| /* |
| * 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.web.el; |
| |
| import com.sun.el.parser.Node; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import javax.el.ELException; |
| import org.netbeans.modules.csl.api.Error; |
| import org.netbeans.modules.csl.api.OffsetRange; |
| import org.netbeans.modules.csl.api.Severity; |
| import org.netbeans.modules.csl.spi.ParserResult; |
| import org.netbeans.modules.parsing.api.Snapshot; |
| import org.openide.filesystems.FileObject; |
| |
| /** |
| * {@code ParserResult} for Expression Language expressions. |
| * |
| * @author Erno Mononen |
| */ |
| public final class ELParserResult extends ParserResult { |
| |
| private final List<ELElement> elements = new ArrayList<>(); |
| |
| private final FileObject file; |
| |
| public ELParserResult(Snapshot snapshot) { |
| super(snapshot); |
| this.file = snapshot.getSource().getFileObject(); |
| } |
| |
| public ELParserResult(FileObject fo) { |
| super(null); |
| this.file = fo; |
| } |
| |
| public ELElement addValidElement(Node node, ELPreprocessor expression, OffsetRange embeddedOffset) { |
| ELElement element = ELElement.valid(node, expression, embeddedOffset, getSnapshot()); |
| add(element); |
| return element; |
| } |
| |
| public ELElement addErrorElement(ELException error, ELPreprocessor expression, OffsetRange embeddedOffset) { |
| ELElement element = ELElement.error(error, expression, embeddedOffset, getSnapshot()); |
| add(element); |
| return element; |
| } |
| |
| public List<ELElement> getElements() { |
| return Collections.unmodifiableList(elements); |
| } |
| |
| public ELElement getElementAt(int offset) { |
| for (ELElement each : elements) { |
| if (each.getOriginalOffset().containsInclusive(offset)) { |
| return each; |
| } |
| } |
| return null; |
| } |
| |
| public List<ELElement> getElementsTo(int offset) { |
| List<ELElement> result = new ArrayList<>(); |
| for (ELElement each : elements) { |
| if (each.getOriginalOffset().getStart() < offset) { |
| result.add(each); |
| } |
| } |
| return result; |
| } |
| |
| private boolean add(ELElement element) { |
| return elements.add(element); |
| } |
| |
| public FileObject getFileObject() { |
| return file; |
| } |
| |
| public boolean hasElements() { |
| return !elements.isEmpty(); |
| } |
| |
| /** |
| * @return true if the result contains only valid EL expressions; |
| * false otherwise. |
| */ |
| public boolean isValid() { |
| for (ELElement each : elements) { |
| if (!each.isValid()) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| @Override |
| protected void invalidate() { |
| } |
| |
| @Override |
| public String toString() { |
| return "ELParserResult{" + "fileObject=" + getFileObject() + "elements=" + elements + '}'; |
| } |
| |
| @Override |
| public List<? extends Error> getDiagnostics() { |
| List<ELError> result = new ArrayList<>(); |
| for (ELElement each : elements) { |
| if (!each.isValid()) { |
| result.add(new ELError(each, file)); |
| } |
| } |
| return result; |
| } |
| |
| private static class ELError implements Error.Badging { |
| |
| private final ELElement errorElement; |
| private final FileObject file; |
| |
| public ELError(ELElement errorElement, FileObject file) { |
| this.errorElement = errorElement; |
| this.file = file; |
| } |
| |
| @Override |
| public String getDisplayName() { |
| return errorElement.getError().getLocalizedMessage(); |
| } |
| |
| @Override |
| public String getDescription() { |
| return errorElement.getError().getLocalizedMessage(); |
| } |
| |
| @Override |
| public String getKey() { |
| return null; |
| } |
| |
| @Override |
| public FileObject getFile() { |
| return file; |
| } |
| |
| @Override |
| public int getStartPosition() { |
| return errorElement.getEmbeddedOffset().getStart(); |
| } |
| |
| @Override |
| public int getEndPosition() { |
| return errorElement.getEmbeddedOffset().getEnd(); |
| } |
| |
| @Override |
| public boolean isLineError() { |
| return false; |
| } |
| |
| @Override |
| public Severity getSeverity() { |
| return Severity.ERROR; |
| } |
| |
| @Override |
| public Object[] getParameters() { |
| return new Object[0]; |
| } |
| |
| @Override |
| public boolean showExplorerBadge() { |
| return true; |
| } |
| } |
| } |