FunctionID.hpp

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/*
 * 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(FUNCTIONID_HEADER_GUARD_1357924680)
#define FUNCTIONID_HEADER_GUARD_1357924680
 
 
 
// Base header file.  Must be first.
#include <xalanc/XPath/XPathDefinitions.hpp>
 
 
 
#include <xalanc/XalanDOM/XalanElement.hpp>
#include <xalanc/XalanDOM/XalanNode.hpp>
#include <xalanc/XalanDOM/XalanDocument.hpp>
 
 
 
// Base class header files...
#include <xalanc/XPath/Function.hpp>
#include <xalanc/XPath/XObjectTypeCallback.hpp>
 
 
 
#include <xalanc/PlatformSupport/DOMStringHelper.hpp>
#include <xalanc/PlatformSupport/StringTokenizer.hpp>
 
 
 
#include <xalanc/XPath/MutableNodeRefList.hpp>
#include <xalanc/XPath/NodeRefListBase.hpp>
 
 
 
namespace XALAN_CPP_NAMESPACE {
 
 
 
/**
 * XPath implementation of "id" function.
 */
class XALAN_XPATH_EXPORT FunctionID : public Function
{
public:
 
    typedef Function    ParentType;
 
    FunctionID();
 
    virtual
    ~FunctionID();
 
    // These methods are inherited from Function ...
 
    virtual XObjectPtr
    execute(
            XPathExecutionContext&  executionContext,
            XalanNode*              context,
            const XObjectPtr        arg1,
            const Locator*          locator) const;
 
    using ParentType::execute;
 
    virtual FunctionID*
    clone(MemoryManager& theManager) const;
 
protected:
 
    virtual const XalanDOMString&
    getError(XalanDOMString& theResult) const;
 
private:
 
    class FunctionIDXObjectTypeCallback : public XObjectTypeCallback
    {
    public:
 
        FunctionIDXObjectTypeCallback(
                XPathExecutionContext&  theExecutionContext,
                XalanDOMString&         theString);
 
        void
        processCallback(const XObject&  theXObject);
 
        // These methods are inherited from XObjectTypeCallback ...
 
        virtual void
        Number(
            const XObject&  theXObject,
            double          /* theValue */);
 
        virtual void
        Boolean(
            const XObject&  theXObject,
            bool            /* theValue */);
 
        virtual void
        String(
            const XObject&          theXObject,
            const XalanDOMString&   /* theValue */);
 
        virtual void
        ResultTreeFragment(
            const XObject&                  theXObject,
            const XalanDocumentFragment&    /* theValue */);
 
        virtual void
        ResultTreeFragment(
            const XObject&          theXObject,
            XalanDocumentFragment&  /* theValue */);
 
        virtual void
        NodeSet(
            const XObject&          /* theXObject */,
            const NodeRefListBase&  theValue);
 
        virtual void
        Unknown(
            const XObject&          /* theObject */,
            const XalanDOMString&   /* theName */);
 
        virtual void
        Null(const XObject&     /* theObject */);
 
    private:
 
        XalanDOMString&         m_resultString;
 
        XPathExecutionContext&  m_executionContext;
    };
 
    // Not implemented...
    FunctionID&
    operator=(const FunctionID&);
 
    bool
    operator==(const FunctionID&) const;
};
 
 
 
}
 
 
 
#endif  // FUNCTIONID_HEADER_GUARD_1357924680