#include "qlocale_tools_p.h"
#include "qdoublescanprint_p.h"
#include "qlocale_p.h"
#include "qstring.h"
#include <private/qtools_p.h>
#include <private/qnumeric_p.h>
#include <ctype.h>
#include <errno.h>
#include <float.h>
#include <limits.h>
#include <math.h>
#include <stdlib.h>
#include <time.h>
#include <limits>
#include <charconv>

Include dependency graph for qlocale_tools.cpp:

Macros
#define	LLONG_MAX Q_INT64_C(0x7fffffffffffffff)

#define	LLONG_MIN (-LLONG_MAX - Q_INT64_C(1))

#define	ULLONG_MAX Q_UINT64_C(0xffffffffffffffff)

#define	BIG_BASE_LOOP(b)

#define	SMALL_BASE_LOOP(b)

Functions
QT_CLOCALE_HOLDER void	qt_doubleToAscii (double d, QLocaleData::DoubleForm form, int precision, char *buf, qsizetype bufSize, bool &sign, int &length, int &decpt)

QSimpleParsedNumber< double >	qt_asciiToDouble (const char *num, qsizetype numLen, StrayCharacterMode strayCharMode)

static auto	scanPrefix (const char p, const char stop, int base)

static bool	isDigitForBase (char d, int base)

QSimpleParsedNumber< qulonglong >	qstrntoull (const char *begin, qsizetype size, int base)

QSimpleParsedNumber< qlonglong >	qstrntoll (const char *begin, qsizetype size, int base)

template<typename Char >
static Q_ALWAYS_INLINE void	qulltoString_helper (qulonglong number, int base, Char *&p)

QString	qulltoBasicLatin (qulonglong number, int base, bool negative)

QString	qulltoa (qulonglong number, int base, const QStringView zero)

double	qstrntod (const char s00, qsizetype len, const char se, bool ok)

QString	qdtoa (qreal d, int decpt, int sign)

static QLocaleData::DoubleForm	resolveFormat (int precision, int decpt, qsizetype length)

static constexpr int	digits (int number)

template<typename T >
static T	dtoString (double d, QLocaleData::DoubleForm form, int precision, bool uppercase)

QString	qdtoBasicLatin (double d, QLocaleData::DoubleForm form, int precision, bool uppercase)

QByteArray	qdtoAscii (double d, QLocaleData::DoubleForm form, int precision, bool uppercase)

Macro Definition Documentation

◆ BIG_BASE_LOOP

#define BIG_BASE_LOOP ( b )

Value:

    do {                                                  \
        const int r = number % b;                         \
        *--p = Char((r < 10 ? '0' : 'a' - 10) + r); \
        number /= b;                                      \
    } while (number)

◆ LLONG_MAX

#define LLONG_MAX Q_INT64_C(0x7fffffffffffffff)

Definition at line 30 of file qlocale_tools.cpp.

◆ LLONG_MIN

#define LLONG_MIN (-LLONG_MAX - Q_INT64_C(1))

Definition at line 33 of file qlocale_tools.cpp.

◆ SMALL_BASE_LOOP

#define SMALL_BASE_LOOP ( b )

Value:

        do {                               \
            *--p = Char('0' + number % b); \
            number /= b;                   \
        } while (number)

◆ ULLONG_MAX

#define ULLONG_MAX Q_UINT64_C(0xffffffffffffffff)

Definition at line 36 of file qlocale_tools.cpp.

Function Documentation

◆ digits()

static constexpr int digits ( int number )

staticconstexpr

Definition at line 626 of file qlocale_tools.cpp.

References i, number, Q_ASSERT, and Q_LIKELY.

Referenced by QTest::countSignificantDigits(), digitCount(), QLocaleData::doubleToString(), dtoString(), qdtoa(), QSystemLocalePrivate::zeroDigit(), and zeroPad().

Here is the caller graph for this function:

◆ dtoString()

template<typename T >

static T dtoString	(	double	d,
		QLocaleData::DoubleForm	form,
		int	precision,
		bool	uppercase
	)

static

Definition at line 639 of file qlocale_tools.cpp.

References d, QGraphicsItem::data(), QLocaleData::DFDecimal, QLocaleData::DFExponent, QLocaleData::DFSignificantDigits, digits(), QLocale::FloatingPointShortest, form, i, isZero(), Q_ASSERT, qAbs(), qIsFinite(), qMax(), qt_doubleToAscii(), resolveFormat(), sign(), view, and wholePartSpace().

Here is the call graph for this function:

◆ isDigitForBase()

static bool isDigitForBase	(	char	d,
		int	base
	)

static

Definition at line 408 of file qlocale_tools.cpp.

References base, d, and qMin().

Referenced by qstrntoll().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ qdtoa()

QString qdtoa	(	qreal	d,
		int *	decpt,
		int *	sign
	)

Definition at line 572 of file qlocale_tools.cpp.

References d, QLocaleData::DFSignificantDigits, digits(), QLocale::FloatingPointShortest, qt_doubleToAscii(), and sign().

Referenced by QV4::RuntimeHelpers::numberToString().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ qdtoAscii()

QByteArray qdtoAscii	(	double	d,
		QLocaleData::DoubleForm	form,
		int	precision,
		bool	uppercase
	)

Definition at line 793 of file qlocale_tools.cpp.

References d, and form.

Referenced by QByteArray::number().

Here is the caller graph for this function:

◆ qdtoBasicLatin()

QString qdtoBasicLatin	(	double	d,
		QLocaleData::DoubleForm	form,
		int	precision,
		bool	uppercase
	)

Definition at line 788 of file qlocale_tools.cpp.

References d, and form.

Referenced by QString::number().

Here is the caller graph for this function:

◆ qstrntod()

double qstrntod	(	const char *	s00,
		qsizetype	len,
		const char **	se,
		bool *	ok
	)

Converts the initial portion of the string pointed to by s00 to a double, using the 'C' locale. The function sets the pointer pointed to by se to point to the character past the last character converted.

Definition at line 562 of file qlocale_tools.cpp.

References ok, qt_asciiToDouble(), and TrailingJunkAllowed.

Referenced by qstrtod().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ qstrntoll()

QSimpleParsedNumber< qlonglong > qstrntoll	(	const char *	begin,
		qsizetype	size,
		int	base
	)

Definition at line 439 of file qlocale_tools.cpp.

References ascii_isspace(), base, begin(), isDigitForBase(), and scanPrefix().

Referenced by QLocaleData::bytearrayToLongLong(), deviceNumber(), getWinLocaleName(), parsePosixTime(), and qt_doubleToAscii().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ qstrntoull()

QSimpleParsedNumber< qulonglong > qstrntoull	(	const char *	begin,
		qsizetype	size,
		int	base
	)

Definition at line 421 of file qlocale_tools.cpp.

References ascii_isspace(), base, begin(), and scanPrefix().

Referenced by QLocaleData::bytearrayToUnsLongLong(), from_string(), parse_field_width(), QIPAddressUtils::parseIp4Internal(), QIPAddressUtils::parseIp6(), and winIso639LangName().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ qt_asciiToDouble()

QSimpleParsedNumber< double > qt_asciiToDouble	(	const char *	num,
		qsizetype	numLen,
		StrayCharacterMode	strayCharMode
	)

Definition at line 253 of file qlocale_tools.cpp.

References c2, d, fmt, i, isZero(), Q_ASSERT, qIsFinite(), qIsNaN(), qsnprintf(), qt_inf(), qt_qnan(), TrailingJunkAllowed, TrailingJunkProhibited, and WhitespacesAllowed.

Referenced by qstrntod(), QLocaleData::stringToDouble(), QStringView::toDouble(), and QtPrivate::toDouble().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ qt_doubleToAscii()

QT_CLOCALE_HOLDER void qt_doubleToAscii	(	double	d,
		QLocaleData::DoubleForm	form,
		int	precision,
		char *	buf,
		qsizetype	bufSize,
		bool &	sign,
		int &	length,
		int &	decpt
	)