Gray C++ Libraries  0.0.2
A set of C++ libraries for MSVC, GNU on Windows, WinCE, Linux
Public Member Functions | Static Public Member Functions | Static Public Attributes | Protected Member Functions | Protected Attributes | List of all members
GrayLib::cExpressionExec Class Reference

#include <cExpressionExec.h>

Inheritance diagram for GrayLib::cExpressionExec:
GrayLib::cExpressionBase GrayLib::cScriptExec

Public Member Functions

 cExpressionExec (cExpressionContext *pContext)
 
virtual ~cExpressionExec ()
 
virtual HRESULT ExecuteFunctionInt (const ATOMCHAR_t *&rpszExp, OUT cVariant &vValRet, EXP_PARSE_MASK_t uParseFlags)
 Parse and exec a function returning a variant. More...
 
HRESULT ExecuteCommand (const ATOMCHAR_t *pszCommand, OUT cVariant &vValRet)
 Execute a single command line. as typed by some user. More...
 
HRESULT GetVarRef1 (const ATOMCHAR_t *&rpszExp, OUT cVariant &vValRet)
 
HRESULT DoMathOp1 (cVariant &vVal, const ATOMCHAR_t *&rpszExp)
 
virtual HRESULT GetVarRef2 (const ATOMCHAR_t *&rpszExp, OUT cVariant &vValRet, bool bInArray) override
 
cVariant GetVarComplexRef (const ATOMCHAR_t *&rpszExp)
 
cVariant GetVarComplex (const ATOMCHAR_t *pszExp)
 
bool GetComplexBool (const ATOMCHAR_t *pszExp)
 
int GetComplexInt (const ATOMCHAR_t *pszExp)
 
UINT32 GetComplexDWord (const ATOMCHAR_t *pszExp)
 
float GetComplexFloat (const ATOMCHAR_t *pszExp)
 
double GetComplexDouble (const ATOMCHAR_t *pszExp)
 
- Public Member Functions inherited from GrayLib::cExpressionBase
 IGNORE_WARN_ABSTRACT (cExpressionBase)
 
HRESULT GetArrayListRef (const ATOMCHAR_t *&rpszExp, OUT cVariant &vValRet, ITERATE_t nAppendStart=0)
 
HRESULT GetArrayRef (const ATOMCHAR_t *&rpszExp, OUT cVariant &vValRet, ITERATE_t nAppendStart=0)
 
HRESULT GetMapListRef (const ATOMCHAR_t *&rpszExp, OUT cVarMap &rMapRet)
 
HRESULT GetMapRef (const ATOMCHAR_t *&rpszExp, OUT cVarMap &rMapRet)
 
HRESULT GetMapListRef (const ATOMCHAR_t *&rpszExp, OUT cVariant &rMapRet)
 
HRESULT GetMapRef (const ATOMCHAR_t *&rpszExp, OUT cVariant &vValRet)
 
cVariant GetVarRef (const ATOMCHAR_t *&rpszExp)
 
HRESULT GetVar (const ATOMCHAR_t *pszExp, OUT cVariant &vValRet)
 
cVariant GetVar (const ATOMCHAR_t *pszExp)
 
 UNITTEST_FRIEND (cExpressionBase)
 

Static Public Member Functions

static HRESULT GRAYCALL DoMathOp2 (cVariant &vVal, const cVariant &vVal2, ATOMCHAR_t chOp)
 
static int GetXInt (const ATOMCHAR_t *pszExp)
 
static UINT32 GetXDWord (const ATOMCHAR_t *pszExp)
 
static float GetXFloat (const ATOMCHAR_t *pszExp)
 
- Static Public Member Functions inherited from GrayLib::cExpressionBase
static bool GRAYCALL IsParenNeeded (const ATOMCHAR_t *pszExp)
 
static HRESULT GRAYCALL GetStringRefQ (const ATOMCHAR_t *&rpszExp, OUT cStringA &rsRet)
 
static HRESULT GRAYCALL GetStringRefV (const ATOMCHAR_t *&rpszExp, OUT cVariant &rvValRet)
 
static HRESULT GRAYCALL GetMapElementName (const ATOMCHAR_t *&rpszExp, OUT cStringA &rsName)
 
static HRESULT GRAYCALL GetSimpleVarRef (const ATOMCHAR_t *&rpszExp, OUT cVariant &vValRet)
 

Static Public Attributes

static cExpressionExec * sm_pExpExecBest
 allow cScriptExec (or other engine) to be used as default. More...
 
- Static Public Attributes inherited from GrayLib::cExpressionBase
static const ATOMCHAR_t k_ArrayOpen = '['
 
static const ATOMCHAR_t k_ArrayClose = ']'
 
static const ATOMCHAR_t k_MapOpen = '{'
 
static const ATOMCHAR_t k_MapClose = '}'
 

Protected Member Functions

HRESULT ParseArgV (const ATOMCHAR_t *&rpszExp, OUT cVariant &vArgsRet, EXP_PARSE_MASK_t uParseFlags)
 
cExpressionContext * get_ContextCurrent () const
 

Protected Attributes

EXP_PARSE_MASK_t m_wParseFlags
 EXP_PARSE_IGNORE_EXTRA. More...
 

Detailed Description

Evaluate a string as an expression (possibly complex math etc). Store result as a cVariant. Stack based instantiation used to set the current cExpressionContext for this thread.

Constructor & Destructor Documentation

◆ cExpressionExec()

GrayLib::cExpressionExec::cExpressionExec ( cExpressionContext *  pContext)
explicit

◆ ~cExpressionExec()

virtual GrayLib::cExpressionExec::~cExpressionExec ( )
virtual

Member Function Documentation

◆ DoMathOp1()

HRESULT GrayLib::cExpressionExec::DoMathOp1 ( cVariant &  vVal,
const ATOMCHAR_t *&  rpszExp 
)

◆ DoMathOp2()

static HRESULT GRAYCALL GrayLib::cExpressionExec::DoMathOp2 ( cVariant &  vVal,
const cVariant &  vVal2,
ATOMCHAR_t  chOp 
)
static

Complex = could be an expression. Complex = can be 1+2 without (1+2) parenthesis

◆ ExecuteCommand()

HRESULT GrayLib::cExpressionExec::ExecuteCommand ( const ATOMCHAR_t *  pszCommand,
OUT cVariant &  vValRet 
)

Execute a single command line. as typed by some user.

◆ ExecuteFunctionInt()

virtual HRESULT GrayLib::cExpressionExec::ExecuteFunctionInt ( const ATOMCHAR_t *&  rpszExp,
OUT cVariant &  vValRet,
EXP_PARSE_MASK_t  uParseFlags 
)
virtual

Parse and exec a function returning a variant.

Reimplemented in GrayLib::cScriptExec.

◆ get_ContextCurrent()

cExpressionContext* GrayLib::cExpressionExec::get_ContextCurrent ( ) const
inlineprotected

Get the context attached to this exec engine. should most times be the same as current!

< a hard assigned context ?

< else just use the current (for thread) or default context.

◆ GetComplexBool()

bool GrayLib::cExpressionExec::GetComplexBool ( const ATOMCHAR_t *  pszExp)
inline

◆ GetComplexDouble()

double GrayLib::cExpressionExec::GetComplexDouble ( const ATOMCHAR_t *  pszExp)
inline

◆ GetComplexDWord()

UINT32 GrayLib::cExpressionExec::GetComplexDWord ( const ATOMCHAR_t *  pszExp)
inline

◆ GetComplexFloat()

float GrayLib::cExpressionExec::GetComplexFloat ( const ATOMCHAR_t *  pszExp)
inline

◆ GetComplexInt()

int GrayLib::cExpressionExec::GetComplexInt ( const ATOMCHAR_t *  pszExp)
inline

◆ GetVarComplex()

cVariant GrayLib::cExpressionExec::GetVarComplex ( const ATOMCHAR_t *  pszExp)
inline

This version doesn't advance the pszExp pointer.

◆ GetVarComplexRef()

cVariant GrayLib::cExpressionExec::GetVarComplexRef ( const ATOMCHAR_t *&  rpszExp)

◆ GetVarRef1()

HRESULT GrayLib::cExpressionExec::GetVarRef1 ( const ATOMCHAR_t *&  rpszExp,
OUT cVariant &  vValRet 
)

◆ GetVarRef2()

virtual HRESULT GrayLib::cExpressionExec::GetVarRef2 ( const ATOMCHAR_t *&  rpszExp,
OUT cVariant &  vValRet,
bool  bInArray 
)
overridevirtual

Reimplemented from GrayLib::cExpressionBase.

◆ GetXDWord()

static UINT32 GrayLib::cExpressionExec::GetXDWord ( const ATOMCHAR_t *  pszExp)
inlinestatic

◆ GetXFloat()

static float GrayLib::cExpressionExec::GetXFloat ( const ATOMCHAR_t *  pszExp)
inlinestatic

◆ GetXInt()

static int GrayLib::cExpressionExec::GetXInt ( const ATOMCHAR_t *  pszExp)
inlinestatic

◆ ParseArgV()

HRESULT GrayLib::cExpressionExec::ParseArgV ( const ATOMCHAR_t *&  rpszExp,
OUT cVariant &  vArgsRet,
EXP_PARSE_MASK_t  uParseFlags 
)
protected

Member Data Documentation

◆ m_wParseFlags

EXP_PARSE_MASK_t GrayLib::cExpressionExec::m_wParseFlags
protected

EXP_PARSE_IGNORE_EXTRA.

◆ sm_pExpExecBest

cExpressionExec* GrayLib::cExpressionExec::sm_pExpExecBest
static

allow cScriptExec (or other engine) to be used as default.

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