1 files changed, 73 insertions, 0 deletions
diff --git a/src/ProtocolBuffers/Serialization/AbstractTextWriter.cs b/src/ProtocolBuffers/Serialization/AbstractTextWriter.cs
new file mode 100644
index 00000000..75acc0f4
--- /dev/null
+++ b/src/ProtocolBuffers/Serialization/AbstractTextWriter.cs
@@ -0,0 +1,73 @@
+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); }
+    }
+}
+\ No newline at end of file