| /* |
| * Copyright 2000-2013 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.search; |
| |
| import com.intellij.lang.LanguageParserDefinitions; |
| import com.intellij.lang.ParserDefinition; |
| import com.intellij.lexer.Lexer; |
| import com.intellij.openapi.editor.Document; |
| import com.intellij.openapi.editor.highlighter.EditorHighlighter; |
| import com.intellij.openapi.editor.highlighter.EditorHighlighterFactory; |
| import com.intellij.openapi.editor.impl.EditorHighlighterCache; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import com.intellij.psi.JspPsiUtil; |
| import com.intellij.psi.PsiDocumentManager; |
| import com.intellij.psi.PsiFile; |
| import com.intellij.psi.impl.cache.impl.id.PlatformIdTableBuilding; |
| import com.intellij.psi.impl.source.tree.StdTokenSets; |
| import com.intellij.psi.jsp.JspFile; |
| import com.intellij.psi.jsp.JspTokenType; |
| import com.intellij.psi.tree.IElementType; |
| import com.intellij.psi.tree.TokenSet; |
| import org.jetbrains.annotations.NotNull; |
| |
| /** |
| * @author yole |
| */ |
| public class JspIndexPatternBuilder implements IndexPatternBuilder { |
| @Override |
| public Lexer getIndexingLexer(@NotNull final PsiFile file) { |
| if (JspPsiUtil.isInJspFile(file)) { |
| EditorHighlighter highlighter = null; |
| |
| final Document document = PsiDocumentManager.getInstance(file.getProject()).getDocument(file); |
| final EditorHighlighter cachedEditorHighlighter; |
| boolean alreadyInitializedHighlighter = false; |
| |
| if ((cachedEditorHighlighter = EditorHighlighterCache.getEditorHighlighterForCachesBuilding(document)) != null && |
| PlatformIdTableBuilding.checkCanUseCachedEditorHighlighter(file.getText(), cachedEditorHighlighter)) { |
| highlighter = cachedEditorHighlighter; |
| alreadyInitializedHighlighter = true; |
| } |
| else { |
| final VirtualFile virtualFile = file.getVirtualFile(); |
| if (virtualFile != null) { |
| highlighter = EditorHighlighterFactory.getInstance().createEditorHighlighter(file.getProject(), virtualFile); |
| } |
| } |
| |
| if (highlighter != null) { |
| return new LexerEditorHighlighterLexer(highlighter, alreadyInitializedHighlighter); |
| } |
| } |
| |
| return null; |
| } |
| |
| @Override |
| public TokenSet getCommentTokenSet(@NotNull final PsiFile file) { |
| final JspFile jspFile = JspPsiUtil.getJspFile(file); |
| TokenSet commentTokens = TokenSet.orSet(JavaIndexPatternBuilder.XML_COMMENT_BIT_SET, StdTokenSets.COMMENT_BIT_SET); |
| final ParserDefinition parserDefinition = |
| LanguageParserDefinitions.INSTANCE.forLanguage(jspFile.getViewProvider().getTemplateDataLanguage()); |
| if (parserDefinition != null) { |
| commentTokens = TokenSet.orSet(commentTokens, parserDefinition.getCommentTokens()); |
| } |
| return commentTokens; |
| } |
| |
| @Override |
| public int getCommentStartDelta(final IElementType tokenType) { |
| return tokenType == JspTokenType.JSP_COMMENT ? "<%--".length() : 0; |
| } |
| |
| @Override |
| public int getCommentEndDelta(final IElementType tokenType) { |
| return tokenType == JspTokenType.JSP_COMMENT ? "--%>".length() : 0; |
| } |
| } |