| package org.netbeans.modules.javascript2.jade.editor; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| import org.netbeans.api.lexer.Token; |
| import org.netbeans.api.lexer.TokenHierarchy; |
| import org.netbeans.api.lexer.TokenSequence; |
| import org.netbeans.modules.javascript2.jade.editor.lexer.JadeTokenId; |
| import org.netbeans.modules.parsing.api.Embedding; |
| import org.netbeans.modules.parsing.api.Snapshot; |
| import org.netbeans.modules.parsing.spi.EmbeddingProvider; |
| |
| /* |
| * 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. |
| */ |
| /** |
| * |
| * @author Petr Pisl |
| */ |
| @EmbeddingProvider.Registration( |
| mimeType="text/jade", |
| targetMimeType="text/javascript" |
| ) |
| |
| public class JadeJsEmbeddingProvider extends EmbeddingProvider { |
| |
| private static final Logger LOGGER = Logger.getLogger(JadeJsEmbeddingProvider.class.getName()); |
| private static final String JS_MIME_TYPE = "text/javascript"; //NOI18N |
| |
| private static final String SEMICOLON_EOL = ";\n"; //NOI18N |
| private static final String EOL = "\n"; //NOI18N |
| private static final String SCRIPT_TAG_NAME = "script"; // NOI18N |
| |
| @Override |
| public List<Embedding> getEmbeddings(Snapshot snapshot) { |
| TokenHierarchy<?> th = snapshot.getTokenHierarchy(); |
| TokenSequence<JadeTokenId> ts = th.tokenSequence(JadeTokenId.jadeLanguage()); |
| |
| if (ts == null) { |
| LOGGER.log( |
| Level.WARNING, |
| "TokenHierarchy.tokenSequence(JadeTokenId.jadeLanguage()) == null " + "for static immutable Jade TokenHierarchy!\nFile = ''{0}'' ;snapshot mimepath=''{1}''", |
| new Object[]{snapshot.getSource().getFileObject().getPath(), snapshot.getMimePath()}); |
| |
| return Collections.emptyList(); |
| } |
| |
| ts.moveStart(); |
| |
| List<Embedding> embeddings = new ArrayList<>(); |
| |
| int from = -1; |
| int len = 0; |
| Token<JadeTokenId> lastTag = null; |
| Token<JadeTokenId> lastMixing = null; |
| |
| while (ts.moveNext()) { |
| Token<JadeTokenId> token = ts.token(); |
| if (token.id() == JadeTokenId.JAVASCRIPT) { |
| if (from < 0) { |
| from = ts.offset(); |
| } |
| len += token.length(); |
| } else { |
| if (from >= 0) { |
| if (lastMixing != null) { |
| wrapAsFnParameter(snapshot, embeddings, lastMixing.text().toString(), from, len); |
| } else { |
| embeddings.add(snapshot.create(from, len, JS_MIME_TYPE)); |
| addNewLine(snapshot, embeddings, from + len - 1); |
| } |
| } |
| from = -1; |
| len = 0; |
| } |
| if (token.id() == JadeTokenId.TAG) { |
| lastTag = token; |
| lastMixing = null; |
| } |
| if (token.id() == JadeTokenId.MIXIN_NAME) { |
| lastTag = null; |
| lastMixing = token; |
| } |
| if (token.id() == JadeTokenId.PLAIN_TEXT_DELIMITER) { |
| // check whether there is not |
| if (lastTag != null && SCRIPT_TAG_NAME.equals(lastTag.text().toString().toLowerCase()) && ts.moveNext()) { |
| token = ts.token(); |
| while (token.id() == JadeTokenId.EOL && ts.moveNext()) { |
| token = ts.token(); |
| } |
| if (token.id() == JadeTokenId.PLAIN_TEXT || token.id() == JadeTokenId.JAVASCRIPT) { |
| embeddings.add(snapshot.create(ts.offset(), token.length(), JS_MIME_TYPE)); |
| } |
| } |
| } |
| } |
| if (from >= 0) { |
| if (lastMixing != null) { |
| wrapAsFnParameter(snapshot, embeddings, lastMixing.text().toString(), from, len); |
| } else { |
| embeddings.add(snapshot.create(from, len, JS_MIME_TYPE)); |
| addNewLine(snapshot, embeddings, from + len - 1); |
| } |
| } |
| if (embeddings.isEmpty()) { |
| return Collections.emptyList(); |
| } |
| return Collections.singletonList(Embedding.create(embeddings)); |
| } |
| |
| private void addNewLine(Snapshot snapshot, List<Embedding> embeddings, int origOffset) { |
| CharSequence text = snapshot.getText(); |
| int offset = origOffset; |
| while (offset > 0 && Character.isWhitespace(text.charAt(offset))) { |
| offset--; |
| } |
| if (offset > 0 ) { |
| char ch = text.charAt(offset); |
| if (ch == '{' || ch == '}' || ch == '[') { |
| embeddings.add(snapshot.create(EOL, JS_MIME_TYPE)); |
| } else { |
| embeddings.add(snapshot.create(SEMICOLON_EOL, JS_MIME_TYPE)); |
| } |
| } |
| } |
| |
| private void wrapAsFnParameter(Snapshot snapshot, List<Embedding> embeddings, String fnName, int from, int len) { |
| embeddings.add(snapshot.create(fnName + "(", JS_MIME_TYPE)); //NOI18N |
| embeddings.add(snapshot.create(from, len, JS_MIME_TYPE)); |
| embeddings.add(snapshot.create(");\n", JS_MIME_TYPE)); //NOI18N |
| } |
| |
| @Override |
| public int getPriority() { |
| return 202; |
| } |
| |
| @Override |
| public void cancel() { |
| // do nothig for now |
| } |
| |
| } |