FunctionConcat Class Reference

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

#include <FunctionConcat.hpp>

Inherits Function.

Collaboration diagram for FunctionConcat:

List of all members.

Public Types

• typedef Function ParentType

Public Member Functions

• FunctionConcat ()
• virtual ~FunctionConcat ()
• virtual XObjectPtr execute (XPathExecutionContext &executionContext, XalanNode *context, const XObjectArgVectorType &args, const Locator *locator) const

  Execute an XPath function object.
  

• XObjectPtr execute (XPathExecutionContext &executionContext, XalanNode *context, const XObjectPtr arg1, const XObjectPtr arg2, const Locator *locator) const

  Execute an XPath function object.
  

• XObjectPtr execute (XPathExecutionContext &executionContext, XalanNode *context, const XObjectPtr arg1, const XObjectPtr arg2, const XObjectPtr arg3, const Locator *locator) const

  Execute an XPath function object.
  

• virtual FunctionConcat * clone (MemoryManager &theManager) const

  Create a copy of the function object.
  

Protected Member Functions

• virtual const XalanDOMString & getError (XalanDOMString &theResult) const

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

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Detailed Description

XPath implementation of "concat" function.

Definition at line 40 of file FunctionConcat.hpp.

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Member Typedef Documentation

typedef Function FunctionConcat::ParentType

Definition at line 44 of file FunctionConcat.hpp.

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Constructor & Destructor Documentation

FunctionConcat::FunctionConcat

(

)

virtual FunctionConcat::~FunctionConcat

(

)

[virtual]

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Member Function Documentation

virtual FunctionConcat* FunctionConcat::clone

(

MemoryManager &

theManager

)

const [virtual]

Create a copy of the function object.

Returns:

pointer to the new object

Implements Function.

virtual XObjectPtr FunctionConcat::execute	(	XPathExecutionContext &	executionContext,
		XalanNode *	context,
		const XObjectArgVectorType &	args,
		const Locator *	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	Locator 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 Locator *	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	Locator 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 XObjectPtr	arg3,
		const Locator *	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	Locator instance for the XPath expression that contains the function call

Returns:

pointer to the result XObject

Reimplemented from Function.

virtual const XalanDOMString& FunctionConcat::getError

(

XalanDOMString &

theBuffer

)

const [protected, virtual]

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

Parameters:

theBuffer

The XalanDOMString for the message.

Returns:

The error message

Implements Function.

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

• FunctionConcat.hpp