Wed, 27 Apr 2016 01:34:52 +0800
Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/langtools/
changeset: 2573:53ca196be1ae
tag: jdk8u25-b17
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. Oracle designates this |
aoqi@0 | 8 | * particular file as subject to the "Classpath" exception as provided |
aoqi@0 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
aoqi@0 | 10 | * |
aoqi@0 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 15 | * accompanied this code). |
aoqi@0 | 16 | * |
aoqi@0 | 17 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 20 | * |
aoqi@0 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 22 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 23 | * questions. |
aoqi@0 | 24 | */ |
aoqi@0 | 25 | |
aoqi@0 | 26 | package com.sun.tools.doclets.internal.toolkit.taglets; |
aoqi@0 | 27 | |
aoqi@0 | 28 | import java.util.*; |
aoqi@0 | 29 | |
aoqi@0 | 30 | import com.sun.javadoc.*; |
aoqi@0 | 31 | import com.sun.tools.doclets.internal.toolkit.Content; |
aoqi@0 | 32 | import com.sun.tools.doclets.internal.toolkit.util.*; |
aoqi@0 | 33 | |
aoqi@0 | 34 | /** |
aoqi@0 | 35 | * A taglet that represents the @param tag. |
aoqi@0 | 36 | * |
aoqi@0 | 37 | * <p><b>This is NOT part of any supported API. |
aoqi@0 | 38 | * If you write code that depends on this, you do so at your own risk. |
aoqi@0 | 39 | * This code and its internal interfaces are subject to change or |
aoqi@0 | 40 | * deletion without notice.</b> |
aoqi@0 | 41 | * |
aoqi@0 | 42 | * @author Jamie Ho |
aoqi@0 | 43 | * @since 1.4 |
aoqi@0 | 44 | */ |
aoqi@0 | 45 | public class ParamTaglet extends BaseTaglet implements InheritableTaglet { |
aoqi@0 | 46 | |
aoqi@0 | 47 | /** |
aoqi@0 | 48 | * Construct a ParamTaglet. |
aoqi@0 | 49 | */ |
aoqi@0 | 50 | public ParamTaglet() { |
aoqi@0 | 51 | name = "param"; |
aoqi@0 | 52 | } |
aoqi@0 | 53 | |
aoqi@0 | 54 | /** |
aoqi@0 | 55 | * Given an array of <code>Parameter</code>s, return |
aoqi@0 | 56 | * a name/rank number map. If the array is null, then |
aoqi@0 | 57 | * null is returned. |
aoqi@0 | 58 | * @param params The array of parmeters (from type or executable member) to |
aoqi@0 | 59 | * check. |
aoqi@0 | 60 | * @return a name-rank number map. |
aoqi@0 | 61 | */ |
aoqi@0 | 62 | private static Map<String,String> getRankMap(Object[] params){ |
aoqi@0 | 63 | if (params == null) { |
aoqi@0 | 64 | return null; |
aoqi@0 | 65 | } |
aoqi@0 | 66 | HashMap<String,String> result = new HashMap<String,String>(); |
aoqi@0 | 67 | for (int i = 0; i < params.length; i++) { |
aoqi@0 | 68 | String name = params[i] instanceof Parameter ? |
aoqi@0 | 69 | ((Parameter) params[i]).name() : |
aoqi@0 | 70 | ((TypeVariable) params[i]).typeName(); |
aoqi@0 | 71 | result.put(name, String.valueOf(i)); |
aoqi@0 | 72 | } |
aoqi@0 | 73 | return result; |
aoqi@0 | 74 | } |
aoqi@0 | 75 | |
aoqi@0 | 76 | /** |
aoqi@0 | 77 | * {@inheritDoc} |
aoqi@0 | 78 | */ |
aoqi@0 | 79 | public void inherit(DocFinder.Input input, DocFinder.Output output) { |
aoqi@0 | 80 | if (input.tagId == null) { |
aoqi@0 | 81 | input.isTypeVariableParamTag = ((ParamTag) input.tag).isTypeParameter(); |
aoqi@0 | 82 | Object[] parameters = input.isTypeVariableParamTag ? |
aoqi@0 | 83 | (Object[]) ((MethodDoc) input.tag.holder()).typeParameters() : |
aoqi@0 | 84 | (Object[]) ((MethodDoc) input.tag.holder()).parameters(); |
aoqi@0 | 85 | String target = ((ParamTag) input.tag).parameterName(); |
aoqi@0 | 86 | int i; |
aoqi@0 | 87 | for (i = 0; i < parameters.length; i++) { |
aoqi@0 | 88 | String name = parameters[i] instanceof Parameter ? |
aoqi@0 | 89 | ((Parameter) parameters[i]).name() : |
aoqi@0 | 90 | ((TypeVariable) parameters[i]).typeName(); |
aoqi@0 | 91 | if (name.equals(target)) { |
aoqi@0 | 92 | input.tagId = String.valueOf(i); |
aoqi@0 | 93 | break; |
aoqi@0 | 94 | } |
aoqi@0 | 95 | } |
aoqi@0 | 96 | if (i == parameters.length) { |
aoqi@0 | 97 | //Someone used {@inheritDoc} on an invalid @param tag. |
aoqi@0 | 98 | //We don't know where to inherit from. |
aoqi@0 | 99 | //XXX: in the future when Configuration is available here, |
aoqi@0 | 100 | //print a warning for this mistake. |
aoqi@0 | 101 | return; |
aoqi@0 | 102 | } |
aoqi@0 | 103 | } |
aoqi@0 | 104 | ParamTag[] tags = input.isTypeVariableParamTag ? |
aoqi@0 | 105 | ((MethodDoc)input.element).typeParamTags() : ((MethodDoc)input.element).paramTags(); |
aoqi@0 | 106 | Map<String, String> rankMap = getRankMap(input.isTypeVariableParamTag ? |
aoqi@0 | 107 | (Object[]) ((MethodDoc)input.element).typeParameters() : |
aoqi@0 | 108 | (Object[]) ((MethodDoc)input.element).parameters()); |
aoqi@0 | 109 | for (int i = 0; i < tags.length; i++) { |
aoqi@0 | 110 | if (rankMap.containsKey(tags[i].parameterName()) && |
aoqi@0 | 111 | rankMap.get(tags[i].parameterName()).equals((input.tagId))) { |
aoqi@0 | 112 | output.holder = input.element; |
aoqi@0 | 113 | output.holderTag = tags[i]; |
aoqi@0 | 114 | output.inlineTags = input.isFirstSentence ? |
aoqi@0 | 115 | tags[i].firstSentenceTags() : tags[i].inlineTags(); |
aoqi@0 | 116 | return; |
aoqi@0 | 117 | } |
aoqi@0 | 118 | } |
aoqi@0 | 119 | } |
aoqi@0 | 120 | |
aoqi@0 | 121 | /** |
aoqi@0 | 122 | * {@inheritDoc} |
aoqi@0 | 123 | */ |
aoqi@0 | 124 | public boolean inField() { |
aoqi@0 | 125 | return false; |
aoqi@0 | 126 | } |
aoqi@0 | 127 | |
aoqi@0 | 128 | /** |
aoqi@0 | 129 | * {@inheritDoc} |
aoqi@0 | 130 | */ |
aoqi@0 | 131 | public boolean inMethod() { |
aoqi@0 | 132 | return true; |
aoqi@0 | 133 | } |
aoqi@0 | 134 | |
aoqi@0 | 135 | /** |
aoqi@0 | 136 | * {@inheritDoc} |
aoqi@0 | 137 | */ |
aoqi@0 | 138 | public boolean inOverview() { |
aoqi@0 | 139 | return false; |
aoqi@0 | 140 | } |
aoqi@0 | 141 | |
aoqi@0 | 142 | /** |
aoqi@0 | 143 | * {@inheritDoc} |
aoqi@0 | 144 | */ |
aoqi@0 | 145 | public boolean inPackage() { |
aoqi@0 | 146 | return false; |
aoqi@0 | 147 | } |
aoqi@0 | 148 | |
aoqi@0 | 149 | /** |
aoqi@0 | 150 | * {@inheritDoc} |
aoqi@0 | 151 | */ |
aoqi@0 | 152 | public boolean inType() { |
aoqi@0 | 153 | return true; |
aoqi@0 | 154 | } |
aoqi@0 | 155 | |
aoqi@0 | 156 | /** |
aoqi@0 | 157 | * {@inheritDoc} |
aoqi@0 | 158 | */ |
aoqi@0 | 159 | public boolean isInlineTag() { |
aoqi@0 | 160 | return false; |
aoqi@0 | 161 | } |
aoqi@0 | 162 | |
aoqi@0 | 163 | /** |
aoqi@0 | 164 | * Given an array of <code>ParamTag</code>s,return its string representation. |
aoqi@0 | 165 | * @param holder the member that holds the param tags. |
aoqi@0 | 166 | * @param writer the TagletWriter that will write this tag. |
aoqi@0 | 167 | * @return the TagletOutput representation of these <code>ParamTag</code>s. |
aoqi@0 | 168 | */ |
aoqi@0 | 169 | public Content getTagletOutput(Doc holder, TagletWriter writer) { |
aoqi@0 | 170 | if (holder instanceof ExecutableMemberDoc) { |
aoqi@0 | 171 | ExecutableMemberDoc member = (ExecutableMemberDoc) holder; |
aoqi@0 | 172 | Content output = getTagletOutput(false, member, writer, |
aoqi@0 | 173 | member.typeParameters(), member.typeParamTags()); |
aoqi@0 | 174 | output.addContent(getTagletOutput(true, member, writer, |
aoqi@0 | 175 | member.parameters(), member.paramTags())); |
aoqi@0 | 176 | return output; |
aoqi@0 | 177 | } else { |
aoqi@0 | 178 | ClassDoc classDoc = (ClassDoc) holder; |
aoqi@0 | 179 | return getTagletOutput(false, classDoc, writer, |
aoqi@0 | 180 | classDoc.typeParameters(), classDoc.typeParamTags()); |
aoqi@0 | 181 | } |
aoqi@0 | 182 | } |
aoqi@0 | 183 | |
aoqi@0 | 184 | /** |
aoqi@0 | 185 | * Given an array of <code>ParamTag</code>s,return its string representation. |
aoqi@0 | 186 | * Try to inherit the param tags that are missing. |
aoqi@0 | 187 | * |
aoqi@0 | 188 | * @param holder the doc that holds the param tags. |
aoqi@0 | 189 | * @param writer the TagletWriter that will write this tag. |
aoqi@0 | 190 | * @param formalParameters The array of parmeters (from type or executable |
aoqi@0 | 191 | * member) to check. |
aoqi@0 | 192 | * |
aoqi@0 | 193 | * @return the TagletOutput representation of these <code>ParamTag</code>s. |
aoqi@0 | 194 | */ |
aoqi@0 | 195 | private Content getTagletOutput(boolean isNonTypeParams, Doc holder, |
aoqi@0 | 196 | TagletWriter writer, Object[] formalParameters, ParamTag[] paramTags) { |
aoqi@0 | 197 | Content result = writer.getOutputInstance(); |
aoqi@0 | 198 | Set<String> alreadyDocumented = new HashSet<String>(); |
aoqi@0 | 199 | if (paramTags.length > 0) { |
aoqi@0 | 200 | result.addContent( |
aoqi@0 | 201 | processParamTags(isNonTypeParams, paramTags, |
aoqi@0 | 202 | getRankMap(formalParameters), writer, alreadyDocumented) |
aoqi@0 | 203 | ); |
aoqi@0 | 204 | } |
aoqi@0 | 205 | if (alreadyDocumented.size() != formalParameters.length) { |
aoqi@0 | 206 | //Some parameters are missing corresponding @param tags. |
aoqi@0 | 207 | //Try to inherit them. |
aoqi@0 | 208 | result.addContent(getInheritedTagletOutput (isNonTypeParams, holder, |
aoqi@0 | 209 | writer, formalParameters, alreadyDocumented)); |
aoqi@0 | 210 | } |
aoqi@0 | 211 | return result; |
aoqi@0 | 212 | } |
aoqi@0 | 213 | |
aoqi@0 | 214 | /** |
aoqi@0 | 215 | * Loop through each indivitual parameter. It it does not have a |
aoqi@0 | 216 | * corresponding param tag, try to inherit it. |
aoqi@0 | 217 | */ |
aoqi@0 | 218 | private Content getInheritedTagletOutput(boolean isNonTypeParams, Doc holder, |
aoqi@0 | 219 | TagletWriter writer, Object[] formalParameters, |
aoqi@0 | 220 | Set<String> alreadyDocumented) { |
aoqi@0 | 221 | Content result = writer.getOutputInstance(); |
aoqi@0 | 222 | if ((! alreadyDocumented.contains(null)) && |
aoqi@0 | 223 | holder instanceof MethodDoc) { |
aoqi@0 | 224 | for (int i = 0; i < formalParameters.length; i++) { |
aoqi@0 | 225 | if (alreadyDocumented.contains(String.valueOf(i))) { |
aoqi@0 | 226 | continue; |
aoqi@0 | 227 | } |
aoqi@0 | 228 | //This parameter does not have any @param documentation. |
aoqi@0 | 229 | //Try to inherit it. |
aoqi@0 | 230 | DocFinder.Output inheritedDoc = |
aoqi@0 | 231 | DocFinder.search(new DocFinder.Input((MethodDoc) holder, this, |
aoqi@0 | 232 | String.valueOf(i), ! isNonTypeParams)); |
aoqi@0 | 233 | if (inheritedDoc.inlineTags != null && |
aoqi@0 | 234 | inheritedDoc.inlineTags.length > 0) { |
aoqi@0 | 235 | result.addContent( |
aoqi@0 | 236 | processParamTag(isNonTypeParams, writer, |
aoqi@0 | 237 | (ParamTag) inheritedDoc.holderTag, |
aoqi@0 | 238 | isNonTypeParams ? |
aoqi@0 | 239 | ((Parameter) formalParameters[i]).name(): |
aoqi@0 | 240 | ((TypeVariable) formalParameters[i]).typeName(), |
aoqi@0 | 241 | alreadyDocumented.size() == 0)); |
aoqi@0 | 242 | } |
aoqi@0 | 243 | alreadyDocumented.add(String.valueOf(i)); |
aoqi@0 | 244 | } |
aoqi@0 | 245 | } |
aoqi@0 | 246 | return result; |
aoqi@0 | 247 | } |
aoqi@0 | 248 | |
aoqi@0 | 249 | /** |
aoqi@0 | 250 | * Given an array of <code>Tag</code>s representing this custom |
aoqi@0 | 251 | * tag, return its string representation. Print a warning for param |
aoqi@0 | 252 | * tags that do not map to parameters. Print a warning for param |
aoqi@0 | 253 | * tags that are duplicated. |
aoqi@0 | 254 | * |
aoqi@0 | 255 | * @param paramTags the array of <code>ParamTag</code>s to convert. |
aoqi@0 | 256 | * @param writer the TagletWriter that will write this tag. |
aoqi@0 | 257 | * @param alreadyDocumented the set of exceptions that have already |
aoqi@0 | 258 | * been documented. |
aoqi@0 | 259 | * @param rankMap a {@link java.util.Map} which holds ordering |
aoqi@0 | 260 | * information about the parameters. |
aoqi@0 | 261 | * @param rankMap a {@link java.util.Map} which holds a mapping |
aoqi@0 | 262 | * of a rank of a parameter to its name. This is |
aoqi@0 | 263 | * used to ensure that the right name is used |
aoqi@0 | 264 | * when parameter documentation is inherited. |
aoqi@0 | 265 | * @return the Content representation of this <code>Tag</code>. |
aoqi@0 | 266 | */ |
aoqi@0 | 267 | private Content processParamTags(boolean isNonTypeParams, |
aoqi@0 | 268 | ParamTag[] paramTags, Map<String, String> rankMap, TagletWriter writer, |
aoqi@0 | 269 | Set<String> alreadyDocumented) { |
aoqi@0 | 270 | Content result = writer.getOutputInstance(); |
aoqi@0 | 271 | if (paramTags.length > 0) { |
aoqi@0 | 272 | for (int i = 0; i < paramTags.length; ++i) { |
aoqi@0 | 273 | ParamTag pt = paramTags[i]; |
aoqi@0 | 274 | String paramName = isNonTypeParams ? |
aoqi@0 | 275 | pt.parameterName() : "<" + pt.parameterName() + ">"; |
aoqi@0 | 276 | if (! rankMap.containsKey(pt.parameterName())) { |
aoqi@0 | 277 | writer.getMsgRetriever().warning(pt.position(), |
aoqi@0 | 278 | isNonTypeParams ? |
aoqi@0 | 279 | "doclet.Parameters_warn" : |
aoqi@0 | 280 | "doclet.Type_Parameters_warn", |
aoqi@0 | 281 | paramName); |
aoqi@0 | 282 | } |
aoqi@0 | 283 | String rank = rankMap.get(pt.parameterName()); |
aoqi@0 | 284 | if (rank != null && alreadyDocumented.contains(rank)) { |
aoqi@0 | 285 | writer.getMsgRetriever().warning(pt.position(), |
aoqi@0 | 286 | isNonTypeParams ? |
aoqi@0 | 287 | "doclet.Parameters_dup_warn" : |
aoqi@0 | 288 | "doclet.Type_Parameters_dup_warn", |
aoqi@0 | 289 | paramName); |
aoqi@0 | 290 | } |
aoqi@0 | 291 | result.addContent(processParamTag(isNonTypeParams, writer, pt, |
aoqi@0 | 292 | pt.parameterName(), alreadyDocumented.size() == 0)); |
aoqi@0 | 293 | alreadyDocumented.add(rank); |
aoqi@0 | 294 | } |
aoqi@0 | 295 | } |
aoqi@0 | 296 | return result; |
aoqi@0 | 297 | } |
aoqi@0 | 298 | /** |
aoqi@0 | 299 | * Convert the individual ParamTag into Content. |
aoqi@0 | 300 | * |
aoqi@0 | 301 | * @param isNonTypeParams true if this is just a regular param tag. False |
aoqi@0 | 302 | * if this is a type param tag. |
aoqi@0 | 303 | * @param writer the taglet writer for output writing. |
aoqi@0 | 304 | * @param paramTag the tag whose inline tags will be printed. |
aoqi@0 | 305 | * @param name the name of the parameter. We can't rely on |
aoqi@0 | 306 | * the name in the param tag because we might be |
aoqi@0 | 307 | * inheriting documentation. |
aoqi@0 | 308 | * @param isFirstParam true if this is the first param tag being printed. |
aoqi@0 | 309 | * |
aoqi@0 | 310 | */ |
aoqi@0 | 311 | private Content processParamTag(boolean isNonTypeParams, |
aoqi@0 | 312 | TagletWriter writer, ParamTag paramTag, String name, |
aoqi@0 | 313 | boolean isFirstParam) { |
aoqi@0 | 314 | Content result = writer.getOutputInstance(); |
aoqi@0 | 315 | String header = writer.configuration().getText( |
aoqi@0 | 316 | isNonTypeParams ? "doclet.Parameters" : "doclet.TypeParameters"); |
aoqi@0 | 317 | if (isFirstParam) { |
aoqi@0 | 318 | result.addContent(writer.getParamHeader(header)); |
aoqi@0 | 319 | } |
aoqi@0 | 320 | result.addContent(writer.paramTagOutput(paramTag, |
aoqi@0 | 321 | name)); |
aoqi@0 | 322 | return result; |
aoqi@0 | 323 | } |
aoqi@0 | 324 | } |