ManifestUObject.h

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// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
 
#include "CoreMinimal.h"
#include "UObject/ObjectMacros.h"
#include "UObject/Object.h"
#include "Misc/Guid.h"
#include "Misc/SecureHash.h"
#include "ManifestUObject.generated.h"
 
#ifndef BUILDPATCHSERVICES_NOUOBJECT
#define BUILDPATCHSERVICES_NOUOBJECT 0
#endif
 
class FBuildPatchAppManifest;
 
USTRUCT()
struct FCustomFieldData
{
public:
    GENERATED_USTRUCT_BODY()
    FCustomFieldData();
    FCustomFieldData(const FString& Key, const FString& Value);
 
public:
    UPROPERTY()
    FString Key;
 
    UPROPERTY()
    FString Value;
};
 
USTRUCT()
struct FSHAHashData
{
public:
    GENERATED_USTRUCT_BODY()
    FSHAHashData();
 
public:
    UPROPERTY()
    uint8 Hash[FSHA1::DigestSize];
 
};
static_assert(FSHA1::DigestSize == 20, "If this changes a lot of stuff here will break!");
 
USTRUCT()
struct FChunkInfoData
{
public:
    GENERATED_USTRUCT_BODY()
    FChunkInfoData();
 
public:
    UPROPERTY()
    FGuid Guid;
 
    UPROPERTY()
    uint64 Hash;
 
    UPROPERTY()
    FSHAHashData ShaHash;
 
    UPROPERTY()
    int64 FileSize;
 
    UPROPERTY()
    uint8 GroupNumber;
};
 
USTRUCT()
struct FChunkPartData
{
public:
    GENERATED_USTRUCT_BODY()
    FChunkPartData();
 
public:
    UPROPERTY()
    FGuid Guid;
 
    UPROPERTY()
    uint32 Offset;
 
    UPROPERTY()
    uint32 Size;
};
 
USTRUCT()
struct FFileManifestData
{
public:
    GENERATED_USTRUCT_BODY()
    FFileManifestData();
 
public:
    UPROPERTY()
    FString Filename;
 
    UPROPERTY()
    FSHAHashData FileHash;
 
    UPROPERTY()
    TArray<FChunkPartData> FileChunkParts;
 
    UPROPERTY()
    TArray<FString> InstallTags;
 
    UPROPERTY()
    bool bIsUnixExecutable;
 
    UPROPERTY()
    FString SymlinkTarget;
 
    UPROPERTY()
    bool bIsReadOnly;
 
    UPROPERTY()
    bool bIsCompressed;
};
 
UCLASS()
class UBuildPatchManifest : public UObject
{
public:
    GENERATED_UCLASS_BODY()
    ~UBuildPatchManifest();
 
public:
    UPROPERTY()
    uint8 ManifestFileVersion;
 
    UPROPERTY()
    bool bIsFileData;
 
    UPROPERTY()
    uint32 AppID;
 
    UPROPERTY()
    FString AppName;
 
    UPROPERTY()
    FString BuildVersion;
 
    UPROPERTY()
    FString LaunchExe;
 
    UPROPERTY()
    FString LaunchCommand;
 
    UPROPERTY()
    TSet<FString> PrereqIds;
 
    UPROPERTY()
    FString PrereqName;
 
    UPROPERTY()
    FString PrereqPath;
 
    UPROPERTY()
    FString PrereqArgs;
 
    UPROPERTY()
    TArray<FFileManifestData> FileManifestList;
 
    UPROPERTY()
    TArray<FChunkInfoData> ChunkList;
 
    UPROPERTY()
    TArray<FCustomFieldData> CustomFields;
};
 
class FManifestUObject
{
public:
    static void Init();
    static bool LoadFromMemory(const TArray<uint8>& DataInput, FBuildPatchAppManifest& AppManifest);
    static bool SaveToArchive(FArchive& Ar, const FBuildPatchAppManifest& AppManifest);
 
private:
    static bool LoadInternal(FArchive& Ar, FBuildPatchAppManifest& AppManifest);
    static bool SaveInternal(FArchive& Ar, const FBuildPatchAppManifest& AppManifest);
};