Initial import from the monolithic Qt.

This is the beginning of revision history for this module. If you
want to look at revision history older than this, please refer to the
Qt Git wiki for how to use Git history grafting. At the time of
writing, this wiki is located here:

http://qt.gitorious.org/qt/pages/GitIntroductionWithQt

If you have already performed the grafting and you don't see any
history beyond this commit, try running "git log" with the "--follow"
argument.

Branched from the monolithic repo, Qt master branch, at commit
896db169ea224deb96c59ce8af800d019de63f12

1 files changed, 624 insertions, 0 deletions

diff --git a/src/xmlpatterns/data/qderivedinteger_p.h b/src/xmlpatterns/data/qderivedinteger_p.h
new file mode 100644
index 0000000..0ef5b51
--- /dev/null
+++ b/src/xmlpatterns/data/qderivedinteger_p.h
@@ -0,0 +1,624 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtXmlPatterns module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//
+//  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_DerivedInteger_H
+#define Patternist_DerivedInteger_H
+
+#include "qbuiltintypes_p.h"
+#include "qinteger_p.h"
+#include "qpatternistlocale_p.h"
+#include "qvalidationerror_p.h"
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+namespace QPatternist
+{
+    /**
+     * @relates DerivedInteger
+     */
+    enum DerivedIntegerLimitsUsage
+    {
+        None            = 1,
+        LimitUpwards    = 2,
+        LimitDownwards  = 4,
+        LimitBoth       = LimitUpwards | LimitDownwards
+    };
+
+    enum
+    {
+        IgnorableSignedValue = 0,
+        IgnorableUnsignedValue = 0
+    };
+
+    template<TypeOfDerivedInteger DerivedType> class DerivedInteger;
+
+    template<TypeOfDerivedInteger DerivedType> class DerivedIntegerDetails;
+
+    template<>
+    class DerivedIntegerDetails<TypeByte>
+    {
+    private:
+        friend class DerivedInteger<TypeByte>;
+        typedef qint8                           StorageType;
+        typedef xsInteger                       TemporaryStorageType;
+        static const StorageType                maxInclusive = 127;
+        static const StorageType                minInclusive = -128;
+        static const DerivedIntegerLimitsUsage  limitsUsage = LimitBoth;
+
+        /**
+         * Disable the default constructor.
+         */
+        DerivedIntegerDetails() {}
+
+        Q_DISABLE_COPY(DerivedIntegerDetails)
+    };
+
+    template<>
+    class DerivedIntegerDetails<TypeInt>
+    {
+    private:
+        friend class DerivedInteger<TypeInt>;
+        typedef qint32                          StorageType;
+        typedef xsInteger                       TemporaryStorageType;
+        static const StorageType                maxInclusive = Q_INT64_C(2147483647);
+        static const StorageType                minInclusive = Q_INT64_C(-2147483648);
+        static const DerivedIntegerLimitsUsage  limitsUsage = LimitBoth;
+
+        /**
+         * Disable the default constructor.
+         */
+        DerivedIntegerDetails() {}
+
+        Q_DISABLE_COPY(DerivedIntegerDetails)
+    };
+
+    template<>
+    class DerivedIntegerDetails<TypeLong>
+    {
+    private:
+        friend class DerivedInteger<TypeLong>;
+        typedef qint64                          StorageType;
+        typedef StorageType                     TemporaryStorageType;
+        static const StorageType                maxInclusive = Q_INT64_C(9223372036854775807);
+
+        /**
+         * This messy arithmetic expression ensures that we don't get a warning
+         * on neither GCC nor MSVC.
+         */
+        static const StorageType                minInclusive = -(Q_INT64_C(9223372036854775807)) - 1;
+
+        static const DerivedIntegerLimitsUsage  limitsUsage = LimitBoth;
+
+        /**
+         * Disable the default constructor.
+         */
+        DerivedIntegerDetails() {}
+
+        Q_DISABLE_COPY(DerivedIntegerDetails)
+    };
+
+    template<>
+    class DerivedIntegerDetails<TypeNegativeInteger>
+    {
+    private:
+        friend class DerivedInteger<TypeNegativeInteger>;
+        typedef xsInteger                       StorageType;
+        typedef StorageType                     TemporaryStorageType;
+        static const StorageType                maxInclusive = -1;
+        static const StorageType                minInclusive = IgnorableSignedValue;
+        static const DerivedIntegerLimitsUsage  limitsUsage = LimitUpwards;
+
+        /**
+         * Disable the default constructor.
+         */
+        DerivedIntegerDetails() {}
+
+        Q_DISABLE_COPY(DerivedIntegerDetails)
+    };
+
+    template<>
+    class DerivedIntegerDetails<TypeNonNegativeInteger>
+    {
+    private:
+        friend class DerivedInteger<TypeNonNegativeInteger>;
+        typedef xsInteger                       StorageType;
+        typedef StorageType                     TemporaryStorageType;
+        static const StorageType                maxInclusive = IgnorableSignedValue;
+        static const StorageType                minInclusive = 0;
+        static const DerivedIntegerLimitsUsage  limitsUsage = LimitDownwards;
+
+        /**
+         * Disable the default constructor.
+         */
+        DerivedIntegerDetails() {}
+
+        Q_DISABLE_COPY(DerivedIntegerDetails)
+    };
+
+    template<>
+    class DerivedIntegerDetails<TypeNonPositiveInteger>
+    {
+    private:
+        friend class DerivedInteger<TypeNonPositiveInteger>;
+        typedef xsInteger                       StorageType;
+        typedef StorageType                     TemporaryStorageType;
+        static const StorageType                maxInclusive = 0;
+        static const StorageType                minInclusive = IgnorableSignedValue;
+        static const DerivedIntegerLimitsUsage  limitsUsage = LimitUpwards;
+
+        /**
+         * Disable the default constructor.
+         */
+        DerivedIntegerDetails() {}
+
+        Q_DISABLE_COPY(DerivedIntegerDetails)
+    };
+
+    template<>
+    class DerivedIntegerDetails<TypePositiveInteger>
+    {
+    private:
+        friend class DerivedInteger<TypePositiveInteger>;
+        typedef xsInteger                       StorageType;
+        typedef StorageType                     TemporaryStorageType;
+        static const StorageType                maxInclusive = IgnorableSignedValue;
+        static const StorageType                minInclusive = 1;
+        static const DerivedIntegerLimitsUsage  limitsUsage = LimitDownwards;
+
+        /**
+         * Disable the default constructor.
+         */
+        DerivedIntegerDetails() {}
+
+        Q_DISABLE_COPY(DerivedIntegerDetails)
+    };
+
+    template<>
+    class DerivedIntegerDetails<TypeShort>
+    {
+    private:
+        friend class DerivedInteger<TypeShort>;
+        typedef qint16                          StorageType;
+        typedef xsInteger                       TemporaryStorageType;
+        static const StorageType                maxInclusive = 32767;
+        static const StorageType                minInclusive = -32768;
+        static const DerivedIntegerLimitsUsage  limitsUsage = LimitBoth;
+
+        /**
+         * Disable the default constructor.
+         */
+        DerivedIntegerDetails() {}
+
+        Q_DISABLE_COPY(DerivedIntegerDetails)
+    };
+
+    template<>
+    class DerivedIntegerDetails<TypeUnsignedByte>
+    {
+    private:
+        friend class DerivedInteger<TypeUnsignedByte>;
+        typedef quint8                          StorageType;
+        typedef qint64                          TemporaryStorageType;
+        static const StorageType                maxInclusive = 255;
+        static const StorageType                minInclusive = 0;
+        static const DerivedIntegerLimitsUsage  limitsUsage = LimitBoth;
+
+        /**
+         * Disable the default constructor.
+         */
+        DerivedIntegerDetails() {}
+
+        Q_DISABLE_COPY(DerivedIntegerDetails)
+    };
+
+    template<>
+    class DerivedIntegerDetails<TypeUnsignedInt>
+    {
+    private:
+        friend class DerivedInteger<TypeUnsignedInt>;
+        typedef quint32                         StorageType;
+        typedef qint64                          TemporaryStorageType;
+        static const StorageType                maxInclusive = Q_UINT64_C(4294967295);
+        static const StorageType                minInclusive = 0;
+        static const DerivedIntegerLimitsUsage  limitsUsage = LimitBoth;
+
+        /**
+         * Disable the default constructor.
+         */
+        DerivedIntegerDetails() {}
+
+        Q_DISABLE_COPY(DerivedIntegerDetails)
+    };
+
+    template<>
+    class DerivedIntegerDetails<TypeUnsignedLong>
+    {
+    private:
+        friend class DerivedInteger<TypeUnsignedLong>;
+        typedef quint64                         StorageType;
+        typedef StorageType                     TemporaryStorageType;
+        static const StorageType                maxInclusive = Q_UINT64_C(18446744073709551615);
+        static const StorageType                minInclusive = 0;
+        static const DerivedIntegerLimitsUsage  limitsUsage = LimitBoth;
+
+        /**
+         * Disable the default constructor.
+         */
+        DerivedIntegerDetails() {}
+
+        Q_DISABLE_COPY(DerivedIntegerDetails)
+    };
+
+    template<>
+    class DerivedIntegerDetails<TypeUnsignedShort>
+    {
+    private:
+        friend class DerivedInteger<TypeUnsignedShort>;
+        typedef quint16                         StorageType;
+        typedef qint64                          TemporaryStorageType;
+        static const StorageType                maxInclusive = 65535;
+        static const StorageType                minInclusive = 0;
+        static const DerivedIntegerLimitsUsage  limitsUsage = LimitBoth;
+
+        /**
+         * Disable the default constructor.
+         */
+        DerivedIntegerDetails() {}
+
+        Q_DISABLE_COPY(DerivedIntegerDetails)
+    };
+
+    /**
+     * @short Represents instances of derived @c xs:integer types, such as @c
+     * xs:byte.
+     *
+     * @author Frans Englich <frans.englich@nokia.com>
+     * @ingroup Patternist_xdm
+     */
+    template<TypeOfDerivedInteger DerivedType>
+    class DerivedInteger : public Numeric
+    {
+    private:
+        typedef typename DerivedIntegerDetails<DerivedType>::StorageType StorageType;
+        typedef typename DerivedIntegerDetails<DerivedType>::TemporaryStorageType TemporaryStorageType;
+
+        static const StorageType                maxInclusive        = DerivedIntegerDetails<DerivedType>::maxInclusive;
+        static const StorageType                minInclusive        = DerivedIntegerDetails<DerivedType>::minInclusive;
+        static const DerivedIntegerLimitsUsage  limitsUsage         = DerivedIntegerDetails<DerivedType>::limitsUsage;
+
+        const StorageType m_value;
+
+        inline DerivedInteger(const StorageType num) : m_value(num)
+        {
+        }
+
+        /**
+         * By refactoring out the simple comparison below into a template
+         * function, we avoid the warning "warning: comparison of unsigned expression < 0 is always false" with gcc
+         * when the class is instantiated with TypeUnsignedLong. The warning is
+         * a false positive since we check wehther LimitUpwards is set before
+         * instantiating.
+         *
+         * This template function exists for no other reason. */
+        template<typename A, typename B>
+        static bool lessThan(const A &a, const B &b)
+        {
+            return a < b;
+        }
+
+        /**
+         * This function exists for the same reason that lessThan() do.
+         */
+        template<typename A, typename B>
+        static bool largerOrEqual(const A &a, const B &b)
+        {
+            return qint64(a) >= b;
+        }
+
+    public:
+
+        static ItemType::Ptr itemType()
+        {
+            switch(DerivedType)
+            {
+                case TypeByte:                  return BuiltinTypes::xsByte;
+                case TypeInt:                   return BuiltinTypes::xsInt;
+                case TypeLong:                  return BuiltinTypes::xsLong;
+                case TypeNegativeInteger:       return BuiltinTypes::xsNegativeInteger;
+                case TypeNonNegativeInteger:    return BuiltinTypes::xsNonNegativeInteger;
+                case TypeNonPositiveInteger:    return BuiltinTypes::xsNonPositiveInteger;
+                case TypePositiveInteger:       return BuiltinTypes::xsPositiveInteger;
+                case TypeShort:                 return BuiltinTypes::xsShort;
+                case TypeUnsignedByte:          return BuiltinTypes::xsUnsignedByte;
+                case TypeUnsignedInt:           return BuiltinTypes::xsUnsignedInt;
+                case TypeUnsignedLong:          return BuiltinTypes::xsUnsignedLong;
+                case TypeUnsignedShort:         return BuiltinTypes::xsUnsignedShort;
+            }
+
+            Q_ASSERT(false);
+            return ItemType::Ptr();
+        }
+
+        static AtomicValue::Ptr fromValue(const NamePool::Ptr &np, const TemporaryStorageType num)
+        {
+            /* If we use minInclusive when calling lessThan(), we for some
+             * reason get a linker error with GCC. Using this temporary
+             * variable solves it. */
+            const StorageType minimum = minInclusive;
+
+            if((limitsUsage & LimitUpwards) &&
+               num > maxInclusive)
+            {
+                return ValidationError::createError(QtXmlPatterns::tr(
+                    "Value %1 of type %2 exceeds maximum (%3).")
+                    .arg(QPatternist::formatData(static_cast<xsInteger>(num)))
+                    .arg(formatType(np, itemType()))
+                    .arg(QPatternist::formatData(static_cast<xsInteger>(maxInclusive))));
+            }
+            else if((limitsUsage & LimitDownwards) &&
+                    lessThan(num, minimum))
+            {
+                return ValidationError::createError(QtXmlPatterns::tr(
+                    "Value %1 of type %2 is below minimum (%3).")
+                    .arg(QPatternist::formatData(static_cast<xsInteger>(num)))
+                    .arg(formatType(np, itemType()))
+                    .arg(QPatternist::formatData(static_cast<xsInteger>(minInclusive))));
+            }
+            else
+                return AtomicValue::Ptr(new DerivedInteger(num));
+        }
+
+        static AtomicValue::Ptr fromValueUnchecked(const TemporaryStorageType num)
+        {
+            return AtomicValue::Ptr(new DerivedInteger(num));
+        }
+
+        /**
+         * Constructs an instance from the lexical
+         * representation @p strNumeric.
+         */
+        static AtomicValue::Ptr fromLexical(const NamePool::Ptr &np, const QString &strNumeric)
+        {
+            bool conversionOk = false;
+            TemporaryStorageType num;
+
+            /* Depending on the type, we need to call different conversion
+             * functions on QString. */
+            switch(DerivedType)
+            {
+                case TypeUnsignedLong:
+                {
+                    /* Qt decides to flag '-' as invalid, so remove it before. */
+                    if(strNumeric.contains(QLatin1Char('-')))
+                    {
+                        num = QString(strNumeric).remove(QLatin1Char('-')).toULongLong(&conversionOk);
+
+                        if(num != 0)
+                            conversionOk = false;
+                    }
+                    else
+                        num = strNumeric.toULongLong(&conversionOk);
+
+                    break;
+                }
+                default:
+                {
+                    num = strNumeric.toLongLong(&conversionOk);
+                    break;
+                }
+            }
+
+            if(conversionOk)
+                return fromValue(np, num);
+            else
+                return ValidationError::createError();
+        }
+
+        inline StorageType storedValue() const
+        {
+            return m_value;
+        }
+
+        /**
+         * Determines the Effective %Boolean Value of this number.
+         *
+         * @returns @c false if the number is 0, otherwise @c true.
+         */
+        bool evaluateEBV(const QExplicitlySharedDataPointer<DynamicContext> &) const
+        {
+            return m_value != 0;
+        }
+
+        virtual QString stringValue() const
+        {
+            return QString::number(m_value);
+        }
+
+        virtual ItemType::Ptr type() const
+        {
+            return itemType();
+        }
+
+        virtual xsDouble toDouble() const
+        {
+            return static_cast<xsDouble>(m_value);
+        }
+
+        virtual xsInteger toInteger() const
+        {
+            return m_value;
+        }
+
+        virtual xsFloat toFloat() const
+        {
+            return static_cast<xsFloat>(m_value);
+        }
+
+        virtual xsDecimal toDecimal() const
+        {
+            return static_cast<xsDecimal>(m_value);
+        }
+
+        virtual Numeric::Ptr round() const
+        {
+            /* xs:integerS never have a mantissa. */
+            return Numeric::Ptr(static_cast<Numeric *>(const_cast<AtomicValue *>(Integer::fromValue(m_value).asAtomicValue())));
+        }
+
+        virtual Numeric::Ptr roundHalfToEven(const xsInteger) const
+        {
+            return Numeric::Ptr(static_cast<Numeric *>(const_cast<AtomicValue *>(Integer::fromValue(m_value).asAtomicValue())));
+        }
+
+        virtual Numeric::Ptr floor() const
+        {
+            return Numeric::Ptr(static_cast<Numeric *>(const_cast<AtomicValue *>(Integer::fromValue(m_value).asAtomicValue())));
+        }
+
+        virtual Numeric::Ptr ceiling() const
+        {
+            return Numeric::Ptr(static_cast<Numeric *>(const_cast<AtomicValue *>(Integer::fromValue(m_value).asAtomicValue())));
+        }
+
+        virtual Numeric::Ptr abs() const
+        {
+            /* We unconditionally create an Integer even if we're a positive
+             * value, because one part of this is the type change to
+             * xs:integer.
+             *
+             * We've manually inlined qAbs() and invoke xsInteger's
+             * constructor. The reason being that we other gets truncation down
+             * to StorageType. See for instance XQTS test case absint1args-1. */
+            return Numeric::Ptr(static_cast<Numeric *>(const_cast<AtomicValue *>(Integer::fromValue(largerOrEqual(m_value, 0) ? xsInteger(m_value) : -xsInteger(m_value)).asAtomicValue())));
+        }
+
+        /**
+         * @returns always @c false, @c xs:DerivedInteger doesn't have
+         * not-a-number in its value space.
+         */
+        virtual bool isNaN() const
+        {
+            return false;
+        }
+
+        /**
+         * @returns always @c false, @c xs:DerivedInteger doesn't have
+         * infinity in its value space.
+         */
+        virtual bool isInf() const
+        {
+            return false;
+        }
+
+        virtual Item toNegated() const
+        {
+            return Integer::fromValue(-xsInteger(m_value));
+        }
+
+        virtual bool isSigned() const
+        {
+            switch(DerivedType)
+            {
+                /* Fallthrough all these. */
+                case TypeByte:
+                case TypeInt:
+                case TypeLong:
+                case TypeNegativeInteger:
+                case TypeNonNegativeInteger:
+                case TypeNonPositiveInteger:
+                case TypePositiveInteger:
+                case TypeShort:
+                    return true;
+                /* Fallthrough all these. */
+                case TypeUnsignedByte:
+                case TypeUnsignedInt:
+                case TypeUnsignedLong:
+                case TypeUnsignedShort:
+                    return false;
+            }
+            return false;
+        }
+
+        virtual qulonglong toUnsignedInteger() const
+        {
+            switch(DerivedType)
+            {
+                /* Fallthrough all these. */
+                case TypeByte:
+                case TypeInt:
+                case TypeLong:
+                case TypeNegativeInteger:
+                case TypeNonNegativeInteger:
+                case TypeNonPositiveInteger:
+                case TypePositiveInteger:
+                case TypeShort:
+                    Q_ASSERT_X(false, Q_FUNC_INFO,
+                               "It makes no sense to call this function, see Numeric::toUnsignedInteger().");
+                /* Fallthrough all these. */
+                case TypeUnsignedByte:
+                case TypeUnsignedInt:
+                case TypeUnsignedLong:
+                case TypeUnsignedShort:
+                    return m_value;
+            }
+            return 0;
+        }
+
+    };
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif