dbalek commented on code in PR #7691: URL: https://github.com/apache/netbeans/pull/7691#discussion_r1731236664
########## enterprise/micronaut/src/org/netbeans/modules/micronaut/hints/MicronautConfigErrorProvider.java: ########## @@ -0,0 +1,225 @@ +/* + * 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.micronaut.hints; + +import java.io.File; +import java.io.FileOutputStream; +import java.io.IOException; +import java.io.OutputStreamWriter; +import java.io.PrintWriter; +import java.nio.charset.StandardCharsets; +import java.util.ArrayList; +import java.util.Collections; +import java.util.List; +import java.util.function.Consumer; +import org.netbeans.api.editor.mimelookup.MimeRegistration; +import org.netbeans.api.editor.mimelookup.MimeRegistrations; +import org.netbeans.api.lsp.Diagnostic; +import org.netbeans.modules.csl.api.StructureItem; +import org.netbeans.modules.csl.api.StructureScanner; +import org.netbeans.modules.csl.core.Language; +import org.netbeans.modules.csl.core.LanguageRegistry; +import org.netbeans.modules.csl.spi.ParserResult; +import org.netbeans.modules.micronaut.MicronautConfigUtilities; +import org.netbeans.modules.micronaut.symbol.MicronautSymbolFinder; +import org.netbeans.modules.parsing.api.ParserManager; +import org.netbeans.modules.parsing.api.ResultIterator; +import org.netbeans.modules.parsing.api.Snapshot; +import org.netbeans.modules.parsing.api.Source; +import org.netbeans.modules.parsing.api.UserTask; +import org.netbeans.modules.parsing.spi.ParseException; +import org.netbeans.modules.parsing.spi.Parser; +import org.netbeans.modules.parsing.spi.indexing.CustomIndexer; +import org.netbeans.modules.parsing.spi.indexing.CustomIndexerFactory; +import org.netbeans.modules.parsing.spi.indexing.Indexable; +import org.netbeans.spi.lsp.ErrorProvider; +import org.openide.filesystems.FileObject; +import org.openide.filesystems.FileUtil; +import org.openide.util.Exceptions; +import org.openide.util.NbBundle; + +/** + * + * @author Dusan Balek + */ +public class MicronautConfigErrorProvider extends CustomIndexer implements ErrorProvider { + + private static final MicronautConfigErrorProvider INSTANCE = new MicronautConfigErrorProvider(); + + @MimeRegistrations({ + @MimeRegistration(mimeType = MicronautConfigUtilities.YAML_MIME, service = ErrorProvider.class), + @MimeRegistration(mimeType = MicronautConfigUtilities.PROPERTIES_MIME, service = ErrorProvider.class) + }) + public static MicronautConfigErrorProvider createProvider() { + return INSTANCE; + } + + @NbBundle.Messages({ + "ERR_PropertyWithoutValue=Property with unset value" + }) + @Override + public List<? extends Diagnostic> computeErrors(Context context) { + if (context.errorKind() == Kind.ERRORS) { + FileObject fo = context.file(); + if (fo != null && MicronautConfigUtilities.isMicronautConfigFile(fo)) { + return computeErrors(fo); + } + } + return Collections.emptyList(); + } + + @Override + protected void index(Iterable<? extends Indexable> files, org.netbeans.modules.parsing.spi.indexing.Context context) { + FileObject root = context.getRoot(); + for (Indexable file : files) { + FileObject fo = root.getFileObject(file.getRelativePath()); + if (fo != null && MicronautConfigUtilities.isMicronautConfigFile(fo)) { + store(context.getIndexFolder(), file.getRelativePath(), computeErrors(fo)); + } + } + } + + private List<? extends Diagnostic> computeErrors(FileObject fo) { + List<Diagnostic> diags = new ArrayList<>(); + if (MicronautConfigUtilities.YAML_MIME.equals(fo.getMIMEType())) { + try { + ParserManager.parse(Collections.singletonList(Source.create(fo)), new UserTask() { + @Override + public void run(ResultIterator it) throws Exception { + Parser.Result result = it.getParserResult(); + Snapshot snapshot = result != null ? result.getSnapshot() : null; + if (snapshot != null) { + Language language = LanguageRegistry.getInstance().getLanguageByMimeType(snapshot.getMimeType()); + if (language != null) { + StructureScanner scanner = language.getStructure(); + if (scanner != null && result instanceof ParserResult) { + scan(snapshot.getText().toString(), scanner.scan((ParserResult) result), structure -> { + int start = (int) structure.getPosition(); + int end = (int) structure.getEndPosition(); + diags.add(Diagnostic.Builder.create(() -> start, () -> end, Bundle.ERR_PropertyWithoutValue()) + .setSeverity(Diagnostic.Severity.Warning) + .setCode("WARN_PropertyWithoutValue " + start + " - " + end) + .build()); + }); + } + } + } + } + }); + } catch (ParseException ex) { + Exceptions.printStackTrace(ex); + } + } else { + int offset = 0; + for(String line : Source.create(fo).createSnapshot().getText().toString().split("\n")) { + if (line.length() > 0 && !line.startsWith("#") && !line.startsWith("!")) { + int colIdx = line.indexOf(':'); Review Comment: Fixed. 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