src/ProtocolBuffers/Serialization/AbstractTextWriter.cs

using System;
using System.Xml;

namespace Google.ProtocolBuffers.Serialization
{
    /// <summary>
    /// Provides a base class for text writers
    /// </summary>
    public abstract class AbstractTextWriter : AbstractWriter
    {
        /// <summary>
        /// Encodes raw bytes to be written to the stream
        /// </summary>
        protected virtual string EncodeBytes(ByteString bytes) { return bytes.ToBase64(); }

        /// <summary>
        /// Writes a typed field as a text value
        /// </summary>
        protected abstract void WriteAsText(string field, string textValue, object typedValue);

        /// <summary>
        /// Writes a String value
        /// </summary>
        protected override void Write(string field, string value) { WriteAsText(field, value, value); }

        /// <summary>
        /// Writes a Boolean value
        /// </summary>
        protected override void Write(string field, bool value) { WriteAsText(field, XmlConvert.ToString(value), value); }

        /// <summary>
        /// Writes a Int32 value
        /// </summary>
        protected override void Write(string field, int value) { WriteAsText(field, XmlConvert.ToString(value), value); }

        /// <summary>
        /// Writes a UInt32 value
        /// </summary>
        [CLSCompliant(false)]
        protected override void Write(string field, uint value) { WriteAsText(field, XmlConvert.ToString(value), value); }

        /// <summary>
        /// Writes a Int64 value
        /// </summary>
        protected override void Write(string field, long value) { WriteAsText(field, XmlConvert.ToString(value), value); }

        /// <summary>
        /// Writes a UInt64 value
        /// </summary>
        [CLSCompliant(false)]
        protected override void Write(string field, ulong value) { WriteAsText(field, XmlConvert.ToString(value), value); }

        /// <summary>
        /// Writes a Single value
        /// </summary>
        protected override void Write(string field, float value) { WriteAsText(field, XmlConvert.ToString(value), value); }

        /// <summary>
        /// Writes a Double value
        /// </summary>
        protected override void Write(string field, double value) { WriteAsText(field, XmlConvert.ToString(value), value); }

        /// <summary>
        /// Writes a set of bytes
        /// </summary>
        protected override void Write(string field, ByteString value) { WriteAsText(field, EncodeBytes(value), value); }

        /// <summary>
        /// Writes a System.Enum by the numeric and textual value
        /// </summary>
        protected override void WriteEnum(string field, int number, string name) { WriteAsText(field, name, number); }
    }
}