public void ResourceDirectroyEntryByNameConstructorWorks_Test()
{
var resourceDirectroyEntry =
new ImageResourceDirectoryEntry(new BufferFile(RawStructures.RawResourceDirectoryEntryByName), 2, 2);
Assert.True(resourceDirectroyEntry.IsNamedEntry);
Assert.False(resourceDirectroyEntry.IsIdEntry);
Assert.Equal(0x80332211, resourceDirectroyEntry.Name);
Assert.Equal((uint)0x55443322, resourceDirectroyEntry.OffsetToData);
}
private static void ValidateResourceEntry(ImageResourceDirectoryEntry originalEntry, ImageResourceDirectoryEntry directoryEntry)
{
Assert.Equal(originalEntry.Name, directoryEntry.Name);
Assert.Equal(originalEntry.ResourceType, directoryEntry.ResourceType);
Assert.Equal(originalEntry.HasData, directoryEntry.HasData);
if (originalEntry.HasData)
{
Assert.Equal(originalEntry.DataEntry.Data, directoryEntry.DataEntry.Data);
}
else
{
ValidateResourceDirectory(originalEntry.SubDirectory, directoryEntry.SubDirectory);
}
}
internal ImageResourceDirectory ReadResourceDirectory(ulong virtualAddress, int index, ImageResourceDirectoryEntry?entry)
{
_reader.SetPosition(_baseAddress, entry?.OffsetToData ?? 0);
var result = new ImageResourceDirectory()
{
Index = index,
Id = entry?.Id ?? 0,
Level = entry?.Level ?? 0,
HasName = entry?.IdIsName ?? true,
Name = entry?.Name ?? "<root>",
Characteristics = _reader.ReadUInt32(),
TimeDateStamp = _reader.ReadUInt32(),
MajorVersion = _reader.ReadUInt16(),
MinorVersion = _reader.ReadUInt16(),
NumberOfNamedEntries = _reader.ReadUInt16(),
NumberOfIdEntries = _reader.ReadUInt16()
};
var totalEntries = result.NumberOfIdEntries + result.NumberOfNamedEntries;
var entries = new ImageResourceDirectoryEntry[totalEntries];
for (var i = 0; i < entries.Length; i++)
{
entries[i] = ReadResourceDirectoryEntry(result.Level + 1);
}
var dirEntries = new List <ImageResourceDirectory>();
var dataEntries = new List <ImageResourceData>();
var idx = 0;
foreach (var dir in entries.Where(e => e.IsDirectory))
{
dirEntries.Add(ReadResourceDirectory(virtualAddress, idx++, dir));
}
foreach (var data in entries.Where(e => e.IsData))
{
dataEntries.Add(ReadResourceData(virtualAddress, data));
}
result.Directories = dirEntries.ToImmutableArray();
result.Data = dataEntries.ToImmutableArray();
return(result);
}
private ImageResourceDirectoryEntry ReadResourceDirectoryEntry(int level)
{
var result = new ImageResourceDirectoryEntry()
{
Level = level,
Id = _reader.ReadUInt32(),
OffsetToData = _reader.ReadUInt32()
};
if (result.IdIsName)
{
result.Name = ReadResourceDirectoryString(result.OffsetToName);
}
return(result);
}
private ImageResourceData ReadResourceData(ulong virtualAddress, ImageResourceDirectoryEntry entry)
{
_reader.SetPosition(_baseAddress, entry.OffsetToData);
var delta = (int)virtualAddress - (int)_baseAddress;
return(new()
{
Id = entry.Id,
Level = entry.Level,
Name = entry.Name,
OffsetToData = (ulong)((int)_reader.ReadUInt32() - delta),
Size = _reader.ReadUInt32(),
CodePage = _reader.ReadUInt32(),
Reserved = _reader.ReadUInt32()
});
}
