support arsc raw file view

jadx-core/src/main/java/jadx/api/ResourceFile.java

 package jadx.api;
 
-import jadx.core.xmlgen.ResContainer;
-
 import java.io.File;
 
+import jadx.core.xmlgen.ResContainer;
+
 public class ResourceFile {
 
 	public static final class ZipRef {
@@ -56,7 +56,7 @@ public class ResourceFile {
 		this.zipRef = zipRef;
 	}
 
-	ZipRef getZipRef() {
+	public ZipRef getZipRef() {
 		return zipRef;
 	}
 

jadx-core/src/main/java/jadx/api/ResourcesLoader.java

 package jadx.api;
 
-import jadx.api.ResourceFile.ZipRef;
-import jadx.core.codegen.CodeWriter;
-import jadx.core.utils.Utils;
-import jadx.core.utils.exceptions.JadxException;
-import jadx.core.utils.files.InputFile;
-import jadx.core.xmlgen.ResContainer;
-import jadx.core.xmlgen.ResTableParser;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import java.io.BufferedInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.File;
+import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.util.ArrayList;
@@ -19,8 +15,13 @@ import java.util.List;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipFile;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import jadx.api.ResourceFile.ZipRef;
+import jadx.core.codegen.CodeWriter;
+import jadx.core.utils.Utils;
+import jadx.core.utils.exceptions.JadxException;
+import jadx.core.utils.files.InputFile;
+import jadx.core.xmlgen.ResContainer;
+import jadx.core.xmlgen.ResTableParser;
 
 import static jadx.core.utils.files.FileUtils.READ_BUFFER_SIZE;
 import static jadx.core.utils.files.FileUtils.close;
@@ -51,30 +52,35 @@ public final class ResourcesLoader {
 	}
 
 	public static ResContainer decodeStream(ResourceFile rf, ResourceDecoder decoder) throws JadxException {
-		ZipRef zipRef = rf.getZipRef();
-		if (zipRef == null) {
-			return null;
-		}
 		ZipFile zipFile = null;
 		InputStream inputStream = null;
 		ResContainer result = null;
 		try {
-			zipFile = new ZipFile(zipRef.getZipFile());
-			ZipEntry entry = zipFile.getEntry(zipRef.getEntryName());
-			if (entry == null) {
-				throw new IOException("Zip entry not found: " + zipRef);
+			long size;
+			ZipRef zipRef = rf.getZipRef();
+			if (zipRef == null) {
+				File file = new File(rf.getName());
+				inputStream = new BufferedInputStream(new FileInputStream(file));
+				size = file.length();
+			} else {
+				zipFile = new ZipFile(zipRef.getZipFile());
+				ZipEntry entry = zipFile.getEntry(zipRef.getEntryName());
+				if (entry == null) {
+					throw new IOException("Zip entry not found: " + zipRef);
+				}
+				inputStream = new BufferedInputStream(zipFile.getInputStream(entry));
+				size = entry.getSize();
 			}
-			inputStream = new BufferedInputStream(zipFile.getInputStream(entry));
-			result = decoder.decode(entry.getSize(), inputStream);
+			result = decoder.decode(size, inputStream);
 		} catch (Exception e) {
-			throw new JadxException("Error decode: " + zipRef.getEntryName(), e);
+			throw new JadxException("Error decode: " + rf.getName(), e);
 		} finally {
 			try {
 				if (zipFile != null) {
 					zipFile.close();
 				}
 			} catch (Exception e) {
-				LOG.error("Error close zip file: {}", zipRef, e);
+				LOG.error("Error close zip file: {}", rf.getName(), e);
 			}
 			close(inputStream);
 		}
@@ -133,6 +139,7 @@ public final class ResourcesLoader {
 			}
 		} catch (IOException e) {
 			LOG.debug("Not a zip file: {}", file.getAbsolutePath());
+			addResourceFile(list, file);
 		} finally {
 			if (zip != null) {
 				try {
@@ -144,6 +151,13 @@ public final class ResourcesLoader {
 		}
 	}
 
+	private void addResourceFile(List<ResourceFile> list, File file) {
+		String name = file.getAbsolutePath();
+		ResourceType type = ResourceType.getFileType(name);
+		ResourceFile rf = new ResourceFile(jadxRef, name, type);
+		list.add(rf);
+	}
+
 	private void addEntry(List<ResourceFile> list, File zipFile, ZipEntry entry) {
 		if (entry.isDirectory()) {
 			return;

jadx-core/src/main/java/jadx/core/dex/visitors/RenameVisitor.java

@@ -10,6 +10,7 @@ import jadx.core.dex.info.FieldInfo;
 import jadx.core.dex.info.MethodInfo;
 import jadx.core.dex.instructions.args.ArgType;
 import jadx.core.dex.nodes.ClassNode;
+import jadx.core.dex.nodes.DexNode;
 import jadx.core.dex.nodes.FieldNode;
 import jadx.core.dex.nodes.MethodNode;
 import jadx.core.dex.nodes.RootNode;
@@ -18,6 +19,7 @@ import jadx.core.utils.files.InputFile;
 
 import java.io.File;
 import java.util.HashSet;
+import java.util.List;
 import java.util.Set;
 
 import org.apache.commons.io.FilenameUtils;
@@ -33,13 +35,17 @@ public class RenameVisitor extends AbstractVisitor {
 	public void init(RootNode root) {
 		IJadxArgs args = root.getArgs();
 
-		InputFile firstInputFile = root.getDexNodes().get(0).getDexFile().getInputFile();
+		List<DexNode> dexNodes = root.getDexNodes();
+		if (dexNodes.size() == 0) {
+			return;
+		}
+		InputFile firstInputFile = dexNodes.get(0).getDexFile().getInputFile();
 		final String firstInputFileName = firstInputFile.getFile().getAbsolutePath();
 		final String inputPath = FilenameUtils.getFullPathNoEndSeparator(firstInputFileName);
 		final String inputName = FilenameUtils.getBaseName(firstInputFileName);
 
 		File deobfMapFile = new File(inputPath, inputName + ".jobf");
-		deobfuscator = new Deobfuscator(args, root.getDexNodes(), deobfMapFile);
+		deobfuscator = new Deobfuscator(args, dexNodes, deobfMapFile);
 		boolean deobfuscationOn = args.isDeobfuscationOn();
 		if (deobfuscationOn) {
 			deobfuscator.execute();

jadx-core/src/main/java/jadx/core/utils/android/AndroidResourcesUtils.java

@@ -48,7 +48,11 @@ public class AndroidResourcesUtils {
 	}
 
 	private static ClassNode makeClass(RootNode root, String clsName) {
-		DexNode firstDex = root.getDexNodes().get(0);
+		List<DexNode> dexNodes = root.getDexNodes();
+		if (dexNodes.size() == 0) {
+			return null;
+		}
+		DexNode firstDex = dexNodes.get(0);
 		ClassInfo r = ClassInfo.fromName(firstDex, clsName);
 		return new ClassNode(firstDex, r);
 	}

jadx-core/src/main/java/jadx/core/utils/files/InputFile.java

@@ -68,7 +68,7 @@ public class InputFile {
 			loadFromZip(".jar");
 			return;
 		}
-		throw new DecodeException("Unsupported input file format: " + file);
+		//throw new DecodeException("Unsupported input file format: " + file);
 	}
 
 	private void addDexFile(Dex dexBuf) throws IOException {

jadx-gui/src/main/java/jadx/gui/treemodel/JRoot.java

 package jadx.gui.treemodel;
 
-import jadx.api.ResourceFile;
-import jadx.gui.JadxWrapper;
-import jadx.gui.treemodel.JResource.JResType;
-import jadx.gui.utils.Utils;
-
-import javax.swing.Icon;
-import javax.swing.ImageIcon;
 import java.io.File;
 import java.util.Collections;
 import java.util.Enumeration;
 import java.util.List;
 import java.util.regex.Pattern;
 
+import javax.swing.Icon;
+import javax.swing.ImageIcon;
+
+import jadx.api.ResourceFile;
+import jadx.gui.JadxWrapper;
+import jadx.gui.treemodel.JResource.JResType;
+import jadx.gui.utils.Utils;
+
 public class JRoot extends JNode {
 	private static final long serialVersionUID = 8888495789773527342L;
 
@@ -45,7 +46,13 @@ public class JRoot extends JNode {
 		JResource root = new JResource(null, "Resources", JResType.ROOT);
 		String splitPathStr = Pattern.quote(File.separator);
 		for (ResourceFile rf : resources) {
-			String[] parts = new File(rf.getName()).getPath().split(splitPathStr);
+			String rfName;
+			if (rf.getZipRef() != null) {
+				rfName = rf.getName();
+			} else {
+				rfName = new File(rf.getName()).getName();
+			}
+			String[] parts = new File(rfName).getPath().split(splitPathStr);
 			JResource curRf = root;
 			int count = parts.length;
 			for (int i = 0; i < count; i++) {

jadx-gui/src/main/java/jadx/gui/ui/MainWindow.java

@@ -171,7 +171,7 @@ public class MainWindow extends JFrame {
 	public void openFile() {
 		JFileChooser fileChooser = new JFileChooser();
 		fileChooser.setAcceptAllFileFilterUsed(true);
-		String[] exts = {"apk", "dex", "jar", "class", "zip", "aar"};
+		String[] exts = {"apk", "dex", "jar", "class", "zip", "aar", "arsc"};
 		String description = "supported files: " + Arrays.toString(exts).replace('[', '(').replace(']', ')');
 		fileChooser.setFileFilter(new FileNameExtensionFilter(description, exts));
 		fileChooser.setToolTipText(NLS.str("file.open"));