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++ // Copyright (C) 2021 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++ // Qt-Security score:critical reason:data-parser
++
++ #ifndef QLOCALE_TOOLS_P_H
++ #define QLOCALE_TOOLS_P_H
++
++ //
++ // W A R N I N G
++ // -------------
++ //
++ // This file is not part of the Qt API. It exists for the convenience
++ // of internal files. This header file may change from version to version
++ // without notice, or even be removed.
++ //
++ // We mean it.
++ //
++
++ #include "qlocale_p.h"
++ #include "qstring.h"
++
++ #if !defined(QT_SUPPORTS_INT128) && (defined(Q_CC_MSVC) && (_MSC_VER >= 1930) && __has_include(<__msvc_int128.hpp>))
++ #include <__msvc_int128.hpp>
++ #define QT_USE_MSVC_INT128
++ #endif
++
++ QT_BEGIN_NAMESPACE
++
++ #if defined(QT_SUPPORTS_INT128)
++ using qinternalint128 = qint128;
++ using qinternaluint128 = quint128;
++ #elif defined(QT_USE_MSVC_INT128)
++ using qinternalint128 = std::_Signed128;
++ using qinternaluint128 = std::_Unsigned128;
++ #endif
++
++ enum StrayCharacterMode {
++ TrailingJunkProhibited,
++ TrailingJunkAllowed,
++ };
++
++ // API note: this function can't process a number with more than 2.1 billion digits
++ [[nodiscard]] QSimpleParsedNumber<double>
++ qt_asciiToDouble(const char *num, qsizetype numLen,
++ StrayCharacterMode strayCharMode = TrailingJunkProhibited);
++ void qt_doubleToAscii(double d, QLocaleData::DoubleForm form, int precision,
++ char *buf, qsizetype bufSize,
++ bool &sign, int &length, int &decpt);
++
++ [[nodiscard]] QString qulltoBasicLatin(qulonglong l, int base, bool negative);
++ [[nodiscard]] QString qulltoa(qulonglong l, int base, const QStringView zero);
++ [[nodiscard]] char *qulltoa2(char *p, qulonglong n, int base);
++ [[nodiscard]] Q_CORE_EXPORT QString qdtoa(qreal d, int *decpt, int *sign);
++ [[nodiscard]] QString qdtoBasicLatin(double d, QLocaleData::DoubleForm form,
++ int precision, bool uppercase);
++ [[nodiscard]] QByteArray qdtoAscii(double d, QLocaleData::DoubleForm form,
++ int precision, bool uppercase);
++
++ #if defined(QT_SUPPORTS_INT128) || defined(QT_USE_MSVC_INT128)
++ [[nodiscard]] Q_CORE_EXPORT QString quint128toBasicLatin(qinternaluint128 number,
++ int base = 10);
++ [[nodiscard]] Q_CORE_EXPORT QString qint128toBasicLatin(qinternalint128 number,
++ int base = 10);
++ #endif
++
++ #if QT_VERSION < QT_VERSION_CHECK(6, 12, 0)
++ [[deprecated("Use qIsNull(double) instead.")]]
++ [[nodiscard]] constexpr inline bool isZero(double d)
++ {
++ return qIsNull(d);
++ }
++ #endif
++
++ // Enough space for the digits before the decimal separator:
++ [[nodiscard]] constexpr inline int wholePartSpace(double d)
++ {
++ Q_ASSERT(d >= 0); // caller should call qAbs() if needed
++ // Optimize for numbers between -512k and 512k - otherwise, use the
++ // maximum number of digits in the whole number part of a double:
++ return d > (1 << 19) ? std::numeric_limits<double>::max_exponent10 + 1 : 6;
++ }
++
++ // Returns code-point of same kind (UCS2 or UCS4) as zero; digit is 0 through 9
++ template <typename UcsInt>
++ [[nodiscard]] constexpr inline UcsInt unicodeForDigit(uint digit, UcsInt zero)
++ {
++ // Must match QLocaleData::NumericData::digitValue()'s digit-digestion.
++ Q_ASSERT(digit < 10);
++ if (!digit)
++ return zero;
++
++ // See QTBUG-85409: Suzhou's digits are U+3007, U+3021, ..., U+3029
++ if (zero == u'\u3007')
++ return u'\u3020' + digit;
++ // In util/locale_database/ldml.py, LocaleScanner.numericData() asserts no
++ // other number system in CLDR has discontinuous digits.
++
++ return zero + digit;
++ }
++
++ // How many copies of s.front() does s start with ? 0 if empty.
++ // Intended for parsing ASCII format tokens in format strings,
++ // so only works for BMP characters, as that's good enough.
++ [[nodiscard]] constexpr inline qsizetype qt_repeatCount(QStringView s) noexcept
++ {
++ if (s.isEmpty())
++ return 0;
++ const QChar c = s.front();
++ qsizetype j = 1;
++ while (j < s.size() && s.at(j) == c)
++ ++j;
++ return j;
++ }
++
++ [[nodiscard]] Q_CORE_EXPORT double qstrntod(const char *s00, qsizetype len,
++ char const **se, bool *ok);
++ [[nodiscard]] inline double qstrtod(const char *s00, char const **se, bool *ok)
++ {
++ qsizetype len = qsizetype(strlen(s00));
++ return qstrntod(s00, len, se, ok);
++ }
++
++ [[nodiscard]] Q_AUTOTEST_EXPORT
++ QSimpleParsedNumber<qlonglong> qstrntoll(const char *nptr, qsizetype size, int base);
++ [[nodiscard]] QSimpleParsedNumber<qulonglong> qstrntoull(const char *nptr, qsizetype size, int base);
++
++ QT_END_NAMESPACE
++
++ #endif