com.googlecode.d2j.smali.SmaliCmd Maven / Gradle / Ivy

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package com.googlecode.d2j.smali;

import java.io.File;
import java.nio.file.Files;
import java.nio.file.Path;

import com.googlecode.d2j.dex.writer.DexFileWriter;
import com.googlecode.d2j.visitors.DexFileVisitor;
import com.googlecode.dex2jar.tools.BaseCmd;
import com.googlecode.dex2jar.tools.BaseCmd.Syntax;

@Syntax(cmd = "d2j-smali", syntax = "[options] [--] [|folder]*", desc = "assembles a set of smali files into a dex file", onlineHelp = "https://sourceforge.net/p/dex2jar/wiki/Smali")
public class SmaliCmd extends BaseCmd {
    @Opt(opt = "x", longOpt = "allow-odex-instructions", hasArg = false, description = "[not impl] allow odex instructions to be compiled into the dex file. Only a few instructions are supported - the ones that can exist in a dead code path and not cause dalvik to reject the class")
    private boolean allowOdexInstructions;
    @Opt(opt = "a", longOpt = "api-level", description = "[not impl] The numeric api-level of the file to generate, e.g. 14 for ICS. If not specified, it defaults to 14 (ICS).", argName = "API_LEVEL")
    private int apiLevel = 14;
    @Opt(opt = "v", longOpt = "version", hasArg = false, description = "prints the version then exits")
    private boolean showVersionThenExits;
    @Opt(opt = "o", longOpt = "output", description = "the name of the dex file that will be written. The default is out.dex", argName = "FILE")
    private Path output;
    @Opt(opt = "-", hasArg = false, description = "read smali from stdin")
    private boolean readSmaliFromStdin;

    public static void main(String[] args) {
        new SmaliCmd().doMain(args);
    }

    @Override
    protected void doCommandLine() throws Exception {

        if (showVersionThenExits) {
            System.out.println("smali 1.4.2p (https://sourceforge.net/p/dex2jar)");
            System.out.println("Copyright (c) 2009-2013 Panxiaobo ([email protected])");
            System.out.println("Apache license (http://www.apache.org/licenses/LICENSE-2.0)");
            return;
        }

        if (!readSmaliFromStdin && remainingArgs.length < 1) {
            System.err.println("ERRPR: no file to process");
            return;
        }

        if (output == null) {
            output = new File("out.dex").toPath();
        }

        Smali smali = new Smali();
        DexFileWriter fw = new DexFileWriter();

        DexFileVisitor fv = new DexFileVisitor(fw) {
            @Override
            public void visitEnd() {// intercept the call to super
            }
        };

        if (readSmaliFromStdin) {
            smali.smaliFile("", System.in, fv);
            System.err.println("smali  -> " + output);
        }

        for (String s : remainingArgs) {
            Path file = new File(s).toPath();
            if (!Files.exists(file)) {
                System.err.println("skip " + file + ", it is not a dir or a file");
            } else {
                System.err.println("smali " + s + " -> " + output);
                smali.smali(file, fv);
            }
        }

        fw.visitEnd();
        byte[] data = fw.toByteArray();
        Files.write(output, data);
    }
}