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  3. FParse

FParse

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

References

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

Syntax

struct FParse

Functions

  Type Name Description
Public function Static bool

AlnumToken ( const TCHAR*& Str,
FString& Arg
)

 Grabs the next alpha-numeric space-delimited token from the input stream.
Public function Static bool

Bool ( const TCHAR* Stream,
const TCHAR* Match,
bool& OnOff
)

 Parses a boolean value.
Public function Static bool

Command ( const TCHAR** Stream,
const TCHAR* Match,
bool bParseMightTriggerExecution
)

 Sees if Stream starts with the named command.
Public function Static FGrammarBasedParseResult

GrammarBasedCLIParse ( const TCHAR* Stream,
TFunctionRef< void(FStringView, FStringView)> OnCommandCallback,
EGrammarBasedParseFlags Flags
)

 Grammar Line -> Cmd* Cmd -> "Cmd*" allowed if EGrammaredParseFlags::AllowQuotedCommands is given | Key(=Value)? invokes OnCommandCallback Key -> (/|(-?-?))Ident Value -> "[^"]*"
Public function Static int32

HexDigit ( TCHAR c
)

 Parse a hex digit.
Public function Static uint32

HexNumber ( const TCHAR* HexString
)

 Parses a hexadecimal string value.
Public function Static uint64

HexNumber64 ( const TCHAR* HexString
)

  
Public function Static bool

Line ( const TCHAR** Stream,
FString& Result,
bool Exact
)

 Get a line of Stream (everything up to, but not including, CR/LF. Returns 0 if ok, nonzero if at end of stream and returned 0-length string.
Public function Static bool

Line ( const TCHAR** Stream,
FStringView& Result,
bool Exact
)

 Get a line of Stream (everything up to, but not including, CR/LF. Returns 0 if ok, nonzero if at end of stream and returned 0-length string.
Public function Static bool

Line ( const TCHAR** Stream,
TCHAR* Result,
int32 MaxLen,
bool Exact
)

 Get a line of Stream (everything up to, but not including, CR/LF. Returns 0 if ok, nonzero if at end of stream and returned 0-length string.
Public function Static bool

LineExtended ( const TCHAR** Stream,
FStringBuilderBase& Result,
int32& LinesConsumed,
bool Exact
)

  
Public function Static bool

LineExtended ( const TCHAR** Stream,
FString& Result,
int32& LinesConsumed,
bool Exact
)

 Get a line of Stream, with support for extending beyond that line with certain characters, e.g. {} and \ the out character array will not include the ignored endlines
Public function Static void

Next ( const TCHAR** Stream
)

 Get next command. Skips past comments and cr's.
Public function Static bool
Param

( const TCHAR* Stream,
const TCHAR* Param
)

 Checks if a command-line parameter exists in the stream.
Public function Static bool

QuotedString ( const TCHAR* Stream,
FString& Value,
int32* OutNumCharsRead
)

 Parse a quoted string token.
Public function Static bool

QuotedString ( const TCHAR* Stream,
FStringBuilderBase& Value,
int32* OutNumCharsRead
)

  
Public function Static bool

SchemeNameFromURI ( const TCHAR* InURI,
FString& OutSchemeName
)

 Parses the scheme name from a URI
Public function Static bool

Text ( const TCHAR* Stream,
FText& Value,
const TCHAR* Namespace
)

 Parse an Text token.
Public function Static FString

Token ( const TCHAR*& Str,
bool UseEscape
)

 Grabs the next space-delimited string from the input stream. If quoted, gets entire quoted string.
Public function Static bool

Token ( const TCHAR*& Str,
FString& Arg,
bool UseEscape
)

 Grabs the next space-delimited string from the input stream. If quoted, gets entire quoted string.
Public function Static bool

Token ( const TCHAR*& Str,
TCHAR* Result,
int32 MaxLen,
bool UseEscape
)

 Grabs the next space-delimited string from the input stream. If quoted, gets entire quoted string.
Public function Static bool

Value ( const TCHAR* Stream,
const TCHAR* Match,
FText& Value,
const TCHAR* Namespace
)

 Parses an FText.
Public function Static bool

Value ( const TCHAR* Stream,
const TCHAR* Match,
int64& Value
)

 Parses a signed quadword.
Public function Static bool

Value ( const TCHAR* Stream,
const TCHAR* Match,
uint64& Value
)

 Parses a quadword.
Public function Static bool

Value ( const TCHAR* Stream,
const TCHAR* Match,
int32& Value
)

 Parses a signed double word.
Public function Static bool

Value ( const TCHAR* Stream,
const TCHAR* Match,
double& Value
)

 Parses a double precision floating-point value.
Public function Static bool

Value ( const TCHAR* Stream,
const TCHAR* Match,
float& Value
)

 Parses a floating-point value.
Public function Static bool

Value ( const TCHAR* Stream,
const TCHAR* Match,
int8& Value
)

 Parses a signed byte.
Public function Static bool

Value ( const TCHAR* Stream,
const TCHAR* Match,
uint16& Value
)

 Parses a uint16.
Public function Static bool

Value ( const TCHAR* Stream,
const TCHAR* Match,
uint8& Value
)

 Parses a byte.
Public function Static bool

Value ( const TCHAR* Stream,
const TCHAR* Match,
FGuid& Guid
)

 Parses a globally unique identifier.
Public function Static bool

Value ( const TCHAR* Stream,
const TCHAR* Match,
uint32& Value
)

 Parses a uint32.
Public function Static bool

Value ( const TCHAR* Stream,
const TCHAR* Match,
FName& Name
)

 Parses a name.
Public function Static bool

Value ( const TCHAR* Stream,
const TCHAR* Match,
FString& Value,
bool bShouldStopOnSeparator,
const TCHAR** OptStreamGotTo
)

 Parses a string.
Public function Static bool

Value ( const TCHAR* Stream,
const TCHAR* Match,
int16& Value
)

 Parses a signed word.
Public function Static bool

Value ( const TCHAR* Stream,
const TCHAR* Match,
TCHAR* Value,
int32 MaxLen,
bool bShouldStopOnSeparator,
const TCHAR** OptStreamGotTo
)

 Parses a string from a text string.

Classes

  Type Name Description
Public struct FGrammarBasedParseResult    

Enums

  Type Name Description
Public enum EGrammarBasedParseErrorCode    
Public enum EGrammarBasedParseFlags CLI string parsing using grammar based parser.  

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