/// <summary>Obtains a buffer for formatting.</summary>
/// <remarks>Obtains a buffer for formatting.</remarks>
/// <param name="charBuffer">a buffer already available, or <code>null</code></param>
/// <returns>
/// the cleared argument buffer if there is one, or
/// a new empty buffer that can be used for formatting
/// </returns>
protected internal virtual CharArrayBuffer InitBuffer(CharArrayBuffer charBuffer)
{
CharArrayBuffer buffer = charBuffer;
if (buffer != null)
{
buffer.Clear();
}
else
{
buffer = new CharArrayBuffer(64);
}
return(buffer);
}