src/share/classes/com/sun/tools/javadoc/DocImpl.java

Tue, 16 Sep 2008 18:35:18 -0700

author
jjg
date
Tue, 16 Sep 2008 18:35:18 -0700
changeset 113
eff38cc97183
parent 1
9a66ca7c79fa
child 197
1bf037016426
permissions
-rw-r--r--

6574134: Allow for alternative implementation of Name Table with garbage collection of name bytes
Reviewed-by: darcy, mcimadamore

duke@1 1 /*
duke@1 2 * Copyright 1997-2006 Sun Microsystems, Inc. All Rights Reserved.
duke@1 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@1 4 *
duke@1 5 * This code is free software; you can redistribute it and/or modify it
duke@1 6 * under the terms of the GNU General Public License version 2 only, as
duke@1 7 * published by the Free Software Foundation. Sun designates this
duke@1 8 * particular file as subject to the "Classpath" exception as provided
duke@1 9 * by Sun in the LICENSE file that accompanied this code.
duke@1 10 *
duke@1 11 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@1 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@1 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@1 14 * version 2 for more details (a copy is included in the LICENSE file that
duke@1 15 * accompanied this code).
duke@1 16 *
duke@1 17 * You should have received a copy of the GNU General Public License version
duke@1 18 * 2 along with this work; if not, write to the Free Software Foundation,
duke@1 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@1 20 *
duke@1 21 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@1 22 * CA 95054 USA or visit www.sun.com if you need additional information or
duke@1 23 * have any questions.
duke@1 24 */
duke@1 25
duke@1 26 package com.sun.tools.javadoc;
duke@1 27
duke@1 28 import com.sun.javadoc.*;
duke@1 29
duke@1 30 import java.io.InputStream;
duke@1 31 import java.io.IOException;
duke@1 32 import java.text.CollationKey;
duke@1 33 import com.sun.tools.javac.util.Position;
duke@1 34
duke@1 35 /**
duke@1 36 * abstract base class of all Doc classes. Doc item's are representations
duke@1 37 * of java language constructs (class, package, method,...) which have
duke@1 38 * comments and have been processed by this run of javadoc. All Doc items
duke@1 39 * are unique, that is, they are == comparable.
duke@1 40 *
duke@1 41 * @since 1.2
duke@1 42 * @author Robert Field
duke@1 43 * @author Atul M Dambalkar
duke@1 44 * @author Neal Gafter (rewrite)
duke@1 45 */
duke@1 46 abstract class DocImpl implements Doc, Comparable<Object> {
duke@1 47
duke@1 48 /**
duke@1 49 * Doc environment
duke@1 50 */
duke@1 51 protected final DocEnv env; //### Rename this everywhere to 'docenv' ?
duke@1 52
duke@1 53 /**
duke@1 54 * The complex comment object, lazily initialized.
duke@1 55 */
duke@1 56 private Comment comment;
duke@1 57
duke@1 58 /**
duke@1 59 * The cached sort key, to take care of Natural Language Text sorting.
duke@1 60 */
duke@1 61 private CollationKey collationkey = null;
duke@1 62
duke@1 63 /**
duke@1 64 * Raw documentation string.
duke@1 65 */
duke@1 66 protected String documentation; // Accessed in PackageDocImpl, RootDocImpl
duke@1 67
duke@1 68 /**
duke@1 69 * Cached first sentence.
duke@1 70 */
duke@1 71 private Tag[] firstSentence;
duke@1 72
duke@1 73 /**
duke@1 74 * Cached inline tags.
duke@1 75 */
duke@1 76 private Tag[] inlineTags;
duke@1 77
duke@1 78 /**
duke@1 79 * Constructor.
duke@1 80 */
duke@1 81 DocImpl(DocEnv env, String documentation) {
duke@1 82 this.documentation = documentation;
duke@1 83 this.env = env;
duke@1 84 }
duke@1 85
duke@1 86 /**
duke@1 87 * So subclasses have the option to do lazy initialization of
duke@1 88 * "documentation" string.
duke@1 89 */
duke@1 90 String documentation() {
duke@1 91 if (documentation == null) documentation = "";
duke@1 92 return documentation;
duke@1 93 }
duke@1 94
duke@1 95 /**
duke@1 96 * For lazy initialization of comment.
duke@1 97 */
duke@1 98 Comment comment() {
duke@1 99 if (comment == null) {
duke@1 100 comment = new Comment(this, documentation());
duke@1 101 }
duke@1 102 return comment;
duke@1 103 }
duke@1 104
duke@1 105 /**
duke@1 106 * Return the text of the comment for this doc item.
duke@1 107 * TagImpls have been removed.
duke@1 108 */
duke@1 109 public String commentText() {
duke@1 110 return comment().commentText();
duke@1 111 }
duke@1 112
duke@1 113 /**
duke@1 114 * Return all tags in this Doc item.
duke@1 115 *
duke@1 116 * @return an array of TagImpl containing all tags on this Doc item.
duke@1 117 */
duke@1 118 public Tag[] tags() {
duke@1 119 return comment().tags();
duke@1 120 }
duke@1 121
duke@1 122 /**
duke@1 123 * Return tags of the specified kind in this Doc item.
duke@1 124 *
duke@1 125 * @param tagname name of the tag kind to search for.
duke@1 126 * @return an array of TagImpl containing all tags whose 'kind()'
duke@1 127 * matches 'tagname'.
duke@1 128 */
duke@1 129 public Tag[] tags(String tagname) {
duke@1 130 return comment().tags(tagname);
duke@1 131 }
duke@1 132
duke@1 133 /**
duke@1 134 * Return the see also tags in this Doc item.
duke@1 135 *
duke@1 136 * @return an array of SeeTag containing all &#64see tags.
duke@1 137 */
duke@1 138 public SeeTag[] seeTags() {
duke@1 139 return comment().seeTags();
duke@1 140 }
duke@1 141
duke@1 142 public Tag[] inlineTags() {
duke@1 143 if (inlineTags == null) {
duke@1 144 inlineTags = Comment.getInlineTags(this, commentText());
duke@1 145 }
duke@1 146 return inlineTags;
duke@1 147 }
duke@1 148
duke@1 149 public Tag[] firstSentenceTags() {
duke@1 150 if (firstSentence == null) {
duke@1 151 //Parse all sentences first to avoid duplicate warnings.
duke@1 152 inlineTags();
duke@1 153 try {
duke@1 154 env.setSilent(true);
duke@1 155 firstSentence = Comment.firstSentenceTags(this, commentText());
duke@1 156 } finally {
duke@1 157 env.setSilent(false);
duke@1 158 }
duke@1 159 }
duke@1 160 return firstSentence;
duke@1 161 }
duke@1 162
duke@1 163 /**
duke@1 164 * Utility for subclasses which read HTML documentation files.
duke@1 165 */
duke@1 166 String readHTMLDocumentation(InputStream input, String filename) throws IOException {
duke@1 167 int filesize = input.available();
duke@1 168 byte[] filecontents = new byte[filesize];
duke@1 169 input.read(filecontents, 0, filesize);
duke@1 170 input.close();
duke@1 171 String encoding = env.getEncoding();
duke@1 172 String rawDoc = (encoding!=null)
duke@1 173 ? new String(filecontents, encoding)
duke@1 174 : new String(filecontents);
duke@1 175 String upper = null;
duke@1 176 int bodyIdx = rawDoc.indexOf("<body");
duke@1 177 if (bodyIdx == -1) {
duke@1 178 bodyIdx = rawDoc.indexOf("<BODY");
duke@1 179 if (bodyIdx == -1) {
duke@1 180 upper = rawDoc.toUpperCase();
duke@1 181 bodyIdx = upper.indexOf("<BODY");
duke@1 182 if (bodyIdx == -1) {
duke@1 183 env.error(SourcePositionImpl.make(filename, Position.NOPOS, null),
duke@1 184 "javadoc.Body_missing_from_html_file");
duke@1 185 return "";
duke@1 186 }
duke@1 187 }
duke@1 188 }
duke@1 189 bodyIdx = rawDoc.indexOf('>', bodyIdx);
duke@1 190 if (bodyIdx == -1) {
duke@1 191 env.error(SourcePositionImpl.make(filename, Position.NOPOS, null),
duke@1 192 "javadoc.Body_missing_from_html_file");
duke@1 193 return "";
duke@1 194 }
duke@1 195 ++bodyIdx;
duke@1 196 int endIdx = rawDoc.indexOf("</body", bodyIdx);
duke@1 197 if (endIdx == -1) {
duke@1 198 endIdx = rawDoc.indexOf("</BODY", bodyIdx);
duke@1 199 if (endIdx == -1) {
duke@1 200 if (upper == null) {
duke@1 201 upper = rawDoc.toUpperCase();
duke@1 202 }
duke@1 203 endIdx = upper.indexOf("</BODY", bodyIdx);
duke@1 204 if (endIdx == -1) {
duke@1 205 env.error(SourcePositionImpl.make(filename, Position.NOPOS, null),
duke@1 206 "javadoc.End_body_missing_from_html_file");
duke@1 207 return "";
duke@1 208 }
duke@1 209 }
duke@1 210 }
duke@1 211 return rawDoc.substring(bodyIdx, endIdx);
duke@1 212 }
duke@1 213
duke@1 214 /**
duke@1 215 * Return the full unprocessed text of the comment. Tags
duke@1 216 * are included as text. Used mainly for store and retrieve
duke@1 217 * operations like internalization.
duke@1 218 */
duke@1 219 public String getRawCommentText() {
duke@1 220 return documentation();
duke@1 221 }
duke@1 222
duke@1 223 /**
duke@1 224 * Set the full unprocessed text of the comment. Tags
duke@1 225 * are included as text. Used mainly for store and retrieve
duke@1 226 * operations like internalization.
duke@1 227 */
duke@1 228 public void setRawCommentText(String rawDocumentation) {
duke@1 229 documentation = rawDocumentation;
duke@1 230 comment = null;
duke@1 231 }
duke@1 232
duke@1 233 /**
duke@1 234 * return a key for sorting.
duke@1 235 */
duke@1 236 CollationKey key() {
duke@1 237 if (collationkey == null) {
duke@1 238 collationkey = generateKey();
duke@1 239 }
duke@1 240 return collationkey;
duke@1 241 }
duke@1 242
duke@1 243 /**
duke@1 244 * Generate a key for sorting.
duke@1 245 * <p>
duke@1 246 * Default is name().
duke@1 247 */
duke@1 248 CollationKey generateKey() {
duke@1 249 String k = name();
duke@1 250 // System.out.println("COLLATION KEY FOR " + this + " is \"" + k + "\"");
duke@1 251 return env.doclocale.collator.getCollationKey(k);
duke@1 252 }
duke@1 253
duke@1 254 /**
duke@1 255 * Returns a string representation of this Doc item.
duke@1 256 */
duke@1 257 public String toString() {
duke@1 258 return qualifiedName();
duke@1 259 }
duke@1 260
duke@1 261 /**
duke@1 262 * Returns the name of this Doc item.
duke@1 263 *
duke@1 264 * @return the name
duke@1 265 */
duke@1 266 public abstract String name();
duke@1 267
duke@1 268 /**
duke@1 269 * Returns the qualified name of this Doc item.
duke@1 270 *
duke@1 271 * @return the name
duke@1 272 */
duke@1 273 public abstract String qualifiedName();
duke@1 274
duke@1 275 /**
duke@1 276 * Compares this Object with the specified Object for order. Returns a
duke@1 277 * negative integer, zero, or a positive integer as this Object is less
duke@1 278 * than, equal to, or greater than the given Object.
duke@1 279 * <p>
duke@1 280 * Included so that Doc item are java.lang.Comparable.
duke@1 281 *
duke@1 282 * @param o the <code>Object</code> to be compared.
duke@1 283 * @return a negative integer, zero, or a positive integer as this Object
duke@1 284 * is less than, equal to, or greater than the given Object.
duke@1 285 * @exception ClassCastException the specified Object's type prevents it
duke@1 286 * from being compared to this Object.
duke@1 287 */
duke@1 288 public int compareTo(Object obj) {
duke@1 289 // System.out.println("COMPARE \"" + this + "\" to \"" + obj + "\" = " + key().compareTo(((DocImpl)obj).key()));
duke@1 290 return key().compareTo(((DocImpl)obj).key());
duke@1 291 }
duke@1 292
duke@1 293 /**
duke@1 294 * Is this Doc item a field? False until overridden.
duke@1 295 *
duke@1 296 * @return true if it represents a field
duke@1 297 */
duke@1 298 public boolean isField() {
duke@1 299 return false;
duke@1 300 }
duke@1 301
duke@1 302 /**
duke@1 303 * Is this Doc item an enum constant? False until overridden.
duke@1 304 *
duke@1 305 * @return true if it represents an enum constant
duke@1 306 */
duke@1 307 public boolean isEnumConstant() {
duke@1 308 return false;
duke@1 309 }
duke@1 310
duke@1 311 /**
duke@1 312 * Is this Doc item a constructor? False until overridden.
duke@1 313 *
duke@1 314 * @return true if it represents a constructor
duke@1 315 */
duke@1 316 public boolean isConstructor() {
duke@1 317 return false;
duke@1 318 }
duke@1 319
duke@1 320 /**
duke@1 321 * Is this Doc item a method (but not a constructor or annotation
duke@1 322 * type element)?
duke@1 323 * False until overridden.
duke@1 324 *
duke@1 325 * @return true if it represents a method
duke@1 326 */
duke@1 327 public boolean isMethod() {
duke@1 328 return false;
duke@1 329 }
duke@1 330
duke@1 331 /**
duke@1 332 * Is this Doc item an annotation type element?
duke@1 333 * False until overridden.
duke@1 334 *
duke@1 335 * @return true if it represents an annotation type element
duke@1 336 */
duke@1 337 public boolean isAnnotationTypeElement() {
duke@1 338 return false;
duke@1 339 }
duke@1 340
duke@1 341 /**
duke@1 342 * Is this Doc item a interface (but not an annotation type)?
duke@1 343 * False until overridden.
duke@1 344 *
duke@1 345 * @return true if it represents a interface
duke@1 346 */
duke@1 347 public boolean isInterface() {
duke@1 348 return false;
duke@1 349 }
duke@1 350
duke@1 351 /**
duke@1 352 * Is this Doc item a exception class? False until overridden.
duke@1 353 *
duke@1 354 * @return true if it represents a exception
duke@1 355 */
duke@1 356 public boolean isException() {
duke@1 357 return false;
duke@1 358 }
duke@1 359
duke@1 360 /**
duke@1 361 * Is this Doc item a error class? False until overridden.
duke@1 362 *
duke@1 363 * @return true if it represents a error
duke@1 364 */
duke@1 365 public boolean isError() {
duke@1 366 return false;
duke@1 367 }
duke@1 368
duke@1 369 /**
duke@1 370 * Is this Doc item an enum type? False until overridden.
duke@1 371 *
duke@1 372 * @return true if it represents an enum type
duke@1 373 */
duke@1 374 public boolean isEnum() {
duke@1 375 return false;
duke@1 376 }
duke@1 377
duke@1 378 /**
duke@1 379 * Is this Doc item an annotation type? False until overridden.
duke@1 380 *
duke@1 381 * @return true if it represents an annotation type
duke@1 382 */
duke@1 383 public boolean isAnnotationType() {
duke@1 384 return false;
duke@1 385 }
duke@1 386
duke@1 387 /**
duke@1 388 * Is this Doc item an ordinary class (i.e. not an interface,
duke@1 389 * annotation type, enumeration, exception, or error)?
duke@1 390 * False until overridden.
duke@1 391 *
duke@1 392 * @return true if it represents an ordinary class
duke@1 393 */
duke@1 394 public boolean isOrdinaryClass() {
duke@1 395 return false;
duke@1 396 }
duke@1 397
duke@1 398 /**
duke@1 399 * Is this Doc item a class
duke@1 400 * (and not an interface or annotation type)?
duke@1 401 * This includes ordinary classes, enums, errors and exceptions.
duke@1 402 * False until overridden.
duke@1 403 *
duke@1 404 * @return true if it represents a class
duke@1 405 */
duke@1 406 public boolean isClass() {
duke@1 407 return false;
duke@1 408 }
duke@1 409
duke@1 410 /**
duke@1 411 * return true if this Doc is include in the active set.
duke@1 412 */
duke@1 413 public abstract boolean isIncluded();
duke@1 414
duke@1 415 /**
duke@1 416 * Return the source position of the entity, or null if
duke@1 417 * no position is available.
duke@1 418 */
duke@1 419 public SourcePosition position() { return null; }
duke@1 420 }

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