Node.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: Node.hpp,v 1.15 2007/11/28 13:13:24 jpcs Exp $
 */

#ifndef _XQILLANODE_HPP
#define _XQILLANODE_HPP

#include <xqilla/items/ATQNameOrDerived.hpp>
#include <xqilla/items/ATBooleanOrDerived.hpp>
#include <xqilla/ast/XQStep.hpp>

class DynamicContext;
class XPath2MemoryManager;
class Sequence;
class Result;
class NodeTest;

class XQILLA_API Node : public Item
{
public:
  typedef RefCountPointer<const Node> Ptr;

  virtual bool isNode() const = 0;

  virtual bool isAtomicValue() const = 0;

  virtual const XMLCh* asString(const DynamicContext* context) const = 0;

  virtual bool hasInstanceOfType(const XMLCh* typeURI, const XMLCh* typeName, const DynamicContext* context) const = 0;
  
  virtual Sequence dmBaseURI(const DynamicContext* context) const = 0;

  virtual const XMLCh* dmNodeKind() const = 0;

  virtual ATQNameOrDerived::Ptr dmNodeName(const DynamicContext* context) const = 0;

  virtual const XMLCh* dmStringValue(const DynamicContext* context) const = 0;

  virtual Sequence dmTypedValue(DynamicContext* context) const = 0;

  virtual Sequence dmDocumentURI(const DynamicContext* context) const = 0;

  virtual ATQNameOrDerived::Ptr dmTypeName(const DynamicContext* context) const = 0;

  virtual ATBooleanOrDerived::Ptr dmNilled(const DynamicContext* context) const = 0;

  virtual bool lessThan(const Node::Ptr &other, const DynamicContext *context) const = 0;

  virtual bool equals(const Node::Ptr &other) const = 0;

  virtual bool uniqueLessThan(const Node::Ptr &other, const DynamicContext *context) const = 0;

  virtual Node::Ptr root(const DynamicContext* context) const = 0;

  virtual Node::Ptr dmParent(const DynamicContext* context) const = 0;

  virtual Result dmAttributes(const DynamicContext* context, const LocationInfo *info) const = 0;

  virtual Result dmNamespaceNodes(const DynamicContext* context, const LocationInfo *info) const = 0;

  virtual Result dmChildren(const DynamicContext *context, const LocationInfo *info) const = 0;

  virtual Result getAxisResult(XQStep::Axis axis, const NodeTest *nodeTest, const DynamicContext *context, const LocationInfo *info) const = 0;

  virtual ATBooleanOrDerived::Ptr dmIsId(const DynamicContext* context) const = 0;

  virtual ATBooleanOrDerived::Ptr dmIsIdRefs(const DynamicContext* context) const = 0;

  /* Get the namespace URI for the DOM type */
  virtual const XMLCh* getTypeURI() const = 0;

  /* Get the name of the DOM type  (ie "integer" for xs:integer) */
  virtual const XMLCh* getTypeName() const = 0;

  virtual void generateEvents(EventHandler *events, const DynamicContext *context,
                              bool preserveNS = true, bool preserveType = true) const = 0;

  static const XMLCh document_string[];
  static const XMLCh element_string[];
  static const XMLCh attribute_string[];
  static const XMLCh text_string[];
  static const XMLCh processing_instruction_string[];
  static const XMLCh comment_string[];
  static const XMLCh namespace_string[];
};
#endif

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