ConfigTypes.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreTypes.h"
#include "Containers/Array.h"
#include "Containers/Utf8String.h"
#include "Containers/UnrealString.h"
#include "Containers/Map.h"
#include "CoreGlobals.h"
 
 
class FConfigFileHierarchy : public TMap<int32, FUtf8String>
{
private:
    int32 KeyGen = 0;
 
public:
    FConfigFileHierarchy();
 
    friend FArchive& operator<<(FArchive& Ar, FConfigFileHierarchy& ConfigFileHierarchy)
    {
        Ar << static_cast<FConfigFileHierarchy::Super&>(ConfigFileHierarchy);
        Ar << ConfigFileHierarchy.KeyGen;
        return Ar;
    }
 
private:
    int32 GenerateDynamicKey();
 
    int32 AddStaticLayer(const FString& Filename, int32 LayerIndex, int32 ExpansionIndex, int32 PlatformIndex, int32 Flags);
    int32 AddDynamicLayer(const FString& Filename);
 
    friend class FConfigFile;
    friend class FConfigContext;
};
 
struct FDynamicLayerInfo
{
    FString Filename;
    FName Tag;
    uint16 Priority;
};
 
enum class EConfigLayerFlags : int32
{
    None = 0,
    AllowCommandLineOverride = (1 << 1),
    DedicatedServerOnly = (1 << 2), // replaces Default, Base, and (NOT {PLATFORM} yet) with an empty string
    NoExpand = (1 << 4),
    RequiresCustomConfig = (1 << 5), // disabled if no custom config specified
    UseGlobalConfigCache = (1 << 6),
    UsePluginConfigCache = (1 << 7),
};
ENUM_CLASS_FLAGS(EConfigLayerFlags);
 
struct FConfigLayer
{
    // Used by the editor to display in the ini-editor
    const TCHAR* EditorName;
    // Path to the ini file (with variables)
    const TCHAR* Path;
    // Special flag
    EConfigLayerFlags Flag;
 
    // Will be cached early on to avoid threading issues
    uint8 bHasCheckedExist = false;
    uint8 bExists = false;
 
};
 
enum class EConfigExpansionFlags : int32
{
    None = 0,
 
    ForUncooked = 1 << 0,
    ForCooked = 1 << 1,
    ForPlugin = 1 << 2,
    
    ForEngine = 1 << 3,
    ForProject = 1 << 4,
 
    All = 0xFF,
};
ENUM_CLASS_FLAGS(EConfigExpansionFlags);
 
 
struct FConfigLayerExpansion
{
    // a set of replacements from the source file to possible other files
    const TCHAR* Before1;
    const TCHAR* After1;
    const TCHAR* Before2;
    const TCHAR* After2;
    EConfigExpansionFlags Flags;
};