qlocale_tools.cpp File Reference

(7838a57d2937070bb1a83122491f25b2b396553b)

#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 <cstdio>
#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>

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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)
char *	qulltoa2 (char *p, qulonglong n, int base)
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 33 of file qlocale_tools.cpp.

LLONG_MIN

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

Definition at line 36 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 39 of file qlocale_tools.cpp.

Function Documentation

digits()

constexpr int digits ( int number )

staticconstexpr

Definition at line 639 of file qlocale_tools.cpp.

Referenced by dtoString().

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dtoString()

template<typename T>

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

static

Definition at line 652 of file qlocale_tools.cpp.

References QLocaleData::DFDecimal, QLocaleData::DFExponent, QLocaleData::DFSignificantDigits, and digits().

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isDigitForBase()

bool isDigitForBase ( char d, int base )

static

Definition at line 409 of file qlocale_tools.cpp.

qdtoa()

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

nodiscard

Definition at line 585 of file qlocale_tools.cpp.

References QLocaleData::DFSignificantDigits.

qdtoAscii()

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

nodiscard

Definition at line 806 of file qlocale_tools.cpp.

Referenced by QByteArray::number().

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qdtoBasicLatin()

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

nodiscard

Definition at line 801 of file qlocale_tools.cpp.

qstrntod()

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

nodiscard

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 575 of file qlocale_tools.cpp.

qstrntoll()

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

nodiscard

Definition at line 440 of file qlocale_tools.cpp.

References scanPrefix().

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qstrntoull()

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

nodiscard

Definition at line 422 of file qlocale_tools.cpp.

References scanPrefix().

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qt_asciiToDouble()

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

nodiscard

Definition at line 256 of file qlocale_tools.cpp.

References TrailingJunkAllowed.

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 )

Definition at line 48 of file qlocale_tools.cpp.

References QLocaleData::DFExponent, and QLocaleData::DFSignificantDigits.

qulltoa()

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

nodiscard

Definition at line 521 of file qlocale_tools.cpp.

qulltoa2()

char * qulltoa2 ( char * p, qulonglong n, int base )

nodiscard

Definition at line 556 of file qlocale_tools.cpp.

qulltoBasicLatin()

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

nodiscard

Definition at line 503 of file qlocale_tools.cpp.

qulltoString_helper()

template<typename Char>

Q_ALWAYS_INLINE void qulltoString_helper ( qulonglong number, int base, Char *& p )

static

Definition at line 474 of file qlocale_tools.cpp.

resolveFormat()

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

static

Definition at line 605 of file qlocale_tools.cpp.

References QLocaleData::DFDecimal, and QLocaleData::DFExponent.

scanPrefix()

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

static

Definition at line 371 of file qlocale_tools.cpp.

Referenced by qstrntoll(), and qstrntoull().

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