ResourceDirectoryTable CloneResourceDirectoryTable (ResourceDirectoryTable old)
{
ResourceDirectoryTable rdt = new ResourceDirectoryTable ();
foreach (ResourceDirectoryEntry oldEntry in old.Entries)
rdt.Entries.Add (CloneResourceDirectoryEntry (oldEntry));
return rdt;
}
ResourceDirectoryTable CloneResourceDirectoryTable(ResourceDirectoryTable old)
{
ResourceDirectoryTable rdt = new ResourceDirectoryTable();
foreach (ResourceDirectoryEntry oldEntry in old.Entries)
{
rdt.Entries.Add(CloneResourceDirectoryEntry(oldEntry));
}
return(rdt);
}
static ResourceNode GetResourceNode(Stream stream, long position, long rsrcVa, long rsrcStart, uint id,
string name, int level)
{
long oldPosition = stream.Position;
ResourceNode thisNode = new ResourceNode {
name = name, id = id, level = level
};
if (thisNode.name == null)
{
thisNode.name = level == 1 ? Windows.Resources.IdToName((ushort)thisNode.id) : $"{thisNode.id}";
}
stream.Position = position;
byte[] buffer = new byte[Marshal.SizeOf(typeof(ResourceDirectoryTable))];
stream.Read(buffer, 0, buffer.Length);
ResourceDirectoryTable rsrcTable =
BigEndianMarshal.ByteArrayToStructureLittleEndian <ResourceDirectoryTable>(buffer);
buffer = new byte[Marshal.SizeOf(typeof(ResourceDirectoryEntries))];
ResourceDirectoryEntries[] entries =
new ResourceDirectoryEntries[rsrcTable.nameEntries + rsrcTable.idEntries];
for (int i = 0; i < rsrcTable.nameEntries; i++)
{
stream.Read(buffer, 0, buffer.Length);
entries[i] = BigEndianMarshal.ByteArrayToStructureLittleEndian <ResourceDirectoryEntries>(buffer);
}
for (int i = 0; i < rsrcTable.idEntries; i++)
{
stream.Read(buffer, 0, buffer.Length);
entries[rsrcTable.nameEntries + i] =
BigEndianMarshal.ByteArrayToStructureLittleEndian <ResourceDirectoryEntries>(buffer);
}
thisNode.children = new ResourceNode[entries.Length];
for (int i = 0; i < rsrcTable.nameEntries; i++)
{
byte[] len = new byte[2];
stream.Position = rsrcStart + (entries[i].nameOrID & 0x7FFFFFFF);
stream.Read(len, 0, 2);
buffer = new byte[BitConverter.ToUInt16(len, 0) * 2];
stream.Read(buffer, 0, buffer.Length);
string childName = Encoding.Unicode.GetString(buffer);
if ((entries[i].rva & 0x80000000) == 0x80000000)
{
thisNode.children[i] = GetResourceNode(stream, rsrcStart + (entries[i].rva & 0x7FFFFFFF), rsrcVa,
rsrcStart, 0,
childName, level + 1);
}
else
{
buffer = new byte[Marshal.SizeOf(typeof(ResourceDataEntry))];
stream.Position = rsrcStart + (entries[i].rva & 0x7FFFFFFF);
stream.Read(buffer, 0, buffer.Length);
ResourceDataEntry dataEntry =
BigEndianMarshal.ByteArrayToStructureLittleEndian <ResourceDataEntry>(buffer);
thisNode.children[i] = new ResourceNode
{
data = new byte[dataEntry.size],
id = 0,
name = childName,
level = level + 1
};
stream.Position = dataEntry.rva - (rsrcVa - rsrcStart);
stream.Read(thisNode.children[i].data, 0, (int)dataEntry.size);
}
}
for (int i = rsrcTable.nameEntries; i < rsrcTable.nameEntries + rsrcTable.idEntries; i++)
{
if ((entries[i].rva & 0x80000000) == 0x80000000)
{
thisNode.children[i] = GetResourceNode(stream, rsrcStart + (entries[i].rva & 0x7FFFFFFF), rsrcVa,
rsrcStart, entries[i].nameOrID & 0x7FFFFFFF, null,
level + 1);
}
else
{
buffer = new byte[Marshal.SizeOf(typeof(ResourceDataEntry))];
stream.Position = rsrcStart + (entries[i].rva & 0x7FFFFFFF);
stream.Read(buffer, 0, buffer.Length);
ResourceDataEntry dataEntry =
BigEndianMarshal.ByteArrayToStructureLittleEndian <ResourceDataEntry>(buffer);
thisNode.children[i] = new ResourceNode
{
data = new byte[dataEntry.size],
id = entries[i].nameOrID & 0x7FFFFFFF,
name = $"{entries[i].nameOrID & 0x7FFFFFFF}",
level = level + 1
};
if (level == 2)
{
if (thisNode.children[i].id == 0)
{
thisNode.children[i].name = "Neutral";
}
else
{
try
{
thisNode.children[i].name = new CultureInfo((int)thisNode.children[i].id).DisplayName;
}
catch { thisNode.children[i].name = $"Language ID {thisNode.children[i].id}"; }
}
}
stream.Position = dataEntry.rva - (rsrcVa - rsrcStart);
stream.Read(thisNode.children[i].data, 0, (int)dataEntry.size);
}
}
stream.Position = oldPosition;
return(thisNode);
}
