| /* |
| * Copyright 2000-2012 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 com.intellij.psi.impl.cache.impl.idCache; |
| |
| import com.intellij.lexer.Lexer; |
| import com.intellij.psi.JavaTokenType; |
| import com.intellij.psi.TokenType; |
| import com.intellij.psi.impl.cache.impl.BaseFilterLexer; |
| import com.intellij.psi.impl.cache.impl.OccurrenceConsumer; |
| import com.intellij.psi.impl.source.tree.ElementType; |
| import com.intellij.psi.search.UsageSearchContext; |
| import com.intellij.psi.tree.IElementType; |
| import com.intellij.psi.tree.TokenSet; |
| |
| /** |
| * @author ven |
| */ |
| public class JavaFilterLexer extends BaseFilterLexer { |
| private static final TokenSet ourSkipWordsScanSet = TokenSet.orSet( |
| TokenSet.create( |
| TokenType.WHITE_SPACE, |
| JavaTokenType.LPARENTH, |
| JavaTokenType.RPARENTH, |
| JavaTokenType.LBRACE, |
| JavaTokenType.RBRACE, |
| JavaTokenType.LBRACKET, |
| JavaTokenType.RBRACKET, |
| JavaTokenType.SEMICOLON, |
| JavaTokenType.COMMA, |
| JavaTokenType.DOT, |
| JavaTokenType.ELLIPSIS, |
| JavaTokenType.AT |
| ), |
| ElementType.OPERATION_BIT_SET |
| ); |
| |
| public JavaFilterLexer(final Lexer originalLexer, final OccurrenceConsumer table) { |
| super(originalLexer, table); |
| } |
| |
| @Override |
| public void advance() { |
| final IElementType tokenType = myDelegate.getTokenType(); |
| |
| if (tokenType == JavaTokenType.IDENTIFIER |
| || tokenType == JavaTokenType.LONG_LITERAL |
| || tokenType == JavaTokenType.INTEGER_LITERAL |
| || tokenType == JavaTokenType.CHARACTER_LITERAL) { |
| addOccurrenceInToken(UsageSearchContext.IN_CODE); |
| } |
| else if (tokenType == JavaTokenType.STRING_LITERAL) { |
| scanWordsInToken(UsageSearchContext.IN_STRINGS | UsageSearchContext.IN_FOREIGN_LANGUAGES, false, true); |
| } |
| else if (ElementType.JAVA_COMMENT_BIT_SET.contains(tokenType)) { |
| scanWordsInToken(UsageSearchContext.IN_COMMENTS, false, false); |
| advanceTodoItemCountsInToken(); |
| } |
| else if (!ourSkipWordsScanSet.contains(tokenType)) { |
| scanWordsInToken(UsageSearchContext.IN_PLAIN_TEXT, false, false); |
| } |
| |
| myDelegate.advance(); |
| } |
| } |