resources: support text chuck in binary xml (fix #84)

jadx-core/src/main/java/jadx/core/utils/StringUtils.java

@@ -95,4 +95,23 @@ public class StringUtils {
 		}
 		return sb.toString();
 	}
+
+	public static String escapeXML(String str) {
+		int len = str.length();
+		StringBuilder sb = new StringBuilder(len);
+		for (int i = 0; i < len; i++) {
+			char c = str.charAt(i);
+			switch (c) {
+				case '&': sb.append("&amp;"); break;
+				case '<': sb.append("&lt;"); break;
+				case '>': sb.append("&gt;"); break;
+				case '"': sb.append("&quot;"); break;
+				case '\'': sb.append("&apos;"); break;
+				default:
+					sb.append(c);
+					break;
+			}
+		}
+		return sb.toString();
+	}
 }

jadx-core/src/main/java/jadx/core/xmlgen/BinaryXMLParser.java

@@ -6,6 +6,7 @@ import jadx.core.dex.instructions.args.ArgType;
 import jadx.core.dex.nodes.DexNode;
 import jadx.core.dex.nodes.FieldNode;
 import jadx.core.dex.nodes.RootNode;
+import jadx.core.utils.StringUtils;
 import jadx.core.utils.exceptions.JadxRuntimeException;
 import jadx.core.xmlgen.entry.ValuesParser;
 
@@ -123,6 +124,9 @@ public class BinaryXMLParser extends CommonBinaryParser {
 				case RES_XML_START_NAMESPACE_TYPE:
 					parseNameSpace();
 					break;
+				case RES_XML_CDATA_TYPE:
+					parseCData();
+					break;
 				case RES_XML_END_NAMESPACE_TYPE:
 					parseNameSpaceEnd();
 					break;
@@ -181,6 +185,27 @@ public class BinaryXMLParser extends CommonBinaryParser {
 		nsURI = strings[endURI];
 	}
 
+	private void parseCData() throws IOException {
+		if (is.readInt16() != 0x10) {
+			die("CDATA header is not 0x10");
+		}
+		if (is.readInt32() != 0x1C) {
+			die("CDATA header chunk is not 0x1C");
+		}
+		int lineNumber = is.readInt32();
+		is.skip(4);
+
+		int strIndex = is.readInt32();
+		String str = strings[strIndex];
+
+		writer.startLine().addIndent();
+		writer.attachSourceLine(lineNumber);
+		writer.add(StringUtils.escapeXML(str.trim())); // TODO: wrap into CDATA for easier reading
+
+		int size = is.readInt16();
+		is.skip(size - 2);
+	}
+
 	private void parseElement() throws IOException {
 		if (firstElement) {
 			firstElement = false;