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Diffstat (limited to 'src/corelib/text/qlocale_tools_p.h')
-rw-r--r-- | src/corelib/text/qlocale_tools_p.h | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/src/corelib/text/qlocale_tools_p.h b/src/corelib/text/qlocale_tools_p.h new file mode 100644 index 0000000000..594331ae37 --- /dev/null +++ b/src/corelib/text/qlocale_tools_p.h @@ -0,0 +1,124 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtCore module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** 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 +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** 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 +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QLOCALE_TOOLS_P_H +#define QLOCALE_TOOLS_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists for the convenience +// of internal files. This header file may change from version to version +// without notice, or even be removed. +// +// We mean it. +// + +#include "qlocale_p.h" +#include "qstring.h" + +#if !defined(QT_QLOCALE_NEEDS_VOLATILE) +# if defined(Q_CC_GNU) +# if __GNUC__ == 4 +# define QT_QLOCALE_NEEDS_VOLATILE +# elif defined(Q_OS_WIN) +# define QT_QLOCALE_NEEDS_VOLATILE +# endif +# endif +#endif + +#if defined(QT_QLOCALE_NEEDS_VOLATILE) +# define NEEDS_VOLATILE volatile +#else +# define NEEDS_VOLATILE +#endif + +QT_BEGIN_NAMESPACE + +enum StrayCharacterMode { + TrailingJunkProhibited, + TrailingJunkAllowed, + WhitespacesAllowed +}; + +double qt_asciiToDouble(const char *num, int numLen, bool &ok, int &processed, + StrayCharacterMode strayCharMode = TrailingJunkProhibited); +void qt_doubleToAscii(double d, QLocaleData::DoubleForm form, int precision, char *buf, int bufSize, + bool &sign, int &length, int &decpt); + +QString qulltoa(qulonglong l, int base, const QChar _zero); +Q_CORE_EXPORT QString qdtoa(qreal d, int *decpt, int *sign); + +enum PrecisionMode { + PMDecimalDigits = 0x01, + PMSignificantDigits = 0x02, + PMChopTrailingZeros = 0x03 +}; + +QString &decimalForm(QChar zero, QChar decimal, QChar group, + QString &digits, int decpt, int precision, + PrecisionMode pm, + bool always_show_decpt, + bool thousands_group); +QString &exponentForm(QChar zero, QChar decimal, QChar exponential, + QChar group, QChar plus, QChar minus, + QString &digits, int decpt, int precision, + PrecisionMode pm, + bool always_show_decpt, + bool leading_zero_in_exponent); + +inline bool isZero(double d) +{ + uchar *ch = (uchar *)&d; + if (QSysInfo::ByteOrder == QSysInfo::BigEndian) { + return !(ch[0] & 0x7F || ch[1] || ch[2] || ch[3] || ch[4] || ch[5] || ch[6] || ch[7]); + } else { + return !(ch[7] & 0x7F || ch[6] || ch[5] || ch[4] || ch[3] || ch[2] || ch[1] || ch[0]); + } +} + +Q_CORE_EXPORT double qstrtod(const char *s00, char const **se, bool *ok); +Q_CORE_EXPORT double qstrntod(const char *s00, int len, char const **se, bool *ok); +qlonglong qstrtoll(const char *nptr, const char **endptr, int base, bool *ok); +qulonglong qstrtoull(const char *nptr, const char **endptr, int base, bool *ok); + +QT_END_NAMESPACE + +#endif |