MXMLDualContentProblem; |
| import org.apache.royale.compiler.problems.MXMLUnknownXMLFormatProblem; |
| import org.apache.royale.compiler.problems.MXMLXMLOnlyOneRootTagProblem; |
| import org.apache.royale.compiler.projects.ICompilerProject; |
| import org.apache.royale.compiler.tree.ASTNodeID; |
| import org.apache.royale.compiler.tree.mxml.IMXMLNode; |
| import org.apache.royale.compiler.tree.mxml.IMXMLXMLNode; |
| |
| import static org.apache.royale.compiler.mxml.IMXMLLanguageConstants.*; |
| |
| /** |
| * Implementation of the {@code IMXMLXMLNode} interface. |
| */ |
| class MXMLXMLNode extends MXMLInstanceNode implements IMXMLXMLNode |
| { |
| /** |
| * Constructor |
| * |
| * @param parent The parent node of this node, or <code>null</code> if there |
| * is no parent. |
| */ |
| MXMLXMLNode(NodeBase parent) |
| { |
| super(parent); |
| } |
| |
| private IMXMLTagData rootTag; |
| |
| private XML_TYPE xmlType = XML_TYPE.E4X; |
| |
| // did we see more than one child tag? |
| boolean multipleTags = false; |
| |
| private String xmlString; |
| |
| @Override |
| public ASTNodeID getNodeID() |
| { |
| return ASTNodeID.MXMLXMLID; |
| } |
| |
| @Override |
| public String getName() |
| { |
| return IASLanguageConstants.XML; |
| } |
| |
| /** |
| * What type of xml object should this node create. |
| */ |
| @Override |
| public XML_TYPE getXMLType() |
| { |
| return xmlType; |
| } |
| |
| @Override |
| protected void processTagSpecificAttribute(MXMLTreeBuilder builder, IMXMLTagData tag, |
| IMXMLTagAttributeData attribute, |
| MXMLNodeInfo info) |
| { |
| if (attribute.isSpecialAttribute(ATTRIBUTE_SOURCE)) |
| { |
| // Resolve the attribute value to a normalized path. |
| // Doing so makes this compilation unit dependent on that file. |
| String sourcePath = resolveSourceAttributePath(builder, attribute, info); |
| if (sourcePath != null) |
| xmlString = builder.readExternalFile(attribute, sourcePath); |
| } |
| else if (attribute.isSpecialAttribute(ATTRIBUTE_FORMAT)) |
| { |
| String attrValue = attribute.getRawValue().toLowerCase(); |
| |
| if (attrValue.equals(FORMAT_E4X)) |
| { |
| xmlType = XML_TYPE.E4X; |
| } |
| else if (attrValue.equals(FORMAT_XML)) |
| { |
| xmlType = XML_TYPE.OLDXML; |
| } |
| else |
| { |
| // Unlike Flex 4.5, we report a problem if the format |
| // is anything other than "e4x" or "xml". |
| ICompilerProblem problem = new MXMLUnknownXMLFormatProblem(attribute); |
| builder.addProblem(problem); |
| |
| // But like Flex 4.5, we default to "xml" |
| // if neither is specified. |
| xmlType = XML_TYPE.OLDXML; |
| } |
| } |
| else |
| { |
| super.processTagSpecificAttribute(builder, tag, attribute, info); |
| } |
| } |
| |
| @Override |
| protected void processChildTag(MXMLTreeBuilder builder, IMXMLTagData tag, |
| IMXMLTagData childTag, MXMLNodeInfo info) |
| { |
| info.hasDualContent = true; |
| |
| if (rootTag == null) |
| rootTag = childTag; |
| else |
| multipleTags = true; |
| } |
| |
| @Override |
| public IClassDefinition getClassReference(ICompilerProject project) |
| { |
| if (xmlType == XML_TYPE.OLDXML) |
| { |
| ASProjectScope projectScope = (ASProjectScope)project.getScope(); |
| return (IClassDefinition)projectScope.findDefinitionByName(XML_NODE_NAME); |
| } |
| |
| return super.getClassReference(project); |
| } |
| |
| /** |
| * This method gives subclasses a chance to do final processing after |
| * considering each attribute and content unit. |
| * <p> |
| * The base class version calls <code>adjustOffset</code> to translate the |
| * node start and end offset from local to absolute offsets. |
| */ |
| @Override |
| protected void initializationComplete(MXMLTreeBuilder builder, |
| IMXMLTagData tag, |
| MXMLNodeInfo info) |
| { |
| super.initializationComplete(builder, tag, info); |
| |
| if (info.hasSourceAttribute && info.hasDualContent) |
| { |
| ICompilerProblem problem = new MXMLDualContentProblem(tag, tag.getShortName()); |
| builder.addProblem(problem); |
| return; |
| } |
| |
| if (multipleTags) |
| builder.addProblem(new MXMLXMLOnlyOneRootTagProblem(tag)); |
| |
| //if (rootTag == null && !tag.isEmptyTag()) |
| // builder.addProblem(new MXMLXMLRequireContentProblem(tag)); |
| |
| analyzeXML(builder); |
| |
| // don't pin the MXMLTagDatas |
| rootTag = null; |
| |
| // An old-style <XML> tag introduces a dependency on mx.utils.XMLUtils. |
| if (xmlType == XML_TYPE.OLDXML) |
| { |
| RoyaleProject project = builder.getProject(); |
| builder.addExpressionDependency(project.getXMLUtilClass()); |
| } |
| } |
| |
| /** |
| * Gets the XML that this node represents as a string. This will trim out |
| * all the bindable parts, as those parts will be set programmatically when |
| * their bindings fire. |
| * |
| * @return A String representation of the XML object |
| */ |
| @Override |
| public String getXMLString() |
| { |
| return xmlString; |
| } |
| |
| /** |
| * Walk the XML children of this node, and grab all the goodies we need. 1. |
| * Grabs a String representation of the XML. 2. Will record all databinding |
| * expressions, and the target expressions. |
| */ |
| private void analyzeXML(MXMLTreeBuilder builder) |
| { |
| if (rootTag != null) |
| { |
| StringWriter writer = new StringWriter(); |
| XMLBuilder xmlBuilder = new XMLBuilder( |
| this, rootTag, rootTag.getCompositePrefixMap(), builder); |
| xmlBuilder.processNode(rootTag, writer); |
| |
| setChildren(xmlBuilder.getDatabindings().toArray(new IMXMLNode[] {})); |
| |
| xmlString = writer.toString(); |
| } |
| } |
| } |