XPath2Result.hpp

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/*
 * Copyright (c) 2001-2007
 *     DecisionSoft Limited. All rights reserved.
 * Copyright (c) 2004-2007
 *     Oracle. All rights reserved.
 *
 * 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.
 *
 * $Id: XPath2Result.hpp,v 1.12 2007/11/28 13:13:21 jpcs Exp $
 */

#ifndef __XPATH2RESULT_HPP
#define __XPATH2RESULT_HPP

#include <xqilla/framework/XQillaExport.hpp>

#include <xercesc/dom/DOMNode.hpp>
#include <xercesc/dom/DOMTypeInfo.hpp>
#include <xercesc/dom/DOMException.hpp>
#include <xercesc/dom/DOMXPathException.hpp>

class XQILLA_API XPath2Result
{
public:
  virtual ~XPath2Result() {};

  enum ResultType {
    FIRST_RESULT    = 100,
    ITERATOR_RESULT = 101,
    SNAPSHOT_RESULT = 102
  };


  virtual ResultType getResultType() const = 0;

  virtual bool isNode() const = 0;

  virtual const XERCES_CPP_NAMESPACE_QUALIFIER DOMTypeInfo *getTypeInfo() const = 0;

  virtual double asDouble() const = 0;

  virtual int asInt() const = 0;

  virtual const XMLCh* asString() const = 0;

  virtual bool asBoolean() const = 0;

  virtual const XERCES_CPP_NAMESPACE_QUALIFIER DOMNode* asNode() const = 0;

  virtual bool getInvalidIteratorState() const = 0;

  virtual size_t getSnapshotLength() const = 0;

  virtual bool iterateNext() = 0;

  virtual bool snapshotItem(size_t) = 0;

  virtual void release() = 0;

protected:
  XPath2Result() {};
private:
  XPath2Result(const XPath2Result &);
  XPath2Result &operator=(const XPath2Result &);
};

#endif

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