| /* |
| * Copyright 2000-2014 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.jetbrains.plugins.groovy.lang.groovydoc.parser.parsing; |
| |
| import com.intellij.lang.PsiBuilder; |
| import com.intellij.psi.tree.IElementType; |
| import com.intellij.psi.tree.TokenSet; |
| import org.jetbrains.annotations.NonNls; |
| import org.jetbrains.plugins.groovy.lang.groovydoc.lexer.GroovyDocTokenTypes; |
| import org.jetbrains.plugins.groovy.lang.groovydoc.parser.GroovyDocElementTypes; |
| import org.jetbrains.plugins.groovy.lang.parser.parsing.util.ParserUtils; |
| |
| /** |
| * @author ilyas |
| */ |
| public class GroovyDocParsing { |
| |
| |
| static enum RESULT { |
| ERROR, METHOD, FIELD |
| } |
| |
| @NonNls |
| private static final String SEE_TAG = "@see"; |
| @NonNls |
| private static final String LINK_TAG = "@link"; |
| @NonNls |
| private static final String LINKPLAIN_TAG = "@linkplain"; |
| @NonNls |
| private static final String THROWS_TAG = "@throws"; |
| @NonNls |
| private static final String EXCEPTION_TAG = "@exception"; |
| @NonNls |
| private static final String PARAM_TAG = "@param"; |
| @NonNls |
| private static final String VALUE_TAG = "@value"; |
| |
| private static final TokenSet REFERENCE_BEGIN = TokenSet.create(GroovyDocTokenTypes.mGDOC_TAG_VALUE_TOKEN, |
| GroovyDocTokenTypes.mGDOC_TAG_VALUE_SHARP_TOKEN); |
| |
| private boolean isInInlinedTag = false; |
| private int myBraceCounter = 0; |
| |
| |
| public boolean parse(PsiBuilder builder) { |
| |
| while (parseDataItem(builder)){ /*do nothing*/} |
| |
| if (builder.getTokenType() == GroovyDocTokenTypes.mGDOC_COMMENT_END) { |
| while (!builder.eof()) { |
| builder.advanceLexer(); |
| } |
| } |
| return true; |
| } |
| |
| /** |
| * Parses doc comment at toplevel |
| * |
| * @param builder given builder |
| * @return false in case of commnet end |
| */ |
| private boolean parseDataItem(PsiBuilder builder) { |
| if (timeToEnd(builder)) return false; |
| if (ParserUtils.lookAhead(builder, GroovyDocTokenTypes.mGDOC_INLINE_TAG_START, GroovyDocTokenTypes.mGDOC_TAG_NAME) && !isInInlinedTag) { |
| isInInlinedTag = true; |
| parseTag(builder); |
| } else if (GroovyDocTokenTypes.mGDOC_TAG_NAME == builder.getTokenType() && !isInInlinedTag) { |
| parseTag(builder); |
| } else { |
| builder.advanceLexer(); |
| } |
| return true; |
| } |
| |
| private static boolean timeToEnd(PsiBuilder builder) { |
| return builder.eof() || builder.getTokenType() == GroovyDocTokenTypes.mGDOC_COMMENT_END; |
| } |
| |
| private boolean parseTag(PsiBuilder builder) { |
| PsiBuilder.Marker marker = builder.mark(); |
| if (isInInlinedTag) { |
| ParserUtils.getToken(builder, GroovyDocTokenTypes.mGDOC_INLINE_TAG_START); |
| } |
| assert builder.getTokenType() == GroovyDocTokenTypes.mGDOC_TAG_NAME; |
| String tagName = builder.getTokenText(); |
| builder.advanceLexer(); |
| |
| if (isInInlinedTag) { |
| if (LINK_TAG.equals(tagName) || LINKPLAIN_TAG.equals(tagName) || VALUE_TAG.equals(tagName)) { |
| parseSeeOrLinkTagReference(builder); |
| } |
| } else { |
| if (THROWS_TAG.equals(tagName) || EXCEPTION_TAG.equals(tagName)) { |
| parseReferenceOrType(builder); |
| } else if (SEE_TAG.equals(tagName)) { |
| parseSeeOrLinkTagReference(builder); |
| } else if (PARAM_TAG.equals(tagName)) { |
| parseParamTagReference(builder); |
| } |
| } |
| |
| |
| while (!timeToEnd(builder)) { |
| if (isInInlinedTag) { |
| if (builder.getTokenType() == GroovyDocTokenTypes.mGDOC_INLINE_TAG_START) { |
| myBraceCounter++; |
| builder.advanceLexer(); |
| } else if (builder.getTokenType() == GroovyDocTokenTypes.mGDOC_INLINE_TAG_END) { |
| if (myBraceCounter > 0) { |
| myBraceCounter--; |
| builder.advanceLexer(); |
| } else { |
| builder.advanceLexer(); |
| isInInlinedTag = false; |
| marker.done(GroovyDocElementTypes.GDOC_INLINED_TAG); |
| return true; |
| } |
| } else { |
| builder.advanceLexer(); |
| } |
| } else if (ParserUtils.lookAhead(builder, GroovyDocTokenTypes.mGDOC_INLINE_TAG_START, GroovyDocTokenTypes.mGDOC_TAG_NAME)) { |
| isInInlinedTag = true; |
| parseTag(builder); |
| } else if (GroovyDocTokenTypes.mGDOC_TAG_NAME == builder.getTokenType()) { |
| marker.done(GroovyDocElementTypes.GDOC_TAG); |
| return true; |
| } else { |
| builder.advanceLexer(); |
| } |
| } |
| marker.done(isInInlinedTag ? GroovyDocElementTypes.GDOC_INLINED_TAG : GroovyDocElementTypes.GDOC_TAG); |
| isInInlinedTag = false; |
| return true; |
| } |
| |
| private boolean parseParamTagReference(PsiBuilder builder) { |
| PsiBuilder.Marker marker = builder.mark(); |
| if (GroovyDocTokenTypes.mGDOC_TAG_VALUE_TOKEN == builder.getTokenType()) { |
| builder.advanceLexer(); |
| marker.done(GroovyDocElementTypes.GDOC_PARAM_REF); |
| return true; |
| } else if (ParserUtils.lookAhead(builder, GroovyDocTokenTypes.mGDOC_TAG_VALUE_LT, GroovyDocTokenTypes.mGDOC_TAG_VALUE_TOKEN)) { |
| builder.advanceLexer(); |
| builder.getTokenText(); //todo stub for peter |
| builder.advanceLexer(); |
| if (GroovyDocTokenTypes.mGDOC_TAG_VALUE_GT == builder.getTokenType()) { |
| builder.advanceLexer(); |
| } |
| marker.done(GroovyDocElementTypes.GDOC_PARAM_REF); |
| return true; |
| } |
| marker.drop(); |
| return false; |
| } |
| |
| private boolean parseSeeOrLinkTagReference(PsiBuilder builder) { |
| IElementType type = builder.getTokenType(); |
| if (!REFERENCE_BEGIN.contains(type)) return false; |
| PsiBuilder.Marker marker = builder.mark(); |
| if (GroovyDocTokenTypes.mGDOC_TAG_VALUE_TOKEN == type) { |
| builder.advanceLexer(); |
| } |
| if (GroovyDocTokenTypes.mGDOC_TAG_VALUE_SHARP_TOKEN == builder.getTokenType()) { |
| builder.advanceLexer(); |
| RESULT result = parseFieldOrMethod(builder); |
| if (result == RESULT.ERROR) { |
| marker.drop(); |
| } |
| else if (result == RESULT.METHOD) { |
| marker.done(GroovyDocElementTypes.GDOC_METHOD_REF); |
| } |
| else { |
| marker.done(GroovyDocElementTypes.GDOC_FIELD_REF); |
| } |
| return true; |
| } |
| marker.drop(); |
| return true; |
| } |
| |
| private RESULT parseFieldOrMethod(PsiBuilder builder) { |
| if (builder.getTokenType() != GroovyDocTokenTypes.mGDOC_TAG_VALUE_TOKEN) return RESULT.ERROR; |
| builder.advanceLexer(); |
| PsiBuilder.Marker params = builder.mark(); |
| if (GroovyDocTokenTypes.mGDOC_TAG_VALUE_LPAREN != builder.getTokenType()) { |
| params.drop(); |
| return RESULT.FIELD; |
| } |
| builder.advanceLexer(); |
| while (parseMethodParameter(builder) && !timeToEnd(builder)) { |
| while (GroovyDocTokenTypes.mGDOC_TAG_VALUE_COMMA != builder.getTokenType() && |
| GroovyDocTokenTypes.mGDOC_TAG_VALUE_RPAREN != builder.getTokenType() && |
| !timeToEnd(builder)) { |
| builder.advanceLexer(); |
| } |
| while (GroovyDocTokenTypes.mGDOC_TAG_VALUE_COMMA == builder.getTokenType()) { |
| builder.advanceLexer(); |
| } |
| } |
| if (builder.getTokenType() == GroovyDocTokenTypes.mGDOC_TAG_VALUE_RPAREN) { |
| builder.advanceLexer(); |
| } |
| params.done(GroovyDocElementTypes.GDOC_METHOD_PARAMS); |
| return RESULT.METHOD; |
| } |
| |
| private boolean parseMethodParameter(PsiBuilder builder) { |
| PsiBuilder.Marker param = builder.mark(); |
| if (GroovyDocTokenTypes.mGDOC_TAG_VALUE_TOKEN == builder.getTokenType()) { |
| builder.advanceLexer(); |
| } else { |
| param.drop(); |
| return false; |
| } |
| |
| if (GroovyDocTokenTypes.mGDOC_TAG_VALUE_TOKEN == builder.getTokenType()) { |
| builder.advanceLexer(); |
| } |
| param.done(GroovyDocElementTypes.GDOC_METHOD_PARAMETER); |
| |
| return true; |
| } |
| |
| private boolean parseReferenceOrType(PsiBuilder builder) { |
| IElementType type = builder.getTokenType(); |
| if (GroovyDocTokenTypes.mGDOC_TAG_VALUE_TOKEN != type) return false; |
| return true; |
| } |
| |
| |
| } |