/*
* Copyright (c) 1998, 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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package jdk.javadoc.internal.doclets.formats.html;
import java.io.*;
import java.util.*;
import java.util.zip.*;
import javax.lang.model.element.Element;
import javax.lang.model.element.ExecutableElement;
import javax.lang.model.element.ModuleElement;
import javax.lang.model.element.PackageElement;
import javax.lang.model.element.TypeElement;
import javax.lang.model.util.SimpleElementVisitor9;
import com.sun.source.doctree.DocTree;
import jdk.javadoc.internal.doclets.formats.html.markup.HtmlConstants;
import jdk.javadoc.internal.doclets.formats.html.markup.HtmlStyle;
import jdk.javadoc.internal.doclets.formats.html.markup.HtmlTag;
import jdk.javadoc.internal.doclets.formats.html.markup.HtmlTree;
import jdk.javadoc.internal.doclets.formats.html.markup.StringContent;
import jdk.javadoc.internal.doclets.toolkit.Content;
import jdk.javadoc.internal.doclets.toolkit.util.DocFile;
import jdk.javadoc.internal.doclets.toolkit.util.DocFileIOException;
import jdk.javadoc.internal.doclets.toolkit.util.DocPath;
import jdk.javadoc.internal.doclets.toolkit.util.DocPaths;
import jdk.javadoc.internal.doclets.toolkit.util.IndexBuilder;
/**
* Generate Index for all the Member Names with Indexing in
* Unicode Order. This class is a base class for {@link SingleIndexWriter} and
* {@link SplitIndexWriter}. It uses the functionality from
* {@link HtmlDocletWriter} to generate the Index Contents.
*
* <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>
*
* @see IndexBuilder
* @author Atul M Dambalkar
* @author Bhavesh Patel (Modified)
*/
public class AbstractIndexWriter extends HtmlDocletWriter {
/**
* The index of all the members with unicode character.
*/
protected IndexBuilder indexbuilder;
/**
* This constructor will be used by {@link SplitIndexWriter}. Initializes
* path to this file and relative path from this file.
*
* @param configuration The current configuration
* @param path Path to the file which is getting generated.
* @param indexbuilder Unicode based Index from {@link IndexBuilder}
*/
protected AbstractIndexWriter(ConfigurationImpl configuration,
DocPath path,
IndexBuilder indexbuilder) {
super(configuration, path);
this.indexbuilder = indexbuilder;
}
/**
* Get the index label for navigation bar.
*
* @return a content tree for the tree label
*/
@Override
protected Content getNavLinkIndex() {
Content li = HtmlTree.LI(HtmlStyle.navBarCell1Rev, contents.indexLabel);
return li;
}
/**
* Add the member information for the unicode character along with the
* list of the members.
*
* @param uc Unicode for which member list information to be generated
* @param memberlist List of members for the unicode character
* @param contentTree the content tree to which the information will be added
*/
protected void addContents(Character uc, Collection<? extends Element> memberlist,
Content contentTree) {
addHeading(uc, contentTree);
// Display the list only if there are elements to be displayed.
if (!memberlist.isEmpty()) {
Content dl = new HtmlTree(HtmlTag.DL);
for (Element element : memberlist) {
addDescription(dl, element);
}
contentTree.addContent(dl);
}
}
protected void addSearchContents(Character uc, List<SearchIndexItem> searchList,
Content contentTree) {
addHeading(uc, contentTree);
// Display the list only if there are elements to be displayed.
if (!searchList.isEmpty()) {
Content dl = new HtmlTree(HtmlTag.DL);
for (SearchIndexItem sii : searchList) {
addDescription(sii, dl);
}
contentTree.addContent(dl);
}
}
protected void addContents(Character uc, List<? extends Element> memberlist,
List<SearchIndexItem> searchList, Content contentTree) {
addHeading(uc, contentTree);
int memberListSize = memberlist.size();
int searchListSize = searchList.size();
int i = 0;
int j = 0;
Content dl = new HtmlTree(HtmlTag.DL);
while (i < memberListSize && j < searchListSize) {
String name = utils.getSimpleName(memberlist.get(i));
if (name.compareTo(searchList.get(j).getLabel()) < 0) {
addDescription(dl, memberlist.get(i));
i++;
} else if (name.compareTo(searchList.get(j).getLabel()) > 0) {
addDescription(searchList.get(j), dl);
j++;
} else {
addDescription(dl, memberlist.get(i));
addDescription(searchList.get(j), dl);
j++;
i++;
}
}
if (i >= memberListSize) {
while (j < searchListSize) {
addDescription(searchList.get(j), dl);
j++;
}
}
if (j >= searchListSize) {
while (i < memberListSize) {
addDescription(dl, memberlist.get(i));
i++;
}
}
contentTree.addContent(dl);
}
protected void addHeading(Character uc, Content contentTree) {
String unicode = uc.toString();
contentTree.addContent(getMarkerAnchorForIndex(unicode));
Content headContent = new StringContent(unicode);
Content heading = HtmlTree.HEADING(HtmlConstants.CONTENT_HEADING, false,
HtmlStyle.title, headContent);
contentTree.addContent(heading);
}
protected void addDescription(Content dl, Element element) {
SearchIndexItem si = new SearchIndexItem();
new SimpleElementVisitor9<Void, Void>() {
@Override
public Void visitModule(ModuleElement e, Void p) {
if (configuration.showModules) {
addDescription(e, dl, si);
configuration.moduleSearchIndex.add(si);
}
return null;
}
@Override
public Void visitPackage(PackageElement e, Void p) {
addDescription(e, dl, si);
configuration.packageSearchIndex.add(si);
return null;
}
@Override
public Void visitType(TypeElement e, Void p) {
addDescription(e, dl, si);
configuration.typeSearchIndex.add(si);
return null;
}
@Override
protected Void defaultAction(Element e, Void p) {
addDescription(e, dl, si);
configuration.memberSearchIndex.add(si);
return null;
}
}.visit(element);
}
/**
* Add one line summary comment for the module.
*
* @param mdle the module to be documented
* @param dlTree the content tree to which the description will be added
*/
protected void addDescription(ModuleElement mdle, Content dlTree, SearchIndexItem si) {
String moduleName = utils.getSimpleName(mdle);
Content link = getModuleLink(mdle, new StringContent(moduleName));
si.setLabel(moduleName);
si.setCategory(resources.getText("doclet.Modules"));
Content dt = HtmlTree.DT(link);
dt.addContent(" - ");
dt.addContent(contents.module_);
dt.addContent(" " + moduleName);
dlTree.addContent(dt);
Content dd = new HtmlTree(HtmlTag.DD);
addSummaryComment(mdle, dd);
dlTree.addContent(dd);
}
/**
* Add one line summary comment for the package.
*
* @param pkg the package to be documented
* @param dlTree the content tree to which the description will be added
* @param si the search index item to be updated
*/
protected void addDescription(PackageElement pkg, Content dlTree, SearchIndexItem si) {
Content link = getPackageLink(pkg, new StringContent(utils.getPackageName(pkg)));
if (configuration.showModules) {
si.setContainingModule(utils.getSimpleName(utils.containingModule(pkg)));
}
si.setLabel(utils.getPackageName(pkg));
si.setCategory(resources.getText("doclet.Packages"));
Content dt = HtmlTree.DT(link);
dt.addContent(" - ");
dt.addContent(contents.package_);
dt.addContent(" " + utils.getPackageName(pkg));
dlTree.addContent(dt);
Content dd = new HtmlTree(HtmlTag.DD);
addSummaryComment(pkg, dd);
dlTree.addContent(dd);
}
/**
* Add one line summary comment for the class.
*
* @param typeElement the class being documented
* @param dlTree the content tree to which the description will be added
* @param si the search index item to be updated
*/
protected void addDescription(TypeElement typeElement, Content dlTree, SearchIndexItem si) {
Content link = getLink(new LinkInfoImpl(configuration,
LinkInfoImpl.Kind.INDEX, typeElement).strong(true));
si.setContainingPackage(utils.getPackageName(utils.containingPackage(typeElement)));
si.setLabel(utils.getSimpleName(typeElement));
si.setCategory(resources.getText("doclet.Types"));
Content dt = HtmlTree.DT(link);
dt.addContent(" - ");
addClassInfo(typeElement, dt);
dlTree.addContent(dt);
Content dd = new HtmlTree(HtmlTag.DD);
addComment(typeElement, dd);
dlTree.addContent(dd);
}
/**
* Add the classkind (class, interface, exception), error of the class
* passed.
*
* @param te the class being documented
* @param contentTree the content tree to which the class info will be added
*/
protected void addClassInfo(TypeElement te, Content contentTree) {
contentTree.addContent(contents.getContent("doclet.in",
utils.getTypeElementName(te, false),
getPackageLink(utils.containingPackage(te),
utils.getPackageName(utils.containingPackage(te)))
));
}
/**
* Add description for Class, Field, Method or Constructor.
*
* @param member the member of the Class Kind
* @param dlTree the content tree to which the description will be added
* @param si search index item
*/
protected void addDescription(Element member, Content dlTree, SearchIndexItem si) {
si.setContainingPackage(utils.getPackageName(utils.containingPackage(member)));
si.setContainingClass(utils.getSimpleName(utils.getEnclosingTypeElement(member)));
String name = utils.getSimpleName(member);
if (utils.isExecutableElement(member)) {
ExecutableElement ee = (ExecutableElement)member;
name = name + utils.flatSignature(ee);
si.setLabel(name);
if (!((utils.signature(ee)).equals(utils.flatSignature(ee)))) {
si.setUrl(getName(getAnchor(ee)));
}
} else {
si.setLabel(name);
}
si.setCategory(resources.getText("doclet.Members"));
Content span = HtmlTree.SPAN(HtmlStyle.memberNameLink,
getDocLink(LinkInfoImpl.Kind.INDEX, member, name));
Content dt = HtmlTree.DT(span);
dt.addContent(" - ");
addMemberDesc(member, dt);
dlTree.addContent(dt);
Content dd = new HtmlTree(HtmlTag.DD);
addComment(member, dd);
dlTree.addContent(dd);
}
protected void addDescription(SearchIndexItem sii, Content dlTree) {
String siiPath = pathToRoot.isEmpty() ? "" : pathToRoot.getPath() + "/";
siiPath += sii.getUrl();
HtmlTree labelLink = HtmlTree.A(siiPath, new StringContent(sii.getLabel()));
Content dt = HtmlTree.DT(HtmlTree.SPAN(HtmlStyle.searchTagLink, labelLink));
dt.addContent(" - ");
dt.addContent(contents.getContent("doclet.Search_tag_in", sii.getHolder()));
dlTree.addContent(dt);
Content dd = new HtmlTree(HtmlTag.DD);
if (sii.getDescription().isEmpty()) {
dd.addContent(Contents.SPACE);
} else {
dd.addContent(sii.getDescription());
}
dlTree.addContent(dd);
}
/**
* Add comment for each element in the index. If the element is deprecated
* and it has a @deprecated tag, use that comment. Else if the containing
* class for this element is deprecated, then add the word "Deprecated." at
* the start and then print the normal comment.
*
* @param element Index element
* @param contentTree the content tree to which the comment will be added
*/
protected void addComment(Element element, Content contentTree) {
List<? extends DocTree> tags;
Content span = HtmlTree.SPAN(HtmlStyle.deprecatedLabel, contents.deprecatedPhrase);
HtmlTree div = new HtmlTree(HtmlTag.DIV);
div.addStyle(HtmlStyle.block);
if (utils.isDeprecated(element)) {
div.addContent(span);
tags = utils.getBlockTags(element, DocTree.Kind.DEPRECATED);
if (!tags.isEmpty())
addInlineDeprecatedComment(element, tags.get(0), div);
contentTree.addContent(div);
} else {
TypeElement encl = utils.getEnclosingTypeElement(element);
while (encl != null) {
if (utils.isDeprecated(encl)) {
div.addContent(span);
contentTree.addContent(div);
break;
}
encl = utils.getEnclosingTypeElement(encl);
}
addSummaryComment(element, contentTree);
}
}
/**
* Add description about the Static Variable/Method/Constructor for a
* member.
*
* @param member MemberDoc for the member within the Class Kind
* @param contentTree the content tree to which the member description will be added
*/
protected void addMemberDesc(Element member, Content contentTree) {
TypeElement containing = utils.getEnclosingTypeElement(member);
String classdesc = utils.getTypeElementName(containing, true) + " ";
if (utils.isField(member)) {
Content resource = contents.getContent(utils.isStatic(member)
? "doclet.Static_variable_in"
: "doclet.Variable_in", classdesc);
contentTree.addContent(resource);
} else if (utils.isConstructor(member)) {
contentTree.addContent(
contents.getContent("doclet.Constructor_for", classdesc));
} else if (utils.isMethod(member)) {
Content resource = contents.getContent(utils.isStatic(member)
? "doclet.Static_method_in"
: "doclet.Method_in", classdesc);
contentTree.addContent(resource);
}
addPreQualifiedClassLink(LinkInfoImpl.Kind.INDEX, containing,
false, contentTree);
}
/**
* Get the marker anchor which will be added to the index documentation tree.
*
* @param anchorNameForIndex the anchor name attribute for index page
* @return a content tree for the marker anchor
*/
public Content getMarkerAnchorForIndex(String anchorNameForIndex) {
return getMarkerAnchor(getNameForIndex(anchorNameForIndex), null);
}
/**
* Generate a valid HTML name for member index page.
*
* @param unicode the string that needs to be converted to valid HTML name.
* @return a valid HTML name string.
*/
public String getNameForIndex(String unicode) {
return "I:" + getName(unicode);
}
/**
* @throws DocFileIOException if there is a problem creating any of the search index files
*/
protected void createSearchIndexFiles() throws DocFileIOException {
if (configuration.showModules) {
createSearchIndexFile(DocPaths.MODULE_SEARCH_INDEX_JSON, DocPaths.MODULE_SEARCH_INDEX_ZIP,
configuration.moduleSearchIndex);
}
createSearchIndexFile(DocPaths.PACKAGE_SEARCH_INDEX_JSON, DocPaths.PACKAGE_SEARCH_INDEX_ZIP,
configuration.packageSearchIndex);
createSearchIndexFile(DocPaths.TYPE_SEARCH_INDEX_JSON, DocPaths.TYPE_SEARCH_INDEX_ZIP,
configuration.typeSearchIndex);
createSearchIndexFile(DocPaths.MEMBER_SEARCH_INDEX_JSON, DocPaths.MEMBER_SEARCH_INDEX_ZIP,
configuration.memberSearchIndex);
createSearchIndexFile(DocPaths.TAG_SEARCH_INDEX_JSON, DocPaths.TAG_SEARCH_INDEX_ZIP,
configuration.tagSearchIndex);
}
/**
* @throws DocFileIOException if there is a problem creating the search index file
*/
protected void createSearchIndexFile(DocPath searchIndexFile, DocPath searchIndexZip,
List<SearchIndexItem> searchIndex) throws DocFileIOException {
if (!searchIndex.isEmpty()) {
StringBuilder searchVar = new StringBuilder("[");
boolean first = true;
for (SearchIndexItem item : searchIndex) {
if (first) {
searchVar.append(item.toString());
first = false;
} else {
searchVar.append(",").append(item.toString());
}
}
searchVar.append("]");
DocFile zipFile = DocFile.createFileForOutput(configuration, searchIndexZip);
try (OutputStream fos = zipFile.openOutputStream();
ZipOutputStream zos = new ZipOutputStream(fos)) {
try {
ZipEntry ze = new ZipEntry(searchIndexFile.getPath());
zos.putNextEntry(ze);
zos.write(searchVar.toString().getBytes());
} finally {
zos.closeEntry();
}
} catch (IOException ie) {
throw new DocFileIOException(zipFile, DocFileIOException.Mode.WRITE, ie);
}
}
}
}