src/xmlpatterns/data/qschemanumeric.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/xmlpatterns/data/qschemanumeric.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,91 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <math.h>
+
+#include "qabstractfloat_p.h"
+#include "qboolean_p.h"
+#include "qbuiltintypes_p.h"
+#include "qcommonvalues_p.h"
+#include "qdecimal_p.h"
+#include "qinteger_p.h"
+
+#include "qschemanumeric_p.h"
+
+/**
+ * @file Contains class Numeric. This file was originally called qnumeric.cpp,
+ * but was renamed to stay consistent with qschemanumeric_p.h
+ */
+
+QT_BEGIN_NAMESPACE
+
+using namespace QPatternist;
+
+AtomicValue::Ptr Numeric::fromLexical(const QString &number)
+{
+    Q_ASSERT(!number.isEmpty());
+    Q_ASSERT_X(!number.contains(QLatin1Char('e')) &&
+               !number.contains(QLatin1Char('E')),
+               Q_FUNC_INFO, "Should not contain any e/E");
+
+    if(number.contains(QLatin1Char('.'))) /* an xs:decimal. */
+        return Decimal::fromLexical(number);
+    else /* It's an integer, of some sort. E.g, -3, -2, -1, 0, 1, 2, 3 */
+        return Integer::fromLexical(number);
+}
+
+xsDouble Numeric::roundFloat(const xsDouble val)
+{
+    if(qIsInf(val) || AbstractFloat<true>::isEqual(val, 0.0))
+        return val;
+    else if(qIsNaN(val))
+        return val;
+    else
+    {
+        if(val >= -0.5 && val < 0)
+            return -0.0;
+        else
+            return ::floor(val + 0.5);
+
+    }
+}
+
+QT_END_NAMESPACE