191 lines
7.1 KiB
C++
191 lines
7.1 KiB
C++
/*
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* Copyright (c) 2001, 2008,
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* DecisionSoft Limited. All rights reserved.
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* Copyright (c) 2004, 2011,
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* Oracle and/or its affiliates. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __NUMERIC_HPP
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#define __NUMERIC_HPP
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#include <xercesc/util/XercesDefs.hpp>
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#include <xqilla/framework/XQillaExport.hpp>
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#include <xqilla/items/AnyAtomicType.hpp>
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class DynamicContext;
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class StaticContext;
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class MAPM;
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class XQILLA_API Numeric : public AnyAtomicType
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{
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public:
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typedef RefCountPointer<const Numeric> Ptr;
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/* is this type numeric? Return true */
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virtual bool isNumericValue() const { return true; };
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/* Get the name of the primitive type (basic type) of this type
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* (ie "decimal" for xs:decimal) */
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virtual const XMLCh* getPrimitiveTypeName() const = 0;
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/* Get the namespace URI for this type */
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virtual const XMLCh* getTypeURI() const = 0;
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/* Get the name of this type (ie "integer" for xs:integer) */
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virtual const XMLCh* getTypeName() const = 0;
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/* returns the XMLCh* (canonical) representation of this type */
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virtual const XMLCh* asString(const DynamicContext* context) const = 0;
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/* Promote this to the given type, if possible */
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virtual Numeric::Ptr promoteTypeIfApplicable(AnyAtomicType::AtomicObjectType typeIndex,
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const DynamicContext* context) const = 0;
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/* returns true if the two Numeric values are equal
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* false otherwise */
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virtual bool equals(const AnyAtomicType::Ptr &target, const DynamicContext* context) const;
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/** Returns true if this is less than other, false otherwise */
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virtual bool lessThan(const Numeric::Ptr &other, const DynamicContext* context) const;
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/** Returns true if this is greater than other, false otherwise */
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virtual bool greaterThan(const Numeric::Ptr &other, const DynamicContext* context) const;
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/** Returns less than 0 if this is less that other,
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0 if they are the same, and greater than 0 otherwise */
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virtual int compare(const Numeric::Ptr &other, const DynamicContext *context) const;
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/** Returns a Numeric object which is the sum of this and other */
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virtual Numeric::Ptr add(const Numeric::Ptr &other, const DynamicContext* context) const = 0;
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/** Returns a Numeric object which is the difference of this and
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* other */
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virtual Numeric::Ptr subtract(const Numeric::Ptr &other, const DynamicContext* context) const = 0;
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/** Returns a Numeric object which is the product of this and other */
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virtual Numeric::Ptr multiply(const Numeric::Ptr &other, const DynamicContext* context) const = 0;
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/** Returns a Numeric object which is the quotient of this and other */
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virtual Numeric::Ptr divide(const Numeric::Ptr &other, const DynamicContext* context) const = 0;
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/** Returns the arithmetic product of its operands as a Numeric */
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virtual Numeric::Ptr mod(const Numeric::Ptr &other, const DynamicContext* context) const = 0;
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/** Returns the floor of this Numeric */
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virtual Numeric::Ptr floor(const DynamicContext* context) const = 0;
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/** Returns the ceiling of this Numeric */
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virtual Numeric::Ptr ceiling(const DynamicContext* context) const = 0;
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/** Rounds this Numeric */
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virtual Numeric::Ptr round(const DynamicContext* context) const = 0;
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/** Rounds this Numeric to the given precision, and rounds a half to even */
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virtual Numeric::Ptr roundHalfToEven(const Numeric::Ptr &precision, const DynamicContext* context) const = 0;
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/** Returns the Additive inverse of this Numeric */
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virtual Numeric::Ptr invert(const DynamicContext* context) const = 0;
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/** Returns the absolute value of this Numeric */
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virtual Numeric::Ptr abs(const DynamicContext* context) const = 0;
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/** Returns the squart root of this Numeric */
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virtual Numeric::Ptr sqrt(const DynamicContext* context) const = 0;
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/** Returns the sin of this Numeric */
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virtual Numeric::Ptr sin(const DynamicContext* context) const = 0;
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/** Returns the cos root of this Numeric */
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virtual Numeric::Ptr cos(const DynamicContext* context) const = 0;
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/** Returns the tan of this Numeric */
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virtual Numeric::Ptr tan(const DynamicContext* context) const = 0;
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/** Returns the asin of this Numeric */
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virtual Numeric::Ptr asin(const DynamicContext* context) const = 0;
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/** Returns the acos of this Numeric */
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virtual Numeric::Ptr acos(const DynamicContext* context) const = 0;
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/** Returns the atan of this Numeric */
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virtual Numeric::Ptr atan(const DynamicContext* context) const = 0;
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/** Returns the ln of this Numeric */
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virtual Numeric::Ptr log(const DynamicContext* context) const = 0;
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/** Returns the exp of this Numeric */
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virtual Numeric::Ptr exp(const DynamicContext* context) const = 0;
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/** Returns a Numeric object which is this raised to the power of other */
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virtual Numeric::Ptr power(const Numeric::Ptr &other, const DynamicContext* context) const = 0;
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/** Does this Numeric have value 0? */
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virtual bool isZero() const = 0;
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/** Is this Numeric positive? */
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virtual bool isPositive() const = 0;
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/** Is this Numeric negative? */
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virtual bool isNegative() const = 0;
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/* Is this floating point value not a number? */
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virtual bool isNaN() const = 0;
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/* Is this floating point value infinite? */
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virtual bool isInfinite() const = 0;
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/* Is this floating point value infinite? */
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virtual bool isInteger() const;
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virtual AnyAtomicType::AtomicObjectType getPrimitiveTypeIndex() const = 0;
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virtual const MAPM &asMAPM() const = 0;
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virtual double asDouble() const;
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virtual int asInt() const;
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enum State {
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NEG_INF = 0,
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NEG_NUM = 1,
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NUM = 2,
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INF = 3,
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NaN = 4
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};
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virtual State getState() const = 0;
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static const XMLCh NaN_string[];
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static const XMLCh NAN_string[];
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static const XMLCh INF_string[];
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static const XMLCh NegINF_string[];
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static const XMLCh NegZero_string[];
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static const XMLCh PosZero_string[];
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static void checkFloatLimits(Numeric::State &state, MAPM &value);
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static void checkDoubleLimits(Numeric::State &state, MAPM &value);
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static const XMLCh *asDecimalString(const MAPM &value, int significantDigits, const StaticContext* context);
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static const XMLCh *asDoubleString(State state, const MAPM &value, int significantDigits, const StaticContext* context);
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protected:
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virtual AnyAtomicType::Ptr castAsInternal(AtomicObjectType targetIndex, const XMLCh* targetURI,
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const XMLCh* targetType, const DynamicContext* context) const;
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const XMLCh *asDecimalString(int significantDigits, const StaticContext* context) const;
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const XMLCh *asDoubleString(int significantDigits, const StaticContext* context) const;
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};
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#endif // __NUMERIC_HPP
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