| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtXmlPatterns module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
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| ** GNU Lesser General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU Lesser |
| ** General Public License version 3 as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| ** packaging of this file. Please review the following information to |
| ** ensure the GNU Lesser General Public License version 3 requirements |
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| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 2.0 or (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
| ** Qt Foundation. The licenses are as published by the Free Software |
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| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
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| ** $QT_END_LICENSE$ |
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| ****************************************************************************/ |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| |
| #ifndef Patternist_AtomicCasters_H |
| #define Patternist_AtomicCasters_H |
| |
| #include <private/qatomiccaster_p.h> |
| #include <private/qdecimal_p.h> |
| #include <private/qderivedinteger_p.h> |
| #include <private/qderivedstring_p.h> |
| #include <private/qinteger_p.h> |
| #include <private/qvalidationerror_p.h> |
| |
| /** |
| * @file |
| * @short Contains classes sub-classing AtomicCaster and which |
| * are responsible of casting an atomic value to another type. |
| */ |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace QPatternist |
| { |
| |
| /** |
| * @short Casts any atomic value to @c xs:string. |
| * |
| * This class uses Item::stringValue() for retrieving a string |
| * representation, and thus supports casting from atomic values |
| * of any type. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| template<TypeOfDerivedString DerivedType> |
| class ToStringCaster : public AtomicCaster |
| { |
| public: |
| virtual Item castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const |
| { |
| Q_ASSERT(from); |
| return DerivedString<DerivedType>::fromLexical(context->namePool(), from.stringValue()); |
| } |
| }; |
| |
| /** |
| * @short Casts any atomic value to @c xs:untypedAtomic. |
| * |
| * This class uses Item::stringValue() for retrieving a string |
| * representation, and thus supports casting from atomic values |
| * of any type. The implementation is similar to ToStringCaster. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class ToUntypedAtomicCaster : public AtomicCaster |
| { |
| public: |
| virtual Item castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Casts a string value to @c xs:anyURI. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class ToAnyURICaster : public AtomicCaster |
| { |
| public: |
| virtual Item castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Casts a @c xs:hexBinary atomic value to @c xs:base64Binary. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class HexBinaryToBase64BinaryCaster : public AtomicCaster |
| { |
| public: |
| virtual Item castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Casts a @c xs:base64Binary atomic value to @c xs:hexBinary. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class Base64BinaryToHexBinaryCaster : public AtomicCaster |
| { |
| public: |
| virtual Item castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Casts a @c xs:string or @c xs:untypedAtomic atomic value to @c xs:base64Binary. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class StringToBase64BinaryCaster : public AtomicCaster |
| { |
| public: |
| virtual Item castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Casts a @c xs:string or @c xs:untypedAtomic atomic value to @c xs:hexBinary. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class StringToHexBinaryCaster : public AtomicCaster |
| { |
| public: |
| virtual Item castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Casts any @c numeric value to @c xs:boolean. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class NumericToBooleanCaster : public AtomicCaster |
| { |
| public: |
| virtual Item castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Casts any string value, @c xs:string or @c xs:untypedAtomic, to @c xs:boolean. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class StringToBooleanCaster : public AtomicCaster |
| { |
| public: |
| virtual Item castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Casts a @c numeric value, such as @c xs:double or @c xs:decimal, to @c xs:integer or |
| * @c xs:decimal, depending on IsInteger. |
| * |
| * castFrom() uses Numeric::toInteger() for doing the actual casting. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| template <const bool IsInteger> |
| class NumericToDecimalCaster : public AtomicCaster |
| { |
| public: |
| /** |
| * Used by NumericToDerivedIntegerCaster in addition to this class. |
| */ |
| static inline QString errorMessage() |
| { |
| return QtXmlPatterns::tr("When casting to %1 from %2, the source value cannot be %3."); |
| } |
| |
| virtual Item castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const |
| { |
| const ItemType::Ptr t(from.type()); |
| const Numeric *const num = from.template as<Numeric>(); |
| |
| if(BuiltinTypes::xsDouble->xdtTypeMatches(t) || BuiltinTypes::xsFloat->xdtTypeMatches(t)) |
| { |
| if(num->isInf() || num->isNaN()) |
| { |
| return ValidationError::createError(errorMessage() |
| .arg(formatType(context->namePool(), IsInteger ? BuiltinTypes::xsInteger : BuiltinTypes::xsDecimal)) |
| .arg(formatType(context->namePool(), t)) |
| .arg(formatData(num->stringValue())), |
| ReportContext::FOCA0002); |
| } |
| } |
| |
| if(IsInteger) |
| return Integer::fromValue(num->toInteger()); |
| else |
| return toItem(Decimal::fromValue(num->toDecimal())); |
| } |
| }; |
| |
| /** |
| * @short Casts a string value, @c xs:string or @c xs:untypedAtomic, to @c xs:decimal. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class StringToDecimalCaster : public AtomicCaster |
| { |
| public: |
| virtual Item castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Casts a string value, @c xs:string or @c xs:untypedAtomic, to @c xs:integer. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class StringToIntegerCaster : public AtomicCaster |
| { |
| public: |
| virtual Item castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Casts a value of type @c xs:boolean to @c xs:decimal. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class BooleanToDecimalCaster : public AtomicCaster |
| { |
| public: |
| virtual Item castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Casts a value of type @c xs:boolean to @c xs:integer. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class BooleanToIntegerCaster : public AtomicCaster |
| { |
| public: |
| virtual Item castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Casts a value to itself. Essentially, this AtomicCaster does nothing. |
| * |
| * Casting a value to the type of itself is defined to be a noop, |
| * no operation. When it can be statically detected that will be done, |
| * CastAs rewrites itself appropriately during compilation, but |
| * in some cases insufficent data is available at compile time and then |
| * is this class need on a case-per-case base at evaluation time. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class SelfToSelfCaster : public AtomicCaster |
| { |
| public: |
| |
| /** |
| * This function simply returns @p from. |
| */ |
| virtual Item castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Casts a @c xs:string or @c xs:untypedAtomic atomic value to @c xs:gYear. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class StringToGYearCaster : public AtomicCaster |
| { |
| public: |
| virtual Item castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Casts a @c xs:string or @c xs:untypedAtomic atomic value to @c xs:gDay. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class StringToGDayCaster : public AtomicCaster |
| { |
| public: |
| virtual Item castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Casts a @c xs:string or @c xs:untypedAtomic atomic value to @c xs:gMonth. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class StringToGMonthCaster : public AtomicCaster |
| { |
| public: |
| virtual Item castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Casts a @c xs:string or @c xs:untypedAtomic atomic value to @c xs:gYearMonth. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class StringToGYearMonthCaster : public AtomicCaster |
| { |
| public: |
| virtual Item castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Casts a @c xs:string or @c xs:untypedAtomic atomic value to @c xs:gYearMonth. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class StringToGMonthDayCaster : public AtomicCaster |
| { |
| public: |
| virtual Item castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Casts a @c xs:string or @c xs:untypedAtomic atomic value to @c xs:dateTime. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class StringToDateTimeCaster : public AtomicCaster |
| { |
| public: |
| virtual Item castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Casts a @c xs:string or @c xs:untypedAtomic atomic value to @c xs:time. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class StringToTimeCaster : public AtomicCaster |
| { |
| public: |
| virtual Item castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Casts a @c xs:string or @c xs:untypedAtomic atomic value to @c xs:date. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class StringToDateCaster : public AtomicCaster |
| { |
| public: |
| virtual Item castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Casts a @c xs:string or @c xs:untypedAtomic atomic value to @c xs:duration. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class StringToDurationCaster : public AtomicCaster |
| { |
| public: |
| virtual Item castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Casts a @c xs:string or @c xs:untypedAtomic atomic value to @c xs:dayTimeDuration. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class StringToDayTimeDurationCaster : public AtomicCaster |
| { |
| public: |
| virtual Item castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Casts a @c xs:string or @c xs:untypedAtomic atomic value to @c xs:yearMonthDuration. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class StringToYearMonthDurationCaster : public AtomicCaster |
| { |
| public: |
| virtual Item castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| |
| /** |
| * @short Casts a @c xs:date or @c xs:dateTime atomic value to @c xs:gYear. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class AbstractDateTimeToGYearCaster : public AtomicCaster |
| { |
| public: |
| virtual Item castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Casts a @c xs:date or @c xs:dateTime atomic value to @c xs:gYearMonth. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class AbstractDateTimeToGYearMonthCaster : public AtomicCaster |
| { |
| public: |
| virtual Item castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Casts a @c xs:date or @c xs:dateTime atomic value to @c xs:gMonth. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class AbstractDateTimeToGMonthCaster : public AtomicCaster |
| { |
| public: |
| virtual Item castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Casts a @c xs:date or @c xs:dateTime atomic value to @c xs:gMonthDay. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class AbstractDateTimeToGMonthDayCaster : public AtomicCaster |
| { |
| public: |
| virtual Item castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Casts a @c xs:date or @c xs:dateTime atomic value to @c xs:gDay. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class AbstractDateTimeToGDayCaster : public AtomicCaster |
| { |
| public: |
| virtual Item castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Casts an AbstractDateTime instance to DateTime. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class AbstractDateTimeToDateTimeCaster : public AtomicCaster |
| { |
| public: |
| virtual Item castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Casts an AbstractDateTime instance to SchemaTime. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class AbstractDateTimeToDateCaster : public AtomicCaster |
| { |
| public: |
| virtual Item castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Casts an AbstractDateTime instance to SchemaTime. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class AbstractDateTimeToTimeCaster : public AtomicCaster |
| { |
| public: |
| virtual Item castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Casts an AbstractDuration instance to Duration. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class AbstractDurationToDurationCaster : public AtomicCaster |
| { |
| public: |
| virtual Item castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Casts an AbstractDuration instance to DayTimeDuration. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class AbstractDurationToDayTimeDurationCaster : public AtomicCaster |
| { |
| public: |
| virtual Item castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Casts an AbstractDuration instance to YearMonthDuration. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class AbstractDurationToYearMonthDurationCaster : public AtomicCaster |
| { |
| public: |
| virtual Item castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Casts an @c xs:string instance to a derived type of @c xs:integer. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| template<TypeOfDerivedInteger type> |
| class StringToDerivedIntegerCaster : public AtomicCaster |
| { |
| public: |
| virtual Item |
| castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const |
| { |
| return DerivedInteger<type>::fromLexical(context->namePool(), from.stringValue()); |
| } |
| }; |
| |
| /** |
| * @short Casts an @c xs:boolean instance to a derived type of @c xs:integer. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| template<TypeOfDerivedInteger type> |
| class BooleanToDerivedIntegerCaster : public AtomicCaster |
| { |
| public: |
| virtual Item |
| castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const |
| { |
| return DerivedInteger<type>::fromValue(context->namePool(), from.template as<AtomicValue>()->evaluateEBV(context) ? 1 : 0); |
| } |
| }; |
| |
| /** |
| * @short Casts an @c xs:boolean instance to a derived type of @c xs:integer. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| template<TypeOfDerivedString type> |
| class AnyToDerivedStringCaster : public AtomicCaster |
| { |
| public: |
| virtual Item |
| castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const |
| { |
| return DerivedString<type>::fromLexical(context->namePool(), from.stringValue()); |
| } |
| }; |
| |
| /** |
| * @short Casts any @c numeric instance to a derived type of @c xs:integer. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| template<TypeOfDerivedInteger type> |
| class NumericToDerivedIntegerCaster : public AtomicCaster |
| { |
| public: |
| virtual Item |
| castFrom(const Item &from, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const |
| { |
| const ItemType::Ptr t(from.type()); |
| const Numeric *const num = from.template as<Numeric>(); |
| |
| if(BuiltinTypes::xsDouble->xdtTypeMatches(t) || BuiltinTypes::xsFloat->xdtTypeMatches(t)) |
| { |
| if(num->isInf() || num->isNaN()) |
| { |
| return ValidationError::createError(NumericToDecimalCaster<false>::errorMessage() |
| .arg(formatType(context->namePool(), DerivedInteger<type>::itemType())) |
| .arg(formatType(context->namePool(), t)) |
| .arg(formatData(num->stringValue())), |
| ReportContext::FOCA0002); |
| } |
| } |
| |
| return toItem(DerivedInteger<type>::fromValue(context->namePool(), from.template as<Numeric>()->toInteger())); |
| } |
| }; |
| } |
| |
| QT_END_NAMESPACE |
| |
| #endif |