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7e2e44ebf4
- Removed the "Cache" prefix from ECachePriority, FCacheRequest, ICacheRequest, FCachePayload, FCachePayloadId to allow reuse in the Build API. - Added FCompressedBuffer as the starting point for the API for creating and accessing compressed buffers. #rb Zousar.Shaker #rnx [CL 15511723 by Devin Doucette in ue5-main branch]
111 lines
3.4 KiB
C++
111 lines
3.4 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "DerivedDataPayload.h"
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#include "Containers/StringConv.h"
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#include "Containers/UnrealString.h"
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#include "Misc/StringBuilder.h"
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#include "Serialization/CompactBinary.h"
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namespace UE
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{
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namespace DerivedData
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{
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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FPayloadId FPayloadId::FromHash(const FIoHash& Hash)
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{
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checkf(!Hash.IsZero(), TEXT("PayloadId requires a non-zero hash."));
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return FPayloadId(MakeMemoryView(Hash.GetBytes()).Left(sizeof(ByteArray)));
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}
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FPayloadId FPayloadId::FromName(const FAnsiStringView Name)
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{
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checkf(!Name.IsEmpty(), TEXT("PayloadId requires a non-empty name."));
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return FPayloadId::FromHash(FIoHash::HashBuffer(Name.GetData(), Name.Len()));
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}
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FPayloadId FPayloadId::FromName(const FWideStringView Name)
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{
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checkf(!Name.IsEmpty(), TEXT("PayloadId requires a non-empty name."));
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TAnsiStringBuilder<128> Name8;
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const int32 Len = int32(FTCHARToUTF8_Convert::ConvertedLength(Name.GetData(), Name.Len()));
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const int32 Offset = Name8.AddUninitialized(Len);
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const int32 WrittenLen = FTCHARToUTF8_Convert::Convert(Name8.GetData() + Offset, Len, Name.GetData(), Name.Len());
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checkf(Len == WrittenLen, TEXT("Name '%.*s' failed to convert to a PayloadId."), Name.Len(), Name.GetData());
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return FPayloadId::FromName(Name8);
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}
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FPayloadId FPayloadId::FromObjectId(const FCbObjectId& ObjectId)
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{
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checkf(ObjectId != FCbObjectId(), TEXT("PayloadId requires a non-zero ObjectId."));
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return FPayloadId(ObjectId.GetView());
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}
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FCbObjectId FPayloadId::ToObjectId() const
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{
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return FCbObjectId(GetView());
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}
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void FPayloadId::ToString(FAnsiStringBuilderBase& Builder) const
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{
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UE::String::BytesToHexLower(Bytes, Builder);
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}
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void FPayloadId::ToString(FWideStringBuilderBase& Builder) const
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{
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UE::String::BytesToHexLower(Bytes, Builder);
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}
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FString FPayloadId::ToString() const
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{
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TStringBuilder<16> Out;
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ToString(Out);
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return FString(Out);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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FPayload::FPayload(const FPayloadId& InId, const FIoHash& InHash)
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: Id(InId)
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, Hash(InHash)
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{
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checkf(Id.IsValid(), TEXT("A valid PayloadId is required to construct a payload."));
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}
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FPayload::FPayload(const FPayloadId& InId, const FIoHash& InHash, FCompressedBuffer InBuffer)
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: Id(InId)
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, Hash(InHash)
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, Buffer(MoveTemp(InBuffer))
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{
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checkf(Id.IsValid(), TEXT("A valid PayloadId is required to construct a payload."));
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if (Buffer.GetCompressedSize())
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{
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checkfSlow(Hash == FIoHash::HashBuffer(Buffer.GetCompressed()),
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TEXT("Provided compressed data hash %s does not match calculated hash %s"),
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*Hash.ToString(), *FIoHash::HashBuffer(Buffer.GetCompressed()).ToString());
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checkf(!Hash.IsZero(), TEXT("A non-empty compressed data buffer must have a non-zero hash."));
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}
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else
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{
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checkf(Hash.IsZero(), TEXT("A null or empty compressed data buffer must use a hash of zero."));
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}
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}
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FPayload::FPayload(const FPayloadId& InId, FCompressedBuffer InBuffer)
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: Id(InId)
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, Buffer(MoveTemp(InBuffer))
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{
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checkf(Id.IsValid(), TEXT("A valid PayloadId is required to construct a payload."));
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if (Buffer.GetCompressedSize())
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{
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Hash = FIoHash::HashBuffer(Buffer.GetCompressed());
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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} // DerivedData
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} // UE
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