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+/****************************************************************************
+**
+** 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_Decimal_H
+#define Patternist_Decimal_H
+
+#include "qschemanumeric_p.h"
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+/**
+ * Defined in QtCore's qlocale.cpp.
+ */
+Q_CORE_EXPORT char *qdtoa(double d, int mode, int ndigits, int *decpt, int *sign, char **rve, char **resultp);
+
+namespace QPatternist
+{
+
+ /**
+ * @short Implements the value instance of the @c xs:decimal type.
+ *
+ * @author Frans Englich <frans.englich@nokia.com>
+ * @ingroup Patternist_xdm
+ * @todo Documentation is missing/incomplete
+ */
+ class Decimal : public Numeric
+ {
+ public:
+
+ static Decimal::Ptr fromValue(const xsDecimal num);
+
+ /**
+ * Creates a Decimal from the lexical representation of @c xs:decimal stored in
+ * @p strNumeric.
+ *
+ * A possible optimization is to create an Integer if the string ends
+ * with ".0". But this is not conformant. For example, the user writes N.0
+ * which according to the specification is an xs:decimal, but where the
+ * expression is, is an xs:integer is required. That would pass with
+ * such an optimization.
+ */
+ static AtomicValue::Ptr fromLexical(const QString &strNumeric);
+
+ /**
+ * Gets the Effective %Boolean Value of this number.
+ *
+ * @returns @c false if the number is 0 or @c NaN, otherwise @c true.
+ */
+ bool evaluateEBV(const QExplicitlySharedDataPointer<DynamicContext> &) const;
+
+ virtual QString stringValue() const;
+
+ /**
+ * @returns always BuiltinTypes::xsDecimal
+ */
+ virtual ItemType::Ptr type() const;
+
+ virtual xsDouble toDouble() const;
+ virtual xsInteger toInteger() const;
+ virtual xsFloat toFloat() const;
+ virtual xsDecimal toDecimal() const;
+ virtual qulonglong toUnsignedInteger() const;
+
+ virtual Numeric::Ptr round() const;
+ virtual Numeric::Ptr roundHalfToEven(const xsInteger scale) const;
+ virtual Numeric::Ptr floor() const;
+ virtual Numeric::Ptr ceiling() const;
+ virtual Numeric::Ptr abs() const;
+
+ /**
+ * @returns always @c false, xs:decimal doesn't have
+ * not-a-number in its value space.
+ */
+ virtual bool isNaN() const;
+
+ /**
+ * @returns always @c false, xs:decimal doesn't have
+ * infinity in its value space.
+ */
+ virtual bool isInf() const;
+
+ virtual Item toNegated() const;
+
+ /**
+ * Converts @p value into a canonical string representation for @c xs:decimal. This
+ * function is used internally by various classes. Users probably wants to call
+ * stringValue() which in turn calls this function.
+ */
+ static QString toString(const xsDecimal value);
+
+ virtual bool isSigned() const;
+
+ protected:
+
+ Decimal(const xsDecimal num);
+
+ private:
+ const xsDecimal m_value;
+ };
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif