/usr/include/xalanc/XPath/Function.hpp is in libxalan110-dev 1.10-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright 1999-2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#if !defined(FUNCTION_HEADER_GUARD_1357924680)
#define FUNCTION_HEADER_GUARD_1357924680
// Base header file. Must be first.
#include <xalanc/XPath/XPathDefinitions.hpp>
#include <xalanc/Include/XalanMemMgrAutoPtr.hpp>
#include <vector>
#include <xalanc/XPath/XObject.hpp>
#include <xalanc/XPath/XPathExecutionContext.hpp>
XALAN_DECLARE_XERCES_CLASS(Locator)
XALAN_CPP_NAMESPACE_BEGIN
class XalanNode;
// Base class for all XPath function classes.
//
// These are all inline, even though
// there are virtual functions, because we expect that they will only be
// needed by the XPath class.
class XALAN_XPATH_EXPORT Function
{
public:
typedef XERCES_CPP_NAMESPACE_QUALIFIER Locator LocatorType;
explicit
Function();
virtual
~Function();
typedef XPathExecutionContext::XObjectArgVectorType XObjectArgVectorType;
/**
* 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.
*
* @param executionContext executing context
* @param context current context node
* @param args vector of pointers to XObject arguments
* @param locator LocatorType instance for the XPath expression that contains the function call
* @return pointer to the result XObject
*/
virtual XObjectPtr
execute(
XPathExecutionContext& executionContext,
XalanNode* context,
const XObjectArgVectorType& args,
const LocatorType* locator) const;
/**
* Execute an XPath function object. The function must return a valid
* object. Called if function has no parameters.
*
* @param executionContext executing context
* @param context current context node
* @param locator LocatorType instance for the XPath expression that contains the function call
* @return pointer to the result XObject
*/
virtual XObjectPtr
execute(
XPathExecutionContext& executionContext,
XalanNode* context,
const LocatorType* locator) const;
/**
* Execute an XPath function object. The function must return a valid
* object. Called if function has one parameter.
*
* @param executionContext executing context
* @param context current context node
* @param arg pointer to XObject argument
* @param locator LocatorType instance for the XPath expression that contains the function call
* @return pointer to the result XObject
*/
virtual XObjectPtr
execute(
XPathExecutionContext& executionContext,
XalanNode* context,
const XObjectPtr arg,
const LocatorType* locator) const;
/**
* Execute an XPath function object. The function must return a valid
* object. Called if function has two parameters.
*
* @param executionContext executing context
* @param context current context node
* @param arg1 pointer to XObject argument
* @param arg2 pointer to XObject argument
* @param locator LocatorType instance for the XPath expression that contains the function call
* @return pointer to the result XObject
*/
virtual XObjectPtr
execute(
XPathExecutionContext& executionContext,
XalanNode* context,
const XObjectPtr arg1,
const XObjectPtr arg2,
const LocatorType* locator) const;
/**
* Execute an XPath function object. The function must return a valid
* object. Called if function has three parameters.
*
* @param executionContext executing context
* @param context current context node
* @param arg1 pointer to XObject arguments
* @param arg2 pointer to XObject argument
* @param arg3 pointer to XObject argument
* @param locator LocatorType instance for the XPath expression that contains the function call
* @return pointer to the result XObject
*/
virtual XObjectPtr
execute(
XPathExecutionContext& executionContext,
XalanNode* context,
const XObjectPtr arg1,
const XObjectPtr arg2,
const XObjectPtr arg3,
const LocatorType* locator) const;
/**
* Create a copy of the function object.
*
* @return pointer to the new object
*/
virtual Function*
clone(MemoryManagerType& theManager) const = 0;
protected:
/**
* Get the error message to report when
* the function is called with the wrong
* number of arguments.
*
* @return function error message
*/
virtual const XalanDOMString&
getError(XalanDOMString& theBuffer) const = 0;
private:
// Not implemented...
Function&
operator=(const Function&);
bool
operator==(const Function&) const;
};
XALAN_CPP_NAMESPACE_END
#endif // FUNCTION_HEADER_GUARD_1357924680
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