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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 "qatomiccaster_p.h"
#include "qdecimal_p.h"
#include "qderivedinteger_p.h"
#include "qderivedstring_p.h"
#include "qinteger_p.h"
#include "qvalidationerror_p.h"
/**
* @file
* @short Contains classes sub-classing AtomicCaster and which
* are responsible of casting an atomic value to another type.
*/
QT_BEGIN_HEADER
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
QT_END_HEADER
#endif