Namespace Xpath
Class CCoreFunctionLibrary

class CCoreFunctionLibrary: public CFunctionLibrary {
public:
    CCoreFunctionLibrary();
    ~CCoreFunctionLibrary();
public:
    bool IsFunctionAvailable(
        const CString &strNamespaceUri,
        const CString &strLocalName);
    XFunction FindFunction(
        const CString &strNamespaceUri,
        const CString &strLocalName);
    };

The XPath core function library.

Since:

1.00.00

Version:

1.00.00

Author:

Alexey Gokhberg

See Also:

CFunction, CFunctionLibrary

CCoreFunctionLibrary

CCoreFunctionLibrary();

Constructs the core function library.

Initially the core function library contains all core functions defined in XPath.

~CCoreFunctionLibrary

~CCoreFunctionLibrary();

Destroys the core function library.

IsFunctionAvailable

bool IsFunctionAvailable(
    const CString &strNamespaceUri,
    const CString &strLocalName);

Tests whether a function with the given namespace URI and local name is available in this function library.

Parameters:

strNamespaceUri - the namespace URI of a function

strLocalName - the local name of a function

Returns:

true if the function with the given namespace URI and local name is available in this function library; false otherwise

FindFunction

XFunction FindFunction(
    const CString &strNamespaceUri,
    const CString &strLocalName);

Looks up a function with the given namespace URI and local name in this function library.

Parameters:

strNamespaceUri - the namespace URI of a function to look up

strLocalName - the local name of a function to look up

Returns:

the function with the given namespace URI and local name, or NULL if none was found