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39
40#ifndef QLOCALE_TOOLS_P_H
41#define QLOCALE_TOOLS_P_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists for the convenience
48// of internal files. This header file may change from version to version
49// without notice, or even be removed.
50//
51// We mean it.
52//
53
54#include "qlocale_p.h"
55#include "qstring.h"
56
57#if !defined(QT_QLOCALE_NEEDS_VOLATILE)
58# if defined(Q_CC_GNU)
59# if __GNUC__ == 4
60# define QT_QLOCALE_NEEDS_VOLATILE
61# elif defined(Q_OS_WIN)
62# define QT_QLOCALE_NEEDS_VOLATILE
63# endif
64# endif
65#endif
66
67#if defined(QT_QLOCALE_NEEDS_VOLATILE)
68# define NEEDS_VOLATILE volatile
69#else
70# define NEEDS_VOLATILE
71#endif
72
73QT_BEGIN_NAMESPACE
74
75enum StrayCharacterMode {
76 TrailingJunkProhibited,
77 TrailingJunkAllowed,
78 WhitespacesAllowed
79};
80
81double qt_asciiToDouble(const char *num, int numLen, bool &ok, int &processed,
82 StrayCharacterMode strayCharMode = TrailingJunkProhibited);
83void qt_doubleToAscii(double d, QLocaleData::DoubleForm form, int precision, char *buf, int bufSize,
84 bool &sign, int &length, int &decpt);
85
86QString qulltoa(qulonglong l, int base, const QChar _zero);
87Q_CORE_EXPORT QString qdtoa(qreal d, int *decpt, int *sign);
88
89enum PrecisionMode {
90 PMDecimalDigits = 0x01,
91 PMSignificantDigits = 0x02,
92 PMChopTrailingZeros = 0x03
93};
94
95QString &decimalForm(QChar zero, QChar decimal, QChar group,
96 QString &digits, int decpt, int precision,
97 PrecisionMode pm,
98 bool always_show_decpt,
99 bool thousands_group);
100QString &exponentForm(QChar zero, QChar decimal, QChar exponential,
101 QChar group, QChar plus, QChar minus,
102 QString &digits, int decpt, int precision,
103 PrecisionMode pm,
104 bool always_show_decpt,
105 bool leading_zero_in_exponent);
106
107inline bool isZero(double d)
108{
109 uchar *ch = (uchar *)&d;
110 if (QSysInfo::ByteOrder == QSysInfo::BigEndian) {
111 return !(ch[0] & 0x7F || ch[1] || ch[2] || ch[3] || ch[4] || ch[5] || ch[6] || ch[7]);
112 } else {
113 return !(ch[7] & 0x7F || ch[6] || ch[5] || ch[4] || ch[3] || ch[2] || ch[1] || ch[0]);
114 }
115}
116
117Q_CORE_EXPORT double qstrtod(const char *s00, char const **se, bool *ok);
118Q_CORE_EXPORT double qstrntod(const char *s00, int len, char const **se, bool *ok);
119qlonglong qstrtoll(const char *nptr, const char **endptr, int base, bool *ok);
120qulonglong qstrtoull(const char *nptr, const char **endptr, int base, bool *ok);
121
122QT_END_NAMESPACE
123
124#endif
125