/*
* 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.
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* 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
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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package org.jf.dexlib2.writer.pool;
import org.jf.dexlib2.Opcodes;
import org.jf.dexlib2.ValueType;
import org.jf.dexlib2.iface.Annotation;
import org.jf.dexlib2.iface.AnnotationElement;
import org.jf.dexlib2.iface.ClassDef;
import org.jf.dexlib2.iface.Field;
import org.jf.dexlib2.iface.reference.*;
import org.jf.dexlib2.iface.value.*;
import org.jf.dexlib2.writer.*;
import org.jf.dexlib2.writer.io.DexDataStore;
import org.jf.dexlib2.writer.io.FileDataStore;
import org.jf.util.ExceptionWithContext;
import javax.annotation.Nonnull;
import java.io.File;
import java.io.IOException;
import java.util.Collection;
import java.util.Set;
public class DexPool extends DexWriter<CharSequence, StringReference, CharSequence, TypeReference,
MethodProtoReference, FieldReference, MethodReference, PoolClassDef,
Annotation, Set<? extends Annotation>,
TypeListPool.Key<? extends Collection<? extends CharSequence>>, Field, PoolMethod,
EncodedValue, AnnotationElement, StringPool, TypePool, ProtoPool, FieldPool, MethodPool, ClassPool,
TypeListPool, AnnotationPool, AnnotationSetPool> {
private final Markable[] sections = new Markable[] {
stringSection, typeSection, protoSection, fieldSection, methodSection, classSection, typeListSection,
annotationSection, annotationSetSection
};
public DexPool(Opcodes opcodes) {
super(opcodes);
}
@Nonnull @Override protected SectionProvider getSectionProvider() {
return new DexPoolSectionProvider();
}
public static void writeTo(@Nonnull DexDataStore dataStore, @Nonnull org.jf.dexlib2.iface.DexFile input)
throws IOException {
DexPool dexPool = new DexPool(input.getOpcodes());
for (ClassDef classDef: input.getClasses()) {
dexPool.internClass(classDef);
}
dexPool.writeTo(dataStore);
}
public static void writeTo(@Nonnull String path, @Nonnull org.jf.dexlib2.iface.DexFile input) throws IOException {
DexPool dexPool = new DexPool(input.getOpcodes());
for (ClassDef classDef: input.getClasses()) {
dexPool.internClass(classDef);
}
dexPool.writeTo(new FileDataStore(new File(path)));
}
/**
* Interns a class into this DexPool
* @param classDef The class to intern
*/
public void internClass(ClassDef classDef) {
classSection.intern(classDef);
}
/**
* Creates a marked state that can be returned to by calling reset()
*
* This is useful to rollback the last added class if it causes a method/field/type overflow
*/
public void mark() {
for (Markable section: sections) {
section.mark();
}
}
/**
* Resets to the last marked state
*
* This is useful to rollback the last added class if it causes a method/field/type overflow
*/
public void reset() {
for (Markable section: sections) {
section.reset();
}
}
@Override protected void writeEncodedValue(@Nonnull InternalEncodedValueWriter writer,
@Nonnull EncodedValue encodedValue) throws IOException {
switch (encodedValue.getValueType()) {
case ValueType.ANNOTATION:
AnnotationEncodedValue annotationEncodedValue = (AnnotationEncodedValue)encodedValue;
writer.writeAnnotation(annotationEncodedValue.getType(), annotationEncodedValue.getElements());
break;
case ValueType.ARRAY:
ArrayEncodedValue arrayEncodedValue = (ArrayEncodedValue)encodedValue;
writer.writeArray(arrayEncodedValue.getValue());
break;
case ValueType.BOOLEAN:
writer.writeBoolean(((BooleanEncodedValue)encodedValue).getValue());
break;
case ValueType.BYTE:
writer.writeByte(((ByteEncodedValue)encodedValue).getValue());
break;
case ValueType.CHAR:
writer.writeChar(((CharEncodedValue)encodedValue).getValue());
break;
case ValueType.DOUBLE:
writer.writeDouble(((DoubleEncodedValue)encodedValue).getValue());
break;
case ValueType.ENUM:
writer.writeEnum(((EnumEncodedValue)encodedValue).getValue());
break;
case ValueType.FIELD:
writer.writeField(((FieldEncodedValue)encodedValue).getValue());
break;
case ValueType.FLOAT:
writer.writeFloat(((FloatEncodedValue)encodedValue).getValue());
break;
case ValueType.INT:
writer.writeInt(((IntEncodedValue)encodedValue).getValue());
break;
case ValueType.LONG:
writer.writeLong(((LongEncodedValue)encodedValue).getValue());
break;
case ValueType.METHOD:
writer.writeMethod(((MethodEncodedValue)encodedValue).getValue());
break;
case ValueType.NULL:
writer.writeNull();
break;
case ValueType.SHORT:
writer.writeShort(((ShortEncodedValue)encodedValue).getValue());
break;
case ValueType.STRING:
writer.writeString(((StringEncodedValue)encodedValue).getValue());
break;
case ValueType.TYPE:
writer.writeType(((TypeEncodedValue)encodedValue).getValue());
break;
default:
throw new ExceptionWithContext("Unrecognized value type: %d", encodedValue.getValueType());
}
}
void internEncodedValue(@Nonnull EncodedValue encodedValue) {
switch (encodedValue.getValueType()) {
case ValueType.ANNOTATION:
AnnotationEncodedValue annotationEncodedValue = (AnnotationEncodedValue)encodedValue;
typeSection.intern(annotationEncodedValue.getType());
for (AnnotationElement element: annotationEncodedValue.getElements()) {
stringSection.intern(element.getName());
internEncodedValue(element.getValue());
}
break;
case ValueType.ARRAY:
for (EncodedValue element: ((ArrayEncodedValue)encodedValue).getValue()) {
internEncodedValue(element);
}
break;
case ValueType.STRING:
stringSection.intern(((StringEncodedValue)encodedValue).getValue());
break;
case ValueType.TYPE:
typeSection.intern(((TypeEncodedValue)encodedValue).getValue());
break;
case ValueType.ENUM:
fieldSection.intern(((EnumEncodedValue)encodedValue).getValue());
break;
case ValueType.FIELD:
fieldSection.intern(((FieldEncodedValue)encodedValue).getValue());
break;
case ValueType.METHOD:
methodSection.intern(((MethodEncodedValue)encodedValue).getValue());
break;
}
}
protected class DexPoolSectionProvider extends SectionProvider {
@Nonnull @Override public StringPool getStringSection() {
return new StringPool(DexPool.this);
}
@Nonnull @Override public TypePool getTypeSection() {
return new TypePool(DexPool.this);
}
@Nonnull @Override public ProtoPool getProtoSection() {
return new ProtoPool(DexPool.this);
}
@Nonnull @Override public FieldPool getFieldSection() {
return new FieldPool(DexPool.this);
}
@Nonnull @Override public MethodPool getMethodSection() {
return new MethodPool(DexPool.this);
}
@Nonnull @Override public ClassPool getClassSection() {
return new ClassPool(DexPool.this);
}
@Nonnull @Override public TypeListPool getTypeListSection() {
return new TypeListPool(DexPool.this);
}
@Nonnull @Override public AnnotationPool getAnnotationSection() {
return new AnnotationPool(DexPool.this);
}
@Nonnull @Override public AnnotationSetPool getAnnotationSetSection() {
return new AnnotationSetPool(DexPool.this);
}
}
}