private bool FmtBuf(byte[] nameBuf, int namePos, int nameLen, FileMode mode)
{
if (buf == null || buf.Length < ptr + EntrySize(mode, nameLen))
{
return(false);
}
mode.CopyTo(buf, ptr);
ptr += mode.CopyToLength();
buf[ptr++] = (byte)(' ');
System.Array.Copy(nameBuf, namePos, buf, ptr, nameLen);
ptr += nameLen;
buf[ptr++] = 0;
return(true);
}
/// <summary>Compute the size of a tree entry record.</summary>
/// <remarks>
/// Compute the size of a tree entry record.
/// This method can be used to estimate the correct size of a tree prior to
/// allocating a formatter. Getting the size correct at allocation time
/// ensures the internal buffer is sized correctly, reducing copying.
/// </remarks>
/// <param name="mode">the mode the entry will have.</param>
/// <param name="nameLen">the length of the name, in bytes.</param>
/// <returns>the length of the record.</returns>
public static int EntrySize(FileMode mode, int nameLen)
{
return(mode.CopyToLength() + nameLen + Constants.OBJECT_ID_LENGTH + 2);
}
/// <summary>Compute the size of a tree entry record.</summary>
/// <remarks>
/// Compute the size of a tree entry record.
/// This method can be used to estimate the correct size of a tree prior to
/// allocating a formatter. Getting the size correct at allocation time
/// ensures the internal buffer is sized correctly, reducing copying.
/// </remarks>
/// <param name="mode">the mode the entry will have.</param>
/// <param name="nameLen">the length of the name, in bytes.</param>
/// <returns>the length of the record.</returns>
public static int EntrySize(FileMode mode, int nameLen)
{
return mode.CopyToLength() + nameLen + Constants.OBJECT_ID_LENGTH + 2;
}
private bool FmtBuf(byte[] nameBuf, int namePos, int nameLen, FileMode mode)
{
if (buf == null || buf.Length < ptr + EntrySize(mode, nameLen))
{
return false;
}
mode.CopyTo(buf, ptr);
ptr += mode.CopyToLength();
buf[ptr++] = (byte)(' ');
System.Array.Copy(nameBuf, namePos, buf, ptr, nameLen);
ptr += nameLen;
buf[ptr++] = 0;
return true;
}