StaticResolutionContext.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: StaticResolutionContext.hpp,v 1.15 2006/11/01 16:37:11 jpcs Exp $
 */

#ifndef _STATICRESOLUTIONCONTEXT_HPP
#define _STATICRESOLUTIONCONTEXT_HPP

#include <string>

#include <xqilla/framework/XQillaExport.hpp>
#include <xqilla/ast/StaticType.hpp>

#include <xercesc/util/RefHash2KeysTableOf.hpp>
#include <xercesc/util/StringPool.hpp>

#include <vector>

class XPath2MemoryManager;

typedef XERCES_CPP_NAMESPACE_QUALIFIER RefHash2KeysTableOf<int> VariableAccessSet;
typedef XERCES_CPP_NAMESPACE_QUALIFIER RefHash2KeysTableOfEnumerator<int> VariableAccessSetEnumerator;

class XQILLA_API StaticResolutionContext
{
public:
  StaticResolutionContext(XPath2MemoryManager* memMgr);
  StaticResolutionContext(const StaticResolutionContext &o, XPath2MemoryManager* memMgr);

  void copy(const StaticResolutionContext &o);

  void clear();

  void forceNoFolding(bool value);
  bool isNoFoldingForced() const;

  void contextItemUsed(bool value);
  void contextPositionUsed(bool value);
  void contextSizeUsed(bool value);
  bool isContextItemUsed() const;
  bool isContextPositionUsed() const;
  bool isContextSizeUsed() const;
  bool areContextFlagsUsed() const;

  void currentTimeUsed(bool value);
  void implicitTimezoneUsed(bool value);
  bool areContextTimeUsed() const;
  void availableDocumentsUsed(bool value);
  void availableCollectionsUsed(bool value);
  bool areDocsOrCollectionsUsed() const;

  void variableUsed(const XMLCh *namespaceURI, const XMLCh *name);
  bool removeVariable(const XMLCh *namespaceURI, const XMLCh *name);
  bool isVariableUsed(const XMLCh *namespaceURI, const XMLCh *name) const;
  std::vector<std::pair<const XMLCh*, const XMLCh*> > variablesUsed() const;

  void add(const StaticResolutionContext &o);
  void addExceptContextFlags(const StaticResolutionContext &o);

  bool isUsed() const;
  bool isUsedExceptContextFlags() const;

  void creative(bool value);
  bool isCreative() const;

  enum Properties {
    DOCORDER     = 0x001, 
    PEER         = 0x002, 
    SUBTREE      = 0x004, 
    GROUPED      = 0x008, 
    SAMEDOC      = 0x010, 
    ONENODE      = 0x020, 
    SELF         = 0x040, 
    FORWARDREF   = 0x080, 
    UNDEFINEDVAR = 0x100  
  };

  unsigned int getProperties() const;
  void setProperties(unsigned int props);

  const StaticType &getStaticType() const;
  StaticType &getStaticType();

  std::string toString() const;

private:
  StaticResolutionContext(const StaticResolutionContext &o);
  StaticResolutionContext &operator=(const StaticResolutionContext &o);

  bool _contextItem;
  bool _contextPosition;
  bool _contextSize;
  bool _currentTime;
  bool _implicitTimezone;
  bool _availableDocuments;
  bool _availableCollections;
  bool _forceNoFolding;
  bool _creative;

  unsigned int _properties;
  StaticType _staticType;

  VariableAccessSet _dynamicVariables;
  XERCES_CPP_NAMESPACE_QUALIFIER XMLStringPool _uriPool;
  XPath2MemoryManager* _memMgr;
};

#endif

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