Project parsing 1: added outdated file collector

Signed-off-by: Miklos Magyari miklos.magyari@sigmatechnology.com

lsp/src/main/java/org/eclipse/titan/lsp/parsers/OutdatedFileCollector.java

+/******************************************************************************
+ * Copyright (c) 2000-2023 Ericsson Telecom AB
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v2.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.html
+ ******************************************************************************/
+package org.eclipse.titan.lsp.parsers;
+
+import java.io.IOException;
+import java.nio.file.FileVisitResult;
+import java.nio.file.FileVisitor;
+import java.nio.file.Path;
+import java.nio.file.attribute.BasicFileAttributes;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import org.eclipse.titan.lsp.core.Project;
+import org.eclipse.titan.lsp.core.ProjectItem;
+
+/**
+ * This class is a resource visitor collecting every file in the project which
+ * is not:
+ *
+ * <ul>
+ * <li>under the working directory.
+ * <li>excluded from build.
+ * <li>uptodate.
+ * </ul>
+ * Should be started only on a project.
+ *
+ * @see #analyzeAll(IFile, TTCN3Editor, IProgressMonitor)
+ *
+ * @author Kristof Szabados
+ * @author Miklos Magyari
+ */
+public class OutdatedFileCollector implements FileVisitor<Path> {
+	public static final String TRUE = "true";
+	private static final String DOT = ".";
+	private final Project project;
+	
+	private final Map<Path, String> uptodateFiles;
+	private final Set<Path> highlySyntaxErroneousFiles;
+	private final List<Path> asn1FilesToCheck;
+	private final List<Path> cfgFilesToCheck;
+	private final List<Path> ttcn3FilesToCheck;
+	private final List<Path> ttcninFilesModified;
+	private final Path[] workingDirectories;
+
+	public OutdatedFileCollector(final Path[] workingDirectories, final Map<Path, String> uptodateFiles,
+			final Set<Path> highlySyntaxErroneousFiles) {
+		this.uptodateFiles = uptodateFiles;
+		this.highlySyntaxErroneousFiles = highlySyntaxErroneousFiles;
+		this.asn1FilesToCheck = new ArrayList<>();
+		this.cfgFilesToCheck = new ArrayList<>();
+		this.ttcn3FilesToCheck = new ArrayList<>();
+		this.ttcninFilesModified = new ArrayList<>();
+		this.workingDirectories = workingDirectories;
+		
+		project = Project.INSTANCE;
+	}
+
+	public List<Path> getASN1FilesToCheck() {
+		return asn1FilesToCheck;
+	}
+
+	public List<Path> getCFGFilesToCheck() {
+		return cfgFilesToCheck;
+	}
+
+	public List<Path> getTTCN3FilesToCheck() {
+		return ttcn3FilesToCheck;
+	}
+
+	public List<Path> getTtcninFilesModified() {
+		return ttcninFilesModified;
+	}
+	
+	@Override
+	public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
+		for (final Path workingDirectory : workingDirectories) {
+			if (workingDirectory.equals(dir)) {
+				return FileVisitResult.TERMINATE;
+			}
+		}
+		
+		final ProjectItem item = project.getProjectItem(dir);
+		if (item.isExcluded()) {
+			return FileVisitResult.TERMINATE;
+		}
+		
+		return FileVisitResult.CONTINUE;
+	}
+
+	@Override
+	public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
+		final Path filepath = file.getFileName();
+		if (filepath == null) {
+			return FileVisitResult.CONTINUE;
+		}
+		final String filename = filepath.toString();
+		if (filename.startsWith(DOT)) {
+			return FileVisitResult.CONTINUE;
+		}
+		final ProjectItem item = project.getProjectItem(file);
+		if (item.isExcluded()) {
+			return FileVisitResult.TERMINATE;
+		}
+		
+		String extension = "";
+		final String fullpath = file.toString();
+		if (fullpath.contains(".")) {
+		    extension = fullpath.substring(fullpath.lastIndexOf(".") + 1);
+		}
+		if (!uptodateFiles.containsKey(file) && !highlySyntaxErroneousFiles.contains(file)) {
+			if (GlobalParser.isSupportedTTCN3Extension(extension)) {
+				ttcn3FilesToCheck.add(file);
+			} else if (GlobalParser.SUPPORTED_CONFIG_FILE_EXTENSIONS[0].equals(extension)) {
+				cfgFilesToCheck.add(file);
+			} else if (GlobalParser.SUPPORTED_ASN1_EXTENSIONS[0].equals(extension) || GlobalParser.SUPPORTED_ASN1_EXTENSIONS[1].equals(extension)) {
+				asn1FilesToCheck.add(file);
+			} else if (GlobalParser.TTCNIN_EXTENSION.equals(extension)) {
+				ttcninFilesModified.add(file);
+			}
+		}
+		
+		return FileVisitResult.CONTINUE;
+	}
+
+	@Override
+	public FileVisitResult visitFileFailed(Path file, IOException exc) throws IOException {
+		return FileVisitResult.CONTINUE;
+	}
+
+	@Override
+	public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
+		return FileVisitResult.CONTINUE;
+	}
+}