ResDump Code Thursday, August 21, 2008

A long time ago, I wrote a tool which would dump all image and image list resources from an assembly, resx, or resources file:

/*
    Copyright ©2002-2008 D. P. Bullington
    Distributed under the MIT license: http://www.opensource.org/licenses/mit-license.php
*/

using System;
using System.Resources;
using System.IO;
using System.Collections;
using System.Reflection;
using System.Text;
using System.Globalization;
using System.Windows.Forms;

public class ResDump
{    
    public static void Main(String[] args)
    {
        ArrayList readers;
        string lower;
        
        Console.WriteLine(new string('-', 70));
        Console.WriteLine("Resource Dump Utillity (c)2005-2007 Daniel Bullington");
        Console.WriteLine();
        Console.WriteLine(args[0]);
        Console.WriteLine(new string('-', 70));
        Console.WriteLine();
        
        if(args.Length != 1)
        {
            Console.WriteLine("USAGE: ResDump.exe [filename]");
            return;
        }

        lower = args[0].ToLower();

        if(!lower.EndsWith(".dll") && !lower.EndsWith(".resx") && !lower.EndsWith(".resources") && !lower.EndsWith(".dll"))
        {
        {
            Console.WriteLine("File name must end with .resx, .resources, or .dll extensions:\n" + args[0]);
            return;
        }
        }

        

        try          
        {

            readers = GetResourceReaders(args[0]);

            if(readers != null)
            {
                foreach(IResourceReader rr in readers) 
                {            
                    DumpResourceReader(args[0], rr);
                    rr.Close();
                }
            }
        }
        catch(Exception ex)
        {
            Console.WriteLine("*** ERROR ***");
            Console.WriteLine(ex.ToString());
        }
        
    }



    public static ArrayList GetResourceReaders(string name)
    {        
        Assembly a;
        CultureInfo ci;
        string lower;
        bool mainAssembly;
        IResourceReader rr;
        string[] resources;
        Stream s;
        ArrayList readers;

        readers = new ArrayList();
        lower = name.ToLower();
        
        if (lower.EndsWith(".resx"))
        {
            rr = new System.Resources.ResXResourceReader(name);
            readers.Add(rr);
        }
        else if (lower.EndsWith(".resources")) 
        {
            rr = new ResourceReader(name);        
            readers.Add(rr);
        }
        else if(lower.EndsWith(".dll"))
        {
            a = Assembly.LoadFrom(name);            
            ci = a.GetName().CultureInfo;
            mainAssembly = ci.Equals(CultureInfo.InvariantCulture);            
            resources = a.GetManifestResourceNames();
            
            foreach(String resName in resources) 
            {
                if (resName.EndsWith(".resources")) 
                {
                    s = a.GetManifestResourceStream(resName);
                    
                    rr = new ResourceReader(s);
                    readers.Add(rr);
                }                                
            }
        }


        return readers;
    }

    private static void DumpResourceReader(string outputDir, IResourceReader rr)
    {
        int count = 0;
        System.Drawing.Image image;
        System.Windows.Forms.ImageListStreamer ilStreamer;
        System.Windows.Forms.ImageList imageList;
            
        outputDir = outputDir + "-RESDUMP";

        if(!Directory.Exists(outputDir))
            Directory.CreateDirectory(outputDir);
        
        foreach (DictionaryEntry de in rr)         
        {
            if(de.Value != null)
            {            
                if(de.Value is System.Drawing.Image)
                {
                    Console.WriteLine("Dumping resource type " + de.Value.GetType().FullName + "...");
                    image = (System.Drawing.Image)de.Value;
                    image.Save(outputDir +"\\"+ (string)de.Key + ".bmp");
                    image.Dispose();
                    image = null;            
                    count++;
                }            
                else if(de.Value is System.Windows.Forms.ImageListStreamer)
                {
                    Console.WriteLine("Dumping resource type " + de.Value.GetType().FullName + "...");
                    ilStreamer = (System.Windows.Forms.ImageListStreamer)de.Value;
                    imageList = new System.Windows.Forms.ImageList();
                    imageList.ImageStream = ilStreamer;

                    foreach(System.Drawing.Image img in imageList.Images)
                    {                        
                        img.Save(outputDir +"\\"+ Guid.NewGuid().ToString() + ".bmp");                                                
                    }

                    imageList.Dispose();
                    imageList = null;
                    count++;
                }
            }
            
        }
        
        Console.WriteLine("Dumped {0} serialized resources.", count);
    }
}