| /* |
| * Copyright (C) 2007 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.dx.dex.file; |
| |
| import com.android.dx.rop.code.AccessFlags; |
| import com.android.dx.rop.cst.CstFieldRef; |
| import com.android.dx.rop.cst.CstUtf8; |
| import com.android.dx.util.AnnotatedOutput; |
| import com.android.dx.util.Hex; |
| import com.android.dx.util.Leb128Utils; |
| |
| import java.io.PrintWriter; |
| |
| /** |
| * Representation of a field of a class, of any sort. |
| */ |
| public final class EncodedField extends EncodedMember |
| implements Comparable<EncodedField> { |
| /** {@code non-null;} constant for the field */ |
| private final CstFieldRef field; |
| |
| /** |
| * Constructs an instance. |
| * |
| * @param field {@code non-null;} constant for the field |
| * @param accessFlags access flags |
| */ |
| public EncodedField(CstFieldRef field, int accessFlags) { |
| super(accessFlags); |
| |
| if (field == null) { |
| throw new NullPointerException("field == null"); |
| } |
| |
| /* |
| * TODO: Maybe check accessFlags, at least for |
| * easily-checked stuff? |
| */ |
| |
| this.field = field; |
| } |
| |
| /** {@inheritDoc} */ |
| public int hashCode() { |
| return field.hashCode(); |
| } |
| |
| /** {@inheritDoc} */ |
| public boolean equals(Object other) { |
| if (! (other instanceof EncodedField)) { |
| return false; |
| } |
| |
| return compareTo((EncodedField) other) == 0; |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * <p><b>Note:</b> This compares the method constants only, |
| * ignoring any associated code, because it should never be the |
| * case that two different items with the same method constant |
| * ever appear in the same list (or same file, even).</p> |
| */ |
| public int compareTo(EncodedField other) { |
| return field.compareTo(other.field); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public String toString() { |
| StringBuffer sb = new StringBuffer(100); |
| |
| sb.append(getClass().getName()); |
| sb.append('{'); |
| sb.append(Hex.u2(getAccessFlags())); |
| sb.append(' '); |
| sb.append(field); |
| sb.append('}'); |
| return sb.toString(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public void addContents(DexFile file) { |
| FieldIdsSection fieldIds = file.getFieldIds(); |
| fieldIds.intern(field); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public CstUtf8 getName() { |
| return field.getNat().getName(); |
| } |
| |
| /** {@inheritDoc} */ |
| public String toHuman() { |
| return field.toHuman(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public void debugPrint(PrintWriter out, boolean verbose) { |
| // TODO: Maybe put something better here? |
| out.println(toString()); |
| } |
| |
| /** |
| * Gets the constant for the field. |
| * |
| * @return {@code non-null;} the constant |
| */ |
| public CstFieldRef getRef() { |
| return field; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public int encode(DexFile file, AnnotatedOutput out, |
| int lastIndex, int dumpSeq) { |
| int fieldIdx = file.getFieldIds().indexOf(field); |
| int diff = fieldIdx - lastIndex; |
| int accessFlags = getAccessFlags(); |
| |
| if (out.annotates()) { |
| out.annotate(0, String.format(" [%x] %s", dumpSeq, |
| field.toHuman())); |
| out.annotate(Leb128Utils.unsignedLeb128Size(diff), |
| " field_idx: " + Hex.u4(fieldIdx)); |
| out.annotate(Leb128Utils.unsignedLeb128Size(accessFlags), |
| " access_flags: " + |
| AccessFlags.fieldString(accessFlags)); |
| } |
| |
| out.writeUnsignedLeb128(diff); |
| out.writeUnsignedLeb128(accessFlags); |
| |
| return fieldIdx; |
| } |
| } |