DynamicContext.hpp

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/*
 * Copyright (c) 2001-2006
 *     DecisionSoft Limited. All rights reserved.
 * Copyright (c) 2004-2006
 *     Progress Software Corporation. All rights reserved.
 * Copyright (c) 2004-2006
 *     Oracle. All rights reserved.
 *
 * See the file LICENSE for redistribution information.
 *
 * $Id: DynamicContext.hpp,v 1.15 2006/11/01 16:37:11 jpcs Exp $
 */

#ifndef _DYNAMICCONTEXT_HPP
#define _DYNAMICCONTEXT_HPP

#include <xqilla/context/StaticContext.hpp>
#include <xqilla/context/XQDebugCallback.hpp>
#include <xqilla/items/ATDurationOrDerived.hpp>

class Sequence;
class Item;
class URIResolver;
class VariableStore;
class ItemFactory;

class XQILLA_API DynamicContext : public StaticContext
{
public:
  virtual ~DynamicContext() {};

  virtual void incrementDocumentRefCount(const XERCES_CPP_NAMESPACE_QUALIFIER DOMDocument* document) const = 0;
  virtual void decrementDocumentRefCount(const XERCES_CPP_NAMESPACE_QUALIFIER DOMDocument* document) const = 0;

  virtual void clearDynamicContext() = 0;

  virtual Item::Ptr getContextItem() const = 0;
  virtual void setContextItem(const Item::Ptr &item) = 0;
  virtual void setExternalContextNode(const XERCES_CPP_NAMESPACE_QUALIFIER DOMNode *node) = 0;

  virtual unsigned int getContextPosition() const = 0;
  virtual void setContextPosition(unsigned int pos) = 0;

  virtual unsigned int getContextSize() const = 0;
  virtual void setContextSize(unsigned int size) = 0;
  
  virtual VariableStore* getVariableStore() = 0;

  virtual time_t getCurrentTime() const = 0;
  virtual void setCurrentTime(time_t newTime) = 0;

  virtual ATDurationOrDerived::Ptr getImplicitTimezone() const = 0;
  virtual void setImplicitTimezone(const ATDurationOrDerived::Ptr &timezoneAsDuration) = 0;

  virtual void registerURIResolver(URIResolver *resolver) = 0;
  /* Resolve the given uri (and baseUri) to a DOMDocument. If the uri
     is relative, the base uri is obtained from the context. */
  virtual Sequence resolveDocument(const XMLCh* uri, const LocationInfo *location) = 0;
  /* Resolve the given uri (and baseUri) to a ist of DOMNode objects. If the uri
     is relative, the base uri is obtained from the context. */
  virtual Sequence resolveCollection(const XMLCh* uri, const LocationInfo *location) = 0;
  virtual Sequence resolveDefaultCollection() = 0;
  virtual Node::Ptr validate(const Node::Ptr &node, DocumentCache::ValidationMode valMode) = 0;

  virtual void trace(const XMLCh* message1, const XMLCh* message2) = 0;

  virtual void setDebugCallback(XQDebugCallback* callback) = 0;
  virtual XQDebugCallback* getDebugCallback() const = 0;

  virtual void testInterrupt() const {} 
};

#endif

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