Namespace Xpath
Class CExpr

class CExpr: public CInterface {
public:
    CExpr();
    virtual ~CExpr();
public:
    virtual XValue Evaluate(const XContext &pContext) = 0;
    };

The abstract interface to XPath expressions.

Since:

1.00.00

Version:

1.00.00

Author:

Alexey Gokhberg

See Also:

CValue, CContext

CExpr

CExpr();

Constructs the expression.

~CExpr

virtual ~CExpr();

Destroys the expression.

Evaluate

virtual XValue Evaluate(const XContext &pContext) = 0;

Evaluates the expression.

Parameters:

pContext - the evaluation context

Returns:

the value obtained as the result of evaluation