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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.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Text;
namespace Google.ProtocolBuffers
{
/// <summary>
/// All generated protocol message classes extend this class. It implements
/// most of the IMessage interface using reflection. Users
/// can ignore this class as an implementation detail.
/// </summary>
public abstract partial class GeneratedMessageLite<TMessage, TBuilder> : AbstractMessageLite<TMessage, TBuilder>
where TMessage : GeneratedMessageLite<TMessage, TBuilder>
where TBuilder : GeneratedBuilderLite<TMessage, TBuilder>
{
protected abstract TMessage ThisMessage { get; }
public override sealed string ToString()
{
using (StringWriter wtr = new StringWriter())
{
PrintTo(wtr);
return wtr.ToString();
}
}
/// <summary>
/// PrintTo() helper methods for Lite Runtime
/// </summary>
protected static void PrintField<T>(string name, IList<T> value, TextWriter writer)
{
foreach (T item in value)
{
PrintField(name, true, (object) item, writer);
}
}
/// <summary>
/// PrintTo() helper methods for Lite Runtime
/// </summary>
protected static void PrintField(string name, bool hasValue, object value, TextWriter writer)
{
if (!hasValue)
{
return;
}
if (value is IMessageLite)
{
writer.WriteLine("{0} {{", name);
((IMessageLite) value).PrintTo(writer);
writer.WriteLine("}");
}
else if (value is ByteString || value is String)
{
writer.Write("{0}: \"", name);
if (value is String)
{
EscapeBytes(Encoding.UTF8.GetBytes((string) value), writer);
}
else
{
EscapeBytes(((ByteString) value), writer);
}
writer.WriteLine("\"");
}
else if (value is bool)
{
writer.WriteLine("{0}: {1}", name, (bool) value ? "true" : "false");
}
else if (value is IEnumLite)
{
writer.WriteLine("{0}: {1}", name, ((IEnumLite) value).Name);
}
else
{
writer.WriteLine("{0}: {1}", name, ((IConvertible)value).ToString(FrameworkPortability.InvariantCulture));
}
}
/// <summary>
/// COPIED from TextFormat
/// Escapes bytes in the format used in protocol buffer text format, which
/// is the same as the format used for C string literals. All bytes
/// that are not printable 7-bit ASCII characters are escaped, as well as
/// backslash, single-quote, and double-quote characters. Characters for
/// which no defined short-hand escape sequence is defined will be escaped
/// using 3-digit octal sequences.
/// The returned value is guaranteed to be entirely ASCII.
/// </summary>
private static void EscapeBytes(IEnumerable<byte> input, TextWriter writer)
{
foreach (byte b in input)
{
switch (b)
{
// C# does not use \a or \v
case 0x07:
writer.Write("\\a");
break;
case (byte) '\b':
writer.Write("\\b");
break;
case (byte) '\f':
writer.Write("\\f");
break;
case (byte) '\n':
writer.Write("\\n");
break;
case (byte) '\r':
writer.Write("\\r");
break;
case (byte) '\t':
writer.Write("\\t");
break;
case 0x0b:
writer.Write("\\v");
break;
case (byte) '\\':
writer.Write("\\\\");
break;
case (byte) '\'':
writer.Write("\\\'");
break;
case (byte) '"':
writer.Write("\\\"");
break;
default:
if (b >= 0x20 && b < 128)
{
writer.Write((char) b);
}
else
{
writer.Write('\\');
writer.Write((char) ('0' + ((b >> 6) & 3)));
writer.Write((char) ('0' + ((b >> 3) & 7)));
writer.Write((char) ('0' + (b & 7)));
}
break;
}
}
}
}
}
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