internal BlobReader GetBlobReader(BlobHandle handle)
{
if (handle.IsVirtual)
{
if (_lazyVirtualHeapBlobs == null)
{
Interlocked.CompareExchange(ref _lazyVirtualHeapBlobs, new VirtualHeapBlobTable(), null);
}
int index = (int)handle.GetVirtualIndex();
int length = s_virtualHeapBlobs[index].Length;
VirtualHeapBlob virtualBlob;
lock (_lazyVirtualHeapBlobs)
{
if (!_lazyVirtualHeapBlobs.Table.TryGetValue(handle, out virtualBlob))
{
virtualBlob = new VirtualHeapBlob(GetVirtualBlobArray(handle, unique: false));
_lazyVirtualHeapBlobs.Table.Add(handle, virtualBlob);
}
}
return(new BlobReader(new MemoryBlock((byte *)virtualBlob.Pinned.AddrOfPinnedObject(), length)));
}
int offset, size;
Block.PeekHeapValueOffsetAndSize(handle.Index, out offset, out size);
return(new BlobReader(this.Block.GetMemoryBlockAt(offset, size)));
}
private MemoryBlock GetVirtualHandleMemoryBlock(StringHandle handle)
{
Debug.Assert(handle.IsVirtual);
var heap = VirtualHeap.GetOrCreateVirtualHeap(ref _lazyVirtualHeap);
VirtualHeapBlob virtualBlob;
lock (heap)
{
if (!heap.Table.TryGetValue(handle.RawValue, out virtualBlob))
{
byte[] bytes;
switch (handle.StringKind)
{
case StringKind.Virtual:
bytes = Encoding.UTF8.GetBytes(GetVirtualString(handle.GetVirtualIndex()));
break;
case StringKind.WinRTPrefixed:
bytes = GetNonVirtualStringBytes(handle, MetadataReader.WinRTPrefix);
break;
default:
throw ExceptionUtilities.UnexpectedValue(handle.StringKind);
}
virtualBlob = new VirtualHeapBlob(bytes);
heap.Table.Add(handle.RawValue, virtualBlob);
}
}
return(virtualBlob.GetMemoryBlock());
}
private MemoryBlock GetVirtualHandleMemoryBlock(BlobHandle handle)
{
var heap = VirtualHeap.GetOrCreateVirtualHeap(ref _lazyVirtualHeap);
VirtualHeapBlob virtualBlob;
lock (heap)
{
if (!heap.Table.TryGetValue(handle.RawValue, out virtualBlob))
{
virtualBlob = new VirtualHeapBlob(GetVirtualBlobBytes(handle, unique: false));
heap.Table.Add(handle.RawValue, virtualBlob);
}
}
return(virtualBlob.GetMemoryBlock());
}
private MemoryBlock GetVirtualHandleMemoryBlock(BlobHandle handle)
{
var heap = VirtualHeap.GetOrCreateVirtualHeap(ref _lazyVirtualHeap);
VirtualHeapBlob virtualBlob;
lock (heap)
{
if (!heap.Table.TryGetValue(handle.RawValue, out virtualBlob))
{
virtualBlob = new VirtualHeapBlob(GetVirtualBlobBytes(handle, unique: false));
heap.Table.Add(handle.RawValue, virtualBlob);
}
}
return virtualBlob.GetMemoryBlock();
}
internal BlobReader GetBlobReader(BlobHandle handle)
{
if (handle.IsVirtual)
{
if (_lazyVirtualHeapBlobs == null)
{
Interlocked.CompareExchange(ref _lazyVirtualHeapBlobs, new VirtualHeapBlobTable(), null);
}
int index = (int)handle.GetVirtualIndex();
int length = s_virtualHeapBlobs[index].Length;
VirtualHeapBlob virtualBlob;
lock (_lazyVirtualHeapBlobs)
{
if (!_lazyVirtualHeapBlobs.Table.TryGetValue(handle, out virtualBlob))
{
virtualBlob = new VirtualHeapBlob(GetVirtualBlobArray(handle, unique: false));
_lazyVirtualHeapBlobs.Table.Add(handle, virtualBlob);
}
}
return new BlobReader(new MemoryBlock((byte*)virtualBlob.Pinned.AddrOfPinnedObject(), length));
}
int offset, size;
Block.PeekHeapValueOffsetAndSize(handle.Index, out offset, out size);
return new BlobReader(this.Block.GetMemoryBlockAt(offset, size));
}
private MemoryBlock GetVirtualHandleMemoryBlock(StringHandle handle)
{
Debug.Assert(handle.IsVirtual);
var heap = VirtualHeap.GetOrCreateVirtualHeap(ref _lazyVirtualHeap);
VirtualHeapBlob virtualBlob;
lock (heap)
{
if (!heap.Table.TryGetValue(handle.RawValue, out virtualBlob))
{
byte[] bytes;
switch (handle.StringKind)
{
case StringKind.Virtual:
bytes = Encoding.UTF8.GetBytes(GetVirtualString(handle.GetVirtualIndex()));
break;
case StringKind.WinRTPrefixed:
bytes = GetNonVirtualStringBytes(handle, MetadataReader.WinRTPrefix);
break;
default:
throw ExceptionUtilities.UnexpectedValue(handle.StringKind);
}
virtualBlob = new VirtualHeapBlob(bytes);
heap.Table.Add(handle.RawValue, virtualBlob);
}
}
return virtualBlob.GetMemoryBlock();
}
