BinaryExpressionParser Class Reference

Evaluates stuff like this expression. More...

Public Member Functions
	BinaryExpressionParser (const char *expr, BEPEvaluteCallback_t varFuncParam, const void *userdataPtr)
bool	getResult () const
binaryExpressionParserError_t	getError () const

Private Member Functions
void	SkipWhiteSpaces (const char **s) const
void	NextChar (const char **s) const
	Advance to the next char that is no whitespace. More...
const char *	GetSwitchName (const char **s)
bool	CheckOR (const char **s)
	Evaluates or and xor in the given string. This is the entry point, it delegates to the and checks that are done in CheckAnd. More...
bool	CheckAND (const char **s)

Private Attributes
binaryExpressionParserError_t	binaryExpressionParserError
BEPEvaluteCallback_t	varFunc
char	varName [MAX_VAR]
bool	result
const void *	userdata

Detailed Description

Evaluates stuff like this expression.

(x & !y) ^ z

Definition at line 36 of file binaryexpressionparser.cpp.

Constructor & Destructor Documentation

BinaryExpressionParser::BinaryExpressionParser ( const char *  expr, BEPEvaluteCallback_t  varFuncParam, const void *  userdataPtr  )

inline

Definition at line 153 of file binaryexpressionparser.cpp.

References BEPERR_NOEND, CheckOR(), and Q_strvalid.

Member Function Documentation

bool BinaryExpressionParser::CheckAND ( const char **  s )

inlineprivate

Definition at line 108 of file binaryexpressionparser.cpp.

References BEPERR_BRACE, BEPERR_NOTFOUND, CheckOR(), GetSwitchName(), NextChar(), result, SkipWhiteSpaces(), and varFunc.

Referenced by CheckOR().

bool BinaryExpressionParser::CheckOR ( const char **  s )

inlineprivate

Evaluates or and xor in the given string. This is the entry point, it delegates to the and checks that are done in CheckAnd.

Returns

The result of the evaluation

Definition at line 79 of file binaryexpressionparser.cpp.

References CheckAND(), NextChar(), result, and SkipWhiteSpaces().

Referenced by BinaryExpressionParser(), and CheckAND().

binaryExpressionParserError_t BinaryExpressionParser::getError ( ) const

inline

Definition at line 169 of file binaryexpressionparser.cpp.

References binaryExpressionParserError.

Referenced by BEP_Evaluate().

bool BinaryExpressionParser::getResult ( ) const

inline

Definition at line 164 of file binaryexpressionparser.cpp.

References result.

Referenced by BEP_Evaluate().

const char* BinaryExpressionParser::GetSwitchName ( const char **  s )

inlineprivate

Definition at line 60 of file binaryexpressionparser.cpp.

References varName.

Referenced by CheckAND().

void BinaryExpressionParser::NextChar ( const char **  s ) const

inlineprivate

Advance to the next char that is no whitespace.

Definition at line 53 of file binaryexpressionparser.cpp.

References SkipWhiteSpaces().

Referenced by CheckAND(), and CheckOR().

void BinaryExpressionParser::SkipWhiteSpaces ( const char **  s ) const

inlineprivate

Definition at line 44 of file binaryexpressionparser.cpp.

Referenced by CheckAND(), CheckOR(), and NextChar().

Field Documentation

binaryExpressionParserError_t BinaryExpressionParser::binaryExpressionParserError

private

Definition at line 38 of file binaryexpressionparser.cpp.

Referenced by getError().

bool BinaryExpressionParser::result

private

Definition at line 41 of file binaryexpressionparser.cpp.

Referenced by CheckAND(), CheckOR(), and getResult().

const void* BinaryExpressionParser::userdata

private

Definition at line 42 of file binaryexpressionparser.cpp.

BEPEvaluteCallback_t BinaryExpressionParser::varFunc

private

Definition at line 39 of file binaryexpressionparser.cpp.

Referenced by CheckAND().

char BinaryExpressionParser::varName[MAX_VAR]

private

Definition at line 40 of file binaryexpressionparser.cpp.

Referenced by GetSwitchName().

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The documentation for this class was generated from the following file:

• src/common/binaryexpressionparser.cpp