#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.Collections;
using System.Globalization;
using Google.ProtocolBuffers.Descriptors;
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 class GeneratedMessageLite<TMessage, TBuilder> : AbstractMessageLite<TMessage, TBuilder>
where TMessage : GeneratedMessageLite<TMessage, TBuilder>
where TBuilder : GeneratedBuilderLite<TMessage, TBuilder> {
protected abstract TMessage ThisMessage { get; }
public sealed override string ToString() {
using (System.IO.StringWriter wtr = new System.IO.StringWriter()) {
PrintTo(wtr);
return wtr.ToString();
}
}
/// <summary>
/// PrintTo() helper methods for Lite Runtime
/// </summary>
protected static void PrintField<T>(string name, IList<T> value, System.IO.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, System.IO.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( System.Text.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(CultureInfo.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, System.IO.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;
}
}
}
}
}