| /* |
| * 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.jshell.model; |
| |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Optional; |
| import org.netbeans.modules.jshell.support.ShellSession; |
| import org.netbeans.modules.parsing.api.ResultIterator; |
| import org.netbeans.modules.parsing.api.Snapshot; |
| import org.netbeans.modules.parsing.spi.ParseException; |
| import org.netbeans.modules.parsing.spi.Parser; |
| |
| /** |
| * A snippet-based model built on top of {@link ConsoleModel} by the parsing API. |
| * |
| * @author sdedic |
| */ |
| public final class ConsoleContents extends Parser.Result { |
| private final ShellSession session; |
| /** |
| * A snapshot of the console model. |
| */ |
| private final ConsoleModel consoleSnapshot; |
| |
| private final Map<ConsoleSection, List<SnippetHandle>> snippets = new HashMap<>(); |
| |
| private volatile boolean invalidated; |
| |
| ConsoleContents(ShellSession session, ConsoleModel consoleSnapshot, Snapshot _snapshot) { |
| super(_snapshot); |
| this.session = session; |
| this.consoleSnapshot = consoleSnapshot; |
| } |
| |
| public ShellSession getSession() { |
| return session; |
| } |
| |
| public ConsoleModel getSectionModel() { |
| return consoleSnapshot; |
| } |
| |
| @Override |
| protected void invalidate() { |
| invalidated = true; |
| } |
| |
| void installSnippetHandles(ConsoleSection s, List<SnippetHandle> handles) { |
| if (handles != null) { |
| this.snippets.put(s, handles); |
| } |
| } |
| |
| public List<SnippetHandle> getHandles(ConsoleSection s) { |
| if (!s.getType().java) { |
| return Collections.emptyList(); |
| } |
| List<SnippetHandle> res = snippets.get(s); |
| if (res != null) { |
| return res; |
| } |
| return Collections.emptyList(); |
| } |
| |
| public static ConsoleContents get(ResultIterator iter) throws ParseException { |
| Parser.Result r = iter.getParserResult(); |
| if (!(r instanceof ConsoleContents)) { |
| return null; |
| } |
| return (ConsoleContents)r; |
| } |
| |
| private ConsoleSection input; |
| |
| public ConsoleSection getInputSection() { |
| if (input == null) { |
| input = consoleSnapshot.parseInputSection(getSnapshot().getText()); |
| } |
| return input; |
| } |
| |
| public Optional<SnippetHandle> findSnippetAt(int position) { |
| return getSectionModel().getSections().stream(). |
| filter( |
| (s) -> s.getStart() <= position && s.getEnd() >= position). |
| findFirst().map( |
| (section) -> |
| getHandles(section).stream().filter( |
| (h) -> h.contains(position) |
| ).findFirst().orElse(null) |
| |
| ); |
| } |
| |
| public Optional<ConsoleSection> findSectionAt(int position) { |
| return getSectionModel().getSections().stream().filter( |
| (s) -> s.getStart() <= position && s.getEnd() >= position). |
| findFirst(); |
| } |
| } |