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      1 /*
      2  * Copyright (C) 2011 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.dx.io;
     18 
     19 import com.android.dex.ClassDef;
     20 import com.android.dex.Dex;
     21 import com.android.dex.FieldId;
     22 import com.android.dex.MethodId;
     23 import com.android.dex.ProtoId;
     24 import com.android.dex.TableOfContents;
     25 import java.io.File;
     26 import java.io.IOException;
     27 
     28 /**
     29  * Executable that prints all indices of a dex file.
     30  */
     31 public final class DexIndexPrinter {
     32     private final Dex dex;
     33     private final TableOfContents tableOfContents;
     34 
     35     public DexIndexPrinter(File file) throws IOException {
     36         this.dex = new Dex(file);
     37         this.tableOfContents = dex.getTableOfContents();
     38     }
     39 
     40     private void printMap() {
     41         for (TableOfContents.Section section : tableOfContents.sections) {
     42             if (section.off != -1) {
     43                 System.out.println("section " + Integer.toHexString(section.type)
     44                         + " off=" + Integer.toHexString(section.off)
     45                         + " size=" + Integer.toHexString(section.size)
     46                         + " byteCount=" + Integer.toHexString(section.byteCount));
     47             }
     48         }
     49     }
     50 
     51     private void printStrings() throws IOException {
     52         int index = 0;
     53         for (String string : dex.strings()) {
     54             System.out.println("string " + index + ": " + string);
     55             index++;
     56         }
     57     }
     58 
     59     private void printTypeIds() throws IOException {
     60         int index = 0;
     61         for (Integer type : dex.typeIds()) {
     62             System.out.println("type " + index + ": " + dex.strings().get(type));
     63             index++;
     64         }
     65     }
     66 
     67     private void printProtoIds() throws IOException {
     68         int index = 0;
     69         for (ProtoId protoId : dex.protoIds()) {
     70             System.out.println("proto " + index + ": " + protoId);
     71             index++;
     72         }
     73     }
     74 
     75     private void printFieldIds() throws IOException {
     76         int index = 0;
     77         for (FieldId fieldId : dex.fieldIds()) {
     78             System.out.println("field " + index + ": " + fieldId);
     79             index++;
     80         }
     81     }
     82 
     83     private void printMethodIds() throws IOException {
     84         int index = 0;
     85         for (MethodId methodId : dex.methodIds()) {
     86             System.out.println("methodId " + index + ": " + methodId);
     87             index++;
     88         }
     89     }
     90 
     91     private void printTypeLists() throws IOException {
     92         if (tableOfContents.typeLists.off == -1) {
     93             System.out.println("No type lists");
     94             return;
     95         }
     96         Dex.Section in = dex.open(tableOfContents.typeLists.off);
     97         for (int i = 0; i < tableOfContents.typeLists.size; i++) {
     98             int size = in.readInt();
     99             System.out.print("Type list i=" + i + ", size=" + size + ", elements=");
    100             for (int t = 0; t < size; t++) {
    101                 System.out.print(" " + dex.typeNames().get((int) in.readShort()));
    102             }
    103             if (size % 2 == 1) {
    104                 in.readShort(); // retain alignment
    105             }
    106             System.out.println();
    107         }
    108     }
    109 
    110     private void printClassDefs() {
    111         int index = 0;
    112         for (ClassDef classDef : dex.classDefs()) {
    113             System.out.println("class def " + index + ": " + classDef);
    114             index++;
    115         }
    116     }
    117 
    118     public static void main(String[] args) throws IOException {
    119         DexIndexPrinter indexPrinter = new DexIndexPrinter(new File(args[0]));
    120         indexPrinter.printMap();
    121         indexPrinter.printStrings();
    122         indexPrinter.printTypeIds();
    123         indexPrinter.printProtoIds();
    124         indexPrinter.printFieldIds();
    125         indexPrinter.printMethodIds();
    126         indexPrinter.printTypeLists();
    127         indexPrinter.printClassDefs();
    128     }
    129 }
    130