Revision control
Copy as Markdown
// Copyright (C) 2021 The Qt Company Ltd.
// Copyright (C) 2016 Intel Corporation.
// 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_P_H
#define QLOCALE_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.h"
#include <QtCore/qcalendar.h>
#include <QtCore/qlist.h>
#include <QtCore/qnumeric.h>
#include <QtCore/private/qnumeric_p.h>
#include <QtCore/qstring.h>
#include <QtCore/qvariant.h>
#include <QtCore/qvarlengtharray.h>
#ifdef Q_OS_WASM
#include <private/qstdweb_p.h>
#endif
#include <limits>
#include <cmath>
#include <string_view>
QT_BEGIN_NAMESPACE
template <typename T> struct QSimpleParsedNumber
{
T result;
// When used < 0, -used is how much was used, but it was an error.
qsizetype used;
bool ok() const { return used > 0; }
};
template <int Extent, uchar Lowest> struct QCharacterSetMatch
{
using Word = qregisteruint;
static constexpr int WordBits = std::numeric_limits<Word>::digits;
static constexpr int MaxRange = WordBits * Extent;
qregisteruint mask[Extent];
constexpr QCharacterSetMatch(std::string_view set) noexcept
: mask{}
{
for (char c : set) {
auto [offset, shift] = maskLocation(c);
mask[offset] |= Word(1) << shift;
}
}
constexpr bool matches(uchar c) const noexcept
{
auto [offset, shift] = maskLocation(c);
if (offset < 0)
return false;
Word m = 0;
if constexpr (Extent == 2) {
// special case for faster code (with GCC, at least)
m = (c - Lowest < WordBits) ? mask[0] : mask[1];
} else {
m = mask[offset];
}
return (m >> shift) & 1;
}
constexpr auto maskLocation(uchar c) const noexcept
{
struct { int offset; int shift; } r = { -1, -1 };
unsigned idx = c - Lowest;
if (idx < MaxRange) {
r.offset = idx / WordBits;
r.shift = idx % WordBits;
}
return r;
}
};
namespace QtPrivate {
inline constexpr char ascii_space_chars[] =
"\t" // 9: HT - horizontal tab
"\n" // 10: LF - line feed
"\v" // 11: VT - vertical tab
"\f" // 12: FF - form feed
"\r" // 13: CR - carriage return
" "; // 32: space
template <const char *Set, int ForcedLowest = -1>
inline constexpr auto makeCharacterSetMatch() noexcept
{
constexpr int BitsPerWord = std::numeric_limits<qregisteruint>::digits;
constexpr auto view = std::string_view(Set);
constexpr uchar MinElement = *std::min_element(view.begin(), view.end());
constexpr uchar MaxElement = *std::max_element(view.begin(), view.end());
constexpr int Range = MaxElement - MinElement;
constexpr int Extent = (Range + BitsPerWord - 1) / BitsPerWord;
constexpr int TotalBits = BitsPerWord * Extent;
if constexpr (ForcedLowest >= 0) {
// use the force
static_assert(ForcedLowest <= int(MinElement), "The force is not with you");
static_assert(ForcedLowest + TotalBits >= MaxElement, "The force is not with you");
return QCharacterSetMatch<Extent, ForcedLowest>(view);
} else if constexpr (MaxElement < TotalBits) {
// if we can use a Lowest of zero, we can remove a subtraction
// from the matches() code at runtime
return QCharacterSetMatch<Extent, 0>(view);
} else {
return QCharacterSetMatch<Extent, MinElement>(view);
}
}
} // QtPrivate
// Subclassed by Android platform plugin:
class Q_CORE_EXPORT QSystemLocale
{
Q_DISABLE_COPY_MOVE(QSystemLocale)
QSystemLocale *next = nullptr; // Maintains a stack.
public:
QSystemLocale();
virtual ~QSystemLocale();
struct CurrencyToStringArgument
{
CurrencyToStringArgument() { }
CurrencyToStringArgument(const QVariant &v, const QString &s)
: value(v), symbol(s) { }
QVariant value;
QString symbol;
};
enum QueryType {
LanguageId, // uint
TerritoryId, // uint
DecimalPoint, // QString
Grouping, // QLocaleData::GroupSizes
GroupSeparator, // QString (empty QString means: don't group digits)
ZeroDigit, // QString
NegativeSign, // QString
DateFormatLong, // QString
DateFormatShort, // QString
TimeFormatLong, // QString
TimeFormatShort, // QString
DayNameLong, // QString, in: int
DayNameShort, // QString, in: int
DayNameNarrow, // QString, in: int
MonthNameLong, // QString, in: int
MonthNameShort, // QString, in: int
MonthNameNarrow, // QString, in: int
DateToStringLong, // QString, in: QDate
DateToStringShort, // QString in: QDate
TimeToStringLong, // QString in: QTime
TimeToStringShort, // QString in: QTime
DateTimeFormatLong, // QString
DateTimeFormatShort, // QString
DateTimeToStringLong, // QString in: QDateTime
DateTimeToStringShort, // QString in: QDateTime
MeasurementSystem, // uint
PositiveSign, // QString
AMText, // QString
PMText, // QString
FirstDayOfWeek, // Qt::DayOfWeek
Weekdays, // QList<Qt::DayOfWeek>
CurrencySymbol, // QString in: CurrencyToStringArgument
CurrencyToString, // QString in: qlonglong, qulonglong or double
Collation, // QString
UILanguages, // QStringList
StringToStandardQuotation, // QString in: QStringView to quote
StringToAlternateQuotation, // QString in: QStringView to quote
ScriptId, // uint
ListToSeparatedString, // QString
LocaleChanged, // system locale changed
NativeLanguageName, // QString
NativeTerritoryName, // QString
StandaloneMonthNameLong, // QString, in: int
StandaloneMonthNameShort, // QString, in: int
StandaloneMonthNameNarrow, // QString, in: int
StandaloneDayNameLong, // QString, in: int
StandaloneDayNameShort, // QString, in: int
StandaloneDayNameNarrow // QString, in: int
};
virtual QVariant query(QueryType type, QVariant &&in = QVariant()) const;
virtual QLocale fallbackLocale() const;
inline qsizetype fallbackLocaleIndex() const;
protected:
inline const QSharedDataPointer<QLocalePrivate> localeData(const QLocale &locale) const
{
return locale.d;
}
};
Q_DECLARE_TYPEINFO(QSystemLocale::QueryType, Q_PRIMITIVE_TYPE);
Q_DECLARE_TYPEINFO(QSystemLocale::CurrencyToStringArgument, Q_RELOCATABLE_TYPE);
struct QLocaleId
{
[[nodiscard]] Q_AUTOTEST_EXPORT static QLocaleId fromName(QStringView name) noexcept;
[[nodiscard]] inline bool operator==(QLocaleId other) const noexcept
{ return language_id == other.language_id && script_id == other.script_id && territory_id == other.territory_id; }
[[nodiscard]] inline bool operator!=(QLocaleId other) const noexcept
{ return !operator==(other); }
[[nodiscard]] inline bool isValid() const noexcept
{
return language_id <= QLocale::LastLanguage && script_id <= QLocale::LastScript
&& territory_id <= QLocale::LastTerritory;
}
[[nodiscard]] inline bool matchesAll() const noexcept
{
return !language_id && !script_id && !territory_id;
}
// Use as: filter.accept...(candidate)
[[nodiscard]] inline bool acceptLanguage(quint16 lang) const noexcept
{
// Always reject AnyLanguage (only used for last entry in locale_data array).
// So, when searching for AnyLanguage, accept everything *but* AnyLanguage.
return language_id ? lang == language_id : lang;
}
[[nodiscard]] inline bool acceptScriptTerritory(QLocaleId other) const noexcept
{
return (!territory_id || other.territory_id == territory_id)
&& (!script_id || other.script_id == script_id);
}
[[nodiscard]] inline bool sameLanguageScript(QLocaleId other) const noexcept
{
return language_id && language_id == other.language_id
&& script_id == other.script_id;
}
[[nodiscard]] QLocaleId withLikelySubtagsAdded() const noexcept;
[[nodiscard]] QLocaleId withLikelySubtagsRemoved() const noexcept;
[[nodiscard]] Q_AUTOTEST_EXPORT QByteArray name(char separator = '-') const;
ushort language_id = 0, script_id = 0, territory_id = 0;
};
Q_DECLARE_TYPEINFO(QLocaleId, Q_PRIMITIVE_TYPE);
struct QLocaleData
{
public:
// Having an index for each locale enables us to have diverse sources of
// data, e.g. calendar locales, as well as the main CLDR-derived data.
[[nodiscard]] Q_AUTOTEST_EXPORT static qsizetype findLocaleIndex(QLocaleId localeId) noexcept;
[[nodiscard]] Q_AUTOTEST_EXPORT static const QLocaleData *c() noexcept;
[[nodiscard]] Q_AUTOTEST_EXPORT
static bool allLocaleDataRows(bool (*check)(qsizetype, const QLocaleData &));
[[nodiscard]] Q_AUTOTEST_EXPORT
static const QLocaleData *dataForLocaleIndex(qsizetype index);
enum DoubleForm {
DFExponent = 0,
DFDecimal,
DFSignificantDigits,
_DFMax = DFSignificantDigits
};
enum Flags {
NoFlags = 0,
AddTrailingZeroes = 0x01,
ZeroPadded = 0x02,
LeftAdjusted = 0x04,
BlankBeforePositive = 0x08,
AlwaysShowSign = 0x10,
GroupDigits = 0x20,
CapitalEorX = 0x40,
ShowBase = 0x80,
UppercaseBase = 0x100,
ZeroPadExponent = 0x200,
ForcePoint = 0x400
};
enum NumberMode { IntegerMode, DoubleStandardMode, DoubleScientificMode };
struct GroupSizes // Numbers of digits in various groups:
{
int first = 0; // Min needed before the separator, when there's only one.
int higher = 0; // Each group between separators.
int least = 0; // Least significant, when any separators appear.
bool isValid() const { return least > 0 && higher > first && first > 0; }
};
using CharBuff = QVarLengthArray<char, 256>;
struct ParsingResult
{
enum State { // A duplicate of QValidator::State
Invalid,
Intermediate,
Acceptable,
};
State state = Invalid;
CharBuff buff;
};
private:
enum PrecisionMode {
PMDecimalDigits = 0x01,
PMSignificantDigits = 0x02,
PMChopTrailingZeros = 0x03
};
[[nodiscard]] QString decimalForm(QString &&digits, int decpt, int precision,
PrecisionMode pm, bool mustMarkDecimal,
bool groupDigits) const;
[[nodiscard]] QString exponentForm(QString &&digits, int decpt, int precision,
PrecisionMode pm, bool mustMarkDecimal,
int minExponentDigits) const;
[[nodiscard]] QString signPrefix(bool negative, unsigned flags) const;
[[nodiscard]] QString applyIntegerFormatting(QString &&numStr, bool negative, int precision,
int base, int width, unsigned flags) const;
public:
[[nodiscard]] QString doubleToString(double d,
int precision = -1,
DoubleForm form = DFSignificantDigits,
int width = -1,
unsigned flags = NoFlags) const;
[[nodiscard]] QString longLongToString(qint64 l, int precision = -1,
int base = 10,
int width = -1,
unsigned flags = NoFlags) const;
[[nodiscard]] QString unsLongLongToString(quint64 l, int precision = -1,
int base = 10,
int width = -1,
unsigned flags = NoFlags) const;
// this function is meant to be called with the result of stringToDouble or bytearrayToDouble
// so *ok must have been properly set (if not null)
[[nodiscard]] static float convertDoubleToFloat(double d, bool *ok)
{
float result;
bool b = convertDoubleTo<float>(d, &result);
if (ok && *ok)
*ok = b;
return result;
}
[[nodiscard]] double stringToDouble(QStringView str, bool *ok,
QLocale::NumberOptions options) const;
[[nodiscard]] QSimpleParsedNumber<qint64>
stringToLongLong(QStringView str, int base, QLocale::NumberOptions options) const;
[[nodiscard]] QSimpleParsedNumber<quint64>
stringToUnsLongLong(QStringView str, int base, QLocale::NumberOptions options) const;
// this function is used in QIntValidator (QtGui)
[[nodiscard]] Q_CORE_EXPORT
static QSimpleParsedNumber<qint64> bytearrayToLongLong(QByteArrayView num, int base);
[[nodiscard]] static QSimpleParsedNumber<quint64>
bytearrayToUnsLongLong(QByteArrayView num, int base);
[[nodiscard]] bool numberToCLocale(QStringView s, QLocale::NumberOptions number_options,
NumberMode mode, CharBuff *result) const;
struct NumericData
{
#ifndef QT_NO_SYSTEMLOCALE
// Only used for the system locale, to store data for the view to look at:
QString sysDecimal, sysGroup, sysMinus, sysPlus;
#endif
QStringView decimal, group, minus, plus, exponent;
const GroupSizes grouping;
char32_t zeroUcs = 0;
qint8 zeroLen = 0;
bool exponentCyrillic = false; // True only for floating-point parsing of Cyrillic.
const bool isC; // C locale sets this and nothing else.
void setZero(QStringView zero)
{
Q_PRE(!isC);
// No known locale has digits that are more than one Unicode
// code-point, so we can safely deal with digits as plain char32_t.
switch (zero.size()) {
case 1:
Q_ASSERT(!zero.at(0).isSurrogate());
zeroUcs = zero.at(0).unicode();
Q_ASSERT(!QChar::requiresSurrogates(zeroUcs + 9));
zeroLen = 1;
break;
case 2:
Q_ASSERT(zero.at(0).isHighSurrogate());
Q_ASSERT(zero.at(1).isLowSurrogate());
zeroUcs = QChar::surrogateToUcs4(zero.at(0), zero.at(1));
Q_ASSERT(QChar::requiresSurrogates(zeroUcs));
zeroLen = 2;
break;
default:
Q_ASSERT(zero.size() == 0); // i.e. we got no value to use
break;
}
}
Q_NODISCARD_CTOR Q_AUTOTEST_EXPORT
NumericData(const QLocaleData *data, QLocaleData::NumberMode mode);
[[nodiscard]] qsizetype zeroWidth() const { return isC ? 1 : zeroLen; }
[[nodiscard]] const GroupSizes &groupSizes() const { return grouping; }
[[nodiscard]] bool isValid(NumberMode mode) const // Asserted as a sanity check.
{
if (isC)
return true;
if (exponentCyrillic && exponent != u"E" && exponent != u"\u0415")
return false;
return (zeroLen == 1 || zeroLen == 2) && zeroUcs > 0
&& (mode == IntegerMode || !decimal.isEmpty())
// group may be empty (user config in system locale)
&& !minus.isEmpty() && !plus.isEmpty()
&& (mode != DoubleScientificMode || !exponent.isEmpty());
}
[[nodiscard]] qint8 digitValue(char32_t digit) const
{
// Compute locale-appropriate digit value (or -1)
if (!isC && zeroUcs != U'0') {
// Must match qlocale_tools_p.h's unicodeForDigit().
if (digit == zeroUcs || zeroUcs != U'\u3007') {
if (qint32 ans = digit - zeroUcs; 0 <= ans && ans <= 9)
return qint8(ans);
} else if (digit > U'\u3020') {
if (qint32 ans = digit - U'\u3020'; 0 <= ans && ans <= 9)
return qint8(ans);
}
// Accepting ASCII with zeroLen != 1 would mess up code that
// assumes consistent digit width.
if (zeroLen != 1)
return -1;
}
qint32 ans = digit - U'0';
return qint8(0 <= ans && ans <= 9 ? ans : -1);
}
[[nodiscard]] bool fractionalIsGroup() const
{
// True precisely if fractional part separator and digit-grouping
// separator are the same. This can happen due to user
// mis-configuration. (Our CLDR-digestion scripts check against CLDR
// having such clashes.)
// For C locale we don't store separators, we just know them.
return Q_UNLIKELY(!isC && group == decimal);
}
};
struct DigitSequence
{
QByteArray digits; // ASCII digits
// Indices of (starts of) digits and the index just after the last digit:
QList<qsizetype> digitBounds;
// digits.sliced(n, m), a.k.a. digits.first(n+m).sliced(n), comes from
// text.first(digitBounds(n+m)).sliced(digitBounds[n])
char sign = '\0'; // '\0' for unspecified, or '-' or '+' if specified.
enum class Option {
Default = 0,
AllowSign = 1,
};
Q_DECLARE_FLAGS(Options, Option);
Q_AUTOTEST_EXPORT // All the hard work is in this constructor:
DigitSequence(QStringView text, NumericData &&numeric,
DigitSequence::Options flags = DigitSequence::Option::Default,
qsizetype from = 0);
DigitSequence(const DigitSequence &) = default;
DigitSequence(DigitSequence &&) = default;
DigitSequence &operator=(const DigitSequence &) = default;
DigitSequence &operator=(DigitSequence &&) = default;
~DigitSequence() = default;
// Where in text did the parse end:
qsizetype endIndex() const
{
return digitBounds.back();
}
// How many ASCII characters the sequence transcribes to:
qsizetype size() const
{
return digits.size() + (hasSign() ? 1 : 0);
}
bool isEmpty() const { return size() == 0; }
bool hasSign() const { return sign != '\0'; }
void transcribeTo(CharBuff *buff) const
{
if (sign)
buff->append(sign);
buff->append(digits.constData(), digits.size());
}
// Subsequences (for when partitioning among fields).
// Sign, when present, is treated as entry 0, bumping digit indices up by 1.
// Generally, first(c) and sliced(c) abut but don't overlap.
DigitSequence first(qsizetype count) const
{
Q_PRE(count >= 0);
Q_PRE(count <= size());
const qsizetype n = hasSign() ? count - 1 : count;
// Stop at end of last included (sign or) digit:
return { digits.first(n), digitBounds.first(n + 1), count ? sign : '\0' };
}
DigitSequence last(qsizetype count) const
{ return sliced(size() - count); }
DigitSequence sliced(qsizetype from) const
{
Q_PRE(from >= 0);
Q_PRE(from <= size());
const qsizetype n = hasSign() ? from - 1 : from;
Q_ASSERT(n <= digits.size());
return { digits.sliced(n), digitBounds.sliced(n), from ? '\0' : sign };
}
DigitSequence sliced(qsizetype from, qsizetype count) const
{ return sliced(from).first(count); }
// Portion of the view from which it was constructed:
[[nodiscard]] QStringView used(const QStringView text, qsizetype from) const
{ return text.first(endIndex()).sliced(from); }
[[nodiscard]] QStringView used(const QStringView text) const // digits-only:
{ return text.first(digitBounds.back()).sliced(digitBounds.front()); }
// (can apply to the first()/last()/sliced() of the result of parsing)
private:
// Used by first(), sliced():
DigitSequence(QByteArray &&digs, QList<qsizetype> &&bounds, char sgn)
: digits(std::move(digs)), digitBounds(std::move(bounds)), sign(sgn)
{
}
};
[[nodiscard]]
DigitSequence digitSequence(QStringView text,
DigitSequence::Options flags = DigitSequence::Option::Default,
qsizetype from = 0) const
{ return DigitSequence(text, NumericData(this, IntegerMode), flags, from); }
// this function is used in QIntValidator (QtGui)
[[nodiscard]] Q_CORE_EXPORT ParsingResult
validateChars(QStringView str, NumberMode numMode, int decDigits = -1,
QLocale::NumberOptions number_options = QLocale::DefaultNumberOptions) const;
// Access to assorted data members:
[[nodiscard]] QLocaleId id() const
{ return QLocaleId { m_language_id, m_script_id, m_territory_id }; }
[[nodiscard]] QString decimalPoint() const;
[[nodiscard]] QString groupSeparator() const;
[[nodiscard]] QString listSeparator() const;
[[nodiscard]] QString percentSign() const;
[[nodiscard]] QString zeroDigit() const;
[[nodiscard]] Q_AUTOTEST_EXPORT char32_t zeroUcs() const;
[[nodiscard]] QString positiveSign() const;
[[nodiscard]] QString negativeSign() const;
[[nodiscard]] QString exponentSeparator() const;
[[nodiscard]] Q_CORE_EXPORT GroupSizes groupSizes() const;
struct DataRange
{
using Index = quint32;
Index offset; // Some zone data tables are big.
Index size; // (for consistency and to avoid struct-padding)
[[nodiscard]] QString getData(const char16_t *table) const
{
return size > 0
? QString::fromRawData(stringStart(table), stringSize())
: QString();
}
[[nodiscard]] QStringView viewData(const char16_t *table) const
{
return { stringStart(table), stringSize() };
}
[[nodiscard]] QString getListEntry(const char16_t *table, qsizetype index) const
{
return listEntry(table, index).getData(table);
}
[[nodiscard]] QStringView viewListEntry(const char16_t *table, qsizetype index) const
{
return listEntry(table, index).viewData(table);
}
[[nodiscard]] char32_t ucsFirst(const char16_t *table) const
{
if (size && !QChar::isSurrogate(table[offset]))
return table[offset];
if (size > 1 && QChar::isHighSurrogate(table[offset]))
return QChar::surrogateToUcs4(table[offset], table[offset + 1]);
return 0;
}
private:
[[nodiscard]] const QChar *stringStart(const char16_t *table) const
{
return reinterpret_cast<const QChar *>(table + offset);
}
[[nodiscard]] qsizetype stringSize() const
{
// On 32-bit platforms, this is a narrowing cast, but the size has
// always come from an 8-bit or 16-bit table value so can't actually
// have a problem with that.
qsizetype result = static_cast<qsizetype>(size);
Q_ASSERT(result >= 0);
return result;
}
[[nodiscard]] DataRange listEntry(const char16_t *table, qsizetype index) const
{
constexpr char16_t separator = u';';
Index i = 0;
while (index > 0 && i < size) {
if (table[offset + i] == separator)
index--;
i++;
}
Index end = i;
while (end < size && table[offset + end] != separator)
end++;
return { offset + i, end - i };
}
};
#define ForEachQLocaleRange(X) \
X(startListPattern) X(midListPattern) X(endListPattern) X(pairListPattern) X(listDelimit) \
X(decimalSeparator) X(groupDelim) X(percent) X(zero) X(minus) X(plus) X(exponential) \
X(quoteStart) X(quoteEnd) X(quoteStartAlternate) X(quoteEndAlternate) \
X(longDateFormat) X(shortDateFormat) X(longTimeFormat) X(shortTimeFormat) \
X(longDayNamesStandalone) X(longDayNames) \
X(shortDayNamesStandalone) X(shortDayNames) \
X(narrowDayNamesStandalone) X(narrowDayNames) \
X(anteMeridiem) X(postMeridiem) \
X(byteCount) X(byteAmountSI) X(byteAmountIEC) \
X(currencySymbol) X(currencyDisplayName) \
X(currencyFormat) X(currencyFormatNegative) \
X(endonymLanguage) X(endonymTerritory)
#define rangeGetter(name) \
[[nodiscard]] DataRange name() const { return { m_ ## name ## _idx, m_ ## name ## _size }; }
ForEachQLocaleRange(rangeGetter)
#undef rangeGetter
public:
quint16 m_language_id, m_script_id, m_territory_id;
// Offsets, then sizes, for each range:
#define rangeIndex(name) quint16 m_ ## name ## _idx;
ForEachQLocaleRange(rangeIndex)
#undef rangeIndex
#define Size(name) quint8 m_ ## name ## _size;
ForEachQLocaleRange(Size)
#undef Size
#undef ForEachQLocaleRange
// Strays:
char m_currency_iso_code[3];
quint8 m_currency_digits : 2;
quint8 m_currency_rounding : 3; // (not yet used !)
quint8 m_first_day_of_week : 3;
quint8 m_weekend_start : 3;
quint8 m_weekend_end : 3;
quint8 m_grouping_first : 2; // Don't group until more significant group has this many digits.
quint8 m_grouping_higher : 3; // Number of digits between grouping separators
quint8 m_grouping_least : 3; // Number of digits after last grouping separator (before decimal).
};
Q_DECLARE_OPERATORS_FOR_FLAGS(QLocaleData::DigitSequence::Options)
Q_DECLARE_TYPEINFO(QLocaleData::GroupSizes, Q_PRIMITIVE_TYPE);
class QLocalePrivate
{
public:
constexpr QLocalePrivate(const QLocaleData *data, qsizetype index,
QLocale::NumberOptions numberOptions = QLocale::DefaultNumberOptions,
int refs = 0)
: m_data(data), ref Q_BASIC_ATOMIC_INITIALIZER(refs),
m_index(index), m_numberOptions(numberOptions) {}
[[nodiscard]] quint16 languageId() const { return m_data->m_language_id; }
[[nodiscard]] quint16 territoryId() const { return m_data->m_territory_id; }
[[nodiscard]] QByteArray bcp47Name(char separator = '-') const;
[[nodiscard]] inline std::array<char, 4>
languageCode(QLocale::LanguageCodeTypes codeTypes = QLocale::AnyLanguageCode) const
{
return languageToCode(QLocale::Language(m_data->m_language_id), codeTypes);
}
[[nodiscard]] inline QLatin1StringView scriptCode() const
{ return scriptToCode(QLocale::Script(m_data->m_script_id)); }
[[nodiscard]] inline QLatin1StringView territoryCode() const
{ return territoryToCode(QLocale::Territory(m_data->m_territory_id)); }
[[nodiscard]] static const QLocalePrivate *get(const QLocale &l) { return l.d; }
[[nodiscard]] static std::array<char, 4>
languageToCode(QLocale::Language language,
QLocale::LanguageCodeTypes codeTypes = QLocale::AnyLanguageCode);
[[nodiscard]] static QLatin1StringView scriptToCode(QLocale::Script script);
[[nodiscard]] static QLatin1StringView territoryToCode(QLocale::Territory territory);
[[nodiscard]] static QLocale::Language
codeToLanguage(QStringView code,
QLocale::LanguageCodeTypes codeTypes = QLocale::AnyLanguageCode) noexcept;
[[nodiscard]] static QLocale::Script codeToScript(QStringView code) noexcept;
[[nodiscard]] static QLocale::Territory codeToTerritory(QStringView code) noexcept;
[[nodiscard]] QLocale::MeasurementSystem measurementSystem() const;
[[nodiscard]] QString toUpper(const QString &str, bool *ok) const;
[[nodiscard]] QString toLower(const QString &str, bool *ok) const;
// System locale has an m_data all its own; all others have m_data = locale_data + m_index
const QLocaleData *const m_data;
QBasicAtomicInt ref;
qsizetype m_index; // System locale needs this updated when m_data->id() changes.
QLocale::NumberOptions m_numberOptions;
static QBasicAtomicInt s_generation;
};
#ifndef QT_NO_SYSTEMLOCALE
qsizetype QSystemLocale::fallbackLocaleIndex() const { return fallbackLocale().d->m_index; }
#endif
template <>
inline QLocalePrivate *QSharedDataPointer<QLocalePrivate>::clone()
{
// cannot use QLocalePrivate's copy constructor
// since it is deleted in C++11
return new QLocalePrivate(d->m_data, d->m_index, d->m_numberOptions);
}
// Also used to merely skip over an escape in a format string, advancint idx to
// point after it (so not [[nodiscard]]):
QString qt_readEscapedFormatString(QStringView format, qsizetype *idx);
[[nodiscard]] bool qt_splitLocaleName(QStringView name, QStringView *lang = nullptr,
QStringView *script = nullptr,
QStringView *cntry = nullptr) noexcept;
[[nodiscard]] constexpr inline bool ascii_isspace(uchar c) noexcept
{
constexpr auto matcher = QtPrivate::makeCharacterSetMatch<QtPrivate::ascii_space_chars>();
return matcher.matches(c);
}
QT_END_NAMESPACE
// ### move to qnamespace.h
QT_DECL_METATYPE_EXTERN_TAGGED(QList<Qt::DayOfWeek>, QList_Qt__DayOfWeek, Q_CORE_EXPORT)
#ifndef QT_NO_SYSTEMLOCALE
QT_DECL_METATYPE_EXTERN_TAGGED(QSystemLocale::CurrencyToStringArgument,
QSystemLocale__CurrencyToStringArgument, Q_CORE_EXPORT)
#endif
#endif // QLOCALE_P_H