Namespace Xpath
Class CNodeTest

class CNodeTest: public CInterface {
public:
    enum {
        wildcard,
        namespaceWildcard,
        name,
        comment,
        text,
        processingInstruction,
        processingInstructionTarget,
        node
        };
public:
    CNodeTest();
    virtual ~CNodeTest();
public:
    virtual int GetType() = 0;
    virtual bool Evaluate(
        const XContext &pContext, const XNode &pNode) = 0;
    virtual CString GetLocalName();
    };

The abstract interface to XPath node tests.

Every node test object is assigned a certain type. Allowed type codes are specified using the anonymous enumeration in the declaration of this class.

Since:

1.00.00

Version:

1.00.00

Author:

Alexey Gokhberg

See Also:

CContext, Dom::INode

CNodeTest

CNodeTest();

Constructs the node test.

~CNodeTest

virtual ~CNodeTest();

Destroys the node test.

GetType

virtual int GetType() = 0;

Returns the type of this node test.

Returns:

the type of this node test

Evaluate

virtual bool Evaluate(
    const XContext &pContext, const XNode &pNode) = 0;

Evaluates this node test for the given node in the given context.

Parameters:

pContext - the evaluation context

pNode - the node to which this node test is to be applied

Returns:

true if this node test is satisfied for the given node in the given context; false otherwise

GetLocalName

virtual CString GetLocalName();

Returns the local name associated with this node test.

Returns:

the local name associated with this node test, if the node test has type CNodeTest::name ; the empty string otherwise