| /* |
| * 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.cst.CstUtf8; |
| import com.android.dx.util.AnnotatedOutput; |
| import com.android.dx.util.ByteArray; |
| import com.android.dx.util.Hex; |
| import com.android.dx.util.Leb128Utils; |
| |
| /** |
| * Representation of string data for a particular string, in a Dalvik file. |
| */ |
| public final class StringDataItem extends OffsettedItem { |
| /** {@code non-null;} the string value */ |
| private final CstUtf8 value; |
| |
| /** |
| * Constructs an instance. |
| * |
| * @param value {@code non-null;} the string value |
| */ |
| public StringDataItem(CstUtf8 value) { |
| super(1, writeSize(value)); |
| |
| this.value = value; |
| } |
| |
| /** |
| * Gets the write size for a given value. |
| * |
| * @param value {@code non-null;} the string value |
| * @return {@code >= 2}; the write size, in bytes |
| */ |
| private static int writeSize(CstUtf8 value) { |
| int utf16Size = value.getUtf16Size(); |
| |
| // The +1 is for the '\0' termination byte. |
| return Leb128Utils.unsignedLeb128Size(utf16Size) |
| + value.getUtf8Size() + 1; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public ItemType itemType() { |
| return ItemType.TYPE_STRING_DATA_ITEM; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public void addContents(DexFile file) { |
| // Nothing to do here. |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public void writeTo0(DexFile file, AnnotatedOutput out) { |
| ByteArray bytes = value.getBytes(); |
| int utf16Size = value.getUtf16Size(); |
| |
| if (out.annotates()) { |
| out.annotate(Leb128Utils.unsignedLeb128Size(utf16Size), |
| "utf16_size: " + Hex.u4(utf16Size)); |
| out.annotate(bytes.size() + 1, value.toQuoted()); |
| } |
| |
| out.writeUnsignedLeb128(utf16Size); |
| out.write(bytes); |
| out.writeByte(0); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public String toHuman() { |
| return value.toQuoted(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| protected int compareTo0(OffsettedItem other) { |
| StringDataItem otherData = (StringDataItem) other; |
| |
| return value.compareTo(otherData.value); |
| } |
| } |