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  3. FConfigCacheIni

FConfigCacheIni

Set of all cached config files.

Unreal Engine C++ API Reference > Runtime > Core > Misc

References

   
Module Core
Header /Engine/Source/Runtime/Core/Public/Misc/ConfigCacheIni.h
Include #include "Misc/ConfigCacheIni.h"

Syntax

class FConfigCacheIni

Remarks

Set of all cached config files.

Constructors

  Type Name Description
Public function   DO NOT USE. This constructor is for internal usage only for hot-reload purposes.
Public function  

FConfigCacheIni ( EConfigCacheType Type
)

 Basic functions.

Destructors

  Type Name Description
Public function Virtual    

Functions

  Type Name Description
Public function FConfigFile &

Add ( const FString& Filename,
const FConfigFile& File
)

  
Public function Virtual bool Returns whether or not file operations are disabled
Public function Static void Wipe all cached platform configs. Next ForPlatform call will load on-demand the platform configs
Public function Const bool

ContainsConfigFile ( const FConfigFile* ConfigFile
)

 Reports whether an FConfigFile* is pointing to a config file inside of this Used for downstream functions to check whether a config file they were passed came from this ConfigCacheIni or from a different source such as LoadLocalIniFile
Public function Static bool

CreateGConfigFromSaved ( const TCHAR* Filename
)

 Create GConfig from a saved file
Public function void

Detach ( const FString& Filename
)

  
Public function Virtual void Disables any file IO by the config cache system
Public function bool

DoesSectionExist ( const TCHAR* Section,
const FString& Filename
)

  
Public function void

Dump ( FOutputDevice& Ar,
const TCHAR* IniName
)

 Prints out the entire config set, or just a single file if an ini is specified
Public function bool

EmptySection ( const TCHAR* Section,
const FString& Filename
)

  
Public function bool

EmptySectionsMatchingString ( const TCHAR* SectionString,
const FString& Filename
)

  
Public function Virtual void Re-enables file IO by the config cache system
Public function void

Exit ()

  
Public function FConfigFile *

Find ( const FString& InFilename
)

 Finds, loads, or creates the in-memory config file for a config cache filename.
Public function FConfigFile *

FindConfigFile ( const FString& Filename
)

 Finds the in-memory config file for a config cache filename.
Public function FConfigFile * Finds Config file that matches the base name such as "Engine"
Public function Static FConfigFile *

FindOrLoadPlatformConfig ( FConfigFile& LocalFile,
const TCHAR* IniName,
const TCHAR* Platform
)

 This helper function searches the cache before trying to load the ini file using LoadLocalIniFile.
Public function Static FConfigFile *

FindPlatformConfig ( const TCHAR* IniName,
const TCHAR* Platform
)

 Attempts to find the platform config in the cache.
Public function void

Flush ( bool bRemoveFromCache,
const FString& Filename
)

  
Public function Virtual bool

ForEachEntry ( const FKeyValueSink& Visitor,
const TCHAR* Section,
const FString& Filename
)

 Allows to iterate through all key value pairs
Public function Static FConfigCacheIni *

ForPlatform ( FName PlatformName
)

 Retrieve the fully processed ini system for another platform.
Public function int32

GetArray ( const TCHAR* Section,
const TCHAR* Key,
TArray< FString >& out_Arr,
const FString& Filename
)

  
Public function bool

GetBool ( const TCHAR* Section,
const TCHAR* Key,
bool& Value,
const FString& Filename
)

  
Public function bool

GetBoolOrDefault ( const TCHAR* Section,
const TCHAR* Key,
const bool DefaultValue,
const FString& Filename
)

  
Public function bool

GetColor ( const TCHAR* Section,
const TCHAR* Key,
FColor& Value,
const FString& Filename
)

  
Public function FString

GetConfigFilename ( const TCHAR* BaseIniName
)

 For a base ini name, gets the config cache filename key that is used by other functions like Find.
Public function void

GetConfigFilenames ( TArray< FString >& ConfigFilenames
)

 Retrieve a list of all of the config files stored in the cache
Public function Static const FString & Returns the Custom Config string, which if set will load additional config files from Config/Custom/{CustomConfig}/DefaultX.ini to allow different types of builds.
Public function Static FString

GetDestIniFilename ( const TCHAR* BaseIniName,
const TCHAR* PlatformName,
const TCHAR* GeneratedConfigDir
)

 Calculates the name of a dest (generated) .ini file for a given base (ie Engine, Game, etc)
Public function bool

GetDouble ( const TCHAR* Section,
const TCHAR* Key,
double& Value,
const FString& Filename
)

  
Public function TArray< FString >  
Public function bool

GetFloat ( const TCHAR* Section,
const TCHAR* Key,
float& Value,
const FString& Filename
)

  
Public function float

GetFloatOrDefault ( const TCHAR* Section,
const TCHAR* Key,
const float DefaultValue,
const FString& Filename
)

  
Public function bool

GetInt ( const TCHAR* Section,
const TCHAR* Key,
int32& Value,
const FString& Filename
)

  
Public function bool

GetInt64 ( const TCHAR* Section,
const TCHAR* Key,
int64& Value,
const FString& Filename
)

  
Public function int32

GetIntOrDefault ( const TCHAR* Section,
const TCHAR* Key,
const int32 DefaultValue,
const FString& Filename
)

 Return a config value if found, if not found return default value does not indicate if return value came from config or the default value useful for one-time init of static variables in code locations where config may be queried too often, like : static int32 bMyConfigValue = GConfig->GetIntOrDefault(Section,Key,DefaultValue,ConfigFilename);
Public function Virtual SIZE_T USed to get the max memory usage for the FConfigCacheIni
Public function bool

GetPerObjectConfigSections ( const FString& Filename,
const FString& SearchClass,
TArray< FString >& out_SectionNames,
int32 MaxResults
)

 Retrieve the names of sections which contain data for the specified PerObjectConfig class.
Public function bool

GetRotator ( const TCHAR* Section,
const TCHAR* Key,
FRotator& Value,
const FString& Filename
)

  
Public function bool

GetSection ( const TCHAR* Section,
TArray< FString >& Result,
const FString& Filename
)

  
Public function bool

GetSectionNames ( const FString& Filename,
TArray< FString >& out_SectionNames
)

 Retrieve the names for all sections contained in the file specified by Filename
Public function FConfigSection *

GetSectionPrivate ( const TCHAR* Section,
const bool Force,
const bool Const,
const FString& Filename
)

  
Public function int32

GetSingleLineArray ( const TCHAR* Section,
const TCHAR* Key,
TArray< FString >& out_Arr,
const FString& Filename
)

 Loads a "delimited" list of strings Loads a "delimited" list of string
Public function FString

GetStr ( const TCHAR* Section,
const TCHAR* Key,
const FString& Filename
)

 Derived functions.
Public function bool

GetString ( const TCHAR* Section,
const TCHAR* Key,
FString& Value,
const FString& Filename
)

  
Public function FString

GetStringOrDefault ( const TCHAR* Section,
const TCHAR* Key,
const FString& DefaultValue,
const FString& Filename
)

  
Public function bool

GetText ( const TCHAR* Section,
const TCHAR* Key,
FText& Value,
const FString& Filename
)

  
Public function FText

GetTextOrDefault ( const TCHAR* Section,
const TCHAR* Key,
const FText& DefaultValue,
const FString& Filename
)

  
Public function int32

GetValue ( const TCHAR* Section,
const TCHAR* Key,
TArray< FString >& Value,
const FString& Filename
)

  
Public function bool

GetValue ( const TCHAR* Section,
const TCHAR* Key,
float& Value,
const FString& Filename
)

  
Public function bool

GetValue ( const TCHAR* Section,
const TCHAR* Key,
int32& Value,
const FString& Filename
)

  
Public function bool

GetValue ( const TCHAR* Section,
const TCHAR* Key,
FText& Value,
const FString& Filename
)

  
Public function bool

GetValue ( const TCHAR* Section,
const TCHAR* Key,
FString& Value,
const FString& Filename
)

 Generic versions for use with templates
Public function bool

GetValue ( const TCHAR* Section,
const TCHAR* Key,
bool& Value,
const FString& Filename
)

  
Public function bool

GetVector ( const TCHAR* Section,
const TCHAR* Key,
FVector& Value,
const FString& Filename
)

  
Public function bool

GetVector2D ( const TCHAR* Section,
const TCHAR* Key,
FVector2D& Value,
const FString& Filename
)

  
Public function bool

GetVector4 ( const TCHAR* Section,
const TCHAR* Key,
FVector4& Value,
const FString& Filename
)

  
Public function Static void Creates GConfig, loads the standard global ini files (Engine, Editor, etc), fills out GEngineIni, etc.
Public function Static bool Load the standard (used on all platforms) ini files, like Engine, Input, etc
Public function bool

IsKnownConfigName ( FName ConfigName
)

 Returns true if the given name is one of the known configs, where the matching G****Ini property is going to match the base name ("Engine" returns true, which means GEngineIni's value is just "Engine")
Public function bool  
Public function Static void Needs to be called after GConfig is set and LoadCoalescedFile was called.
Public function Static bool

LoadExternalIniFile ( FConfigFile& ConfigFile,
const TCHAR* IniName,
const TCHAR* EngineConfigDir,
const TCHAR* SourceConfigDir,
bool bIsBaseIniName,
const TCHAR* Platform,
bool bForceReload,
bool bWriteDestIni,
bool bAllowGeneratedIniWhenCooked,
const TCHAR* GeneratedConfigDir
)

 Load an ini file directly into an FConfigFile from the specified config folders, optionally writing to disk.
Public function void

LoadFile ( const FString& InFilename,
const FConfigFile* Fallback,
const TCHAR* PlatformString
)

  
Public function Static bool

LoadGlobalIniFile ( FString& FinalIniFilename,
const TCHAR* BaseIniName,
const TCHAR* Platform,
bool bForceReload,
bool bRequireDefaultIni,
bool bAllowGeneratedIniWhenCooked,
bool bAllowRemoteConfig,
const TCHAR* GeneratedConfigDir,
FConfigCacheIni* ConfigSystem
)

 Loads and generates a destination ini file and adds it to GConfig:
Public function Static bool

LoadLocalIniFile ( FConfigFile& ConfigFile,
const TCHAR* IniName,
bool bIsBaseIniName,
const TCHAR* Platform,
bool bForceReload
)

 Load an ini file directly into an FConfigFile, and nothing is written to GConfig or disk.
Public function Static FString

NormalizeConfigIniPath ( const FString& NonNormalizedPath
)

 Normalizes file paths to INI files.
Public function Virtual void

Parse1ToNSectionOfNames ( const TCHAR* Section,
const TCHAR* KeyOne,
const TCHAR* KeyN,
TMap< FName, TArray< FName > >& OutMap,
const FString& Filename
)

 Parses apart an ini section that contains a list of 1-to-N mappings of names in the following format [PerMapPackages] MapName=Map1 Package=PackageA Package=PackageB MapName=Map2 Package=PackageC Package=PackageD
Public function Virtual void

Parse1ToNSectionOfStrings ( const TCHAR* Section,
const TCHAR* KeyOne,
const TCHAR* KeyN,
TMap< FString, TArray< FString > >& OutMap,
const FString& Filename
)

 Prases apart an ini section that contains a list of 1-to-N mappings of strings in the following format [PerMapPackages] MapName=Map1 Package=PackageA Package=PackageB MapName=Map2 Package=PackageC Package=PackageD
Public function int32

Remove ( const FString& Filename
)

  
Public function bool

RemoveKey ( const TCHAR* Section,
const TCHAR* Key,
const FString& Filename
)

  
Public function void

SaveCurrentStateForBootstrap ( const TCHAR* Filename
)

 Save the current config cache state into a file for bootstrapping other processes.
Public function void  
Public function void

SetArray ( const TCHAR* Section,
const TCHAR* Key,
const TArray< FString >& Value,
const FString& Filename
)

  
Public function void

SetBool ( const TCHAR* Section,
const TCHAR* Key,
bool Value,
const FString& Filename
)

  
Public function void

SetColor ( const TCHAR* Section,
const TCHAR* Key,
FColor Value,
const FString& Filename
)

  
Public function void

SetDouble ( const TCHAR* Section,
const TCHAR* Key,
double Value,
const FString& Filename
)

  
Public function void

SetFile ( const FString& InFilename,
const FConfigFile* NewConfigFile
)

  
Public function void

SetFloat ( const TCHAR* Section,
const TCHAR* Key,
float Value,
const FString& Filename
)

  
Public function void

SetInt ( const TCHAR* Section,
const TCHAR* Key,
int32 Value,
const FString& Filename
)

  
Public function void

SetRotator ( const TCHAR* Section,
const TCHAR* Key,
FRotator Value,
const FString& Filename
)

  
Public function void

SetSingleLineArray ( const TCHAR* Section,
const TCHAR* Key,
const TArray< FString >& In_Arr,
const FString& Filename
)

 Saves a "delimited" list of strings Saves a "delimited" list of strings
Public function void

SetString ( const TCHAR* Section,
const TCHAR* Key,
const TCHAR* Value,
const FString& Filename
)

  
Public function void

SetText ( const TCHAR* Section,
const TCHAR* Key,
const FText& Value,
const FString& Filename
)

  
Public function void

SetVector ( const TCHAR* Section,
const TCHAR* Key,
FVector Value,
const FString& Filename
)

  
Public function void

SetVector2D ( const TCHAR* Section,
const TCHAR* Key,
FVector2D Value,
const FString& Filename
)

  
Public function void

SetVector4 ( const TCHAR* Section,
const TCHAR* Key,
const FVector4& Value,
const FString& Filename
)

  
Public function Virtual void Dumps memory stats for each file in the config cache to the specified archive.
Public function void

UnloadFile ( const FString& Filename
)

  

Classes

  Type Name Description
Public struct FKnownConfigFiles    

Deprecated Functions

  Type Name Description
Public function FConfigFile *

Find ( const FString& Filename,
bool CreateIfNotFound
)

 CreateIfNotFound is deprecated, please use the overload without this parameter or FindConfigFile

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