FunctionDistinct.hpp

Go to the documentation of this file.

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you 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(FUNCTIONDISTINCT_HEADER_GUARD_1357924680)
#define FUNCTIONDISTINCT_HEADER_GUARD_1357924680
 
 
 
// Base header file.  Must be first.
#include <xalanc/XalanExtensions/XalanExtensionsDefinitions.hpp>
 
 
 
// Base class header file...
#include <xalanc/XPath/Function.hpp>
 
 
 
namespace XALAN_CPP_NAMESPACE {
 
 
 
/**
 * XPath implementation of "difference" function.
 */
class XALAN_XALANEXTENSIONS_EXPORT FunctionDistinct : public Function
{
public:
 
    typedef Function    ParentType;
 
    FunctionDistinct();
 
    virtual
    ~FunctionDistinct();
 
    // These methods are inherited from Function ...
 
    virtual XObjectPtr
    execute(
            XPathExecutionContext&          executionContext,
            XalanNode*                      context,
            const XObjectArgVectorType&     args,
            const Locator*                  locator) const;
 
    using ParentType::execute;
 
    virtual FunctionDistinct*
    clone(MemoryManager& theManager) const;
 
protected:
 
    virtual const XalanDOMString&
    getError(XalanDOMString& theResult) const;
 
private:
 
    // Not implemented...
    FunctionDistinct&
    operator=(const FunctionDistinct&);
 
    bool
    operator==(const FunctionDistinct&) const;
};
 
 
 
}
 
 
 
#endif  // FUNCTIONDISTINCT_HEADER_GUARD_1357924680