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FunctionConcat Class Reference

XPath implementation of "concat" function. More...

#include <FunctionConcat.hpp>

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List of all members.

Public Types

Public Methods

Protected Methods

Detailed Description

XPath implementation of "concat" function.

Member Typedef Documentation

typedef Function FunctionConcat::ParentType
 

Constructor & Destructor Documentation

FunctionConcat::FunctionConcat ( )
 

FunctionConcat::~FunctionConcat ( ) [virtual]
 

Member Function Documentation

FunctionConcat * FunctionConcat::clone ( MemoryManagerType & theManager ) const [virtual]
 

Create a copy of the function object.

Returns:
pointer to the new object

Reimplemented from Function.

XObjectPtr FunctionConcat::execute ( XPathExecutionContext & executionContext,
XalanNode * context,
const XObjectPtr arg1,
const XObjectPtr arg2,
const XObjectPtr arg3,
const LocatorType * locator ) const [virtual]
 

Execute an XPath function object.

The function must return a valid object. Called if function has three parameters.

Parameters:
executionContext   executing context
context   current context node
arg1   pointer to XObject arguments
arg2   pointer to XObject argument
arg3   pointer to XObject argument
locator   LocatorType instance for the XPath expression that contains the function call
Returns:
pointer to the result XObject

Reimplemented from Function.

XObjectPtr FunctionConcat::execute ( XPathExecutionContext & executionContext,
XalanNode * context,
const XObjectPtr arg1,
const XObjectPtr arg2,
const LocatorType * locator ) const [virtual]
 

Execute an XPath function object.

The function must return a valid object. Called if function has two parameters.

Parameters:
executionContext   executing context
context   current context node
arg1   pointer to XObject argument
arg2   pointer to XObject argument
locator   LocatorType instance for the XPath expression that contains the function call
Returns:
pointer to the result XObject

Reimplemented from Function.

XObjectPtr FunctionConcat::execute ( XPathExecutionContext & executionContext,
XalanNode * context,
const XObjectArgVectorType & args,
const LocatorType * locator ) const [virtual]
 

Execute an XPath function object.

The function must return a valid object. Extension functions should override this version of execute(), rather than one of the other calls designed for a specific number of arguments, since the extension function mechanism will call this version first. Extension functions that accept more than three arguments _must_ override this version.

Parameters:
executionContext   executing context
context   current context node
args   vector of pointers to XObject arguments
locator   LocatorType instance for the XPath expression that contains the function call
Returns:
pointer to the result XObject

Reimplemented from Function.

const XalanDOMString & FunctionConcat::getError ( XalanDOMString & theResult ) const [protected, virtual]
 

Get the error message to report when the function is called with the wrong number of arguments.

Returns:
function error message

Reimplemented from Function.

The documentation for this class was generated from the following file:

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