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path: root/csharp/src/ProtoDump/Program.cs
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#region Copyright notice and license

// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc.  All rights reserved.
// http://github.com/jskeet/dotnet-protobufs/
// Original C++/Java/Python code:
// http://code.google.com/p/protobuf/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
//     * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#endregion

using System;
using System.IO;

namespace Google.ProtocolBuffers.ProtoDump
{
    /// <summary>
    /// Small utility to load a binary message and dump it in text form
    /// </summary>
    internal class Program
    {
        private static int Main(string[] args)
        {
            if (args.Length != 2)
            {
                Console.Error.WriteLine("Usage: ProtoDump <descriptor type name> <input data>");
                Console.Error.WriteLine("The descriptor type name is the fully-qualified message name,");
                Console.Error.WriteLine("including assembly e.g. ProjectNamespace.Message,Company.Project");
                return 1;
            }
            IMessage defaultMessage;
            try
            {
                defaultMessage = MessageUtil.GetDefaultMessage(args[0]);
            }
            catch (ArgumentException e)
            {
                Console.Error.WriteLine(e.Message);
                return 1;
            }
            try
            {
                IBuilder builder = defaultMessage.WeakCreateBuilderForType();
                if (builder == null)
                {
                    Console.Error.WriteLine("Unable to create builder");
                    return 1;
                }
                byte[] inputData = File.ReadAllBytes(args[1]);
                builder.WeakMergeFrom(ByteString.CopyFrom(inputData));
                Console.WriteLine(TextFormat.PrintToString(builder.WeakBuild()));
                return 0;
            }
            catch (Exception e)
            {
                Console.Error.WriteLine("Error: {0}", e.Message);
                Console.Error.WriteLine();
                Console.Error.WriteLine("Detailed exception information: {0}", e);
                return 1;
            }
        }
    }
}