/*
* 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 com.google.common.base.Joiner;
import org.jf.dexlib2.AccessFlags;
import org.jf.dexlib2.dexbacked.DexBackedDexFile;
import org.jf.dexlib2.dexbacked.raw.util.DexAnnotator;
import org.jf.dexlib2.util.AnnotatedBytes;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
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 makeAnnotator(@Nonnull DexAnnotator annotator, @Nonnull MapItem mapItem) {
return new SectionAnnotator(annotator, mapItem) {
private SectionAnnotator classDataAnnotator = null;
@Override public void annotateSection(@Nonnull AnnotatedBytes out) {
classDataAnnotator = annotator.getAnnotator(ItemType.CLASS_DATA_ITEM);
super.annotateSection(out);
}
@Nonnull @Override public String getItemName() {
return "class_def_item";
}
@Override
protected void annotateItem(@Nonnull AnnotatedBytes out, int itemIndex, @Nullable String itemIdentity) {
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: %s", accessFlags,
Joiner.on('|').join(AccessFlags.getAccessFlagsForClass(accessFlags)));
int superclassIndex = dexFile.readOptionalUint(out.getCursor());
out.annotate(4, "superclass_idx = %s",
TypeIdItem.getOptionalReferenceAnnotation(dexFile, superclassIndex));
int interfacesOffset = dexFile.readSmallUint(out.getCursor());
out.annotate(4, "interfaces_off = %s", TypeListItem.getReferenceAnnotation(dexFile, interfacesOffset));
int sourceFileIdx = dexFile.readOptionalUint(out.getCursor());
out.annotate(4, "source_file_idx = %s", StringIdItem.getOptionalReferenceAnnotation(dexFile,
sourceFileIdx));
int annotationsOffset = dexFile.readSmallUint(out.getCursor());
if (annotationsOffset == 0) {
out.annotate(4, "annotations_off = annotations_directory_item[NO_OFFSET]");
} 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 = class_data_item[NO_OFFSET]");
} else {
out.annotate(4, "class_data_off = class_data_item[0x%x]", classDataOffset);
addClassDataIdentity(classDataOffset, dexFile.getType(classIndex));
}
int staticValuesOffset = dexFile.readSmallUint(out.getCursor());
if (staticValuesOffset == 0) {
out.annotate(4, "static_values_off = encoded_array_item[NO_OFFSET]");
} else {
out.annotate(4, "static_values_off = encoded_array_item[0x%x]", staticValuesOffset);
}
}
private void addClassDataIdentity(int classDataOffset, String classType) {
if (classDataAnnotator != null) {
classDataAnnotator.setItemIdentity(classDataOffset, classType);
}
}
};
}
@Nonnull
public static String asString(@Nonnull DexBackedDexFile dexFile, int classIndex) {
int offset = dexFile.getClassDefItemOffset(classIndex);
int typeIndex = dexFile.readSmallUint(offset + CLASS_OFFSET);
return dexFile.getType(typeIndex);
}
public static String[] getClasses(@Nonnull RawDexFile dexFile) {
MapItem mapItem = dexFile.getMapItemForSection(ItemType.CLASS_DEF_ITEM);
if (mapItem == null) {
return new String[0];
}
int classCount = mapItem.getItemCount();
String[] ret = new String[classCount];
for (int i=0; i<classCount; i++) {
ret[i] = asString(dexFile, i);
}
return ret;
}
}