Pad data to a WORD. : Encoding « Internationalization I18N « C# / C Sharp

1. C# / C Sharp
2. Internationalization I18N
3. Encoding

Pad data to a WORD.

  
using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;
using System.IO;

namespace Vestris.ResourceLib
{
    /// <summary>
    /// Resource utilities.
    /// </summary>
    public abstract class ResourceUtil
    {

        /// <summary>
        /// Pad data to a WORD.
        /// </summary>
        /// <param name="w">Binary stream.</param>
        /// <returns>New position within the binary stream.</returns>
        internal static long PadToWORD(BinaryWriter w)
        {
            long pos = w.BaseStream.Position;

            if (pos % 2 != 0)
            {
                long count = 2 - pos % 2;
                Pad(w, (UInt16)count);
                pos += count;
            }

            return pos;
        }

        /// <summary>
        /// Pad bytes.
        /// </summary>
        /// <param name="w">Binary stream.</param>
        /// <param name="len">Number of bytes to write.</param>
        /// <returns>New position within the stream.</returns>
        internal static long Pad(BinaryWriter w, UInt16 len)
        {
            while (len-- > 0)
                w.Write((byte)0);
            return w.BaseStream.Position;
        }
        /// <summary>
        /// Pad data to a DWORD.
        /// </summary>
        /// <param name="w">Binary stream.</param>
        /// <returns>New position within the binary stream.</returns>
        internal static long PadToDWORD(BinaryWriter w)
        {
            long pos = w.BaseStream.Position;

            if (pos % 4 != 0)
            {
                long count = 4 - pos % 4;
                Pad(w, (UInt16)count);
                pos += count;
            }

            return pos;
        }
    }
}

   
    
  

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