XQuilla/include/xqilla/items/ATDecimalOrDerived.hpp

/*
 * 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: ATDecimalOrDerived.hpp,v 1.12 2007/02/07 12:13:10 jpcs Exp $
 */

#ifndef _ATDECIMALORDERIVED_HPP
#define _ATDECIMALORDERIVED_HPP

#include <xercesc/util/XercesDefs.hpp>
#include <xqilla/framework/XQillaExport.hpp>
#include <xqilla/items/Numeric.hpp>

class DynamicContext;
class MAPM;
class XQILLA_API ATDecimalOrDerived : public Numeric
{
public:
  typedef RefCountPointer<const ATDecimalOrDerived> Ptr;

  /* Get the name of the primitive type (basic type) of this type
   * (ie "decimal" for xs:decimal) */
  virtual const XMLCh* getPrimitiveTypeName() const = 0;

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

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

  /* returns the XMLCh* (canonical) representation of this type */
  virtual const XMLCh* asString(const DynamicContext* context) const = 0;

  /* Promote this to the given type, if possible */
  virtual Numeric::Ptr promoteTypeIfApplicable(AnyAtomicType::AtomicObjectType typeIndex,
                                               const DynamicContext* context) const = 0;

  /** Returns a Numeric object which is the sum of this and other */
  virtual Numeric::Ptr add(const Numeric::Ptr &other, const DynamicContext* context) const = 0;

  /** Returns a Numeric object which is the difference of this and
   * other */
  virtual Numeric::Ptr subtract(const Numeric::Ptr &other, const DynamicContext* context) const = 0;

  /** Returns a Numeric object which is the product of this and other */
  virtual Numeric::Ptr multiply(const Numeric::Ptr &other, const DynamicContext* context) const = 0;

  /** Returns a Numeric object which is the quotient of this and other */
  virtual Numeric::Ptr divide(const Numeric::Ptr &other, const DynamicContext* context) const = 0;

  /** Returns the arithmetic product of its operands as a Numeric */
  virtual Numeric::Ptr mod(const Numeric::Ptr &other, const DynamicContext* context) const = 0;

  /** Returns the floor of this Numeric */
  virtual Numeric::Ptr floor(const DynamicContext* context) const = 0;

  /** Returns the ceiling of this Numeric */
  virtual Numeric::Ptr ceiling(const DynamicContext* context) const = 0;

  /** Rounds this Numeric */
  virtual Numeric::Ptr round(const DynamicContext* context) const = 0;

  /** Rounds this Numeric to the given precision, and rounds a half to even */
  virtual Numeric::Ptr roundHalfToEven(const Numeric::Ptr &precision, const DynamicContext* context) const = 0;

  /** Returns the Additive inverse of this Numeric */
  virtual Numeric::Ptr invert(const DynamicContext* context) const = 0;

  /** Returns the absolute value of this Numeric */
  virtual Numeric::Ptr abs(const DynamicContext* context) const = 0;

  /** Does this Numeric have value 0? */
  virtual bool isZero() const = 0;

  /** Is this Numeric negative? */
  virtual bool isNegative() const = 0;

  /** Is this Numeric positive? */
  virtual bool isPositive() const = 0;

  /* Is this floating point value not a number? */
  virtual bool isNaN() const { return false; }

  /* Is this floating point value infinite? */
  virtual bool isInfinite() const { return false; }

  /** Treat this decimal (must be integer) as a codepoint **/
  virtual XMLInt32 treatAsCodepoint(const DynamicContext* context) const = 0;

  virtual AnyAtomicType::AtomicObjectType getPrimitiveTypeIndex() const = 0;

  virtual const MAPM &asMAPM() const = 0;

  virtual State getState() const = 0;
};

#endif //  _ATDECIMALORDERIVED_HPP