diff options
Diffstat (limited to 'src/corelib/tools/qlocale_p.h')
| -rw-r--r-- | src/corelib/tools/qlocale_p.h | 43 |
1 files changed, 27 insertions, 16 deletions
diff --git a/src/corelib/tools/qlocale_p.h b/src/corelib/tools/qlocale_p.h index b3fd7a96b8..65d4d58def 100644 --- a/src/corelib/tools/qlocale_p.h +++ b/src/corelib/tools/qlocale_p.h @@ -165,6 +165,17 @@ public: QLocale::Country country); static const QLocaleData *c(); + // Maximum number of significant digits needed to represent a double. + // We cannot use std::numeric_limits here without constexpr. + static const int DoubleMantissaBits = 53; + static const int Log10_2_100000 = 30103; // log10(2) * 100000 + // same as C++11 std::numeric_limits<T>::max_digits10 + static const int DoubleMaxSignificant = (DoubleMantissaBits * Log10_2_100000) / 100000 + 2; + + // Maximum number of digits before decimal point to represent a double + // Same as std::numeric_limits<double>::max_exponent10 + 1 + static const int DoubleMaxDigitsBeforeDecimal = 309; + enum DoubleForm { DFExponent = 0, DFDecimal, @@ -184,14 +195,10 @@ public: ShowBase = 0x80, UppercaseBase = 0x100, + ZeroPadExponent = 0x200, ForcePoint = Alternate }; - enum GroupSeparatorMode { - FailOnGroupSeparators, - ParseGroupSeparators - }; - enum NumberMode { IntegerMode, DoubleStandardMode, DoubleScientificMode }; typedef QVarLengthArray<char, 256> CharBuff; @@ -239,24 +246,26 @@ public: return float(d); } - double stringToDouble(const QChar *begin, int len, bool *ok, GroupSeparatorMode group_sep_mode) const; - qint64 stringToLongLong(const QChar *begin, int len, int base, bool *ok, GroupSeparatorMode group_sep_mode) const; - quint64 stringToUnsLongLong(const QChar *begin, int len, int base, bool *ok, GroupSeparatorMode group_sep_mode) const; + double stringToDouble(const QChar *begin, int len, bool *ok, + QLocale::NumberOptions number_options) const; + qint64 stringToLongLong(const QChar *begin, int len, int base, bool *ok, + QLocale::NumberOptions number_options) const; + quint64 stringToUnsLongLong(const QChar *begin, int len, int base, bool *ok, + QLocale::NumberOptions number_options) const; // these functions are used in QIntValidator (QtGui) Q_CORE_EXPORT static double bytearrayToDouble(const char *num, bool *ok, bool *overflow = 0); Q_CORE_EXPORT static qint64 bytearrayToLongLong(const char *num, int base, bool *ok, bool *overflow = 0); Q_CORE_EXPORT static quint64 bytearrayToUnsLongLong(const char *num, int base, bool *ok); - bool numberToCLocale(const QChar *str, int len, - GroupSeparatorMode group_sep_mode, - CharBuff *result) const; + bool numberToCLocale(const QChar *str, int len, QLocale::NumberOptions number_options, + CharBuff *result) const; inline char digitToCLocale(QChar c) const; // this function is used in QIntValidator (QtGui) - Q_CORE_EXPORT bool validateChars(const QString &str, NumberMode numMode, - QByteArray *buff, int decDigits = -1, - bool rejectGroupSeparators = false) const; + Q_CORE_EXPORT bool validateChars( + const QString &str, NumberMode numMode, QByteArray *buff, int decDigits = -1, + QLocale::NumberOptions number_options = QLocale::DefaultNumberOptions) const; public: quint16 m_language_id, m_script_id, m_country_id; @@ -304,7 +313,9 @@ public: class Q_CORE_EXPORT QLocalePrivate { public: - static QLocalePrivate *create(const QLocaleData *data, int numberOptions = 0) + static QLocalePrivate *create( + const QLocaleData *data, + QLocale::NumberOptions numberOptions = QLocale::DefaultNumberOptions) { QLocalePrivate *retval = new QLocalePrivate; retval->m_data = data; @@ -351,7 +362,7 @@ public: const QLocaleData *m_data; QBasicAtomicInt ref; - quint16 m_numberOptions; + QLocale::NumberOptions m_numberOptions; }; template <> |