diff options
Diffstat (limited to 'src/corelib/tools')
25 files changed, 736 insertions, 356 deletions
diff --git a/src/corelib/tools/qbitarray.h b/src/corelib/tools/qbitarray.h index 60cdc9c..bd79904 100644 --- a/src/corelib/tools/qbitarray.h +++ b/src/corelib/tools/qbitarray.h @@ -63,6 +63,10 @@ public: explicit QBitArray(int size, bool val = false); QBitArray(const QBitArray &other) : d(other.d) {} inline QBitArray &operator=(const QBitArray &other) { d = other.d; return *this; } +#ifdef Q_COMPILER_RVALUE_REFS + inline QBitArray &operator=(QBitArray &&other) + { qSwap(d, other.d); return *this; } +#endif inline int size() const { return (d.size() << 3) - *d.constData(); } inline int count() const { return (d.size() << 3) - *d.constData(); } diff --git a/src/corelib/tools/qbytearray.cpp b/src/corelib/tools/qbytearray.cpp index 3062c4a..6be3416 100644 --- a/src/corelib/tools/qbytearray.cpp +++ b/src/corelib/tools/qbytearray.cpp @@ -46,7 +46,6 @@ #include "qlist.h" #include "qlocale.h" #include "qlocale_p.h" -#include "qunicodetables_p.h" #include "qscopedpointer.h" #include <qdatastream.h> @@ -854,7 +853,7 @@ QByteArray::Data QByteArray::shared_empty = { Q_BASIC_ATOMIC_INITIALIZER(1), This operation takes \l{constant time}, because QByteArray is \l{implicitly shared}. This makes returning a QByteArray from a function very fast. If a shared instance is modified, it will be - copied (copy-on-write), and that takes \l{linear time}. + copied (copy-on-write), taking \l{linear time}. \sa operator=() */ @@ -1190,10 +1189,18 @@ void QByteArray::chop(int n) Example: \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 12 - This operation is typically very fast (\l{constant time}), - because QByteArray preallocates extra space at the end of the - character data so it can grow without reallocating the entire - data each time. + Note: QByteArray is an \l{implicitly shared} class. Consequently, + if \e this is an empty QByteArray, then \e this will just share + the data held in \a ba. In this case, no copying of data is done, + taking \l{constant time}. If a shared instance is modified, it will + be copied (copy-on-write), taking \l{linear time}. + + If \e this is not an empty QByteArray, a deep copy of the data is + performed, taking \l{linear time}. + + This operation typically does not suffer from allocation overhead, + because QByteArray preallocates extra space at the end of the data + so that it may grow without reallocating for each append operation. \sa append(), prepend() */ @@ -1478,7 +1485,12 @@ QByteArray QByteArray::nulTerminated() const Note: QByteArray is an \l{implicitly shared} class. Consequently, if \e this is an empty QByteArray, then \e this will just share - the data held in \a ba. In this case, no copying of data is done. + the data held in \a ba. In this case, no copying of data is done, + taking \l{constant time}. If a shared instance is modified, it will + be copied (copy-on-write), taking \l{linear time}. + + If \e this is not an empty QByteArray, a deep copy of the data is + performed, taking \l{linear time}. \sa append(), insert() */ @@ -1551,14 +1563,18 @@ QByteArray &QByteArray::prepend(char ch) This is the same as insert(size(), \a ba). - This operation is typically very fast (\l{constant time}), - because QByteArray preallocates extra space at the end of the - character data so it can grow without reallocating the entire - data each time. - Note: QByteArray is an \l{implicitly shared} class. Consequently, if \e this is an empty QByteArray, then \e this will just share - the data held in \a ba. In this case, no copying of data is done. + the data held in \a ba. In this case, no copying of data is done, + taking \l{constant time}. If a shared instance is modified, it will + be copied (copy-on-write), taking \l{linear time}. + + If \e this is not an empty QByteArray, a deep copy of the data is + performed, taking \l{linear time}. + + This operation typically does not suffer from allocation overhead, + because QByteArray preallocates extra space at the end of the data + so that it may grow without reallocating for each append operation. \sa operator+=(), prepend(), insert() */ diff --git a/src/corelib/tools/qbytearray.h b/src/corelib/tools/qbytearray.h index a3fe3f5..3cdcaab 100644 --- a/src/corelib/tools/qbytearray.h +++ b/src/corelib/tools/qbytearray.h @@ -144,6 +144,10 @@ public: QByteArray &operator=(const QByteArray &); QByteArray &operator=(const char *str); +#ifdef Q_COMPILER_RVALUE_REFS + inline QByteArray &operator=(QByteArray &&other) + { qSwap(d, other.d); return *this; } +#endif inline int size() const; bool isEmpty() const; diff --git a/src/corelib/tools/qchar.cpp b/src/corelib/tools/qchar.cpp index ed0af4e..bb777cd 100644 --- a/src/corelib/tools/qchar.cpp +++ b/src/corelib/tools/qchar.cpp @@ -1630,21 +1630,4 @@ static void canonicalOrderHelper(QString *str, QChar::UnicodeVersion version, in } } -int QT_FASTCALL QUnicodeTables::script(unsigned int uc) -{ - if (uc > 0xffff) - return Common; - int script = uc_scripts[uc >> 7]; - if (script < ScriptSentinel) - return script; - script = (((script - ScriptSentinel) * UnicodeBlockSize) + UnicodeBlockCount); - script = uc_scripts[script + (uc & 0x7f)]; - return script; -} - -Q_CORE_EXPORT QUnicodeTables::LineBreakClass QT_FASTCALL QUnicodeTables::lineBreakClass(uint ucs4) -{ - return (QUnicodeTables::LineBreakClass) qGetProp(ucs4)->line_break_class; -} - QT_END_NAMESPACE diff --git a/src/corelib/tools/qcontiguouscache.h b/src/corelib/tools/qcontiguouscache.h index f767962..4c1a846 100644 --- a/src/corelib/tools/qcontiguouscache.h +++ b/src/corelib/tools/qcontiguouscache.h @@ -110,6 +110,10 @@ public: inline void setSharable(bool sharable) { if (!sharable) detach(); d->sharable = sharable; } QContiguousCache<T> &operator=(const QContiguousCache<T> &other); +#ifdef Q_COMPILER_RVALUE_REFS + inline QContiguousCache<T> &operator=(QContiguousCache<T> &&other) + { qSwap(d, other.d); return *this; } +#endif bool operator==(const QContiguousCache<T> &other) const; inline bool operator!=(const QContiguousCache<T> &other) const { return !(*this == other); } diff --git a/src/corelib/tools/qcryptographichash.cpp b/src/corelib/tools/qcryptographichash.cpp index f418de9..043d6a3 100644 --- a/src/corelib/tools/qcryptographichash.cpp +++ b/src/corelib/tools/qcryptographichash.cpp @@ -147,7 +147,7 @@ void QCryptographicHash::addData(const char *data, int length) } /*! - /overload + \overload addData() */ void QCryptographicHash::addData(const QByteArray &data) { diff --git a/src/corelib/tools/qeasingcurve.cpp b/src/corelib/tools/qeasingcurve.cpp index ee791e0..7fe9170 100644 --- a/src/corelib/tools/qeasingcurve.cpp +++ b/src/corelib/tools/qeasingcurve.cpp @@ -332,7 +332,7 @@ public: enum Type { In, Out, InOut, OutIn }; QEasingCurveFunction(QEasingCurveFunction::Type type = In, qreal period = 0.3, qreal amplitude = 1.0, - qreal overshoot = 1.70158f) + qreal overshoot = 1.70158) : _t(type), _p(period), _a(amplitude), _o(overshoot) { } virtual ~QEasingCurveFunction() {} @@ -359,9 +359,9 @@ QEasingCurveFunction *QEasingCurveFunction::copy() const bool QEasingCurveFunction::operator==(const QEasingCurveFunction& other) { return _t == other._t && - _p == other._p && - _a == other._a && - _o == other._o; + qFuzzyCompare(_p, other._p) && + qFuzzyCompare(_a, other._a) && + qFuzzyCompare(_o, other._o); } QT_BEGIN_INCLUDE_NAMESPACE @@ -400,8 +400,8 @@ struct ElasticEase : public QEasingCurveFunction qreal value(qreal t) { - qreal p = (_p < 0) ? 0.3f : _p; - qreal a = (_a < 0) ? 1.0f : _a; + qreal p = (_p < 0) ? qreal(0.3) : _p; + qreal a = (_a < 0) ? qreal(1.0) : _a; switch(_t) { case In: return easeInElastic(t, a, p); @@ -420,7 +420,7 @@ struct ElasticEase : public QEasingCurveFunction struct BounceEase : public QEasingCurveFunction { BounceEase(Type type) - : QEasingCurveFunction(type, 0.3f, 1.0f) + : QEasingCurveFunction(type, qreal(0.3), qreal(1.0)) { } QEasingCurveFunction *copy() const @@ -432,7 +432,7 @@ struct BounceEase : public QEasingCurveFunction qreal value(qreal t) { - qreal a = (_a < 0) ? 1.0f : _a; + qreal a = (_a < 0) ? qreal(1.0) : _a; switch(_t) { case In: return easeInBounce(t, a); @@ -451,7 +451,7 @@ struct BounceEase : public QEasingCurveFunction struct BackEase : public QEasingCurveFunction { BackEase(Type type) - : QEasingCurveFunction(type, 0.3f, 1.0f, 1.70158f) + : QEasingCurveFunction(type, qreal(0.3), qreal(1.0), qreal(1.70158)) { } QEasingCurveFunction *copy() const @@ -463,7 +463,7 @@ struct BackEase : public QEasingCurveFunction qreal value(qreal t) { - qreal o = (_o < 0) ? 1.70158f : _o; + qreal o = (_o < 0) ? qreal(1.70158) : _o; switch(_t) { case In: return easeInBack(t, o); @@ -595,7 +595,7 @@ static QEasingCurveFunction *curveToFunctionObject(QEasingCurve::Type type) curveFunc = new BackEase(BackEase::OutIn); break; default: - curveFunc = new QEasingCurveFunction(QEasingCurveFunction::In, 0.3f, 1.0f, 1.70158f); // ### + curveFunc = new QEasingCurveFunction(QEasingCurveFunction::In, qreal(0.3), qreal(1.0), qreal(1.70158)); } return curveFunc; @@ -657,9 +657,17 @@ bool QEasingCurve::operator==(const QEasingCurve &other) const { bool res = d_ptr->func == other.d_ptr->func && d_ptr->type == other.d_ptr->type; - if (res && d_ptr->config && other.d_ptr->config) { + if (res) { + if (d_ptr->config && other.d_ptr->config) { // catch the config content - res = d_ptr->config->operator==(*(other.d_ptr->config)); + res = d_ptr->config->operator==(*(other.d_ptr->config)); + + } else if (d_ptr->config || other.d_ptr->config) { + // one one has a config object, which could contain default values + res = qFuzzyCompare(amplitude(), other.amplitude()) && + qFuzzyCompare(period(), other.period()) && + qFuzzyCompare(overshoot(), other.overshoot()); + } } return res; } @@ -681,7 +689,7 @@ bool QEasingCurve::operator==(const QEasingCurve &other) const */ qreal QEasingCurve::amplitude() const { - return d_ptr->config ? d_ptr->config->_a : 1.0; + return d_ptr->config ? d_ptr->config->_a : qreal(1.0); } /*! @@ -705,7 +713,7 @@ void QEasingCurve::setAmplitude(qreal amplitude) */ qreal QEasingCurve::period() const { - return d_ptr->config ? d_ptr->config->_p : 0.3; + return d_ptr->config ? d_ptr->config->_p : qreal(0.3); } /*! @@ -729,7 +737,7 @@ void QEasingCurve::setPeriod(qreal period) */ qreal QEasingCurve::overshoot() const { - return d_ptr->config ? d_ptr->config->_o : 1.70158f; + return d_ptr->config ? d_ptr->config->_o : qreal(1.70158) ; } /*! diff --git a/src/corelib/tools/qelapsedtimer_unix.cpp b/src/corelib/tools/qelapsedtimer_unix.cpp index 2c4ea58..633fa00 100644 --- a/src/corelib/tools/qelapsedtimer_unix.cpp +++ b/src/corelib/tools/qelapsedtimer_unix.cpp @@ -40,22 +40,58 @@ ****************************************************************************/ #include "qelapsedtimer.h" -#include "qpair.h" #include <sys/time.h> #include <time.h> #include <unistd.h> -#if !defined(QT_NO_CLOCK_MONOTONIC) -# if defined(QT_BOOTSTRAPPED) -# define QT_NO_CLOCK_MONOTONIC +#if defined(QT_NO_CLOCK_MONOTONIC) || defined(QT_BOOTSTRAPPED) +// turn off the monotonic clock +# ifdef _POSIX_MONOTONIC_CLOCK +# undef _POSIX_MONOTONIC_CLOCK # endif +# define _POSIX_MONOTONIC_CLOCK -1 #endif QT_BEGIN_NAMESPACE -static qint64 fractionAdjustment() +#if (_POSIX_MONOTONIC_CLOCK-0 != 0) +static const bool monotonicClockChecked = true; +static const bool monotonicClockAvailable = _POSIX_MONOTONIC_CLOCK > 0; +#else +static int monotonicClockChecked = false; +static int monotonicClockAvailable = false; +#endif + +#ifdef Q_CC_GNU +# define is_likely(x) __builtin_expect((x), 1) +#else +# define is_likely(x) (x) +#endif +#define load_acquire(x) ((volatile const int&)(x)) +#define store_release(x,v) ((volatile int&)(x) = (v)) + +static void unixCheckClockType() +{ +#if (_POSIX_MONOTONIC_CLOCK-0 == 0) + if (is_likely(load_acquire(monotonicClockChecked))) + return; + +# if defined(_SC_MONOTONIC_CLOCK) + // detect if the system support monotonic timers + long x = sysconf(_SC_MONOTONIC_CLOCK); + store_release(monotonicClockAvailable, x >= 200112L); +# endif + + store_release(monotonicClockChecked, true); +#endif +} + +static inline qint64 fractionAdjustment() { - if (QElapsedTimer::isMonotonic()) { + // disabled, but otherwise indicates bad usage of QElapsedTimer + //Q_ASSERT(monotonicClockChecked); + + if (monotonicClockAvailable) { // the monotonic timer is measured in nanoseconds // 1 ms = 1000000 ns return 1000*1000ull; @@ -68,90 +104,73 @@ static qint64 fractionAdjustment() bool QElapsedTimer::isMonotonic() { -#if (_POSIX_MONOTONIC_CLOCK-0 > 0) - return true; -#else - static int returnValue = 0; - - if (returnValue == 0) { -# if (_POSIX_MONOTONIC_CLOCK-0 < 0) || !defined(_SC_MONOTONIC_CLOCK) - returnValue = -1; -# elif (_POSIX_MONOTONIC_CLOCK == 0) - // detect if the system support monotonic timers - long x = sysconf(_SC_MONOTONIC_CLOCK); - returnValue = (x >= 200112L) ? 1 : -1; -# endif - } - - return returnValue != -1; -#endif + unixCheckClockType(); + return monotonicClockAvailable; } QElapsedTimer::ClockType QElapsedTimer::clockType() { - return isMonotonic() ? MonotonicClock : SystemTime; + unixCheckClockType(); + return monotonicClockAvailable ? MonotonicClock : SystemTime; } -static inline QPair<long, long> do_gettime() +static inline void do_gettime(qint64 *sec, qint64 *frac) { -#if (_POSIX_MONOTONIC_CLOCK-0 > 0) - timespec ts; - clock_gettime(CLOCK_MONOTONIC, &ts); - return qMakePair<long,long>(ts.tv_sec, ts.tv_nsec); -#else -# if !defined(QT_NO_CLOCK_MONOTONIC) && !defined(QT_BOOTSTRAPPED) - if (QElapsedTimer::isMonotonic()) { +#if (_POSIX_MONOTONIC_CLOCK-0 >= 0) + unixCheckClockType(); + if (is_likely(monotonicClockAvailable)) { timespec ts; clock_gettime(CLOCK_MONOTONIC, &ts); - return qMakePair<long,long>(ts.tv_sec, ts.tv_nsec); + *sec = ts.tv_sec; + *frac = ts.tv_nsec; + return; } -# endif +#endif // use gettimeofday timeval tv; ::gettimeofday(&tv, 0); - return qMakePair<long,long>(tv.tv_sec, tv.tv_usec); -#endif + *sec = tv.tv_sec; + *frac = tv.tv_usec; } // used in qcore_unix.cpp and qeventdispatcher_unix.cpp timeval qt_gettime() { - QPair<long, long> r = do_gettime(); + qint64 sec, frac; + do_gettime(&sec, &frac); timeval tv; - tv.tv_sec = r.first; - tv.tv_usec = r.second; - if (QElapsedTimer::isMonotonic()) + tv.tv_sec = sec; + tv.tv_usec = frac; + if (monotonicClockAvailable) tv.tv_usec /= 1000; return tv; } +static qint64 elapsedAndRestart(qint64 sec, qint64 frac, + qint64 *nowsec, qint64 *nowfrac) +{ + do_gettime(nowsec, nowfrac); + sec = *nowsec - sec; + frac = *nowfrac - frac; + return sec * Q_INT64_C(1000) + frac / fractionAdjustment(); +} + void QElapsedTimer::start() { - QPair<long, long> r = do_gettime(); - t1 = r.first; - t2 = r.second; + do_gettime(&t1, &t2); } qint64 QElapsedTimer::restart() { - QPair<long, long> r = do_gettime(); - qint64 oldt1 = t1; - qint64 oldt2 = t2; - t1 = r.first; - t2 = r.second; - - r.first -= oldt1; - r.second -= oldt2; - return r.first * Q_INT64_C(1000) + r.second / fractionAdjustment(); + return elapsedAndRestart(t1, t2, &t1, &t2); } qint64 QElapsedTimer::elapsed() const { - QElapsedTimer now; - now.start(); - return msecsTo(now); + qint64 sec, frac; + return elapsedAndRestart(t1, t2, &sec, &frac); } qint64 QElapsedTimer::msecsSinceReference() const diff --git a/src/corelib/tools/qhash.h b/src/corelib/tools/qhash.h index 360f99d..992ff33 100644 --- a/src/corelib/tools/qhash.h +++ b/src/corelib/tools/qhash.h @@ -283,6 +283,10 @@ public: inline ~QHash() { if (!d->ref.deref()) freeData(d); } QHash<Key, T> &operator=(const QHash<Key, T> &other); +#ifdef Q_COMPILER_RVALUE_REFS + inline QHash<Key, T> &operator=(QHash<Key, T> &&other) + { qSwap(d, other.d); return *this; } +#endif bool operator==(const QHash<Key, T> &other) const; inline bool operator!=(const QHash<Key, T> &other) const { return !(*this == other); } @@ -586,10 +590,11 @@ template <class Key, class T> Q_INLINE_TEMPLATE QHash<Key, T> &QHash<Key, T>::operator=(const QHash<Key, T> &other) { if (d != other.d) { - other.d->ref.ref(); + QHashData *o = other.d; + o->ref.ref(); if (!d->ref.deref()) freeData(d); - d = other.d; + d = o; if (!d->sharable) detach_helper(); } diff --git a/src/corelib/tools/qlinkedlist.h b/src/corelib/tools/qlinkedlist.h index d145fe3..c087944 100644 --- a/src/corelib/tools/qlinkedlist.h +++ b/src/corelib/tools/qlinkedlist.h @@ -85,6 +85,10 @@ public: inline QLinkedList(const QLinkedList<T> &l) : d(l.d) { d->ref.ref(); if (!d->sharable) detach(); } ~QLinkedList(); QLinkedList<T> &operator=(const QLinkedList<T> &); +#ifdef Q_COMPILER_RVALUE_REFS + inline QLinkedList<T> &operator=(QLinkedList<T> &&other) + { qSwap(d, other.d); return *this; } +#endif bool operator==(const QLinkedList<T> &l) const; inline bool operator!=(const QLinkedList<T> &l) const { return !(*this == l); } @@ -312,10 +316,11 @@ template <typename T> QLinkedList<T> &QLinkedList<T>::operator=(const QLinkedList<T> &l) { if (d != l.d) { - l.d->ref.ref(); + QLinkedListData *o = l.d; + o->ref.ref(); if (!d->ref.deref()) free(d); - d = l.d; + d = o; if (!d->sharable) detach_helper(); } diff --git a/src/corelib/tools/qlist.h b/src/corelib/tools/qlist.h index 99c9795..8f988d6 100644 --- a/src/corelib/tools/qlist.h +++ b/src/corelib/tools/qlist.h @@ -50,6 +50,10 @@ #include <iterator> #include <list> #endif +#ifdef Q_COMPILER_INITIALIZER_LISTS +#include <iterator> +#include <initializer_list> +#endif #include <new> #include <limits.h> @@ -118,6 +122,14 @@ public: inline QList(const QList<T> &l) : d(l.d) { d->ref.ref(); if (!d->sharable) detach_helper(); } ~QList(); QList<T> &operator=(const QList<T> &l); +#ifdef Q_COMPILER_RVALUE_REFS + inline QList &operator=(QList &&other) + { qSwap(d, other.d); return *this; } +#endif +#ifdef Q_COMPILER_INITIALIZER_LISTS + inline QList(std::initializer_list<T> args) : d(&QListData::shared_null) + { d->ref.ref(); qCopy(args.begin(), args.end(), std::back_inserter(*this)); } +#endif bool operator==(const QList<T> &l) const; inline bool operator!=(const QList<T> &l) const { return !(*this == l); } @@ -424,10 +436,11 @@ template <typename T> Q_INLINE_TEMPLATE QList<T> &QList<T>::operator=(const QList<T> &l) { if (d != l.d) { - l.d->ref.ref(); + QListData::Data *o = l.d; + o->ref.ref(); if (!d->ref.deref()) free(d); - d = l.d; + d = o; if (!d->sharable) detach_helper(); } diff --git a/src/corelib/tools/qmap.h b/src/corelib/tools/qmap.h index 2d11613..ce8fd75 100644 --- a/src/corelib/tools/qmap.h +++ b/src/corelib/tools/qmap.h @@ -185,6 +185,10 @@ public: inline ~QMap() { if (!d) return; if (!d->ref.deref()) freeData(d); } QMap<Key, T> &operator=(const QMap<Key, T> &other); +#ifdef Q_COMPILER_RVALUE_REFS + inline QMap<Key, T> &operator=(QMap<Key, T> &&other) + { qSwap(d, other.d); return *this; } +#endif #ifndef QT_NO_STL explicit QMap(const typename std::map<Key, T> &other); std::map<Key, T> toStdMap() const; @@ -424,10 +428,11 @@ template <class Key, class T> Q_INLINE_TEMPLATE QMap<Key, T> &QMap<Key, T>::operator=(const QMap<Key, T> &other) { if (d != other.d) { - other.d->ref.ref(); + QMapData* o = other.d; + o->ref.ref(); if (!d->ref.deref()) freeData(d); - d = other.d; + d = o; if (!d->sharable) detach_helper(); } diff --git a/src/corelib/tools/qregexp.cpp b/src/corelib/tools/qregexp.cpp index 36827d0..a0df065 100644 --- a/src/corelib/tools/qregexp.cpp +++ b/src/corelib/tools/qregexp.cpp @@ -4172,6 +4172,8 @@ int QRegExp::matchedLength() const } #ifndef QT_NO_REGEXP_CAPTURE + +#ifndef QT_NO_DEPRECATED /*! \obsolete Returns the number of captures contained in the regular expression. @@ -4182,6 +4184,7 @@ int QRegExp::numCaptures() const { return captureCount(); } +#endif /*! \since 4.6 diff --git a/src/corelib/tools/qregexp.h b/src/corelib/tools/qregexp.h index e19c130..0b4a702 100644 --- a/src/corelib/tools/qregexp.h +++ b/src/corelib/tools/qregexp.h @@ -76,6 +76,10 @@ public: QRegExp(const QRegExp &rx); ~QRegExp(); QRegExp &operator=(const QRegExp &rx); +#ifdef Q_COMPILER_RVALUE_REFS + inline QRegExp &operator=(QRegExp &&other) + { qSwap(priv,other.priv); return *this; } +#endif bool operator==(const QRegExp &rx) const; inline bool operator!=(const QRegExp &rx) const { return !operator==(rx); } diff --git a/src/corelib/tools/qset.h b/src/corelib/tools/qset.h index fe50d4d..dc3c45a 100644 --- a/src/corelib/tools/qset.h +++ b/src/corelib/tools/qset.h @@ -61,6 +61,10 @@ public: inline QSet<T> &operator=(const QSet<T> &other) { q_hash = other.q_hash; return *this; } +#ifdef Q_COMPILER_RVALUE_REFS + inline QSet<T> &operator=(QSet<T> &&other) + { qSwap(q_hash, other.q_hash); return *this; } +#endif inline bool operator==(const QSet<T> &other) const { return q_hash == other.q_hash; } diff --git a/src/corelib/tools/qshareddata.h b/src/corelib/tools/qshareddata.h index 80ba7b7..b646a9d 100644 --- a/src/corelib/tools/qshareddata.h +++ b/src/corelib/tools/qshareddata.h @@ -95,9 +95,10 @@ public: if (o.d != d) { if (o.d) o.d->ref.ref(); - if (d && !d->ref.deref()) - delete d; + T *old = d; d = o.d; + if (old && !old->ref.deref()) + delete old; } return *this; } @@ -105,12 +106,17 @@ public: if (o != d) { if (o) o->ref.ref(); - if (d && !d->ref.deref()) - delete d; + T *old = d; d = o; + if (old && !old->ref.deref()) + delete old; } return *this; } +#ifdef Q_COMPILER_RVALUE_REFS + inline QSharedDataPointer<T> &operator=(QSharedDataPointer<T> &&other) + { qSwap(d, other.d); return *this; } +#endif inline bool operator!() const { return !d; } @@ -172,9 +178,10 @@ public: if (o.d != d) { if (o.d) o.d->ref.ref(); - if (d && !d->ref.deref()) - delete d; + T *old = d; d = o.d; + if (old && !old->ref.deref()) + delete old; } return *this; } @@ -182,12 +189,17 @@ public: if (o != d) { if (o) o->ref.ref(); - if (d && !d->ref.deref()) - delete d; + T *old = d; d = o; + if (old && !old->ref.deref()) + delete old; } return *this; } +#ifdef Q_COMPILER_RVALUE_REFS + inline QSharedDataPointer<T> &operator=(QSharedDataPointer<T> &&other) + { qSwap(d, other.d); return *this; } +#endif inline bool operator!() const { return !d; } diff --git a/src/corelib/tools/qsharedpointer_impl.h b/src/corelib/tools/qsharedpointer_impl.h index bb06f3a..20dda12 100644 --- a/src/corelib/tools/qsharedpointer_impl.h +++ b/src/corelib/tools/qsharedpointer_impl.h @@ -465,6 +465,13 @@ public: BaseClass::internalCopy(other); return *this; } +#ifdef Q_COMPILER_RVALUE_REFS + inline QSharedPointer<T> &operator=(QSharedPointer<T> &&other) + { + QSharedPointer<T>::internalSwap(other); + return *this; + } +#endif template <class X> inline QSharedPointer(const QSharedPointer<X> &other) : BaseClass(other) diff --git a/src/corelib/tools/qsimd.cpp b/src/corelib/tools/qsimd.cpp index 8005d7d..7babf3a 100644 --- a/src/corelib/tools/qsimd.cpp +++ b/src/corelib/tools/qsimd.cpp @@ -41,6 +41,7 @@ #include "qsimd_p.h" #include <QByteArray> +#include <stdio.h> #if defined(Q_OS_WINCE) #include <windows.h> @@ -50,15 +51,32 @@ #include <intrin.h> #endif +#if defined(Q_OS_LINUX) && defined(__arm__) +#include "private/qcore_unix_p.h" + +// the kernel header definitions for HWCAP_* +// (the ones we need/may need anyway) + +// copied from <asm/hwcap.h> (ARM) +#define HWCAP_IWMMXT 512 +#define HWCAP_CRUNCH 1024 +#define HWCAP_THUMBEE 2048 +#define HWCAP_NEON 4096 +#define HWCAP_VFPv3 8192 +#define HWCAP_VFPv3D16 16384 + +// copied from <linux/auxvec.h> +#define AT_HWCAP 16 /* arch dependent hints at CPU capabilities */ + +#endif + QT_BEGIN_NAMESPACE -uint qDetectCPUFeatures() +#if defined (Q_OS_WINCE) +static inline uint detectProcessorFeatures() { - static uint features = 0xffffffff; - if (features != 0xffffffff) - return features; + uint features = 0; -#if defined (Q_OS_WINCE) #if defined (ARM) if (IsProcessorFeaturePresent(PF_ARM_INTEL_WMMX)) { features = IWMMXT; @@ -78,77 +96,98 @@ uint qDetectCPUFeatures() #endif features = 0; return features; -#elif defined(QT_HAVE_IWMMXT) +} + +#elif defined(__arm__) || defined(__arm) || defined(QT_HAVE_IWMMXT) || defined(QT_HAVE_NEON) +static inline uint detectProcessorFeatures() +{ + uint features = 0; + +#if defined(Q_OS_LINUX) + int auxv = ::qt_safe_open("/proc/self/auxv", O_RDONLY); + if (auxv != -1) { + unsigned long vector[64]; + int nread; + while (features == 0) { + nread = ::qt_safe_read(auxv, (char *)vector, sizeof vector); + if (nread <= 0) { + // EOF or error + break; + } + + int max = nread / (sizeof vector[0]); + for (int i = 0; i < max; i += 2) + if (vector[i] == AT_HWCAP) { + if (vector[i+1] & HWCAP_IWMMXT) + features |= IWMMXT; + if (vector[i+1] & HWCAP_NEON) + features |= NEON; + break; + } + } + + ::qt_safe_close(auxv); + return features; + } + // fall back if /proc/self/auxv wasn't found +#endif + +#if defined(QT_HAVE_IWMMXT) // runtime detection only available when running as a previlegied process - static const bool doIWMMXT = !qgetenv("QT_NO_IWMMXT").toInt(); - features = doIWMMXT ? IWMMXT : 0; - return features; + features = IWMMXT; #elif defined(QT_HAVE_NEON) - static const bool doNEON = !qgetenv("QT_NO_NEON").toInt(); - features = doNEON ? NEON : 0; + features = NEON; +#endif + return features; -#else - features = 0; -#if defined(__x86_64__) || defined(Q_OS_WIN64) - features = MMX|SSE|SSE2|CMOV; -#elif defined(__ia64__) - features = MMX|SSE|SSE2; +} + #elif defined(__i386__) || defined(_M_IX86) +static inline uint detectProcessorFeatures() +{ + uint features = 0; + unsigned int extended_result = 0; unsigned int feature_result = 0; uint result = 0; /* see p. 118 of amd64 instruction set manual Vol3 */ #if defined(Q_CC_GNU) - asm ("push %%ebx\n" - "pushf\n" - "pop %%eax\n" - "mov %%eax, %%ebx\n" - "xor $0x00200000, %%eax\n" - "push %%eax\n" + long cpuid_supported, tmp1; + asm ("pushf\n" + "pop %0\n" + "mov %0, %1\n" + "xor $0x00200000, %0\n" + "push %0\n" "popf\n" "pushf\n" - "pop %%eax\n" - "xor %%edx, %%edx\n" - "xor %%ebx, %%eax\n" - "jz 1f\n" - - "mov $0x00000001, %%eax\n" - "cpuid\n" - "1:\n" - "pop %%ebx\n" - "mov %%edx, %0\n" - "mov %%ecx, %1\n" - : "=r" (result), "=r" (feature_result) - : - : "%eax", "%ecx", "%edx" - ); + "pop %0\n" + "xor %1, %0\n" // %eax is now 0 if CPUID is not supported + : "=a" (cpuid_supported), "=r" (tmp1) + ); + if (cpuid_supported) { + asm ("xchg %%ebx, %2\n" + "cpuid\n" + "xchg %%ebx, %2\n" + : "=c" (feature_result), "=d" (result), "=&r" (tmp1) + : "a" (1)); - asm ("push %%ebx\n" - "pushf\n" - "pop %%eax\n" - "mov %%eax, %%ebx\n" - "xor $0x00200000, %%eax\n" - "push %%eax\n" - "popf\n" - "pushf\n" - "pop %%eax\n" - "xor %%edx, %%edx\n" - "xor %%ebx, %%eax\n" - "jz 2f\n" + asm ("xchg %%ebx, %1\n" + "cpuid\n" + "cmp $0x80000000, %%eax\n" + "jnbe 1f\n" + "xor %0, %0\n" + "jmp 2f\n" + "1:\n" + "mov $0x80000001, %%eax\n" + "cpuid\n" + "2:\n" + "xchg %%ebx, %1\n" + : "=d" (extended_result), "=&r" (tmp1) + : "a" (0x80000000) + : "%ecx" + ); + } - "mov $0x80000000, %%eax\n" - "cpuid\n" - "cmp $0x80000000, %%eax\n" - "jbe 2f\n" - "mov $0x80000001, %%eax\n" - "cpuid\n" - "2:\n" - "pop %%ebx\n" - "mov %%edx, %0\n" - : "=r" (extended_result) - : - : "%eax", "%ecx", "%edx" - ); #elif defined (Q_OS_WIN) _asm { push eax @@ -210,6 +249,7 @@ uint qDetectCPUFeatures() } #endif + // result now contains the standard feature bits if (result & (1u << 15)) features |= CMOV; @@ -236,33 +276,23 @@ uint qDetectCPUFeatures() if (feature_result & (1u << 28)) features |= AVX; -#endif // i386 + return features; +} -#if defined(__x86_64__) || defined(Q_OS_WIN64) +#elif defined(__x86_64) || defined(Q_OS_WIN64) +static inline uint detectProcessorFeatures() +{ + uint features = MMX|SSE|SSE2|CMOV; uint feature_result = 0; #if defined(Q_CC_GNU) - asm ("push %%rbx\n" - "pushf\n" - "pop %%rax\n" - "mov %%eax, %%ebx\n" - "xor $0x00200000, %%eax\n" - "push %%rax\n" - "popf\n" - "pushf\n" - "pop %%rax\n" - "xor %%edx, %%edx\n" - "xor %%ebx, %%eax\n" - "jz 1f\n" - - "mov $0x00000001, %%eax\n" + long tmp; + asm ("xchg %%rbx, %1\n" "cpuid\n" - "1:\n" - "pop %%rbx\n" - "mov %%ecx, %0\n" - : "=r" (feature_result) - : - : "%eax", "%ecx", "%edx" + "xchg %%rbx, %1\n" + : "=c" (feature_result), "=&r" (tmp) + : "a" (1) + : "%edx" ); #elif defined (Q_OS_WIN64) { @@ -282,33 +312,97 @@ uint qDetectCPUFeatures() features |= SSE4_2; if (feature_result & (1u << 28)) features |= AVX; -#endif // x86_64 -#if defined(QT_HAVE_MMX) - if (qgetenv("QT_NO_MMX").toInt()) - features ^= MMX; -#endif - if (qgetenv("QT_NO_MMXEXT").toInt()) - features ^= MMXEXT; + return features; +} -#if defined(QT_HAVE_3DNOW) - if (qgetenv("QT_NO_3DNOW").toInt()) - features ^= MMX3DNOW; -#endif - if (qgetenv("QT_NO_3DNOWEXT").toInt()) - features ^= MMX3DNOWEXT; +#elif defined(__ia64__) +static inline uint detectProcessorFeatures() +{ + return MMX|SSE|SSE2; +} -#if defined(QT_HAVE_SSE) - if (qgetenv("QT_NO_SSE").toInt()) - features ^= SSE; -#endif -#if defined(QT_HAVE_SSE2) - if (qgetenv("QT_NO_SSE2").toInt()) - features ^= SSE2; +#else +static inline uint detectProcessorFeatures() +{ + return 0; +} #endif +/* + * Use kdesdk/scripts/generate_string_table.pl to update the table below. + * Here's the data (don't forget the ONE leading space): + mmx + mmxext + mmx3dnow + mmx3dnowext + sse + sse2 + cmov + iwmmxt + neon + sse3 + ssse3 + sse4.1 + sse4.2 + avx + */ + +// begin generated +static const char features_string[] = + " mmx\0" + " mmxext\0" + " mmx3dnow\0" + " mmx3dnowext\0" + " sse\0" + " sse2\0" + " cmov\0" + " iwmmxt\0" + " neon\0" + " sse3\0" + " ssse3\0" + " sse4.1\0" + " sse4.2\0" + " avx\0" + "\0"; + +static const int features_indices[] = { + 0, 5, 13, 23, 36, 41, 47, 53, + 61, 67, 73, 80, 88, 96, -1 +}; +// end generated + +const int features_count = (sizeof features_indices - 1) / (sizeof features_indices[0]); + +uint qDetectCPUFeatures() +{ + static QBasicAtomicInt features = Q_BASIC_ATOMIC_INITIALIZER(-1); + if (features != -1) + return features; + + uint f = detectProcessorFeatures(); + QByteArray disable = qgetenv("QT_NO_CPU_FEATURE"); + if (!disable.isEmpty()) { + disable.prepend(' '); + for (int i = 0; i < features_count; ++i) { + if (disable.contains(features_string + features_indices[i])) + f &= ~(1 << i); + } + } + + features = f; return features; -#endif +} + +void qDumpCPUFeatures() +{ + uint features = qDetectCPUFeatures(); + printf("Processor features: "); + for (int i = 0; i < features_count; ++i) { + if (features & (1 << i)) + printf("%s", features_string + features_indices[i]); + } + puts(""); } QT_END_NAMESPACE diff --git a/src/corelib/tools/qsimd_p.h b/src/corelib/tools/qsimd_p.h index a3148fb..664543b 100644 --- a/src/corelib/tools/qsimd_p.h +++ b/src/corelib/tools/qsimd_p.h @@ -51,8 +51,13 @@ QT_BEGIN_HEADER #if defined(QT_NO_MAC_XARCH) || (defined(Q_OS_DARWIN) && (defined(__ppc__) || defined(__ppc64__))) // Disable MMX and SSE on Mac/PPC builds, or if the compiler // does not support -Xarch argument passing -#undef QT_HAVE_SSE2 #undef QT_HAVE_SSE +#undef QT_HAVE_SSE2 +#undef QT_HAVE_SSE3 +#undef QT_HAVE_SSSE3 +#undef QT_HAVE_SSE4_1 +#undef QT_HAVE_SSE4_2 +#undef QT_HAVE_AVX #undef QT_HAVE_3DNOW #undef QT_HAVE_MMX #endif @@ -85,6 +90,7 @@ QT_BEGIN_HEADER // SSE4.1 and SSE4.2 intrinsics #if (defined(QT_HAVE_SSE4_1) || defined(QT_HAVE_SSE4_2)) && (defined(__SSE4_1__) || defined(Q_CC_MSVC)) #include <smmintrin.h> +#include <nmmintrin.h> #endif // AVX intrinsics diff --git a/src/corelib/tools/qstring.cpp b/src/corelib/tools/qstring.cpp index 7ea9877..7589f59 100644 --- a/src/corelib/tools/qstring.cpp +++ b/src/corelib/tools/qstring.cpp @@ -189,19 +189,6 @@ static int ucstricmp(const ushort *a, const ushort *ae, const uchar *b) return 1; } -// Unicode case-insensitive comparison -static int ucstrcmp(const QChar *a, int alen, const QChar *b, int blen) -{ - if (a == b && alen == blen) - return 0; - int l = qMin(alen, blen); - while (l-- && *a == *b) - a++,b++; - if (l == -1) - return (alen-blen); - return a->unicode() - b->unicode(); -} - // Unicode case-sensitive compare two same-sized strings static int ucstrncmp(const QChar *a, const QChar *b, int l) { @@ -212,28 +199,71 @@ static int ucstrncmp(const QChar *a, const QChar *b, int l) return a->unicode() - b->unicode(); } +// Unicode case-sensitive comparison +static int ucstrcmp(const QChar *a, int alen, const QChar *b, int blen) +{ + if (a == b && alen == blen) + return 0; + int l = qMin(alen, blen); + int cmp = ucstrncmp(a, b, l); + return cmp ? cmp : (alen-blen); +} + // Unicode case-insensitive compare two same-sized strings static int ucstrnicmp(const ushort *a, const ushort *b, int l) { return ucstricmp(a, a + l, b, b + l); } +// Benchmarking indicates that doing memcmp is much slower than +// executing the comparison ourselves. +// +// The profiling was done on a population of calls to qMemEquals, generated +// during a run of the demo browser. The profile of the data (32-bit x86 +// Linux) was: +// +// total number of comparisons: 21353 +// longest string compared: 95 +// average comparison length: 14.8786 +// cache-line crosses: 5661 (13.3%) +// alignment histogram: +// 0xXXX0 = 512 (1.2%) strings, 0 (0.0%) of which same-aligned +// 0xXXX2 = 15087 (35.3%) strings, 5145 (34.1%) of which same-aligned +// 0xXXX4 = 525 (1.2%) strings, 0 (0.0%) of which same-aligned +// 0xXXX6 = 557 (1.3%) strings, 6 (1.1%) of which same-aligned +// 0xXXX8 = 509 (1.2%) strings, 0 (0.0%) of which same-aligned +// 0xXXXa = 24358 (57.0%) strings, 9901 (40.6%) of which same-aligned +// 0xXXXc = 557 (1.3%) strings, 0 (0.0%) of which same-aligned +// 0xXXXe = 601 (1.4%) strings, 15 (2.5%) of which same-aligned +// total = 42706 (100%) strings, 15067 (35.3%) of which same-aligned +// +// 92% of the strings have alignment of 2 or 10, which is due to malloc on +// 32-bit Linux returning values aligned to 8 bytes, and offsetof(array, QString::Data) == 18. +// +// The profile on 64-bit will be different since offsetof(array, QString::Data) == 26. +// +// The benchmark results were, for a Core-i7 @ 2.67 GHz 32-bit, compiled with -O3 -funroll-loops: +// 16-bit loads only: 872,301 CPU ticks [Qt 4.5 / memcmp] +// 32- and 16-bit loads: 773,362 CPU ticks [Qt 4.6] +// SSE2 "movdqu" 128-bit loads: 618,736 CPU ticks +// SSE3 "lddqu" 128-bit loads: 619,954 CPU ticks +// SSSE3 "palignr" corrections: 852,147 CPU ticks +// SSE4.2 "pcmpestrm": 738,702 CPU ticks +// +// The same benchmark on an Atom N450 @ 1.66 GHz, is: +// 16-bit loads only: 2,185,882 CPU ticks +// 32- and 16-bit loads: 1,805,060 CPU ticks +// SSE2 "movdqu" 128-bit loads: 2,529,843 CPU ticks +// SSE3 "lddqu" 128-bit loads: 2,514,858 CPU ticks +// SSSE3 "palignr" corrections: 2,160,325 CPU ticks +// SSE4.2 not available +// +// The conclusion we reach is that alignment the SSE2 unaligned code can gain +// 20% improvement in performance in some systems, but suffers a penalty due +// to the unaligned loads on others. + static bool qMemEquals(const quint16 *a, const quint16 *b, int length) { - // Benchmarking indicates that doing memcmp is much slower than - // executing the comparison ourselves. - // To make it even faster, we do a 32-bit comparison, comparing - // twice the amount of data as a normal word-by-word comparison. - // - // Benchmarking results on a 2.33 GHz Core2 Duo, with a 64-QChar - // block of data, with 4194304 iterations (per iteration): - // operation usec cpu ticks - // memcmp 330 710 - // 16-bit 79 167-171 - // 32-bit aligned 49 105-109 - // - // Testing also indicates that unaligned 32-bit loads are as - // performant as 32-bit aligned. if (a == b || !length) return true; @@ -927,6 +957,24 @@ QString QString::fromWCharArray(const wchar_t *string, int size) \sa utf16(), toAscii(), toLatin1(), toUtf8(), toLocal8Bit() */ +template<typename T> int toUcs4_helper(const unsigned short *uc, int length, T *out) +{ + int i = 0; + for (; i < length; ++i) { + uint u = uc[i]; + if (QChar::isHighSurrogate(u) && i < length-1) { + ushort low = uc[i+1]; + if (QChar::isLowSurrogate(low)) { + ++i; + u = QChar::surrogateToUcs4(u, low); + } + } + *out = T(u); + ++out; + } + return i; +} + /*! \since 4.2 @@ -951,21 +999,7 @@ int QString::toWCharArray(wchar_t *array) const memcpy(array, utf16(), sizeof(wchar_t)*length()); return length(); } else { - wchar_t *a = array; - const unsigned short *uc = utf16(); - for (int i = 0; i < length(); ++i) { - uint u = uc[i]; - if (QChar::isHighSurrogate(u) && i + 1 < length()) { - ushort low = uc[i+1]; - if (QChar::isLowSurrogate(low)) { - u = QChar::surrogateToUcs4(u, low); - ++i; - } - } - *a = wchar_t(u); - ++a; - } - return a - array; + return toUcs4_helper<wchar_t>(utf16(), length(), array); } } @@ -3701,7 +3735,7 @@ QByteArray QString::toUtf8() const Returns a UCS-4/UTF-32 representation of the string as a QVector<uint>. UCS-4 is a Unicode codec and is lossless. All characters from this string - can be encoded in UCS-4. + can be encoded in UCS-4. The vector is not null terminated. \sa fromUtf8(), toAscii(), toLatin1(), toLocal8Bit(), QTextCodec, fromUcs4(), toWCharArray() */ @@ -3709,20 +3743,8 @@ QVector<uint> QString::toUcs4() const { QVector<uint> v(length()); uint *a = v.data(); - const unsigned short *uc = utf16(); - for (int i = 0; i < length(); ++i) { - uint u = uc[i]; - if (QChar(u).isHighSurrogate() && i < length()-1) { - ushort low = uc[i+1]; - if (QChar(low).isLowSurrogate()) { - ++i; - u = QChar::surrogateToUcs4(u, low); - } - } - *a = u; - ++a; - } - v.resize(a - v.data()); + int len = toUcs4_helper<uint>(utf16(), length(), a); + v.resize(len); return v; } @@ -3943,8 +3965,8 @@ QString QString::fromUtf8(const char *str, int size) This function checks for a Byte Order Mark (BOM). If it is missing, host byte order is assumed. - This function is comparatively slow. - Use QString(const ushort *, int) or QString(const ushort *) if possible. + This function is slow compared to the other Unicode conversions. + Use QString(const QChar *, int) or QString(const QChar *) if possible. QString makes a deep copy of the Unicode data. @@ -8961,4 +8983,114 @@ static inline bool qt_ends_with(const QChar *haystack, int haystackLen, return true; } +/*! + \since 4.8 + + Returns a Latin-1 representation of the string as a QByteArray. + + The returned byte array is undefined if the string contains non-Latin1 + characters. Those characters may be suppressed or replaced with a + question mark. + + \sa toAscii(), toUtf8(), toLocal8Bit(), QTextCodec +*/ +QByteArray QStringRef::toLatin1() const +{ + return toLatin1_helper(unicode(), length()); +} + +/*! + \since 4.8 + + Returns an 8-bit representation of the string as a QByteArray. + + If a codec has been set using QTextCodec::setCodecForCStrings(), + it is used to convert Unicode to 8-bit char; otherwise this + function does the same as toLatin1(). + + Note that, despite the name, this function does not necessarily return an US-ASCII + (ANSI X3.4-1986) string and its result may not be US-ASCII compatible. + + \sa toLatin1(), toUtf8(), toLocal8Bit(), QTextCodec +*/ +QByteArray QStringRef::toAscii() const +{ +#ifndef QT_NO_TEXTCODEC + if (QString::codecForCStrings) + return QString::codecForCStrings->fromUnicode(unicode(), length()); +#endif // QT_NO_TEXTCODEC + return toLatin1(); +} + +/*! + \since 4.8 + + Returns the local 8-bit representation of the string as a + QByteArray. The returned byte array is undefined if the string + contains characters not supported by the local 8-bit encoding. + + QTextCodec::codecForLocale() is used to perform the conversion from + Unicode. If the locale encoding could not be determined, this function + does the same as toLatin1(). + + If this string contains any characters that cannot be encoded in the + locale, the returned byte array is undefined. Those characters may be + suppressed or replaced by another. + + \sa toAscii(), toLatin1(), toUtf8(), QTextCodec +*/ +QByteArray QStringRef::toLocal8Bit() const +{ +#ifndef QT_NO_TEXTCODEC + if (QTextCodec::codecForLocale()) + return QTextCodec::codecForLocale()->fromUnicode(unicode(), length()); +#endif // QT_NO_TEXTCODEC + return toLatin1(); +} + +/*! + \since 4.8 + + Returns a UTF-8 representation of the string as a QByteArray. + + UTF-8 is a Unicode codec and can represent all characters in a Unicode + string like QString. + + However, in the Unicode range, there are certain codepoints that are not + considered characters. The Unicode standard reserves the last two + codepoints in each Unicode Plane (U+FFFE, U+FFFF, U+1FFFE, U+1FFFF, + U+2FFFE, etc.), as well as 16 codepoints in the range U+FDD0..U+FDDF, + inclusive, as non-characters. If any of those appear in the string, they + may be discarded and will not appear in the UTF-8 representation, or they + may be replaced by one or more replacement characters. + + \sa toAscii(), toLatin1(), toLocal8Bit(), QTextCodec +*/ +QByteArray QStringRef::toUtf8() const +{ + if (isNull()) + return QByteArray(); + + return QUtf8::convertFromUnicode(constData(), length(), 0); +} + +/*! + \since 4.8 + + Returns a UCS-4/UTF-32 representation of the string as a QVector<uint>. + + UCS-4 is a Unicode codec and is lossless. All characters from this string + can be encoded in UCS-4. + + \sa fromUtf8(), toAscii(), toLatin1(), toLocal8Bit(), QTextCodec, fromUcs4(), toWCharArray() +*/ +QVector<uint> QStringRef::toUcs4() const +{ + QVector<uint> v(length()); + uint *a = v.data(); + int len = toUcs4_helper<uint>(reinterpret_cast<const unsigned short *>(unicode()), length(), a); + v.resize(len); + return v; +} + QT_END_NAMESPACE diff --git a/src/corelib/tools/qstring.h b/src/corelib/tools/qstring.h index 7f7e475..589fdc2 100644 --- a/src/corelib/tools/qstring.h +++ b/src/corelib/tools/qstring.h @@ -104,7 +104,10 @@ public: QString &operator=(QChar c); QString &operator=(const QString &); inline QString &operator=(const QLatin1String &); - +#ifdef Q_COMPILER_RVALUE_REFS + inline QString &operator=(QString &&other) + { qSwap(d, other.d); return *this; } +#endif inline int size() const { return d->size; } inline int count() const { return d->size; } inline int length() const; @@ -613,6 +616,7 @@ private: ushort asciiCache : 1; ushort capacity : 1; ushort reserved : 11; + // ### Qt5: try to ensure that "array" is aligned to 16 bytes on both 32- and 64-bit ushort array[1]; }; static Data shared_null; @@ -1161,6 +1165,12 @@ public: inline const QChar *data() const { return unicode(); } inline const QChar *constData() const { return unicode(); } + QByteArray toAscii() const Q_REQUIRED_RESULT; + QByteArray toLatin1() const Q_REQUIRED_RESULT; + QByteArray toUtf8() const Q_REQUIRED_RESULT; + QByteArray toLocal8Bit() const Q_REQUIRED_RESULT; + QVector<uint> toUcs4() const Q_REQUIRED_RESULT; + inline void clear() { m_string = 0; m_position = m_size = 0; } QString toString() const; inline bool isEmpty() const { return m_size == 0; } diff --git a/src/corelib/tools/qstringmatcher.cpp b/src/corelib/tools/qstringmatcher.cpp index 80a8457..d445ed4 100644 --- a/src/corelib/tools/qstringmatcher.cpp +++ b/src/corelib/tools/qstringmatcher.cpp @@ -40,7 +40,6 @@ ****************************************************************************/ #include "qstringmatcher.h" -#include "qunicodetables_p.h" QT_BEGIN_NAMESPACE diff --git a/src/corelib/tools/qunicodetables.cpp b/src/corelib/tools/qunicodetables.cpp index 9df31e5..68e72cc 100644 --- a/src/corelib/tools/qunicodetables.cpp +++ b/src/corelib/tools/qunicodetables.cpp @@ -4345,6 +4345,11 @@ Q_CORE_EXPORT const QUnicodeTables::Properties * QT_FASTCALL QUnicodeTables::pro return uc_properties + index; } +Q_CORE_EXPORT QUnicodeTables::LineBreakClass QT_FASTCALL QUnicodeTables::lineBreakClass(uint ucs4) +{ + return (QUnicodeTables::LineBreakClass)qGetProp(ucs4)->line_break_class; +} + static const ushort specialCaseMap[] = { 0x53, 0x73, 0x0, 0x53, 0x53, 0x0, @@ -8561,7 +8566,7 @@ static const unsigned char uc_scripts[] = { Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Common, Common, Common, Common, Greek, Greek, Common, Common, - Common, Common, Greek, Greek, Greek, Greek, Common, Common, + Common, Common, Greek, Greek, Greek, Greek, Common, Common, /* U+0380-03ff at offset 640 */ Common, Common, Common, Common, Greek, Greek, Greek, Common, @@ -8579,7 +8584,7 @@ static const unsigned char uc_scripts[] = { Greek, Greek, Coptic, Coptic, Coptic, Coptic, Coptic, Coptic, Coptic, Coptic, Coptic, Coptic, Coptic, Coptic, Coptic, Coptic, Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek, - Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek, + Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek, /* U+0480-04ff at offset 768 */ Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Common, @@ -8597,7 +8602,7 @@ static const unsigned char uc_scripts[] = { Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, - Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, + Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, /* U+0500-057f at offset 896 */ Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, @@ -8615,7 +8620,7 @@ static const unsigned char uc_scripts[] = { Common, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, - Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, + Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, /* U+0580-05ff at offset 1024 */ Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, @@ -8633,7 +8638,7 @@ static const unsigned char uc_scripts[] = { Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Common, Common, Common, Common, Common, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Common, Common, Common, - Common, Common, Common, Common, Common, Common, Common, Common, + Common, Common, Common, Common, Common, Common, Common, Common, /* U+0600-067f at offset 1152 */ Common, Common, Common, Common, Common, Common, Common, Common, @@ -8651,7 +8656,7 @@ static const unsigned char uc_scripts[] = { Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Inherited, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, - Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, + Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, /* U+0680-06ff at offset 1280 */ Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, @@ -8669,7 +8674,7 @@ static const unsigned char uc_scripts[] = { Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, - Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, + Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, /* U+0700-077f at offset 1408 */ Syriac, Syriac, Syriac, Syriac, Syriac, Syriac, Syriac, Syriac, @@ -8687,7 +8692,7 @@ static const unsigned char uc_scripts[] = { Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, - Common, Common, Common, Common, Common, Common, Common, Common, + Common, Common, Common, Common, Common, Common, Common, Common, /* U+0780-07ff at offset 1536 */ Thaana, Thaana, Thaana, Thaana, Thaana, Thaana, Thaana, Thaana, @@ -8705,7 +8710,7 @@ static const unsigned char uc_scripts[] = { Nko, Nko, Nko, Nko, Nko, Nko, Nko, Nko, Nko, Nko, Nko, Nko, Nko, Nko, Nko, Nko, Nko, Nko, Nko, Nko, Nko, Nko, Nko, Nko, - Nko, Nko, Nko, Common, Common, Common, Common, Common, + Nko, Nko, Nko, Common, Common, Common, Common, Common, /* U+0900-097f at offset 1664 */ Common, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, @@ -8723,7 +8728,7 @@ static const unsigned char uc_scripts[] = { Devanagari, Devanagari, Devanagari, Devanagari, Common, Common, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Common, Common, Common, Common, Common, Common, Common, Common, - Common, Common, Common, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, + Common, Common, Common, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, /* U+0980-09ff at offset 1792 */ Common, Bengali, Bengali, Bengali, Common, Bengali, Bengali, Bengali, @@ -8741,7 +8746,7 @@ static const unsigned char uc_scripts[] = { Bengali, Bengali, Bengali, Bengali, Common, Common, Bengali, Bengali, Bengali, Bengali, Bengali, Bengali, Bengali, Bengali, Bengali, Bengali, Bengali, Bengali, Bengali, Bengali, Bengali, Bengali, Bengali, Bengali, - Bengali, Bengali, Bengali, Common, Common, Common, Common, Common, + Bengali, Bengali, Bengali, Common, Common, Common, Common, Common, /* U+0a00-0a7f at offset 1920 */ Common, Gurmukhi, Gurmukhi, Gurmukhi, Common, Gurmukhi, Gurmukhi, Gurmukhi, @@ -8759,7 +8764,7 @@ static const unsigned char uc_scripts[] = { Common, Common, Common, Common, Common, Common, Gurmukhi, Gurmukhi, Gurmukhi, Gurmukhi, Gurmukhi, Gurmukhi, Gurmukhi, Gurmukhi, Gurmukhi, Gurmukhi, Gurmukhi, Gurmukhi, Gurmukhi, Gurmukhi, Gurmukhi, Common, Common, Common, - Common, Common, Common, Common, Common, Common, Common, Common, + Common, Common, Common, Common, Common, Common, Common, Common, /* U+0a80-0aff at offset 2048 */ Common, Gujarati, Gujarati, Gujarati, Common, Gujarati, Gujarati, Gujarati, @@ -8777,7 +8782,7 @@ static const unsigned char uc_scripts[] = { Gujarati, Gujarati, Gujarati, Gujarati, Common, Common, Gujarati, Gujarati, Gujarati, Gujarati, Gujarati, Gujarati, Gujarati, Gujarati, Gujarati, Gujarati, Common, Gujarati, Common, Common, Common, Common, Common, Common, - Common, Common, Common, Common, Common, Common, Common, Common, + Common, Common, Common, Common, Common, Common, Common, Common, /* U+0b00-0b7f at offset 2176 */ Common, Oriya, Oriya, Oriya, Common, Oriya, Oriya, Oriya, @@ -8795,7 +8800,7 @@ static const unsigned char uc_scripts[] = { Oriya, Oriya, Common, Common, Common, Common, Oriya, Oriya, Oriya, Oriya, Oriya, Oriya, Oriya, Oriya, Oriya, Oriya, Oriya, Oriya, Common, Common, Common, Common, Common, Common, - Common, Common, Common, Common, Common, Common, Common, Common, + Common, Common, Common, Common, Common, Common, Common, Common, /* U+0b80-0bff at offset 2304 */ Common, Common, Tamil, Tamil, Common, Tamil, Tamil, Tamil, @@ -8813,7 +8818,7 @@ static const unsigned char uc_scripts[] = { Common, Common, Common, Common, Common, Common, Tamil, Tamil, Tamil, Tamil, Tamil, Tamil, Tamil, Tamil, Tamil, Tamil, Tamil, Tamil, Tamil, Tamil, Tamil, Tamil, Tamil, Tamil, - Tamil, Tamil, Tamil, Common, Common, Common, Common, Common, + Tamil, Tamil, Tamil, Common, Common, Common, Common, Common, /* U+0c00-0c7f at offset 2432 */ Common, Telugu, Telugu, Telugu, Common, Telugu, Telugu, Telugu, @@ -8831,7 +8836,7 @@ static const unsigned char uc_scripts[] = { Telugu, Telugu, Common, Common, Common, Common, Telugu, Telugu, Telugu, Telugu, Telugu, Telugu, Telugu, Telugu, Telugu, Telugu, Common, Common, Common, Common, Common, Common, Common, Common, - Common, Common, Common, Common, Common, Common, Common, Common, + Common, Common, Common, Common, Common, Common, Common, Common, /* U+0c80-0cff at offset 2560 */ Common, Common, Kannada, Kannada, Common, Kannada, Kannada, Kannada, @@ -8849,7 +8854,7 @@ static const unsigned char uc_scripts[] = { Kannada, Kannada, Kannada, Kannada, Common, Common, Kannada, Kannada, Kannada, Kannada, Kannada, Kannada, Kannada, Kannada, Kannada, Kannada, Common, Kannada, Kannada, Common, Common, Common, Common, Common, - Common, Common, Common, Common, Common, Common, Common, Common, + Common, Common, Common, Common, Common, Common, Common, Common, /* U+0d00-0d7f at offset 2688 */ Common, Common, Malayalam, Malayalam, Common, Malayalam, Malayalam, Malayalam, @@ -8867,7 +8872,7 @@ static const unsigned char uc_scripts[] = { Malayalam, Malayalam, Common, Common, Common, Common, Malayalam, Malayalam, Malayalam, Malayalam, Malayalam, Malayalam, Malayalam, Malayalam, Malayalam, Malayalam, Common, Common, Common, Common, Common, Common, Common, Common, - Common, Common, Common, Common, Common, Common, Common, Common, + Common, Common, Common, Common, Common, Common, Common, Common, /* U+0d80-0dff at offset 2816 */ Common, Common, Sinhala, Sinhala, Common, Sinhala, Sinhala, Sinhala, @@ -8885,7 +8890,7 @@ static const unsigned char uc_scripts[] = { Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Sinhala, Sinhala, Sinhala, Common, Common, Common, - Common, Common, Common, Common, Common, Common, Common, Common, + Common, Common, Common, Common, Common, Common, Common, Common, /* U+0e00-0e7f at offset 2944 */ Common, Thai, Thai, Thai, Thai, Thai, Thai, Thai, @@ -8903,7 +8908,7 @@ static const unsigned char uc_scripts[] = { Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, - Common, Common, Common, Common, Common, Common, Common, Common, + Common, Common, Common, Common, Common, Common, Common, Common, /* U+0e80-0eff at offset 3072 */ Common, Lao, Lao, Common, Lao, Common, Common, Lao, @@ -8921,7 +8926,7 @@ static const unsigned char uc_scripts[] = { Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, - Common, Common, Common, Common, Common, Common, Common, Common, + Common, Common, Common, Common, Common, Common, Common, Common, /* U+0f00-0f7f at offset 3200 */ Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, @@ -8939,7 +8944,7 @@ static const unsigned char uc_scripts[] = { Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Common, Common, Common, Common, Common, Common, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, - Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, + Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, /* U+0f80-0fff at offset 3328 */ Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, @@ -8957,7 +8962,7 @@ static const unsigned char uc_scripts[] = { Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, - Common, Common, Common, Common, Common, Common, Common, Common, + Common, Common, Common, Common, Common, Common, Common, Common, /* U+1000-107f at offset 3456 */ Myanmar, Myanmar, Myanmar, Myanmar, Myanmar, Myanmar, Myanmar, Myanmar, @@ -8975,7 +8980,7 @@ static const unsigned char uc_scripts[] = { Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, - Common, Common, Common, Common, Common, Common, Common, Common, + Common, Common, Common, Common, Common, Common, Common, Common, /* U+1080-10ff at offset 3584 */ Common, Common, Common, Common, Common, Common, Common, Common, @@ -8993,7 +8998,7 @@ static const unsigned char uc_scripts[] = { Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, - Georgian, Georgian, Georgian, Common, Georgian, Common, Common, Common, + Georgian, Georgian, Georgian, Common, Georgian, Common, Common, Common, /* U+1100-117f at offset 3712 */ Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, @@ -9011,7 +9016,7 @@ static const unsigned char uc_scripts[] = { Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, - Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, + Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, /* U+1180-11ff at offset 3840 */ Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, @@ -9029,7 +9034,7 @@ static const unsigned char uc_scripts[] = { Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, - Hangul, Hangul, Common, Common, Common, Common, Common, Common, + Hangul, Hangul, Common, Common, Common, Common, Common, Common, /* U+1680-16ff at offset 3968 */ Ogham, Ogham, Ogham, Ogham, Ogham, Ogham, Ogham, Ogham, @@ -9047,7 +9052,7 @@ static const unsigned char uc_scripts[] = { Runic, Runic, Runic, Runic, Runic, Runic, Runic, Runic, Runic, Runic, Runic, Common, Common, Common, Runic, Runic, Runic, Common, Common, Common, Common, Common, Common, Common, - Common, Common, Common, Common, Common, Common, Common, Common, + Common, Common, Common, Common, Common, Common, Common, Common, /* U+1780-17ff at offset 4096 */ Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, @@ -9065,7 +9070,7 @@ static const unsigned char uc_scripts[] = { Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Common, Common, Common, Common, Common, Common, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, - Khmer, Khmer, Common, Common, Common, Common, Common, Common, + Khmer, Khmer, Common, Common, Common, Common, Common, Common, /* U+1980-19ff at offset 4224 */ NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, @@ -9083,7 +9088,7 @@ static const unsigned char uc_scripts[] = { Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, - Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, + Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, /* U+1d00-1d7f at offset 4352 */ Latin, Latin, Latin, Latin, Latin, Latin, Latin, Latin, @@ -9101,7 +9106,7 @@ static const unsigned char uc_scripts[] = { Greek, Greek, Latin, Latin, Latin, Latin, Greek, Greek, Greek, Greek, Greek, Latin, Latin, Latin, Latin, Latin, Latin, Latin, Latin, Latin, Latin, Latin, Latin, Latin, - Cyrillic, Latin, Latin, Latin, Latin, Latin, Latin, Latin, + Cyrillic, Latin, Latin, Latin, Latin, Latin, Latin, Latin, /* U+1d80-1dff at offset 4480 */ Latin, Latin, Latin, Latin, Latin, Latin, Latin, Latin, @@ -9119,7 +9124,7 @@ static const unsigned char uc_scripts[] = { Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, - Common, Common, Common, Common, Common, Common, Inherited, Inherited, + Common, Common, Common, Common, Common, Common, Inherited, Inherited, /* U+1f00-1f7f at offset 4608 */ Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek, @@ -9137,7 +9142,7 @@ static const unsigned char uc_scripts[] = { Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek, - Greek, Greek, Greek, Greek, Greek, Greek, Common, Common, + Greek, Greek, Greek, Greek, Greek, Greek, Common, Common, /* U+1f80-1fff at offset 4736 */ Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek, @@ -9155,7 +9160,7 @@ static const unsigned char uc_scripts[] = { Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek, Common, Common, Greek, Greek, Greek, Common, Greek, Greek, - Greek, Greek, Greek, Greek, Greek, Greek, Greek, Common, + Greek, Greek, Greek, Greek, Greek, Greek, Greek, Common, /* U+2000-207f at offset 4864 */ Common, Common, Common, Common, Common, Common, Common, Common, @@ -9173,7 +9178,7 @@ static const unsigned char uc_scripts[] = { Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Latin, Common, Common, Common, Common, Common, Common, - Common, Common, Common, Common, Common, Common, Common, Latin, + Common, Common, Common, Common, Common, Common, Common, Latin, /* U+2080-20ff at offset 4992 */ Common, Common, Common, Common, Common, Common, Common, Common, @@ -9191,7 +9196,7 @@ static const unsigned char uc_scripts[] = { Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Common, Common, Common, Common, Common, Common, Common, Common, - Common, Common, Common, Common, Common, Common, Common, Common, + Common, Common, Common, Common, Common, Common, Common, Common, /* U+2100-217f at offset 5120 */ Common, Common, Common, Common, Common, Common, Common, Common, @@ -9209,7 +9214,7 @@ static const unsigned char uc_scripts[] = { Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, - Common, Common, Common, Common, Common, Common, Common, Common, + Common, Common, Common, Common, Common, Common, Common, Common, /* U+2d00-2d7f at offset 5248 */ Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, @@ -9227,7 +9232,7 @@ static const unsigned char uc_scripts[] = { Tifinagh, Tifinagh, Tifinagh, Tifinagh, Tifinagh, Tifinagh, Common, Common, Common, Common, Common, Common, Common, Common, Common, Tifinagh, Common, Common, Common, Common, Common, Common, Common, Common, - Common, Common, Common, Common, Common, Common, Common, Common, + Common, Common, Common, Common, Common, Common, Common, Common, /* U+3000-307f at offset 5376 */ Common, Common, Common, Common, Common, Han, Common, Han, @@ -9245,7 +9250,7 @@ static const unsigned char uc_scripts[] = { Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, - Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, + Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, /* U+3080-30ff at offset 5504 */ Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, @@ -9263,7 +9268,7 @@ static const unsigned char uc_scripts[] = { Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, - Katakana, Katakana, Katakana, Common, Common, Katakana, Katakana, Katakana, + Katakana, Katakana, Katakana, Common, Common, Katakana, Katakana, Katakana, /* U+3100-317f at offset 5632 */ Common, Common, Common, Common, Common, Bopomofo, Bopomofo, Bopomofo, @@ -9281,7 +9286,7 @@ static const unsigned char uc_scripts[] = { Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, - Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, + Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, /* U+3180-31ff at offset 5760 */ Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, @@ -9299,7 +9304,7 @@ static const unsigned char uc_scripts[] = { Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, - Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, + Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, /* U+3200-327f at offset 5888 */ Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, @@ -9317,7 +9322,7 @@ static const unsigned char uc_scripts[] = { Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, - Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Common, Common, + Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Common, Common, /* U+d780-d7ff at offset 6016 */ Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, @@ -9335,7 +9340,7 @@ static const unsigned char uc_scripts[] = { Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, - Common, Common, Common, Common, Common, Common, Common, Common, + Common, Common, Common, Common, Common, Common, Common, Common, /* U+fb00-fb7f at offset 6144 */ Latin, Latin, Latin, Latin, Latin, Latin, Latin, Common, @@ -9353,7 +9358,7 @@ static const unsigned char uc_scripts[] = { Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, - Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, + Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, /* U+fb80-fbff at offset 6272 */ Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, @@ -9371,7 +9376,7 @@ static const unsigned char uc_scripts[] = { Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, - Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, + Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, /* U+fd00-fd7f at offset 6400 */ Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, @@ -9389,7 +9394,7 @@ static const unsigned char uc_scripts[] = { Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, - Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, + Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, /* U+fd80-fdff at offset 6528 */ Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, @@ -9407,7 +9412,7 @@ static const unsigned char uc_scripts[] = { Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, - Arabic, Arabic, Arabic, Arabic, Arabic, Common, Common, Common, + Arabic, Arabic, Arabic, Arabic, Arabic, Common, Common, Common, /* U+fe00-fe7f at offset 6656 */ Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, @@ -9425,7 +9430,7 @@ static const unsigned char uc_scripts[] = { Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Arabic, Arabic, Arabic, Arabic, Arabic, Common, Arabic, Arabic, - Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, + Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, /* U+fe80-feff at offset 6784 */ Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, @@ -9443,7 +9448,7 @@ static const unsigned char uc_scripts[] = { Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, - Arabic, Arabic, Arabic, Arabic, Arabic, Common, Common, Common, + Arabic, Arabic, Arabic, Arabic, Arabic, Common, Common, Common, /* U+ff80-ffff at offset 6912 */ Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, @@ -9461,9 +9466,21 @@ static const unsigned char uc_scripts[] = { Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, Common, - Common, Common, Common, Common, Common, Common, Common, Common + Common, Common, Common, Common, Common, Common, Common, Common }; } // namespace QUnicodeTables +Q_CORE_EXPORT int QT_FASTCALL QUnicodeTables::script(uint ucs4) +{ + if (ucs4 > 0xffff) + return Common; + int script = uc_scripts[ucs4 >> 7]; + if (script < ScriptSentinel) + return script; + script = (((script - ScriptSentinel) * UnicodeBlockSize) + UnicodeBlockCount); + script = uc_scripts[script + (ucs4 & 0x7f)]; + return script; +} + QT_END_NAMESPACE diff --git a/src/corelib/tools/qunicodetables_p.h b/src/corelib/tools/qunicodetables_p.h index 5c7cc08..be52bf9 100644 --- a/src/corelib/tools/qunicodetables_p.h +++ b/src/corelib/tools/qunicodetables_p.h @@ -162,20 +162,6 @@ namespace QUnicodeTables { enum { ScriptSentinel = 32 }; - // see http://www.unicode.org/reports/tr14/tr14-19.html - // we don't use the XX, AI and CB properties and map them to AL instead. - // as we don't support any EBDIC based OS'es, NL is ignored and mapped to AL as well. - enum LineBreakClass { - LineBreak_OP, LineBreak_CL, LineBreak_QU, LineBreak_GL, LineBreak_NS, - LineBreak_EX, LineBreak_SY, LineBreak_IS, LineBreak_PR, LineBreak_PO, - LineBreak_NU, LineBreak_AL, LineBreak_ID, LineBreak_IN, LineBreak_HY, - LineBreak_BA, LineBreak_BB, LineBreak_B2, LineBreak_ZW, LineBreak_CM, - LineBreak_WJ, LineBreak_H2, LineBreak_H3, LineBreak_JL, LineBreak_JV, - LineBreak_JT, LineBreak_SA, LineBreak_SG, - LineBreak_SP, LineBreak_CR, LineBreak_LF, LineBreak_BK - }; - - enum GraphemeBreak { GraphemeBreakOther, GraphemeBreakCR, @@ -217,6 +203,20 @@ namespace QUnicodeTables { }; + // see http://www.unicode.org/reports/tr14/tr14-19.html + // we don't use the XX, AI and CB properties and map them to AL instead. + // as we don't support any EBDIC based OS'es, NL is ignored and mapped to AL as well. + enum LineBreakClass { + LineBreak_OP, LineBreak_CL, LineBreak_QU, LineBreak_GL, LineBreak_NS, + LineBreak_EX, LineBreak_SY, LineBreak_IS, LineBreak_PR, LineBreak_PO, + LineBreak_NU, LineBreak_AL, LineBreak_ID, LineBreak_IN, LineBreak_HY, + LineBreak_BA, LineBreak_BB, LineBreak_B2, LineBreak_ZW, LineBreak_CM, + LineBreak_WJ, LineBreak_H2, LineBreak_H3, LineBreak_JL, LineBreak_JV, + LineBreak_JT, LineBreak_SA, LineBreak_SG, + LineBreak_SP, LineBreak_CR, LineBreak_LF, LineBreak_BK + }; + + Q_CORE_EXPORT QUnicodeTables::LineBreakClass QT_FASTCALL lineBreakClass(uint ucs4); inline int lineBreakClass(const QChar &ch) { return lineBreakClass(ch.unicode()); } diff --git a/src/corelib/tools/qvector.h b/src/corelib/tools/qvector.h index 5613c12..c16aefb 100644 --- a/src/corelib/tools/qvector.h +++ b/src/corelib/tools/qvector.h @@ -53,6 +53,9 @@ #endif #include <stdlib.h> #include <string.h> +#ifdef Q_COMPILER_INITIALIZER_LISTS +#include <initializer_list> +#endif QT_BEGIN_HEADER @@ -118,6 +121,13 @@ public: inline QVector(const QVector<T> &v) : d(v.d) { d->ref.ref(); if (!d->sharable) detach_helper(); } inline ~QVector() { if (!d) return; if (!d->ref.deref()) free(p); } QVector<T> &operator=(const QVector<T> &v); +#ifdef Q_COMPILER_RVALUE_REFS + inline QVector<T> operator=(QVector<T> &&other) + { qSwap(p, other.p); return *this; } +#endif +#ifdef Q_COMPILER_INITIALIZER_LISTS + inline QVector(std::initializer_list<T> args); +#endif bool operator==(const QVector<T> &v) const; inline bool operator!=(const QVector<T> &v) const { return !(*this == v); } @@ -293,11 +303,10 @@ public: #ifndef QT_NO_STL static inline QVector<T> fromStdVector(const std::vector<T> &vector) - { QVector<T> tmp; qCopy(vector.begin(), vector.end(), std::back_inserter(tmp)); return tmp; } + { QVector<T> tmp; tmp.reserve(vector.size()); qCopy(vector.begin(), vector.end(), std::back_inserter(tmp)); return tmp; } inline std::vector<T> toStdVector() const - { std::vector<T> tmp; qCopy(constBegin(), constEnd(), std::back_inserter(tmp)); return tmp; } + { std::vector<T> tmp; tmp.reserve(size()); qCopy(constBegin(), constEnd(), std::back_inserter(tmp)); return tmp; } #endif - private: friend class QRegion; // Optimization for QRegion::rects() @@ -377,10 +386,11 @@ inline void QVector<T>::replace(int i, const T &t) template <typename T> QVector<T> &QVector<T>::operator=(const QVector<T> &v) { - v.d->ref.ref(); + QVectorData *o = v.d; + o->ref.ref(); if (!d->ref.deref()) free(p); - d = v.d; + d = o; if (!d->sharable) detach_helper(); return *this; @@ -425,6 +435,22 @@ QVector<T>::QVector(int asize, const T &t) new (--i) T(t); } +#ifdef Q_COMPILER_INITIALIZER_LISTS +template <typename T> +QVector<T>::QVector(std::initializer_list<T> args) +{ + d = malloc(args.size()); + d->ref = 1; + d->alloc = d->size = args.size(); + d->sharable = true; + d->capacity = false; + T* i = p->array + d->size; + auto it = args.end(); + while (i != p->array) + new (--i) T(*(--it)); +} +#endif + template <typename T> void QVector<T>::free(Data *x) { |