Annotate ClassDefItems

dexlib2/src/main/java/org/jf/dexlib2/dexbacked/DexBackedDexFile.java

@@ -77,7 +77,6 @@ public abstract class DexBackedDexFile extends BaseDexBuffer implements DexFile
         private final int classCount;
         private final int classStartOffset;
 
-        private static final int CLASS_DEF_ITEM_SIZE = 32;
         public static final int MAP_ITEM_SIZE = 12;
 
         public static final int TYPE_LIST_SIZE_OFFSET = 0;
@@ -190,7 +189,7 @@ public abstract class DexBackedDexFile extends BaseDexBuffer implements DexFile
             if (classIndex < 0 || classIndex >= classCount) {
                 throw new ExceptionWithContext("Class index out of bounds: %d", classIndex);
             }
-            return classStartOffset + classIndex*CLASS_DEF_ITEM_SIZE;
+            return classStartOffset + classIndex*ClassDefItem.ITEM_SIZE;
         }
 
         public int getClassCount() {
@@ -273,6 +272,12 @@ public abstract class DexBackedDexFile extends BaseDexBuffer implements DexFile
                 MethodIdItem.getAnnotator().annotateSection(annotatedBytes, this, methodCount);
             }
 
+            if (classCount > 0) {
+                annotatedBytes.skipTo(getClassDefItemOffset(0));
+                annotatedBytes.annotate(0, " ");
+                ClassDefItem.getAnnotator().annotateSection(annotatedBytes, this, classCount);
+            }
+
             annotatedBytes.writeAnnotations(out, buf);
         }
     }

dexlib2/src/main/java/org/jf/dexlib2/dexbacked/raw/ClassDefItem.java

@@ -0,0 +1,103 @@
+/*
+ * Copyright 2013, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package org.jf.dexlib2.dexbacked.raw;
+
+import org.jf.dexlib2.dexbacked.DexBackedDexFile;
+import org.jf.dexlib2.util.AnnotatedBytes;
+
+import javax.annotation.Nonnull;
+
+public class ClassDefItem {
+    public static final int ITEM_SIZE = 32;
+
+    public static final int CLASS_OFFSET = 0;
+    public static final int ACCESS_FLAGS_OFFSET = 4;
+    public static final int SUPERCLASS_OFFSET = 8;
+    public static final int INTERFACES_OFFSET = 12;
+    public static final int SOURCE_FILE_OFFSET = 16;
+    public static final int ANNOTATIONS_OFFSET = 20;
+    public static final int CLASS_DATA_OFFSET = 24;
+    public static final int STATIC_VALUES_OFFSET = 28;
+
+    @Nonnull
+    public static SectionAnnotator getAnnotator() {
+        return new SectionAnnotator() {
+            @Nonnull @Override public String getItemName() {
+                return "class_def_item";
+            }
+
+            @Override
+            protected void annotateItem(@Nonnull AnnotatedBytes out, @Nonnull DexBackedDexFile dexFile, int itemIndex) {
+                int classIndex = dexFile.readSmallUint(out.getCursor());
+                out.annotate(4, "class_idx = %s", TypeIdItem.getReferenceAnnotation(dexFile, classIndex));
+
+                int accessFlags = dexFile.readInt(out.getCursor());
+                out.annotate(4, "access_flags = 0x%x", accessFlags);
+
+                int superclassIndex = dexFile.readSmallUint(out.getCursor());
+                out.annotate(4, "superclass_idx = %s", TypeIdItem.getReferenceAnnotation(dexFile, superclassIndex));
+
+                int interfacesOffset = dexFile.readSmallUint(out.getCursor());
+                out.annotate(4, "interfaces_off = %s", TypeListItem.getReferenceAnnotation(dexFile, interfacesOffset));
+
+                int sourceFileIdx = dexFile.readOptionalUint(out.getCursor());
+                if (sourceFileIdx == -1) {
+                    out.annotate(4, "source_file_idx = -1");
+                } else {
+                    out.annotate(4, "source_file_idx = %s", StringIdItem.getReferenceAnnotation(dexFile,
+                            sourceFileIdx));
+                }
+
+                int annotationsOffset = dexFile.readSmallUint(out.getCursor());
+                if (annotationsOffset == 0) {
+                    out.annotate(4, "annotations_off = 0");
+                } else {
+                    out.annotate(4, "annotations_off = annotations_directory_item[0x%x]", annotationsOffset);
+                }
+
+                int classDataOffset = dexFile.readSmallUint(out.getCursor());
+                if (classDataOffset == 0) {
+                    out.annotate(4, "class_data_off = 0");
+                } else {
+                    out.annotate(4, "class_data_off = class_data_item[0x%x]", classDataOffset);
+                }
+
+                int staticValuesOffset = dexFile.readSmallUint(out.getCursor());
+                if (staticValuesOffset == 0) {
+                    out.annotate(4, "static_values_off = 0");
+                } else {
+                    out.annotate(4, "static_values_off = encoded_array_item[0x%x]", staticValuesOffset);
+                }
+            }
+        };
+    }
+}