///
/// DumpAssembly - dump the contents of a .Net assembly for perusal
///
/// Copyright (C) 2005  Michael Davies <michael@msdavies.net> 
/// All Rights Reserved.
///
/// Why?  Because people don't provide documentation to their assemblies
/// even though the invite you to use them.  Hmmph.  This just makes
/// it easy to verify class and method signatures - it still doesn't help
/// you where the method is poorly named and you need to guess what it
/// does.
///
/// This program is free software; you can redistribute it and/or
/// modify it under the terms of the GNU General Public License as
/// published by the Free Software Foundation; either version 2 of the
/// License, or (at your option) any later version.
/// 
/// This program is distributed in the hope that it will be useful, but
/// WITHOUT ANY WARRANTY; without even the implied warranty of
/// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
/// General Public License for more details.
/// 
/// You should have received a copy of the GNU General Public License
/// along with this program; if not, write to the Free Software
/// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
/// 02111-1307, USA.
/// 
/// 2005-03-06 Michael Davies <michael@msdavies.net> 
/// 	* Version 0.0.1 - Initial Version.
/// 2005-03-07 Michael Davies <michael@msdavies.net> 
/// 	* Version 0.0.2 - Fixed tyop in multi-assembly handling.
///
using System;
using System.Reflection;

namespace DumpAssembly
{
	class DumpAssembly
	{
		// The Software version number
		static string Version = "0.0.2";
		
		static int Main(string[] args)
		{
			if (args.Length == 0)
			{
				Console.Error.WriteLine("Usage: DumpAssembly [-h] <assembly1> <assembly2> ...");
				Console.Error.WriteLine("Exiting...");
				return -1;
			}

			if ((args[0] == "-h") || (args[0] == "--help"))
			{
				Console.Error.WriteLine("DumpAssembly: Dump the contents of the supplied .Net assemblies");
				Console.Error.WriteLine("Usage: DumpAssembly [-h] <assembly1> <assembly2> ...");
				Console.Error.WriteLine("Copyright (C) 2005 Michael Davies <michael@msdavies.net>");
				Console.Error.WriteLine("All Rights Reserved.  Version {0}", Version);
				Console.Error.WriteLine();
				Console.Error.WriteLine("This program is free software; you can redistribute it and/or");
				Console.Error.WriteLine("modify it under the terms of the GNU General Public License");
				Console.Error.WriteLine("as published by the Free Software Foundation; either version 2");
				Console.Error.WriteLine("of the License, or (at your option) any later version.");
				Console.Error.WriteLine();
				Console.Error.WriteLine("This program is distributed in the hope that it will be useful,");
				Console.Error.WriteLine("but WITHOUT ANY WARRANTY; without even the implied warranty of");
				Console.Error.WriteLine("MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the");
				Console.Error.WriteLine("GNU General Public License for more details.");
				Console.Error.WriteLine();
				Console.Error.WriteLine("You should have received a copy of the GNU General Public License");
				Console.Error.WriteLine("along with this program; if not, write to the Free Software");
				Console.Error.WriteLine("Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.");
				Console.Error.WriteLine();
				Console.Error.WriteLine("Exiting...");
				return -2;
			}

			foreach (string Filename in args) 
			{
				Console.WriteLine("\nAssembly: {0}", Filename);
				Assembly assembly = Assembly.LoadFrom(Filename);

				foreach (Type type in assembly.GetTypes ()) {

					// There be dragons amongst the classes
					// TODO: Expand the list of types handled to print out
					// more assembly information.
					if (type.IsClass) {
						Console.WriteLine ("  Class: {0}", type.FullName);

						// Now iterate through the properties of the object
						foreach(PropertyInfo prop in type.GetProperties())
						{
							// Dump type and name of the property
							Console.WriteLine("     Prop:" +
									  prop.PropertyType.FullName.ToString() + " " +
									  prop.Name.ToString());
						}

						// Now iterate through the fields of the object
						foreach(FieldInfo f in type.GetFields())
						{
							// Dump type and name of the field
							Console.WriteLine("     Field:" + f.FieldType.FullName.ToString() +
									  " " + f.Name.ToString());
						}

						// Now iterate through the methods of the object
						foreach(MethodInfo m in type.GetMethods())
						{
							// Dump type and name of the method
							Console.Write("     Method:" + m.Name.ToString() + " (");

							// Formatting only 1 parameter specially
							ParameterInfo[] pma = m.GetParameters();
							int i = 1;
							foreach (ParameterInfo pm in pma)
							{
								Console.Write(pm.ParameterType + " " + pm.Name);
								if (i < pma.Length) {
									Console.Write(", ");
								}
								i++;
							}

							// Special non-formatting of void return types
							string retType = m.ReturnType.ToString();
							if (retType != "System.Void") {
								Console.WriteLine(") returns " + retType);
							} else {
								Console.WriteLine(")");
							}
						}
					}
				}
			}	
			return 0;
		}
	}
}

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