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471d972e62
#rnx #rb none #ROBOMERGE-SOURCE: CL 10869240 via CL 10869516 via CL 10869902 #ROBOMERGE-BOT: (v613-10869866) [CL 10870584 by ryan durand in Main branch]
55 lines
1.3 KiB
C++
55 lines
1.3 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "GenericPlatform/GenericPlatformFile.h"
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#if WITH_ENGINE
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class IFileHandle;
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/** Helper class for generating an uncompressed zip archive file. */
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class FILEUTILITIES_API FZipArchiveWriter
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{
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struct FFileEntry
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{
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FString Filename;
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uint32 Crc32;
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uint64 Length;
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uint64 Offset;
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uint32 Time;
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FFileEntry(const FString& InFilename, uint32 InCrc32, uint64 InLength, uint64 InOffset, uint32 InTime)
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: Filename(InFilename)
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, Crc32(InCrc32)
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, Length(InLength)
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, Offset(InOffset)
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, Time(InTime)
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{}
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};
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TArray<FFileEntry> Files;
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TArray<uint8> Buffer;
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IFileHandle* File;
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inline void Write(uint16 V) { Write((void*)&V, sizeof(V)); }
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inline void Write(uint32 V) { Write((void*)&V, sizeof(V)); }
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inline void Write(uint64 V) { Write((void*)&V, sizeof(V)); }
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inline void Write(void* Src, uint64 Size)
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{
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void* Dst = &Buffer[Buffer.AddUninitialized(Size)];
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FMemory::Memcpy(Dst, Src, Size);
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}
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inline uint64 Tell() { return (File ? File->Tell() : 0) + Buffer.Num(); }
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void Flush();
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public:
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FZipArchiveWriter(IFileHandle* InFile);
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~FZipArchiveWriter();
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void AddFile(const FString& Filename, const TArray<uint8>& Data, const FDateTime& Timestamp);
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};
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#endif |