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  3. LexFromString

LexFromString

Function Overloads

API > API/Runtime > API/Runtime/Core

Overloads

Name Remarks Include Path Unreal Specifiers

void LexFromString ( int8& OutValue,
const UE_STRING_CHARTYPE* Buffer
)

 Generalized API to convert something to a string.    

void LexFromString ( int16& OutValue,
const UE_STRING_CHARTYPE* Buffer
)

      

void LexFromString ( int32& OutValue,
const UE_STRING_CHARTYPE* Buffer
)

      

void LexFromString ( int64& OutValue,
const UE_STRING_CHARTYPE* Buffer
)

      

void LexFromString ( uint8& OutValue,
const UE_STRING_CHARTYPE* Buffer
)

      

void LexFromString ( uint16& OutValue,
const UE_STRING_CHARTYPE* Buffer
)

      

void LexFromString ( uint32& OutValue,
const UE_STRING_CHARTYPE* Buffer
)

      

void LexFromString ( uint64& OutValue,
const UE_STRING_CHARTYPE* Buffer
)

      

void LexFromString ( float& OutValue,
const UE_STRING_CHARTYPE* Buffer
)

      

void LexFromString ( double& OutValue,
const UE_STRING_CHARTYPE* Buffer
)

      

void LexFromString ( bool& OutValue,
const UE_STRING_CHARTYPE* Buffer
)

      

void LexFromString ( FString& OutValue,
const UE_STRING_CHARTYPE* Buffer
)

      

void LexFromString ( FBlake3Hash& OutHash,
const TCHAR* Buffer
)

 Construct a hash from a 64-character hex string. Hash/Blake3.h  

void LexFromString ( ETextGender& OutValue,
const TCHAR* Buffer
)

   Internationalization/Text.h  

void LexFromString ( EDateTimeStyle::Type& OutValue,
const TCHAR* Buffer
)

   Internationalization/Text.h  

void LexFromString ( ERoundingMode& OutValue,
const TCHAR* Buffer
)

   Internationalization/Text.h  

void LexFromString ( FIoHash& OutHash,
const TCHAR* Buffer
)

 Construct a hash from a 40-character hex string. IO/IoHash.h  

void LexFromString ( FNumericUnit< T >& OutValue,
const TCHAR* String
)

   Math/UnitConversion.h  

void LexFromString ( FNumericUnit< T >& OutValue,
const TCHAR* String
)

      

void LexFromString ( UE::ConfigAccessTracking::ELoadType& OutLoadType,
FStringView Text
)

 Convert text -> ELoadType Misc/ConfigAccessData.h  

void LexFromString ( int8& OutValue,
const FStringView& InString
)

   String/LexFromString.h  

void LexFromString ( int16& OutValue,
const FStringView& InString
)

   String/LexFromString.h  

void LexFromString ( int32& OutValue,
const FStringView& InString
)

   String/LexFromString.h  

void LexFromString ( int64& OutValue,
const FStringView& InString
)

   String/LexFromString.h  

void LexFromString ( uint8& OutValue,
const FStringView& InString
)

   String/LexFromString.h  

void LexFromString ( uint16& OutValue,
const FStringView& InString
)

   String/LexFromString.h  

void LexFromString ( uint32& OutValue,
const FStringView& InString
)

   String/LexFromString.h  

void LexFromString ( uint64& OutValue,
const FStringView& InString
)

   String/LexFromString.h  

void LexFromString ( float& OutValue,
const FStringView& InString
)

   String/LexFromString.h  

void LexFromString ( double& OutValue,
const FStringView& InString
)

   String/LexFromString.h  

void LexFromString ( bool& OutValue,
const FStringView& InString
)

   String/LexFromString.h  

void LexFromString ( int8& OutValue,
const FUtf8StringView& InString
)

   String/LexFromString.h  

void LexFromString ( int16& OutValue,
const FUtf8StringView& InString
)

   String/LexFromString.h  

void LexFromString ( int32& OutValue,
const FUtf8StringView& InString
)

   String/LexFromString.h  

void LexFromString ( int64& OutValue,
const FUtf8StringView& InString
)

   String/LexFromString.h  

void LexFromString ( uint8& OutValue,
const FUtf8StringView& InString
)

   String/LexFromString.h  

void LexFromString ( uint16& OutValue,
const FUtf8StringView& InString
)

   String/LexFromString.h  

void LexFromString ( uint32& OutValue,
const FUtf8StringView& InString
)

   String/LexFromString.h  

void LexFromString ( uint64& OutValue,
const FUtf8StringView& InString
)

   String/LexFromString.h  

void LexFromString ( float& OutValue,
const FUtf8StringView& InString
)

   String/LexFromString.h  

void LexFromString ( double& OutValue,
const FUtf8StringView& InString
)

   String/LexFromString.h  

void LexFromString ( bool& OutValue,
const FUtf8StringView& InString
)

   String/LexFromString.h  

void LexFromString ( FName& Name,
const TCHAR* Str
)

   UObject/NameTypes.h  

LexFromString(int8 &, const UE_STRING_CHARTYPE *)

Description

Generalized API to convert something to a string. Function named after the (deprecated) Lex namespace, which was deprecated because introducing customization points in a nested namespace didn't work in generic code because it foiled 2-phase template instantiating compilers, which would bind to the qualified name (LexToString) in the first phase, preventing future overloads defined in later headers to be considered for binding. Expected functions in this namespace are as follows: bool LexTryParseString(T& OutValue, const TCHAR* Buffer); void LexFromString(T& OutValue, const TCHAR* Buffer); LexToString(T); ^ Generally this means it can return either a string or const TCHAR* Generic code that uses ToString should assign to a string or forward along to other functions that accept types that are also implicitly convertible to a string

Implement custom functionality externally. Convert a string buffer to intrinsic types

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/Containers/UnrealString.h.inl
Include Path #include "Containers/UnrealString.h.inl" 
void LexFromString  
(  
    int8 & OutValue,  
    const UE_STRING_CHARTYPE * Buffer  
)

LexFromString(int16 &, const UE_STRING_CHARTYPE *)

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/Containers/UnrealString.h.inl
Include Path #include "Containers/UnrealString.h.inl" 
void LexFromString  
(  
    int16 & OutValue,  
    const UE_STRING_CHARTYPE * Buffer  
)

LexFromString(int32 &, const UE_STRING_CHARTYPE *)

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/Containers/UnrealString.h.inl
Include Path #include "Containers/UnrealString.h.inl" 
void LexFromString  
(  
    int32 & OutValue,  
    const UE_STRING_CHARTYPE * Buffer  
)

LexFromString(int64 &, const UE_STRING_CHARTYPE *)

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/Containers/UnrealString.h.inl
Include Path #include "Containers/UnrealString.h.inl" 
void LexFromString  
(  
    int64 & OutValue,  
    const UE_STRING_CHARTYPE * Buffer  
)

LexFromString(uint8 &, const UE_STRING_CHARTYPE *)

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/Containers/UnrealString.h.inl
Include Path #include "Containers/UnrealString.h.inl" 
void LexFromString  
(  
    uint8 & OutValue,  
    const UE_STRING_CHARTYPE * Buffer  
)

LexFromString(uint16 &, const UE_STRING_CHARTYPE *)

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/Containers/UnrealString.h.inl
Include Path #include "Containers/UnrealString.h.inl" 
void LexFromString  
(  
    uint16 & OutValue,  
    const UE_STRING_CHARTYPE * Buffer  
)

LexFromString(uint32 &, const UE_STRING_CHARTYPE *)

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/Containers/UnrealString.h.inl
Include Path #include "Containers/UnrealString.h.inl" 
void LexFromString  
(  
    uint32 & OutValue,  
    const UE_STRING_CHARTYPE * Buffer  
)

LexFromString(uint64 &, const UE_STRING_CHARTYPE *)

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/Containers/UnrealString.h.inl
Include Path #include "Containers/UnrealString.h.inl" 
void LexFromString  
(  
    uint64 & OutValue,  
    const UE_STRING_CHARTYPE * Buffer  
)

LexFromString(float &, const UE_STRING_CHARTYPE *)

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/Containers/UnrealString.h.inl
Include Path #include "Containers/UnrealString.h.inl" 
void LexFromString  
(  
    float & OutValue,  
    const UE_STRING_CHARTYPE * Buffer  
)

LexFromString(double &, const UE_STRING_CHARTYPE *)

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/Containers/UnrealString.h.inl
Include Path #include "Containers/UnrealString.h.inl" 
void LexFromString  
(  
    double & OutValue,  
    const UE_STRING_CHARTYPE * Buffer  
)

LexFromString(bool &, const UE_STRING_CHARTYPE *)

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/Containers/UnrealString.h.inl
Include Path #include "Containers/UnrealString.h.inl" 
void LexFromString  
(  
    bool & OutValue,  
    const UE_STRING_CHARTYPE * Buffer  
)

LexFromString(FString &, const UE_STRING_CHARTYPE *)

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/Containers/UnrealString.h.inl
Include Path #include "Containers/UnrealString.h.inl" 
void LexFromString  
(  
    FString & OutValue,  
    const UE_STRING_CHARTYPE * Buffer  
)

LexFromString(FBlake3Hash &, const TCHAR *)

Description

Construct a hash from a 64-character hex string.

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/Hash/Blake3.h
Include Path #include "Hash/Blake3.h" 
void LexFromString  
(  
    FBlake3Hash & OutHash,  
    const TCHAR * Buffer  
)

LexFromString(ETextGender &, const TCHAR *)

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/Internationalization/Text.h
Include Path #include "Internationalization/Text.h"
Source /Engine/Source/Runtime/Core/Private/Internationalization/Text.cpp 
void LexFromString  
(  
    ETextGender & OutValue,  
    const TCHAR * Buffer  
)

LexFromString(EDateTimeStyle::Type &, const TCHAR *)

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/Internationalization/Text.h
Include Path #include "Internationalization/Text.h"
Source /Engine/Source/Runtime/Core/Private/Internationalization/Text.cpp 
void LexFromString  
(  
    EDateTimeStyle::Type & OutValue,  
    const TCHAR * Buffer  
)

LexFromString(ERoundingMode &, const TCHAR *)

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/Internationalization/Text.h
Include Path #include "Internationalization/Text.h"
Source /Engine/Source/Runtime/Core/Private/Internationalization/Text.cpp 
void LexFromString  
(  
    ERoundingMode & OutValue,  
    const TCHAR * Buffer  
)

LexFromString(FIoHash &, const TCHAR *)

Description

Construct a hash from a 40-character hex string.

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/IO/IoHash.h
Include Path #include "IO/IoHash.h" 
void LexFromString  
(  
    FIoHash & OutHash,  
    const TCHAR * Buffer  
)

LexFromString(FNumericUnit< T > &, const TCHAR *)

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/Math/UnitConversion.h
Include Path #include "Math/UnitConversion.h"
Source /Engine/Source/Runtime/Core/Public/Math/UnitConversion.inl 
template<typename T>  
void LexFromString  
(  
    FNumericUnit < T > & OutValue,  
    const TCHAR * String  
)

LexFromString(FNumericUnit< T > &, const TCHAR *)

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/Math/UnitConversion.inl
Include Path #include "Math/UnitConversion.inl" 
template<typename T>  
void LexFromString  
(  
    FNumericUnit < T > & OutValue,  
    const TCHAR * String  
)

LexFromString(UE::ConfigAccessTracking::ELoadType &, FStringView)

Description

Convert text -> ELoadType

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/Misc/ConfigAccessData.h
Include Path #include "Misc/ConfigAccessData.h"
Source /Engine/Source/Runtime/Core/Private/Misc/ConfigAccessData.cpp 
void LexFromString  
(  
    UE::ConfigAccessTracking::ELoadType & OutLoadType,  
    FStringView Text  
)

LexFromString(int8 &, const FStringView &)

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/String/LexFromString.h
Include Path #include "String/LexFromString.h"
Source /Engine/Source/Runtime/Core/Private/String/LexFromString.cpp 
void LexFromString  
(  
    int8 & OutValue,  
    const FStringView & InString  
)

LexFromString(int16 &, const FStringView &)

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/String/LexFromString.h
Include Path #include "String/LexFromString.h"
Source /Engine/Source/Runtime/Core/Private/String/LexFromString.cpp 
void LexFromString  
(  
    int16 & OutValue,  
    const FStringView & InString  
)

LexFromString(int32 &, const FStringView &)

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/String/LexFromString.h
Include Path #include "String/LexFromString.h"
Source /Engine/Source/Runtime/Core/Private/String/LexFromString.cpp 
void LexFromString  
(  
    int32 & OutValue,  
    const FStringView & InString  
)

LexFromString(int64 &, const FStringView &)

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/String/LexFromString.h
Include Path #include "String/LexFromString.h"
Source /Engine/Source/Runtime/Core/Private/String/LexFromString.cpp 
void LexFromString  
(  
    int64 & OutValue,  
    const FStringView & InString  
)

LexFromString(uint8 &, const FStringView &)

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/String/LexFromString.h
Include Path #include "String/LexFromString.h"
Source /Engine/Source/Runtime/Core/Private/String/LexFromString.cpp 
void LexFromString  
(  
    uint8 & OutValue,  
    const FStringView & InString  
)

LexFromString(uint16 &, const FStringView &)

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/String/LexFromString.h
Include Path #include "String/LexFromString.h"
Source /Engine/Source/Runtime/Core/Private/String/LexFromString.cpp 
void LexFromString  
(  
    uint16 & OutValue,  
    const FStringView & InString  
)

LexFromString(uint32 &, const FStringView &)

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/String/LexFromString.h
Include Path #include "String/LexFromString.h"
Source /Engine/Source/Runtime/Core/Private/String/LexFromString.cpp 
void LexFromString  
(  
    uint32 & OutValue,  
    const FStringView & InString  
)

LexFromString(uint64 &, const FStringView &)

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/String/LexFromString.h
Include Path #include "String/LexFromString.h"
Source /Engine/Source/Runtime/Core/Private/String/LexFromString.cpp 
void LexFromString  
(  
    uint64 & OutValue,  
    const FStringView & InString  
)

LexFromString(float &, const FStringView &)

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/String/LexFromString.h
Include Path #include "String/LexFromString.h"
Source /Engine/Source/Runtime/Core/Private/String/LexFromString.cpp 
void LexFromString  
(  
    float & OutValue,  
    const FStringView & InString  
)

LexFromString(double &, const FStringView &)

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/String/LexFromString.h
Include Path #include "String/LexFromString.h"
Source /Engine/Source/Runtime/Core/Private/String/LexFromString.cpp 
void LexFromString  
(  
    double & OutValue,  
    const FStringView & InString  
)

LexFromString(bool &, const FStringView &)

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/String/LexFromString.h
Include Path #include "String/LexFromString.h"
Source /Engine/Source/Runtime/Core/Private/String/LexFromString.cpp 
void LexFromString  
(  
    bool & OutValue,  
    const FStringView & InString  
)

LexFromString(int8 &, const FUtf8StringView &)

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/String/LexFromString.h
Include Path #include "String/LexFromString.h"
Source /Engine/Source/Runtime/Core/Private/String/LexFromString.cpp 
void LexFromString  
(  
    int8 & OutValue,  
    const FUtf8StringView & InString  
)

LexFromString(int16 &, const FUtf8StringView &)

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/String/LexFromString.h
Include Path #include "String/LexFromString.h"
Source /Engine/Source/Runtime/Core/Private/String/LexFromString.cpp 
void LexFromString  
(  
    int16 & OutValue,  
    const FUtf8StringView & InString  
)

LexFromString(int32 &, const FUtf8StringView &)

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/String/LexFromString.h
Include Path #include "String/LexFromString.h"
Source /Engine/Source/Runtime/Core/Private/String/LexFromString.cpp 
void LexFromString  
(  
    int32 & OutValue,  
    const FUtf8StringView & InString  
)

LexFromString(int64 &, const FUtf8StringView &)

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/String/LexFromString.h
Include Path #include "String/LexFromString.h"
Source /Engine/Source/Runtime/Core/Private/String/LexFromString.cpp 
void LexFromString  
(  
    int64 & OutValue,  
    const FUtf8StringView & InString  
)

LexFromString(uint8 &, const FUtf8StringView &)

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/String/LexFromString.h
Include Path #include "String/LexFromString.h"
Source /Engine/Source/Runtime/Core/Private/String/LexFromString.cpp 
void LexFromString  
(  
    uint8 & OutValue,  
    const FUtf8StringView & InString  
)

LexFromString(uint16 &, const FUtf8StringView &)

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/String/LexFromString.h
Include Path #include "String/LexFromString.h"
Source /Engine/Source/Runtime/Core/Private/String/LexFromString.cpp 
void LexFromString  
(  
    uint16 & OutValue,  
    const FUtf8StringView & InString  
)

LexFromString(uint32 &, const FUtf8StringView &)

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/String/LexFromString.h
Include Path #include "String/LexFromString.h"
Source /Engine/Source/Runtime/Core/Private/String/LexFromString.cpp 
void LexFromString  
(  
    uint32 & OutValue,  
    const FUtf8StringView & InString  
)

LexFromString(uint64 &, const FUtf8StringView &)

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/String/LexFromString.h
Include Path #include "String/LexFromString.h"
Source /Engine/Source/Runtime/Core/Private/String/LexFromString.cpp 
void LexFromString  
(  
    uint64 & OutValue,  
    const FUtf8StringView & InString  
)

LexFromString(float &, const FUtf8StringView &)

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/String/LexFromString.h
Include Path #include "String/LexFromString.h"
Source /Engine/Source/Runtime/Core/Private/String/LexFromString.cpp 
void LexFromString  
(  
    float & OutValue,  
    const FUtf8StringView & InString  
)

LexFromString(double &, const FUtf8StringView &)

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/String/LexFromString.h
Include Path #include "String/LexFromString.h"
Source /Engine/Source/Runtime/Core/Private/String/LexFromString.cpp 
void LexFromString  
(  
    double & OutValue,  
    const FUtf8StringView & InString  
)

LexFromString(bool &, const FUtf8StringView &)

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/String/LexFromString.h
Include Path #include "String/LexFromString.h"
Source /Engine/Source/Runtime/Core/Private/String/LexFromString.cpp 
void LexFromString  
(  
    bool & OutValue,  
    const FUtf8StringView & InString  
)

LexFromString(FName &, const TCHAR *)

   
Name LexFromString
Type function
Header File /Engine/Source/Runtime/Core/Public/UObject/NameTypes.h
Include Path #include "UObject/NameTypes.h" 
void LexFromString  
(  
    FName & Name,  
    const TCHAR * Str  
)

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