ByteArrayHelperWithString.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WCF / Serialization / System / Runtime / Serialization / Json / ByteArrayHelperWithString.cs / 1305376 / ByteArrayHelperWithString.cs
                        

                        
                            //---------------------------------------------------------------- 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//---------------------------------------------------------------

namespace System.Runtime.Serialization.Json 
{
    using System; 
    using System.Collections.Generic; 
    using System.Text;
    using System.Xml; 

    class ByteArrayHelperWithString : ArrayHelper
    {
        static public readonly ByteArrayHelperWithString Instance = new ByteArrayHelperWithString(); 

        internal void WriteArray(XmlWriter writer, byte[] array, int offset, int count) 
        { 
            XmlJsonReader.CheckArray(array, offset, count);
            writer.WriteAttributeString(string.Empty, JsonGlobals.typeString, string.Empty, JsonGlobals.arrayString); 
            for (int i = 0; i < count; i++)
            {
                writer.WriteStartElement(JsonGlobals.itemString, string.Empty);
                writer.WriteAttributeString(string.Empty, JsonGlobals.typeString, string.Empty, JsonGlobals.numberString); 
                writer.WriteValue((int) array[offset + i]);
                writer.WriteEndElement(); 
            } 
        }
 
        protected override int ReadArray(XmlDictionaryReader reader, string localName, string namespaceUri, byte[] array, int offset, int count)
        {
            XmlJsonReader.CheckArray(array, offset, count);
            int actual = 0; 
            while (actual < count && reader.IsStartElement(JsonGlobals.itemString, string.Empty))
            { 
                array[offset + actual] = ToByte(reader.ReadElementContentAsInt()); 
                actual++;
            } 
            return actual;
        }

        protected override void WriteArray(XmlDictionaryWriter writer, string prefix, string localName, string namespaceUri, byte[] array, int offset, int count) 
        {
            WriteArray(writer, array, offset, count); 
        } 

        void ThrowConversionException(string value, string type) 
        {
            throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(SR.GetString(SR.XmlInvalidConversion, value, type)));
        }
 
        byte ToByte(int value)
        { 
            if (value < byte.MinValue || value > byte.MaxValue) 
            {
                ThrowConversionException(value.ToString(System.Globalization.NumberFormatInfo.CurrentInfo), "Byte"); 
            }
            return (byte) value;
        }
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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