/*
 * 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(DOMSUPPORT_HEADER_GUARD_1357924680)
#define DOMSUPPORT_HEADER_GUARD_1357924680



// Base include file.  Must be first.
#include <xalanc/DOMSupport/DOMSupportDefinitions.hpp>



XALAN_CPP_NAMESPACE_BEGIN



class XalanAttr;
class XalanDocument;
class XalanDOMString;
class XalanElement;
class XalanNode;
class XalanText;



class XALAN_DOMSUPPORT_EXPORT DOMSupport
{
public:

    DOMSupport();

    virtual
    ~DOMSupport();

    // These interfaces are inherited from Resettable...

    virtual void
    reset() = 0;

    // These interfaces are new to DOMSupport...

    /**
     * Retrieves the URI of the named unparsed entity
     * from the supplied document.
     * 
     * @param theName The name of the entity
     * @param theDocument The document that contains the entity
     * @return The URI of the entity
     */
    virtual const XalanDOMString&
    getUnparsedEntityURI(
            const XalanDOMString&   theName,
            const XalanDocument&    theDocument) const = 0;

    /**
     * Determine if a node is after another node, in document order.
     *
     * @param node1 The first node
     * @param node2 The second node
     * @return true if node1 one is after node2, or false if it is not.
     */
    virtual bool
    isNodeAfter(
            const XalanNode&    node1,
            const XalanNode&    node2) const = 0;
};



XALAN_CPP_NAMESPACE_END



#endif  // DOMSUPPORT_HEADER_GUARD_1357924680
