1 /* 2 * Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package jdk.javadoc.internal.doclets.formats.html; 27 28 import java.util.List; 29 30 import javax.lang.model.element.Element; 31 import javax.lang.model.element.ModuleElement; 32 import javax.lang.model.element.PackageElement; 33 import javax.lang.model.element.TypeElement; 34 import javax.lang.model.element.VariableElement; 35 import javax.lang.model.type.TypeMirror; 36 import javax.lang.model.util.SimpleElementVisitor9; 37 38 import com.sun.source.doctree.DocTree; 39 import com.sun.source.doctree.IndexTree; 40 import jdk.javadoc.internal.doclets.formats.html.markup.ContentBuilder; 41 import jdk.javadoc.internal.doclets.formats.html.markup.HtmlStyle; 42 import jdk.javadoc.internal.doclets.formats.html.markup.HtmlTree; 43 import jdk.javadoc.internal.doclets.formats.html.markup.Links; 44 import jdk.javadoc.internal.doclets.formats.html.markup.RawHtml; 45 import jdk.javadoc.internal.doclets.formats.html.markup.StringContent; 46 import jdk.javadoc.internal.doclets.toolkit.BaseConfiguration; 47 import jdk.javadoc.internal.doclets.toolkit.Content; 48 import jdk.javadoc.internal.doclets.toolkit.builders.SerializedFormBuilder; 49 import jdk.javadoc.internal.doclets.toolkit.taglets.TagletWriter; 50 import jdk.javadoc.internal.doclets.toolkit.util.CommentHelper; 51 import jdk.javadoc.internal.doclets.toolkit.util.DocLink; 52 import jdk.javadoc.internal.doclets.toolkit.util.DocPath; 53 import jdk.javadoc.internal.doclets.toolkit.util.DocPaths; 54 import jdk.javadoc.internal.doclets.toolkit.util.DocletConstants; 55 import jdk.javadoc.internal.doclets.toolkit.util.Utils; 56 57 /** 58 * The taglet writer that writes HTML. 59 * 60 * <p><b>This is NOT part of any supported API. 61 * If you write code that depends on this, you do so at your own risk. 62 * This code and its internal interfaces are subject to change or 63 * deletion without notice.</b> 64 * 65 * @author Jamie Ho 66 * @author Bhavesh Patel (Modified) 67 */ 68 69 public class TagletWriterImpl extends TagletWriter { 70 71 private final HtmlDocletWriter htmlWriter; 72 private final HtmlConfiguration configuration; 73 private final Utils utils; 74 75 public TagletWriterImpl(HtmlDocletWriter htmlWriter, boolean isFirstSentence) { 76 super(isFirstSentence); 77 this.htmlWriter = htmlWriter; 78 configuration = htmlWriter.configuration; 79 this.utils = configuration.utils; 80 } 81 82 /** 83 * {@inheritDoc} 84 */ 85 public Content getOutputInstance() { 86 return new ContentBuilder(); 87 } 88 89 /** 90 * {@inheritDoc} 91 */ 92 protected Content codeTagOutput(Element element, DocTree tag) { 93 CommentHelper ch = utils.getCommentHelper(element); 94 StringContent content = new StringContent(utils.normalizeNewlines(ch.getText(tag))); 95 Content result = HtmlTree.CODE(content); 96 return result; 97 } 98 99 protected Content indexTagOutput(Element element, DocTree tag) { 100 CommentHelper ch = utils.getCommentHelper(element); 101 IndexTree itt = (IndexTree)tag; 102 103 String tagText = ch.getText(itt.getSearchTerm()); 104 if (tagText.charAt(0) == '"' && tagText.charAt(tagText.length() - 1) == '"') { 105 tagText = tagText.substring(1, tagText.length() - 1); 106 } 107 String desc = ch.getText(itt.getDescription()); 108 109 String anchorName = htmlWriter.links.getName(tagText); 110 Content result = HtmlTree.A_ID(HtmlStyle.searchTagResult, anchorName, new StringContent(tagText)); 111 if (configuration.createindex && !tagText.isEmpty()) { 112 SearchIndexItem si = new SearchIndexItem(); 113 si.setLabel(tagText); 114 si.setDescription(desc); 115 DocPaths docPaths = configuration.docPaths; 116 new SimpleElementVisitor9<Void, Void>() { 117 @Override 118 public Void visitModule(ModuleElement e, Void p) { 119 si.setUrl(docPaths.moduleSummary(e).getPath() + "#" + anchorName); 120 si.setHolder(utils.getFullyQualifiedName(element)); 121 return null; 122 } 123 124 @Override 125 public Void visitPackage(PackageElement e, Void p) { 126 si.setUrl(docPaths.forPackage(e).getPath() 127 + "/" + DocPaths.PACKAGE_SUMMARY.getPath() + "#" + anchorName); 128 si.setHolder(utils.getSimpleName(element)); 129 return null; 130 } 131 132 @Override 133 public Void visitType(TypeElement e, Void p) { 134 si.setUrl(docPaths.forClass(e).getPath() + "#" + anchorName); 135 si.setHolder(utils.getFullyQualifiedName(e)); 136 return null; 137 } 138 139 @Override 140 public Void visitVariable(VariableElement e, Void p) { 141 TypeElement te = utils.getEnclosingTypeElement(e); 142 si.setUrl(docPaths.forClass(te).getPath() + "#" + anchorName); 143 si.setHolder(utils.getFullyQualifiedName(e) + "." + utils.getSimpleName(e)); 144 return null; 145 } 146 147 @Override 148 protected Void defaultAction(Element e, Void p) { 149 TypeElement te = utils.getEnclosingTypeElement(e); 150 si.setUrl(docPaths.forClass(te).getPath() + "#" + anchorName); 151 si.setHolder(utils.getFullyQualifiedName(e)); 152 return null; 153 } 154 }.visit(element); 155 si.setCategory(configuration.getContent("doclet.SearchTags").toString()); 156 configuration.tagSearchIndex.add(si); 157 } 158 return result; 159 } 160 161 /** 162 * {@inheritDoc} 163 */ 164 public Content getDocRootOutput() { 165 String path; 166 if (htmlWriter.pathToRoot.isEmpty()) 167 path = "."; 168 else 169 path = htmlWriter.pathToRoot.getPath(); 170 return new StringContent(path); 171 } 172 173 /** 174 * {@inheritDoc} 175 */ 176 public Content deprecatedTagOutput(Element element) { 177 ContentBuilder result = new ContentBuilder(); 178 CommentHelper ch = utils.getCommentHelper(element); 179 List<? extends DocTree> deprs = utils.getBlockTags(element, DocTree.Kind.DEPRECATED); 180 if (utils.isTypeElement(element)) { 181 if (utils.isDeprecated(element)) { 182 result.addContent(HtmlTree.SPAN(HtmlStyle.deprecatedLabel, 183 htmlWriter.getDeprecatedPhrase(element))); 184 if (!deprs.isEmpty()) { 185 List<? extends DocTree> commentTags = ch.getDescription(configuration, deprs.get(0)); 186 if (!commentTags.isEmpty()) { 187 result.addContent(commentTagsToOutput(null, element, commentTags, false)); 188 } 189 } 190 } 191 } else { 192 if (utils.isDeprecated(element)) { 193 result.addContent(HtmlTree.SPAN(HtmlStyle.deprecatedLabel, 194 htmlWriter.getDeprecatedPhrase(element))); 195 if (!deprs.isEmpty()) { 196 List<? extends DocTree> bodyTags = ch.getBody(configuration, deprs.get(0)); 197 Content body = commentTagsToOutput(null, element, bodyTags, false); 198 if (!body.isEmpty()) 199 result.addContent(HtmlTree.DIV(HtmlStyle.deprecationComment, body)); 200 } 201 } else { 202 Element ee = utils.getEnclosingTypeElement(element); 203 if (utils.isDeprecated(ee)) { 204 result.addContent(HtmlTree.SPAN(HtmlStyle.deprecatedLabel, 205 htmlWriter.getDeprecatedPhrase(ee))); 206 } 207 } 208 } 209 return result; 210 } 211 212 /** 213 * {@inheritDoc} 214 */ 215 protected Content literalTagOutput(Element element, DocTree tag) { 216 CommentHelper ch = utils.getCommentHelper(element); 217 Content result = new StringContent(utils.normalizeNewlines(ch.getText(tag))); 218 return result; 219 } 220 221 /** 222 * {@inheritDoc} 223 */ 224 public Content getParamHeader(String header) { 225 HtmlTree result = HtmlTree.DT(HtmlTree.SPAN(HtmlStyle.paramLabel, 226 new StringContent(header))); 227 return result; 228 } 229 230 /** 231 * {@inheritDoc} 232 */ 233 public Content paramTagOutput(Element element, DocTree paramTag, String paramName) { 234 ContentBuilder body = new ContentBuilder(); 235 CommentHelper ch = utils.getCommentHelper(element); 236 body.addContent(HtmlTree.CODE(new RawHtml(paramName))); 237 body.addContent(" - "); 238 List<? extends DocTree> description = ch.getDescription(configuration, paramTag); 239 body.addContent(htmlWriter.commentTagsToContent(paramTag, element, description, false)); 240 HtmlTree result = HtmlTree.DD(body); 241 return result; 242 } 243 244 /** 245 * {@inheritDoc} 246 */ 247 public Content propertyTagOutput(Element element, DocTree tag, String prefix) { 248 Content body = new ContentBuilder(); 249 CommentHelper ch = utils.getCommentHelper(element); 250 body.addContent(new RawHtml(prefix)); 251 body.addContent(" "); 252 body.addContent(HtmlTree.CODE(new RawHtml(ch.getText(tag)))); 253 body.addContent("."); 254 Content result = HtmlTree.P(body); 255 return result; 256 } 257 258 /** 259 * {@inheritDoc} 260 */ 261 public Content returnTagOutput(Element element, DocTree returnTag) { 262 ContentBuilder result = new ContentBuilder(); 263 CommentHelper ch = utils.getCommentHelper(element); 264 result.addContent(HtmlTree.DT(HtmlTree.SPAN(HtmlStyle.returnLabel, 265 new StringContent(configuration.getText("doclet.Returns"))))); 266 result.addContent(HtmlTree.DD(htmlWriter.commentTagsToContent( 267 returnTag, element, ch.getDescription(configuration, returnTag), false))); 268 return result; 269 } 270 271 /** 272 * {@inheritDoc} 273 */ 274 public Content seeTagOutput(Element holder, List<? extends DocTree> seeTags) { 275 ContentBuilder body = new ContentBuilder(); 276 if (!seeTags.isEmpty()) { 277 for (DocTree dt : seeTags) { 278 appendSeparatorIfNotEmpty(body); 279 body.addContent(htmlWriter.seeTagToContent(holder, dt)); 280 } 281 } 282 if (utils.isVariableElement(holder) && ((VariableElement)holder).getConstantValue() != null && 283 htmlWriter instanceof ClassWriterImpl) { 284 //Automatically add link to constant values page for constant fields. 285 appendSeparatorIfNotEmpty(body); 286 DocPath constantsPath = 287 htmlWriter.pathToRoot.resolve(DocPaths.CONSTANT_VALUES); 288 String whichConstant = 289 ((ClassWriterImpl) htmlWriter).getTypeElement().getQualifiedName() + "." + 290 utils.getSimpleName(holder); 291 DocLink link = constantsPath.fragment(whichConstant); 292 body.addContent(htmlWriter.links.createLink(link, 293 new StringContent(configuration.getText("doclet.Constants_Summary")))); 294 } 295 if (utils.isClass(holder) && utils.isSerializable((TypeElement)holder)) { 296 //Automatically add link to serialized form page for serializable classes. 297 if (SerializedFormBuilder.serialInclude(utils, holder) && 298 SerializedFormBuilder.serialInclude(utils, utils.containingPackage(holder))) { 299 appendSeparatorIfNotEmpty(body); 300 DocPath serialPath = htmlWriter.pathToRoot.resolve(DocPaths.SERIALIZED_FORM); 301 DocLink link = serialPath.fragment(utils.getFullyQualifiedName(holder)); 302 body.addContent(htmlWriter.links.createLink(link, 303 new StringContent(configuration.getText("doclet.Serialized_Form")))); 304 } 305 } 306 if (body.isEmpty()) 307 return body; 308 309 ContentBuilder result = new ContentBuilder(); 310 result.addContent(HtmlTree.DT(HtmlTree.SPAN(HtmlStyle.seeLabel, 311 new StringContent(configuration.getText("doclet.See_Also"))))); 312 result.addContent(HtmlTree.DD(body)); 313 return result; 314 315 } 316 317 private void appendSeparatorIfNotEmpty(ContentBuilder body) { 318 if (!body.isEmpty()) { 319 body.addContent(", "); 320 body.addContent(DocletConstants.NL); 321 } 322 } 323 324 /** 325 * {@inheritDoc} 326 */ 327 public Content simpleTagOutput(Element element, List<? extends DocTree> simpleTags, String header) { 328 CommentHelper ch = utils.getCommentHelper(element); 329 ContentBuilder result = new ContentBuilder(); 330 result.addContent(HtmlTree.DT(HtmlTree.SPAN(HtmlStyle.simpleTagLabel, new RawHtml(header)))); 331 ContentBuilder body = new ContentBuilder(); 332 boolean many = false; 333 for (DocTree simpleTag : simpleTags) { 334 if (many) { 335 body.addContent(", "); 336 } 337 List<? extends DocTree> bodyTags = ch.getBody(configuration, simpleTag); 338 body.addContent(htmlWriter.commentTagsToContent(simpleTag, element, bodyTags, false)); 339 many = true; 340 } 341 result.addContent(HtmlTree.DD(body)); 342 return result; 343 } 344 345 /** 346 * {@inheritDoc} 347 */ 348 public Content simpleTagOutput(Element element, DocTree simpleTag, String header) { 349 ContentBuilder result = new ContentBuilder(); 350 result.addContent(HtmlTree.DT(HtmlTree.SPAN(HtmlStyle.simpleTagLabel, new RawHtml(header)))); 351 CommentHelper ch = utils.getCommentHelper(element); 352 List<? extends DocTree> description = ch.getDescription(configuration, simpleTag); 353 Content body = htmlWriter.commentTagsToContent(simpleTag, element, description, false); 354 result.addContent(HtmlTree.DD(body)); 355 return result; 356 } 357 358 /** 359 * {@inheritDoc} 360 */ 361 public Content getThrowsHeader() { 362 HtmlTree result = HtmlTree.DT(HtmlTree.SPAN(HtmlStyle.throwsLabel, 363 new StringContent(configuration.getText("doclet.Throws")))); 364 return result; 365 } 366 367 /** 368 * {@inheritDoc} 369 */ 370 public Content throwsTagOutput(Element element, DocTree throwsTag) { 371 ContentBuilder body = new ContentBuilder(); 372 CommentHelper ch = utils.getCommentHelper(element); 373 Element exception = ch.getException(configuration, throwsTag); 374 Content excName; 375 if (exception == null) { 376 excName = new RawHtml(ch.getExceptionName(throwsTag).toString()); 377 } else if (exception.asType() == null) { 378 excName = new RawHtml(utils.getFullyQualifiedName(exception)); 379 } else { 380 LinkInfoImpl link = new LinkInfoImpl(configuration, LinkInfoImpl.Kind.MEMBER, 381 exception.asType()); 382 link.excludeTypeBounds = true; 383 excName = htmlWriter.getLink(link); 384 } 385 body.addContent(HtmlTree.CODE(excName)); 386 List<? extends DocTree> description = ch.getDescription(configuration, throwsTag); 387 Content desc = htmlWriter.commentTagsToContent(throwsTag, element, description, false); 388 if (desc != null && !desc.isEmpty()) { 389 body.addContent(" - "); 390 body.addContent(desc); 391 } 392 HtmlTree result = HtmlTree.DD(body); 393 return result; 394 } 395 396 /** 397 * {@inheritDoc} 398 */ 399 public Content throwsTagOutput(TypeMirror throwsType) { 400 HtmlTree result = HtmlTree.DD(HtmlTree.CODE(htmlWriter.getLink( 401 new LinkInfoImpl(configuration, LinkInfoImpl.Kind.MEMBER, throwsType)))); 402 return result; 403 } 404 405 /** 406 * {@inheritDoc} 407 */ 408 public Content valueTagOutput(VariableElement field, String constantVal, boolean includeLink) { 409 return includeLink ? 410 htmlWriter.getDocLink(LinkInfoImpl.Kind.VALUE_TAG, field, 411 constantVal, false) : new RawHtml(constantVal); 412 } 413 414 /** 415 * {@inheritDoc} 416 */ 417 public Content commentTagsToOutput(DocTree holderTag, List<? extends DocTree> tags) { 418 return commentTagsToOutput(holderTag, null, tags, false); 419 } 420 421 /** 422 * {@inheritDoc} 423 */ 424 public Content commentTagsToOutput(Element holder, List<? extends DocTree> tags) { 425 return commentTagsToOutput(null, holder, tags, false); 426 } 427 428 /** 429 * {@inheritDoc} 430 */ 431 public Content commentTagsToOutput(DocTree holderTag, 432 Element holder, List<? extends DocTree> tags, boolean isFirstSentence) { 433 return htmlWriter.commentTagsToContent(holderTag, holder, 434 tags, isFirstSentence); 435 } 436 437 /** 438 * {@inheritDoc} 439 */ 440 public BaseConfiguration configuration() { 441 return configuration; 442 } 443 }