Namespace Xml
Class CXpathExpr

class CXpathExpr: public CInterface {
public:
    CXpathExpr(Xpath::CExpr *pExpr);
    ~CXpathExpr();
public:
    CXpathValue Evaluate(CXpathContext *pContext);
public:
    Xpath::CExpr *GetExpr();
    };
typedef XInterface<CXpathExpr> XXpathExpr;

Encapsulates XPath expressions.

Objects of this type are normally created with the CreateExpr function.

Since:

1.50.00

Version:

1.50.00

Author:

Alexey Gokhberg

See Also:

CXpathValue, CXpathContext

CXpathExpr

CXpathExpr(Xpath::CExpr *pExpr);

Constructs the XPath expression.

This constructor is intended mainly for the toolkit internal use.

Parameters:

pExpr - the internal representation of the XPath expression to be encapsulated in this object

~CXpathExpr

~CXpathExpr();

Destroys the XPath expression.

Evaluate

CXpathValue Evaluate(CXpathContext *pContext);

Evaluates this XPath expression in a given context.

Parameters:

pContext - the XPath context

Returns:

the result of evaluation

GetExpr

Xpath::CExpr *GetExpr();

Returns the internal representation of XPath expression encapsulated in this object.

This method is intended mainly for the toolkit internal use.

Returns:

the internal representation of XPath expression encapsulated in this object