/*
* Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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/**
* A utility class.
*
* <p><b>This is NOT part of any supported API.
* If you write code that depends on this, you do so at your own risk.
* This code and its internal interfaces are subject to change or
* deletion without notice.</b>
*/
package jdk.javadoc.internal.doclets.toolkit;
import com.sun.source.doctree.DocCommentTree;
import com.sun.source.doctree.DocTree;
import com.sun.source.doctree.IdentifierTree;
import com.sun.source.doctree.ReferenceTree;
import com.sun.source.doctree.TextTree;
import com.sun.source.util.DocTreeFactory;
import com.sun.source.util.DocTreePath;
import com.sun.source.util.DocTrees;
import com.sun.source.util.TreePath;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import javax.lang.model.element.Element;
import javax.lang.model.element.ElementKind;
import javax.lang.model.element.ExecutableElement;
import javax.lang.model.element.Name;
import javax.lang.model.element.PackageElement;
import javax.lang.model.element.VariableElement;
import javax.lang.model.util.Elements;
import javax.tools.FileObject;
import jdk.javadoc.internal.doclets.toolkit.util.Utils;
public class CommentUtils {
final Configuration configuration;
final DocTreeFactory treeFactory;
final HashMap<Element, DocCommentDuo> dcTreesMap = new HashMap<>();
final DocTrees trees;
final Elements elementUtils;
protected CommentUtils(Configuration configuration) {
this.configuration = configuration;
trees = configuration.docEnv.getDocTrees();
treeFactory = trees.getDocTreeFactory();
elementUtils = configuration.docEnv.getElementUtils();
}
public List<? extends DocTree> makePropertyDescriptionTree(List<? extends DocTree> content) {
List<DocTree> out = new ArrayList<>();
Name name = elementUtils.getName("propertyDescription");
out.add(treeFactory.newUnknownBlockTagTree(name, content));
return out;
}
public List<? extends DocTree> makePropertyDescriptionTree(String content) {
List<DocTree> inlist = new ArrayList<>();
inlist.add(treeFactory.newCommentTree(content));
List<DocTree> out = new ArrayList<>();
Name name = elementUtils.getName("propertyDescription");
out.add(treeFactory.newUnknownBlockTagTree(name, inlist));
return out;
}
public List<? extends DocTree> makeFirstSentenceTree(String content) {
List<DocTree> out = new ArrayList<>();
out.add(treeFactory.newTextTree(content));
return out;
}
public DocTree makeSeeTree(String sig, Element e) {
List<DocTree> list = new ArrayList<>();
list.add(treeFactory.newReferenceTree(sig));
return treeFactory.newSeeTree(list);
}
public DocTree makeTextTree(String content) {
TextTree text = treeFactory.newTextTree(content);
return (DocTree) text;
}
public void setEnumValuesTree(Configuration config, Element e) {
Utils utils = config.utils;
String klassName = utils.getSimpleName(utils.getEnclosingTypeElement(e));
List<DocTree> fullBody = new ArrayList<>();
fullBody.add(treeFactory.newTextTree(config.getText("doclet.enum_values_doc.fullbody", klassName)));
List<DocTree> descriptions = new ArrayList<>();
descriptions.add(treeFactory.newTextTree(config.getText("doclet.enum_values_doc.return")));
List<DocTree> tags = new ArrayList<>();
tags.add(treeFactory.newReturnTree(descriptions));
DocCommentTree docTree = treeFactory.newDocCommentTree(fullBody, tags);
dcTreesMap.put(e, new DocCommentDuo(null, docTree));
}
public void setEnumValueOfTree(Configuration config, Element e) {
List<DocTree> fullBody = new ArrayList<>();
fullBody.add(treeFactory.newTextTree(config.getText("doclet.enum_valueof_doc.fullbody")));
List<DocTree> tags = new ArrayList<>();
List<DocTree> paramDescs = new ArrayList<>();
paramDescs.add(treeFactory.newTextTree(config.getText("doclet.enum_valueof_doc.param_name")));
ExecutableElement ee = (ExecutableElement) e;
java.util.List<? extends VariableElement> parameters = ee.getParameters();
VariableElement param = parameters.get(0);
IdentifierTree id = treeFactory.newIdentifierTree(elementUtils.getName(param.getSimpleName().toString()));
tags.add(treeFactory.newParamTree(false, id, paramDescs));
List<DocTree> returnDescs = new ArrayList<>();
returnDescs.add(treeFactory.newTextTree(config.getText("doclet.enum_valueof_doc.return")));
tags.add(treeFactory.newReturnTree(returnDescs));
List<DocTree> throwsDescs = new ArrayList<>();
throwsDescs.add(treeFactory.newTextTree(config.getText("doclet.enum_valueof_doc.throws_ila")));
ReferenceTree ref = treeFactory.newReferenceTree("java.lang.IllegalArgumentException");
tags.add(treeFactory.newThrowsTree(ref, throwsDescs));
throwsDescs = new ArrayList<>();
throwsDescs.add(treeFactory.newTextTree(config.getText("doclet.enum_valueof_doc.throws_npe")));
ref = treeFactory.newReferenceTree("java.lang.NullPointerException");
tags.add(treeFactory.newThrowsTree(ref, throwsDescs));
DocCommentTree docTree = treeFactory.newDocCommentTree(fullBody, tags);
dcTreesMap.put(e, new DocCommentDuo(null, docTree));
}
/*
* Returns the TreePath/DocCommentTree duo for synthesized element.
*/
public DocCommentDuo getSyntheticCommentDuo(Element e) {
return dcTreesMap.get(e);
}
/*
* Returns the TreePath/DocCommentTree duo for html sources.
*/
public DocCommentDuo getHtmlCommentDuo(Element e) {
FileObject fo = null;
if (e.getKind().equals(ElementKind.OTHER)) {
fo = configuration.getOverviewPath();
} else if (e.getKind().equals(ElementKind.PACKAGE)) {
fo = configuration.workArounds.getJavaFileObject((PackageElement)e);
}
if (fo == null) {
return null;
}
DocCommentTree dcTree = trees.getDocCommentTree(fo);
if (dcTree == null) {
return null;
}
DocTreePath treePath = trees.getDocTreePath(fo);
return new DocCommentDuo(treePath.getTreePath(), dcTree);
}
public void setDocCommentTree(Element element, List<DocTree> fullBody,
List<DocTree> blockTags, Utils utils) {
DocCommentTree docTree = treeFactory.newDocCommentTree(fullBody, blockTags);
dcTreesMap.put(element, new DocCommentDuo(null, docTree));
// There maybe an entry with the original comments usually null,
// therefore remove that entry if it exists, and allow a new one
// to be reestablished.
utils.removeCommentHelper(element);
}
/**
* A simplistic container to transport a TreePath, DocCommentTree pair.
* Here is why we need this:
* a. not desirable to add javac's pair.
* b. DocTreePath is not a viable option either, as a null TreePath is required
* to represent synthetic comments for Enum.values, valuesOf, javafx properties.
*/
public static class DocCommentDuo {
public final TreePath treePath;
public final DocCommentTree dcTree;
public DocCommentDuo(TreePath treePath, DocCommentTree dcTree) {
this.treePath = treePath;
this.dcTree = dcTree;
}
}
}