private static GrfItem Create
(
GrfArchive grf,
string name,
int compressedLength,
int compressedLengthAligned,
int realLength,
GrfFileFlags flags,
int position
)
{
GrfItem ret;
if (IsDirectory(compressedLength, compressedLengthAligned, realLength, flags, position))
{
ret = new GrfDirectoryInfo();
}
else
{
ret = new GrfFileInfo();
}
ret.m_Grf = grf;
ret.m_Name = FilenameEncoding.Encode(name);
ret.m_AlignedCompressedLength = compressedLengthAligned;
ret.m_CompressedLength = compressedLength;
ret.m_Length = realLength;
ret.m_Flags = flags;
ret.m_Position = position;
ret.m_Hash = NameHash(ret.m_Name);
return(ret);
}
/// <summary>
/// Adds a new <see cref="GrfItem"/> to the <see cref="GrfArchive"/>.
/// </summary>
/// <param name="grfname">The filename inside the <see cref="GrfArchive"/>.</param>
/// <param name="flags">The <see cref="GrfFileFlags"/> for this entry.</param>
/// <param name="data">The data of the file, or null if the <see cref="GrfItem"/> is a folder.</param>
/// <exception cref="ObjectDisposedException">
/// Thrown when the <see cref="GrfArchive"/> is closed.
/// </exception>
/// <exception cref="ArgumentNullException">
/// Thrown when the grfname is null or empty, or when the flags indicate a file and the data is null.
/// </exception>
/// <exception cref="AccessViolationException">
/// Thrown when the <see cref="GrfArchive"/> is read-only.
/// </exception>
private void Add(string grfname, GrfFileFlags flags, byte[] data)
{
if (m_Grf.IsDisposed)
{
throw new ObjectDisposedException(m_Grf.GetType().Name);
}
if (m_Grf.IsReadOnly)
{
throw new AccessViolationException("The GrfArchive is read-only");
}
if (string.IsNullOrEmpty(grfname))
{
throw new ArgumentNullException("filename");
}
if ((flags & GrfFileFlags.File) == GrfFileFlags.File && data == null)
{
throw new ArgumentNullException("data");
}
GrfItem add;
int i = IndexOf(grfname);
if ((flags & GrfFileFlags.File) == GrfFileFlags.None || data == null)
{
add = new GrfDirectoryInfo(m_Grf, grfname, flags);
}
else
{
add = new GrfFileInfo(m_Grf, grfname, flags, data);
}
if (i >= 0)
{
m_Items[i] = add;
}
else
{
m_Items.Add(add);
}
m_Grf.Modified = true;
}
/// <summary>
/// Adds a <see cref="GrfItem"/> to the <see cref="GrfArchive"/>.
/// </summary>
/// <param name="item">The <see cref="GrfItem"/> to add.</param>
/// <exception cref="ObjectDisposedException">
/// Thrown when the <see cref="GrfArchive"/> is closed.
/// </exception>
/// <exception cref="AccessViolationException">
/// Thrown when the <see cref="GrfArchive"/> is read-only.
/// </exception>
public void Add(GrfItem item)
{
if (m_Grf.IsDisposed)
{
throw new ObjectDisposedException(m_Grf.GetType().Name);
}
if (m_Grf.IsReadOnly)
{
throw new AccessViolationException("The GrfArchive is read-only");
}
int i = IndexOf(item.Name);
if (item is GrfDirectoryInfo)
{
GrfDirectoryInfo add = new GrfDirectoryInfo(m_Grf, item.Name, item.Flags);
if (i < 0)
{
GrfAdd(add);
}
else
{
m_Items[i] = add;
}
}
else if (item is GrfFileInfo)
{
GrfFileInfo add, file = (GrfFileInfo)item;
add = new GrfFileInfo(m_Grf, item.Name, item.Flags, file.Data);
if (i < 0)
{
GrfAdd(add);
}
else
{
m_Items[i] = add;
}
}
}
