| /* |
| * Copyright 2000-2011 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; |
| |
| import com.intellij.lexer.Lexer; |
| import com.intellij.openapi.util.Key; |
| import com.intellij.psi.impl.cache.impl.id.IdIndexEntry; |
| import com.intellij.psi.impl.cache.impl.id.IdTableBuilding; |
| import com.intellij.psi.impl.cache.impl.id.LexerBasedIdIndexer; |
| import com.intellij.psi.impl.cache.impl.todo.TodoIndexEntry; |
| import com.intellij.psi.search.IndexPattern; |
| import com.intellij.util.indexing.FileContent; |
| import com.intellij.util.indexing.IdDataConsumer; |
| import gnu.trove.THashMap; |
| |
| import java.util.Collections; |
| import java.util.Map; |
| |
| public class BaseFilterLexerUtil { |
| private static final Key<ScanContent> scanContentKey = Key.create("id.todo.scan.content"); |
| |
| public static ScanContent scanContent(FileContent content, IdAndToDoScannerBasedOnFilterLexer indexer) { |
| ScanContent data = content.getUserData(scanContentKey); |
| if (data != null) { |
| content.putUserData(scanContentKey, null); |
| return data; |
| } |
| |
| final boolean needTodo = content.getFile().isInLocalFileSystem(); // same as TodoIndex.getFilter().isAcceptable |
| final boolean needIdIndex = IdTableBuilding.getFileTypeIndexer(content.getFileType()) instanceof LexerBasedIdIndexer; |
| |
| final IdDataConsumer consumer = needIdIndex? new IdDataConsumer():null; |
| final OccurrenceConsumer todoOccurrenceConsumer = new OccurrenceConsumer(consumer, needTodo); |
| final Lexer filterLexer = indexer.createLexer(todoOccurrenceConsumer); |
| filterLexer.start(content.getContentAsText()); |
| |
| while (filterLexer.getTokenType() != null) filterLexer.advance(); |
| |
| Map<TodoIndexEntry,Integer> todoMap = null; |
| if (needTodo) { |
| for (IndexPattern indexPattern : IndexPatternUtil.getIndexPatterns()) { |
| final int count = todoOccurrenceConsumer.getOccurrenceCount(indexPattern); |
| if (count > 0) { |
| if (todoMap == null) todoMap = new THashMap<TodoIndexEntry, Integer>(); |
| todoMap.put(new TodoIndexEntry(indexPattern.getPatternString(), indexPattern.isCaseSensitive()), count); |
| } |
| } |
| } |
| |
| data = new ScanContent( |
| consumer != null? consumer.getResult():Collections.<IdIndexEntry, Integer>emptyMap(), |
| todoMap != null ? todoMap: Collections.<TodoIndexEntry,Integer>emptyMap() |
| ); |
| if (needIdIndex && needTodo) content.putUserData(scanContentKey, data); |
| return data; |
| } |
| |
| public static class ScanContent { |
| public final Map<IdIndexEntry, Integer> idMap; |
| public final Map<TodoIndexEntry,Integer> todoMap; |
| |
| public ScanContent(Map<IdIndexEntry, Integer> _idMap, Map<TodoIndexEntry, Integer> _todoMap) { |
| idMap = _idMap; |
| todoMap = _todoMap; |
| } |
| } |
| } |