XQuilla/include/xqilla/items/Numeric.hpp
2020-02-17 22:22:42 +01:00

191 lines
7.1 KiB
C++

/*
* Copyright (c) 2001, 2008,
* DecisionSoft Limited. All rights reserved.
* Copyright (c) 2004, 2011,
* Oracle and/or its affiliates. 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.
*/
#ifndef __NUMERIC_HPP
#define __NUMERIC_HPP
#include <xercesc/util/XercesDefs.hpp>
#include <xqilla/framework/XQillaExport.hpp>
#include <xqilla/items/AnyAtomicType.hpp>
class DynamicContext;
class StaticContext;
class MAPM;
class XQILLA_API Numeric : public AnyAtomicType
{
public:
typedef RefCountPointer<const Numeric> Ptr;
/* is this type numeric? Return true */
virtual bool isNumericValue() const { return true; };
/* 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 true if the two Numeric values are equal
* false otherwise */
virtual bool equals(const AnyAtomicType::Ptr &target, const DynamicContext* context) const;
/** Returns true if this is less than other, false otherwise */
virtual bool lessThan(const Numeric::Ptr &other, const DynamicContext* context) const;
/** Returns true if this is greater than other, false otherwise */
virtual bool greaterThan(const Numeric::Ptr &other, const DynamicContext* context) const;
/** Returns less than 0 if this is less that other,
0 if they are the same, and greater than 0 otherwise */
virtual int compare(const Numeric::Ptr &other, const DynamicContext *context) const;
/** 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;
/** Returns the squart root of this Numeric */
virtual Numeric::Ptr sqrt(const DynamicContext* context) const = 0;
/** Returns the sin of this Numeric */
virtual Numeric::Ptr sin(const DynamicContext* context) const = 0;
/** Returns the cos root of this Numeric */
virtual Numeric::Ptr cos(const DynamicContext* context) const = 0;
/** Returns the tan of this Numeric */
virtual Numeric::Ptr tan(const DynamicContext* context) const = 0;
/** Returns the asin of this Numeric */
virtual Numeric::Ptr asin(const DynamicContext* context) const = 0;
/** Returns the acos of this Numeric */
virtual Numeric::Ptr acos(const DynamicContext* context) const = 0;
/** Returns the atan of this Numeric */
virtual Numeric::Ptr atan(const DynamicContext* context) const = 0;
/** Returns the ln of this Numeric */
virtual Numeric::Ptr log(const DynamicContext* context) const = 0;
/** Returns the exp of this Numeric */
virtual Numeric::Ptr exp(const DynamicContext* context) const = 0;
/** Returns a Numeric object which is this raised to the power of other */
virtual Numeric::Ptr power(const Numeric::Ptr &other, const DynamicContext* context) const = 0;
/** Does this Numeric have value 0? */
virtual bool isZero() const = 0;
/** Is this Numeric positive? */
virtual bool isPositive() const = 0;
/** Is this Numeric negative? */
virtual bool isNegative() const = 0;
/* Is this floating point value not a number? */
virtual bool isNaN() const = 0;
/* Is this floating point value infinite? */
virtual bool isInfinite() const = 0;
/* Is this floating point value infinite? */
virtual bool isInteger() const;
virtual AnyAtomicType::AtomicObjectType getPrimitiveTypeIndex() const = 0;
virtual const MAPM &asMAPM() const = 0;
virtual double asDouble() const;
virtual int asInt() const;
enum State {
NEG_INF = 0,
NEG_NUM = 1,
NUM = 2,
INF = 3,
NaN = 4
};
virtual State getState() const = 0;
static const XMLCh NaN_string[];
static const XMLCh NAN_string[];
static const XMLCh INF_string[];
static const XMLCh NegINF_string[];
static const XMLCh NegZero_string[];
static const XMLCh PosZero_string[];
static void checkFloatLimits(Numeric::State &state, MAPM &value);
static void checkDoubleLimits(Numeric::State &state, MAPM &value);
static const XMLCh *asDecimalString(const MAPM &value, int significantDigits, const StaticContext* context);
static const XMLCh *asDoubleString(State state, const MAPM &value, int significantDigits, const StaticContext* context);
protected:
virtual AnyAtomicType::Ptr castAsInternal(AtomicObjectType targetIndex, const XMLCh* targetURI,
const XMLCh* targetType, const DynamicContext* context) const;
const XMLCh *asDecimalString(int significantDigits, const StaticContext* context) const;
const XMLCh *asDoubleString(int significantDigits, const StaticContext* context) const;
};
#endif // __NUMERIC_HPP