/*
 * Copyright 2002,2004 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.
 */

class PerlCallbackHandler {

public:

   PerlCallbackHandler();
   PerlCallbackHandler(SV*);
   SV* set_callback_obj(SV*);
};

class PerlNodeFilterCallbackHandler : public DOMNodeFilter, public PerlCallbackHandler {

public:

    PerlNodeFilterCallbackHandler();
    PerlNodeFilterCallbackHandler(SV*);
//    void set_callback_obj(SV*);

};

class PerlDocumentCallbackHandler : public DocumentHandler, public PerlCallbackHandler {

public:

    PerlDocumentCallbackHandler();
    PerlDocumentCallbackHandler(SV*);
//    void set_callback_obj(SV*);

};

class PerlContentCallbackHandler : public ContentHandler, public PerlCallbackHandler {

public:

    PerlContentCallbackHandler();
    PerlContentCallbackHandler(SV*);
//    void set_callback_obj(SV*);

};

class PerlEntityResolverHandler : public EntityResolver, public PerlCallbackHandler {

public:

    PerlEntityResolverHandler();
    PerlEntityResolverHandler(SV*);
//    void set_callback_obj(SV*);

};

class PerlErrorCallbackHandler : public ErrorHandler, public PerlCallbackHandler {

public:

    PerlErrorCallbackHandler();
    PerlErrorCallbackHandler(SV*);
//    void set_callback_obj(SV*);
};