| /* |
| * 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.jack.dx.dex.file; |
| |
| import com.android.jack.dx.dex.SizeOf; |
| import com.android.jack.dx.rop.cst.CstString; |
| import com.android.jack.dx.util.AnnotatedOutput; |
| import com.android.jack.dx.util.Hex; |
| |
| /** |
| * Representation of a string inside a Dalvik file. |
| */ |
| public final class StringIdItem extends IndexedItem implements Comparable<StringIdItem> { |
| /** {@code non-null;} the string value */ |
| private final CstString value; |
| |
| /** {@code null-ok;} associated string data object, if known */ |
| private StringDataItem data; |
| |
| /** |
| * Constructs an instance. |
| * |
| * @param value {@code non-null;} the string value |
| */ |
| public StringIdItem(CstString value) { |
| assert value != null; |
| this.value = value; |
| this.data = null; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public boolean equals(Object other) { |
| if (!(other instanceof StringIdItem)) { |
| return false; |
| } |
| |
| StringIdItem otherString = (StringIdItem) other; |
| return value.equals(otherString.value); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public int hashCode() { |
| return value.hashCode(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public int compareTo(StringIdItem other) { |
| return value.compareTo(other.value); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public ItemType itemType() { |
| return ItemType.TYPE_STRING_ID_ITEM; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public int writeSize() { |
| return SizeOf.STRING_ID_ITEM; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public void addContents(DexFile file) { |
| if (data == null) { |
| // The string data hasn't yet been added, so add it. |
| MixedItemSection stringData = file.getStringData(); |
| data = new StringDataItem(value); |
| stringData.add(data); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public void writeTo(DexFile file, AnnotatedOutput out) { |
| int dataOff = data.getAbsoluteOffset(); |
| |
| if (out.annotates()) { |
| out.annotate(0, indexString() + ' ' + value.toQuoted(100)); |
| out.annotate(4, " string_data_off: " + Hex.u4(dataOff)); |
| } |
| |
| out.writeInt(dataOff); |
| } |
| |
| /** |
| * Gets the string value. |
| * |
| * @return {@code non-null;} the value |
| */ |
| public CstString getValue() { |
| return value; |
| } |
| |
| /** |
| * Gets the associated data object for this instance, if known. |
| * |
| * @return {@code null-ok;} the associated data object or {@code null} |
| * if not yet known |
| */ |
| public StringDataItem getData() { |
| return data; |
| } |
| } |