Inheritance diagram for iExpressionContext:

Detailed Description

Expression context.

General
virtual iExpressionContext *	GetParentContext () const =0
	Get the parent context. {Property}. More...

virtual iExpressionContext *	CreateContext ()=0
	Create a child context. More...

Variables
virtual iExpressionVariable *	CreateVariable (const achar *aaszName, eExpressionVariableType aType, tExpressionVariableFlags aFlags=eExpressionVariableFlags_Default)=0
	Create a new variable. More...

virtual iExpressionVariable *	CreateVariableFromExpr (const achar aaszName, const achar aaszExpr, tExpressionVariableFlags aFlags=eExpressionVariableFlags_Default)=0
	Create a variable from an expression. More...

virtual iExpressionVariable *	CreateVariableFromRunnable (const achar aaszName, eExpressionVariableType aType, iRunnable apRunnable, tExpressionVariableFlags aFlags=eExpressionVariableFlags_Default)=0
	Create a variable whos value is fetched from a runnable. More...

virtual iExpressionVariable *	CreateVariableFromVar (const achar *aaszName, const Var &aInitialValue, tExpressionVariableFlags aFlags=eExpressionVariableFlags_Default)=0
	Create a variable initialized with the value of the specified variant. More...

virtual tBool	AddVariable (iExpressionVariable *apVar)=0
	Add a variable to the expression context. More...

virtual tBool	RemoveVariable (iExpressionVariable *apVariable)=0
	Remove a variable from the expression context. More...

virtual iExpressionVariable *	FindVariable (iHString *ahspName) const =0
	Find the variable with the specified name. More...

Expressions
virtual iExpression *	CreateExpression (const achar *aaszExpr)=0
	Create a new expression. More...

virtual iExpressionVariable *	Eval (const achar *aaszExpr)=0
	Evaluate an expression. More...

virtual tBool	GetUnknownSymbols (const achar aaszExpr, tStringCVec apList)=0
	Get the unknown symbols into the specified expression. More...

Enumerations
virtual void	SetGlobalEnumSearch (tBool abEnabled)=0
	Allows the parser to search in all registered modules enumerations. {Property}. More...

virtual tBool	GetGlobalEnumSearch () const =0
	Get the global enum search status. {Property}. More...

virtual tBool	AddEnumDef (const sEnumDef *apEnumDef)=0
	Add an enumeration definition. More...

virtual const sEnumDef *	GetEnumDef (const achar *aaszName) const =0
	Get the specified enumeration. {Property}. More...

virtual void	SetDefaultEnumDef (const sEnumDef *apEnumDef)=0
	Set the default enumeration definition. {Property}. More...

virtual const sEnumDef *	GetDefaultEnumDef () const =0
	Get the default enumeration definition. {Property}. More...

virtual cString	GetEnumValueString (tU32 anValue) const =0
	Get an enumeration value string. More...

virtual cString	GetEnumFlagsString (tU32 anValue) const =0
	Get an enumeration flags string. More...

URL Resolver
virtual tBool	RegisterURLResolver (const achar aaszProtocol, iExpressionURLResolver apResolver)=0

virtual tBool	UnregisterURLResolver (const achar *aaszProtocol)=0

virtual iExpressionURLResolver *	FindURLResolver (const achar *aaszProtocol) const =0

Additional Inherited Members
Public Member Functions inherited from iUnknown
virtual tBool	IsOK () const =0
	Check if the object is valid. More...

virtual tI32	AddRef ()=0
	Signal that one more reference of the object has been created. More...

virtual tI32	Release ()=0
	Release a reference of the object. More...

virtual void	DeleteThis ()=0
	Bypass any reference counting and delete this object. More...

virtual void	Invalidate ()=0
	Invalidate the object. More...

virtual iUnknown *	QueryInterface (const tUUID &aIID)=0
	Query an interface. More...

virtual void	ListInterfaces (iMutableCollection *apLst, tU32 anFlags) const =0
	Fill a UUID list containing the UUIDs of the implemented interfaces. More...

virtual tI32	SetNumRefs (tI32 anNumRefs)=0
	Set the reference counter directly. More...

virtual tI32	GetNumRefs () const =0
	Get the number of references to this object. More...

Member Function Documentation

virtual iExpressionContext* GetParentContext ( ) const

pure virtual

Get the parent context. {Property}.

virtual iExpressionContext* CreateContext ( )

pure virtual

Create a child context.

virtual iExpressionVariable* CreateVariable	(	const achar *	aaszName,
		eExpressionVariableType	aType,
		tExpressionVariableFlags	aFlags = `eExpressionVariableFlags_Default`
	)

pure virtual

Create a new variable.

virtual iExpressionVariable* CreateVariableFromExpr	(	const achar *	aaszName,
		const achar *	aaszExpr,
		tExpressionVariableFlags	aFlags = `eExpressionVariableFlags_Default`
	)

pure virtual

Create a variable from an expression.

virtual iExpressionVariable* CreateVariableFromRunnable	(	const achar *	aaszName,
		eExpressionVariableType	aType,
		iRunnable *	apRunnable,
		tExpressionVariableFlags	aFlags = `eExpressionVariableFlags_Default`
	)

pure virtual

Create a variable whos value is fetched from a runnable.

virtual iExpressionVariable* CreateVariableFromVar	(	const achar *	aaszName,
		const Var &	aInitialValue,
		tExpressionVariableFlags	aFlags = `eExpressionVariableFlags_Default`
	)

pure virtual

Create a variable initialized with the value of the specified variant.

virtual tBool AddVariable ( iExpressionVariable * apVar )

pure virtual

Add a variable to the expression context.

Remarks: Not duplicate or empty variable names are allowed.

virtual tBool RemoveVariable ( iExpressionVariable * apVariable )

pure virtual

Remove a variable from the expression context.

virtual iExpressionVariable* FindVariable ( iHString * ahspName ) const

pure virtual

Find the variable with the specified name.

virtual iExpression* CreateExpression ( const achar * aaszExpr )

pure virtual

Create a new expression.

virtual iExpressionVariable* Eval ( const achar * aaszExpr )

pure virtual

Evaluate an expression.

virtual tBool GetUnknownSymbols	(	const achar *	aaszExpr,
		tStringCVec *	apList
	)

pure virtual

Get the unknown symbols into the specified expression.

Parameters

aaszExpr	the expression to retrieve the symbols from.
apList	the string list where the symbols will be place

See also: ni::tStringCVec

virtual void SetGlobalEnumSearch ( tBool abEnabled )

pure virtual

Allows the parser to search in all registered modules enumerations. {Property}.

Remarks: Disabled by default.

virtual tBool GetGlobalEnumSearch ( ) const

pure virtual

Get the global enum search status. {Property}.

virtual tBool AddEnumDef ( const sEnumDef * apEnumDef )

pure virtual

Add an enumeration definition.

virtual const sEnumDef* GetEnumDef ( const achar * aaszName ) const

pure virtual

Get the specified enumeration. {Property}.

virtual void SetDefaultEnumDef ( const sEnumDef * apEnumDef )

pure virtual

Set the default enumeration definition. {Property}.

virtual const sEnumDef* GetDefaultEnumDef ( ) const

pure virtual

Get the default enumeration definition. {Property}.

virtual cString GetEnumValueString ( tU32 anValue ) const

pure virtual

Get an enumeration value string.

Remarks: Uses the registered enumerations.

virtual cString GetEnumFlagsString ( tU32 anValue ) const

pure virtual

Get an enumeration flags string.

Remarks: Uses the registered enumerations.

virtual tBool RegisterURLResolver	(	const achar *	aaszProtocol,
		iExpressionURLResolver *	apResolver
	)

pure virtual

virtual tBool UnregisterURLResolver ( const achar * aaszProtocol )

pure virtual

virtual iExpressionURLResolver* FindURLResolver ( const achar * aaszProtocol ) const

pure virtual

Detailed Description

General

Variables

Expressions

Enumerations

URL Resolver

Additional Inherited Members

Member Function Documentation