| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.netbeans.modules.php.editor; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| import org.netbeans.api.annotations.common.NullAllowed; |
| import org.netbeans.api.lexer.Token; |
| import org.netbeans.api.lexer.TokenHierarchy; |
| import org.netbeans.api.lexer.TokenSequence; |
| import org.netbeans.modules.parsing.api.Embedding; |
| import org.netbeans.modules.parsing.api.Snapshot; |
| import org.netbeans.modules.parsing.spi.EmbeddingProvider; |
| import org.netbeans.modules.parsing.spi.SchedulerTask; |
| import org.netbeans.modules.parsing.spi.TaskFactory; |
| import org.netbeans.modules.php.editor.lexer.PHPTokenId; |
| import org.netbeans.modules.php.editor.parser.GSFPHPParser; |
| import org.openide.filesystems.FileObject; |
| import org.openide.filesystems.FileUtil; |
| |
| /** |
| * Provides model for html code. |
| * |
| * @author Marek Fukala |
| */ |
| public class PhpEmbeddingProvider extends EmbeddingProvider { |
| |
| public static final String GENERATED_CODE = "@@@"; //NOI18N |
| private static final int MAX_EMBEDDING_LENGTH = 5000000; //cca 5M |
| private static final Logger LOGGER = Logger.getLogger(PhpEmbeddingProvider.class.getName()); |
| private static final String HTML_MIME_TYPE = "text/html"; //NOI18N |
| |
| @Override |
| public List<Embedding> getEmbeddings(Snapshot snapshot) { |
| if (!GSFPHPParser.PARSE_BIG_FILES) { |
| FileObject fileObject = snapshot.getSource().getFileObject(); |
| long textSize = getTextSize(fileObject, snapshot); |
| if (textSize > GSFPHPParser.BIG_FILE_SIZE) { |
| LOGGER.log(Level.INFO, "Parsing of big file cancelled. Size: {0} Name: {1}", |
| new Object[] {textSize, fileObject != null ? FileUtil.getFileDisplayName(fileObject) : "<no file>"}); |
| return Collections.emptyList(); |
| } |
| } |
| |
| TokenHierarchy<?> th = snapshot.getTokenHierarchy(); |
| TokenSequence<PHPTokenId> sequence = th.tokenSequence(PHPTokenId.language()); |
| |
| //issue #159775 logging >>> |
| if (sequence == null) { |
| Logger.getLogger("PhpEmbeddingProvider").log( |
| Level.WARNING, |
| "TokenHierarchy.tokenSequence(PhpTokenId.language()) == null " + "for static immutable PHP TokenHierarchy!\nFile = ''{0}'' ;snapshot mimepath=''{1}''", |
| new Object[]{snapshot.getSource().getFileObject().getPath(), snapshot.getMimePath()}); |
| |
| return Collections.emptyList(); |
| } |
| //<<< end of the logging |
| |
| sequence.moveStart(); |
| List<Embedding> embeddings = new ArrayList<>(); |
| |
| //marek (workaround): there seems to be a bug in parsing api - if I create |
| //the embedding for each PHPTokenId.T_INLINE_HTML token separatelly then the offsets |
| //translation is broken |
| int from = -1; |
| int len = 0; |
| while (sequence.moveNext()) { |
| Token t = sequence.token(); |
| if (t.id() == PHPTokenId.T_INLINE_HTML) { |
| if (from < 0) { |
| from = sequence.offset(); |
| } |
| len += t.length(); |
| } else { |
| if (from >= 0) { |
| //lets suppose the text is always html :-( |
| createHtmlEmbedding(embeddings, snapshot, from, len); |
| //add only one virtual generated token for a sequence of PHP tokens |
| embeddings.add(snapshot.create(GENERATED_CODE, HTML_MIME_TYPE)); |
| } |
| |
| from = -1; |
| len = 0; |
| } |
| } |
| |
| if (from >= 0) { |
| createHtmlEmbedding(embeddings, snapshot, from, len); |
| } |
| |
| if (embeddings.isEmpty()) { |
| //always embed html even if there isn't any |
| //this causes the parsing api to run tasks registered to text/html |
| //even if there isn't any html content |
| return Collections.singletonList(snapshot.create("", HTML_MIME_TYPE)); |
| } else { |
| return Collections.singletonList(Embedding.create(embeddings)); |
| } |
| } |
| |
| private static void createHtmlEmbedding(List<Embedding> embeddings, Snapshot snapshot, int from, int length) { |
| assert embeddings != null; |
| assert snapshot != null; |
| if (length <= MAX_EMBEDDING_LENGTH) { |
| embeddings.add(snapshot.create(from, length, HTML_MIME_TYPE)); //NOI18N |
| } else { |
| LOGGER.log(Level.FINE, "HTML embedding wasn''t created - from: {0}, length: {1}", new Object[] {from, length}); |
| } |
| } |
| |
| @Override |
| public int getPriority() { |
| return 110; |
| } |
| |
| @Override |
| public void cancel() { |
| //do nothing |
| } |
| |
| private long getTextSize(@NullAllowed FileObject fileObject, Snapshot snapshot) { |
| if (fileObject != null) { |
| return fileObject.getSize(); |
| } |
| return snapshot.getText().length(); |
| } |
| |
| public static final class Factory extends TaskFactory { |
| |
| @Override |
| public Collection<SchedulerTask> create(final Snapshot snapshot) { |
| return Collections.<SchedulerTask>singletonList(new PhpEmbeddingProvider()); |
| } |
| } |
| } |