private void SaveDefinitionFixups(IList <ResourceDefinitionFixup> fixups, StructureValueCollection values,
IStream stream, TagBlockCache <ResourceDefinitionFixup> cache)
{
var oldCount = (int)values.GetIntegerOrDefault("number of definition fixups", 0);
uint oldAddress = (uint)values.GetIntegerOrDefault("definition fixup table address", 0);
long oldExpand = _expander.Expand(oldAddress);
StructureLayout layout = _buildInfo.Layouts.GetLayout("definition fixup element");
long newAddress;
if (!cache.TryGetAddress(fixups, out newAddress))
{
// Write a new block
IEnumerable <StructureValueCollection> entries = fixups.Select(f => SerializeDefinitionFixup(f));
newAddress = TagBlockWriter.WriteTagBlock(entries, oldCount, oldExpand, fixups.Count, layout, _metaArea,
_allocator, stream);
cache.Add(newAddress, fixups);
}
else if (oldAddress != 0 && oldCount > 0)
{
// Block was cached - just free it
_allocator.Free(oldExpand, oldCount * layout.Size);
}
uint cont = _expander.Contract(newAddress);
values.SetInteger("number of definition fixups", (uint)fixups.Count);
values.SetInteger("definition fixup table address", cont);
}
private void SaveBitArray(BitArray bits, string countName, string addressName, MetaAllocator allocator, IStream stream, TagBlockCache <int> cache, StructureValueCollection values, IPointerExpander expander)
{
if (bits.Length == 0)
{
values.SetInteger(countName, 0);
values.SetInteger(addressName, 0);
return;
}
var ints = bits.ToIntArray();
// If the address isn't cached, then allocate space and write a new array
long newAddress;
if (!cache.TryGetAddress(ints, out newAddress))
{
newAddress = allocator.Allocate(ints.Length * 4, stream);
stream.SeekTo(_metaArea.PointerToOffset(newAddress));
foreach (int i in ints)
{
stream.WriteInt32(i);
}
cache.Add(newAddress, ints);
}
uint cont = expander.Contract(newAddress);
values.SetInteger(countName, (uint)ints.Length);
values.SetInteger(addressName, cont);
}
private void SaveSizeParts(IList <ResourceSizePart> parts, StructureValueCollection values, IStream stream,
TagBlockCache <ResourceSizePart> cache)
{
var oldCount = (int)values.GetIntegerOrDefault("number of size parts", 0);
uint oldAddress = (uint)values.GetIntegerOrDefault("size part table address", 0);
long expand = _expander.Expand(oldAddress);
StructureLayout layout = _buildInfo.Layouts.GetLayout("size part table element");
long newAddress;
if (!cache.TryGetAddress(parts, out newAddress))
{
// Write a new block
IEnumerable <StructureValueCollection> entries = parts.Select(p => SerializeSizePart(p));
newAddress = TagBlockWriter.WriteTagBlock(entries, oldCount, expand, parts.Count, layout, _metaArea,
_allocator, stream);
cache.Add(newAddress, parts);
}
else if (oldAddress != 0 && oldCount > 0)
{
// Block was cached - just free it
_allocator.Free(expand, oldCount * layout.Size);
}
uint cont = _expander.Contract(newAddress);
values.SetInteger("number of size parts", (uint)parts.Count);
values.SetInteger("size part table address", cont);
}
public IList <ResourcePointer> SaveResources(ICollection <Resource> resources, IStream stream)
{
StructureValueCollection values = LoadTag(stream);
StructureLayout layout = _buildInfo.Layouts.GetLayout("resource table element");
FreeResources(values, stream);
FreeInfoBuffer(values);
// Serialize each resource element
// This can't be lazily evaluated because allocations might cause the stream to expand
int infoOffset = 0;
int altInfoOffset = 0;
var infocache = new TagBlockCache <int>();
var pointers = new List <ResourcePointer>();
var entries = new List <StructureValueCollection>();
var fixupCache = new TagBlockCache <ResourceFixup>();
var defFixupCache = new TagBlockCache <ResourceDefinitionFixup>();
List <byte[]> paddedInfos = new List <byte[]>();
foreach (Resource resource in resources)
{
StructureValueCollection entry = SerializeResource(resource, (resource.Location != null) ? pointers.Count : -1, stream);
entries.Add(entry);
// Save fixups
SaveResourceFixups(resource.ResourceFixups, entry, stream, fixupCache);
SaveDefinitionFixups(resource.DefinitionFixups, entry, stream, defFixupCache);
uint bits = (uint)entry.GetInteger("resource bits");
int size = (int)entry.GetInteger("resource info size");
List <int> offsets = new List <int>();
if (size > 0)
{
int dirtyoffset = infoOffset;
infoOffset = AlignInfoBlockOffset(resource, infoOffset);
offsets.Add(infoOffset);
int padding = infoOffset - dirtyoffset;
byte[] temp = new byte[padding + size];
Buffer.BlockCopy(resource.Info, 0, temp, padding, size);
paddedInfos.Add(temp);
infoOffset += size;
}
else
{
offsets.Add(0);
}
if ((bits & 2) > 0)
{
int tempalt = AlignInfoBlockOffset(resource, altInfoOffset);
offsets.Add(tempalt);
altInfoOffset += size;
}
else
{
offsets.Add(size > 0 ? -1 : 0);
}
if ((bits & 4) > 0)
{
int tempalt = AlignInfoBlockOffset(resource, altInfoOffset);
offsets.Add(tempalt);
altInfoOffset += size;
}
else
{
offsets.Add(size > 0 ? -1 : 0);
}
if (layout.HasField("number of resource info offsets"))
{
var oldCount = (int)entry.GetIntegerOrDefault("number of resource info offsets", 0);
uint oldAddress = (uint)entry.GetIntegerOrDefault("resource info offsets table address", 0);
long expand = _expander.Expand(oldAddress);
StructureLayout infolayout = _buildInfo.Layouts.GetLayout("resource info offset element");
if (size > 0)
{
long newBlockAddress;
// Write a new block
IEnumerable <StructureValueCollection> infoentries = offsets.Select(f => SerializeInfos(f));
newBlockAddress = TagBlockWriter.WriteTagBlock(infoentries, oldCount, expand, offsets.Count, infolayout, _metaArea,
_allocator, stream);
infocache.Add(newBlockAddress, offsets);
uint cont = _expander.Contract(newBlockAddress);
entry.SetInteger("number of resource info offsets", (uint)offsets.Count);
entry.SetInteger("resource info offsets table address", cont);
}
else
{
entry.SetInteger("number of resource info offsets", 0);
entry.SetInteger("resource info offsets table address", 0);
}
}
else
{
if (size > 0)
{
entry.SetInteger("resource info offset", (uint)offsets[0]);
entry.SetInteger("alt resource info offset", (uint)offsets[1]);
}
else
{
entry.SetInteger("resource info offset", 0);
entry.SetInteger("alt resource info offset", 0);
}
}
// Update pointer info
if (resource.Location != null)
{
pointers.Add(resource.Location);
}
}
// Write the block and update the tag values
long newAddress = TagBlockWriter.WriteTagBlock(entries, layout, _metaArea, _allocator, stream);
uint contr = _expander.Contract(newAddress);
values.SetInteger("number of resources", (uint)entries.Count);
values.SetInteger("resource table address", contr);
// Save the info buffer
SaveResourceInfoBuffer(paddedInfos.SelectMany(a => a).ToArray(), values, stream);
SaveTag(values, stream);
return(pointers);
}
