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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
57QT_BEGIN_NAMESPACE
58
59enum StrayCharacterMode {
60 TrailingJunkProhibited,
61 TrailingJunkAllowed,
62 WhitespacesAllowed
63};
64
65double qt_asciiToDouble(const char *num, int numLen, bool &ok, int &processed,
66 StrayCharacterMode strayCharMode = TrailingJunkProhibited);
67void qt_doubleToAscii(double d, QLocaleData::DoubleForm form, int precision, char *buf, int bufSize,
68 bool &sign, int &length, int &decpt);
69
70QString qulltoa(qulonglong l, int base, const QChar _zero);
71Q_CORE_EXPORT QString qdtoa(qreal d, int *decpt, int *sign);
72
73enum PrecisionMode {
74 PMDecimalDigits = 0x01,
75 PMSignificantDigits = 0x02,
76 PMChopTrailingZeros = 0x03
77};
78
79QString &decimalForm(QChar zero, QChar decimal, QChar group,
80 QString &digits, int decpt, int precision,
81 PrecisionMode pm,
82 bool always_show_decpt,
83 bool thousands_group);
84QString &exponentForm(QChar zero, QChar decimal, QChar exponential,
85 QChar group, QChar plus, QChar minus,
86 QString &digits, int decpt, int precision,
87 PrecisionMode pm,
88 bool always_show_decpt,
89 bool leading_zero_in_exponent);
90
91inline bool isZero(double d)
92{
93 uchar *ch = (uchar *)&d;
94 if (QSysInfo::ByteOrder == QSysInfo::BigEndian) {
95 return !(ch[0] & 0x7F || ch[1] || ch[2] || ch[3] || ch[4] || ch[5] || ch[6] || ch[7]);
96 } else {
97 return !(ch[7] & 0x7F || ch[6] || ch[5] || ch[4] || ch[3] || ch[2] || ch[1] || ch[0]);
98 }
99}
100
101Q_CORE_EXPORT double qstrtod(const char *s00, char const **se, bool *ok);
102Q_CORE_EXPORT double qstrntod(const char *s00, int len, char const **se, bool *ok);
103qlonglong qstrtoll(const char *nptr, const char **endptr, int base, bool *ok);
104qulonglong qstrtoull(const char *nptr, const char **endptr, int base, bool *ok);
105
106QT_END_NAMESPACE
107
108#endif
109

source code of qtbase/src/corelib/text/qlocale_tools_p.h