diff options
Diffstat (limited to 'src/corelib/tools')
| -rw-r--r-- | src/corelib/tools/qcryptographichash.cpp | 2 | ||||
| -rw-r--r-- | src/corelib/tools/qdatetime.cpp | 2 | ||||
| -rw-r--r-- | src/corelib/tools/qlistdata.cpp | 6 | ||||
| -rw-r--r-- | src/corelib/tools/qlocale.cpp | 4 | ||||
| -rw-r--r-- | src/corelib/tools/qmap.cpp | 6 | ||||
| -rw-r--r-- | src/corelib/tools/qstring.cpp | 17 | ||||
| -rw-r--r-- | src/corelib/tools/qstring.h | 15 | ||||
| -rw-r--r-- | src/corelib/tools/qstringbuilder.cpp | 135 | ||||
| -rw-r--r-- | src/corelib/tools/qstringbuilder.h | 207 | ||||
| -rw-r--r-- | src/corelib/tools/qstringlist.cpp | 2 | ||||
| -rw-r--r-- | src/corelib/tools/tools.pri | 2 |
11 files changed, 385 insertions, 13 deletions
diff --git a/src/corelib/tools/qcryptographichash.cpp b/src/corelib/tools/qcryptographichash.cpp index 7232626..e438179 100644 --- a/src/corelib/tools/qcryptographichash.cpp +++ b/src/corelib/tools/qcryptographichash.cpp @@ -74,7 +74,7 @@ public: QCryptographicHash can be used to generate cryptographic hashes of binary or text data. - Currently MD4, MD5, and SHA1 are supported. + Currently MD4, MD5, and SHA-1 are supported. */ /*! diff --git a/src/corelib/tools/qdatetime.cpp b/src/corelib/tools/qdatetime.cpp index 090ca61..de41360 100644 --- a/src/corelib/tools/qdatetime.cpp +++ b/src/corelib/tools/qdatetime.cpp @@ -4688,7 +4688,7 @@ QDateTimeParser::StateNode QDateTimeParser::parse(QString &input, int &cursorPos if (fixup && tmpstate == Intermediate && used < sn.count) { const FieldInfo fi = fieldInfo(index); if ((fi & (Numeric|FixedWidth)) == (Numeric|FixedWidth)) { - const QString newText = QString(QLatin1String("%1")).arg(num, sn.count, 10, QLatin1Char('0')); + const QString newText = QString::fromLatin1("%1").arg(num, sn.count, 10, QLatin1Char('0')); input.replace(pos, used, newText); used = sn.count; } diff --git a/src/corelib/tools/qlistdata.cpp b/src/corelib/tools/qlistdata.cpp index d40b6b6..34a5d80 100644 --- a/src/corelib/tools/qlistdata.cpp +++ b/src/corelib/tools/qlistdata.cpp @@ -1173,7 +1173,8 @@ void **QListData::erase(void **xi) /*! \typedef QList::iterator::iterator_category - \internal + A synonym for \e {std::random_access_iterator_tag} indicating + this iterator is a random access iterator. */ /*! \typedef QList::iterator::difference_type @@ -1432,7 +1433,8 @@ void **QListData::erase(void **xi) /*! \typedef QList::const_iterator::iterator_category - \internal + A synonym for \e {std::random_access_iterator_tag} indicating + this iterator is a random access iterator. */ /*! \typedef QList::const_iterator::difference_type diff --git a/src/corelib/tools/qlocale.cpp b/src/corelib/tools/qlocale.cpp index 248137a..9953155 100644 --- a/src/corelib/tools/qlocale.cpp +++ b/src/corelib/tools/qlocale.cpp @@ -321,7 +321,7 @@ static QString readEscapedFormatString(const QString &format, int *idx) { int &i = *idx; - Q_ASSERT(format.at(i).unicode() == '\''); + Q_ASSERT(format.at(i) == QLatin1Char('\'')); ++i; if (i == format.size()) return QString(); @@ -635,7 +635,7 @@ static QLocale::MeasurementSystem winSystemMeasurementSystem() QString iMeasure = QT_WA_INLINE( QString::fromUtf16(reinterpret_cast<ushort*>(output)), QString::fromLocal8Bit(reinterpret_cast<char*>(output))); - if (iMeasure == QString::fromLatin1("1")) { + if (iMeasure == QLatin1String("1")) { return QLocale::ImperialSystem; } } diff --git a/src/corelib/tools/qmap.cpp b/src/corelib/tools/qmap.cpp index 0699400..07df28d 100644 --- a/src/corelib/tools/qmap.cpp +++ b/src/corelib/tools/qmap.cpp @@ -902,7 +902,8 @@ void QMapData::dump() /*! \typedef QMap::iterator::iterator_category - \internal + A synonym for \e {std::bidirectional_iterator_tag} indicating + this iterator is a bidirectional iterator. */ /*! \typedef QMap::iterator::pointer @@ -1123,7 +1124,8 @@ void QMapData::dump() /*! \typedef QMap::const_iterator::iterator_category - \internal + A synonym for \e {std::bidirectional_iterator_tag} indicating + this iterator is a bidirectional iterator. */ /*! \typedef QMap::const_iterator::pointer diff --git a/src/corelib/tools/qstring.cpp b/src/corelib/tools/qstring.cpp index 29509c5..c64e1d6 100644 --- a/src/corelib/tools/qstring.cpp +++ b/src/corelib/tools/qstring.cpp @@ -944,6 +944,23 @@ QString::QString(int size, QChar ch) } } +/*! + Constructs a string of the given \a size without initializing the + characters. This is only used in \c QStringBuilder::toString(). + + \internal +*/ + +QString::QString(int size, Uninitialized) +{ + d = (Data*) qMalloc(sizeof(Data)+size*sizeof(QChar)); + d->ref = 1; + d->alloc = d->size = size; + d->clean = d->asciiCache = d->simpletext = d->righttoleft = d->capacity = 0; + d->data = d->array; + d->array[size] = '\0'; +} + /*! \fn QString::QString(const QLatin1String &str) Constructs a copy of the Latin-1 string \a str. diff --git a/src/corelib/tools/qstring.h b/src/corelib/tools/qstring.h index 69c4f2f..7c0d6a3 100644 --- a/src/corelib/tools/qstring.h +++ b/src/corelib/tools/qstring.h @@ -579,6 +579,9 @@ public: bool isSimpleText() const { if (!d->clean) updateProperties(); return d->simpletext; } bool isRightToLeft() const { if (!d->clean) updateProperties(); return d->righttoleft; } + struct Uninitialized {}; + QString(int size, Uninitialized); + private: #if defined(QT_NO_CAST_FROM_ASCII) && !defined(Q_NO_DECLARED_NOT_DEFINED) QString &operator+=(const char *s); @@ -1001,13 +1004,15 @@ inline int QByteArray::findRev(const QString &s, int from) const # endif // QT3_SUPPORT #endif // QT_NO_CAST_TO_ASCII +#ifndef QT_USE_FAST_OPERATOR_PLUS +# ifndef QT_USE_FAST_CONCATENATION inline const QString operator+(const QString &s1, const QString &s2) { QString t(s1); t += s2; return t; } inline const QString operator+(const QString &s1, QChar s2) { QString t(s1); t += s2; return t; } inline const QString operator+(QChar s1, const QString &s2) { QString t(s1); t += s2; return t; } -#ifndef QT_NO_CAST_FROM_ASCII +# ifndef QT_NO_CAST_FROM_ASCII inline QT_ASCII_CAST_WARN const QString operator+(const QString &s1, const char *s2) { QString t(s1); t += QString::fromAscii(s2); return t; } inline QT_ASCII_CAST_WARN const QString operator+(const char *s1, const QString &s2) @@ -1020,7 +1025,9 @@ inline QT_ASCII_CAST_WARN const QString operator+(const QByteArray &ba, const QS { QString t = QString::fromAscii(ba.constData(), qstrnlen(ba.constData(), ba.size())); t += s; return t; } inline QT_ASCII_CAST_WARN const QString operator+(const QString &s, const QByteArray &ba) { QString t(s); t += QString::fromAscii(ba.constData(), qstrnlen(ba.constData(), ba.size())); return t; } -#endif +# endif // QT_NO_CAST_FROM_ASCII +# endif // QT_USE_FAST_CONCATENATION +#endif // QT_USE_FAST_OPERATOR_PLUS #ifndef QT_NO_STL inline std::string QString::toStdString() const @@ -1229,6 +1236,8 @@ inline int QStringRef::localeAwareCompare(const QStringRef &s1, const QStringRef QT_END_NAMESPACE -QT_END_HEADER +#ifdef QT_USE_FAST_CONCATENATION +#include <QtCore/qstringbuilder.h> +#endif #endif // QSTRING_H diff --git a/src/corelib/tools/qstringbuilder.cpp b/src/corelib/tools/qstringbuilder.cpp new file mode 100644 index 0000000..b807a89 --- /dev/null +++ b/src/corelib/tools/qstringbuilder.cpp @@ -0,0 +1,135 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the $MODULE$ of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial Usage +** Licensees holding valid Qt Commercial licenses may use this file in +** accordance with the Qt Commercial License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Nokia. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qstringbuilder.h" + +/*! + \class QLatin1Literal + \reentrant + \since 4.6 + + \brief The QLatin1Literal class provides a thin wrapper around string + literals used in source code. + + \ingroup tools + \ingroup shared + \ingroup text + \mainclass + + Unlike \c QLatin1String, a \c QLatin1Literal can retrieve its size + without iterating over the literal. + + The main use of \c QLatin1Literal is in conjunction with \c QStringBuilder + to reduce the number of reallocations needed to build up a string from + smaller chunks. + + \sa QStringBuilder, QLatin1String, QString, QStringRef +*/ + +/*! \fn QLatin1Literal::QLatin1Literal(const char(&string)[]) + + Constructs a new literal from the given \a string. +*/ + +/*! \fn int QLatin1Literal::size() const + + Returns the number of characters in the literal \i{excluding} the trailing + NUL char. +*/ + +/*! \fn char *QLatin1Literal::data() const + + Returns a pointer to the first character of the string literal. + The string literal is terminated by a NUL character. +*/ + +/*! \fn QLatin1Literal::operator QString() const + + Converts the \c QLatin1Literal into a \c QString object. +*/ + + + +/*! + \class QStringBuilder + \reentrant + \since 4.6 + + \brief QStringBuilder is a template class that provides a facility to build + up QStrings from smaller chunks. + + \ingroup tools + \ingroup shared + \ingroup text + \mainclass + + When creating strings from smaller chunks, typically \c QString::operator+() + is used, resulting in \i{n - 1} reallocations when operating on \i{n} chunks. + + QStringBuilder uses expression templates to collect the individual parts, + compute the total size, allocate memory for the resulting QString object, + and copy the contents of the chunks into the result. + + The QStringBuilder class is not to be used explicitly in user code. + Instances of the class are created as return values of the operator%() + function, acting on objects of type \c QString, \c QLatin1String, + \c QLatin1Literal, \c \QStringRef, \c QChar, + \c QLatin1Char, and \c char. + + Concatenating strings with operator%() generally yields better + performance then using \c QString::operator+() on the same chunks + if there are three or more of them, and performs equally well in other + cases. + + \sa QLatin1Literal, QString +*/ + +/* !fn template <class A, class B> QStringBuilder<A, B> operator%(const A &a, const B &b) + + Returns a \c QStringBuilder object that is converted to a QString object + when assigned to a variable of QString type or passed to a function that + takes a QString parameter. + + This function is usable with arguments of type \c QString, + \c QLatin1String, \c QLatin1Literal, \c QStringRef, + \c QChar, \c QLatin1Char, and \c char. +*/ + diff --git a/src/corelib/tools/qstringbuilder.h b/src/corelib/tools/qstringbuilder.h new file mode 100644 index 0000000..1e67b7d --- /dev/null +++ b/src/corelib/tools/qstringbuilder.h @@ -0,0 +1,207 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the $MODULE$ of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial Usage +** Licensees holding valid Qt Commercial licenses may use this file in +** accordance with the Qt Commercial License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Nokia. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QSTRINGBUILDER_H +#define QSTRINGBUILDER_H + +#include <QtCore/qstring.h> + +#include <string.h> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Core) + +// ### Qt 5: merge with QLatin1String +class QLatin1Literal +{ +public: + template <int N> + QLatin1Literal(const char (&str)[N]) : m_size(N - 1), m_data(str) {} + + inline int size() const { return m_size; } + inline const char *data() const { return m_data; } + +private: + const int m_size; + const char *m_data; +}; + + +template <typename T> class QConcatenable {}; + +template <typename A, typename B> +class QStringBuilder +{ +public: + QStringBuilder(const A &a_, const B &b_) : a(a_), b(b_) {} + + operator QString() const + { + QString s(QConcatenable< QStringBuilder<A, B> >::size(*this), + QString::Uninitialized()); + + QChar *d = s.data(); + QConcatenable< QStringBuilder<A, B> >::appendTo(*this, d); + return s; + } + QByteArray toLatin1() const { return QString(*this).toLatin1(); } + + const A &a; + const B &b; +}; + + +template <> struct QConcatenable<char> +{ + typedef char type; + static int size(const char) { return 1; } + static inline void appendTo(const char c, QChar *&out) + { + *out++ = QLatin1Char(c); + } +}; + +template <> struct QConcatenable<QLatin1Char> +{ + typedef QLatin1Char type; + static int size(const QLatin1Char) { return 1; } + static inline void appendTo(const QLatin1Char c, QChar *&out) + { + *out++ = c; + } +}; + +template <> struct QConcatenable<QChar> +{ + typedef QChar type; + static int size(const QChar) { return 1; } + static inline void appendTo(const QChar c, QChar *&out) + { + *out++ = c; + } +}; + +template <> struct QConcatenable<QLatin1String> +{ + typedef QLatin1String type; + static int size(const QLatin1String &a) { return qstrlen(a.latin1()); } + static inline void appendTo(const QLatin1String &a, QChar *&out) + { + for (const char *s = a.latin1(); *s; ) + *out++ = QLatin1Char(*s++); + } + +}; + +template <> struct QConcatenable<QLatin1Literal> +{ + typedef QLatin1Literal type; + static int size(const QLatin1Literal &a) { return a.size(); } + static inline void appendTo(const QLatin1Literal &a, QChar *&out) + { + for (const char *s = a.data(); *s; ) + *out++ = QLatin1Char(*s++); + } +}; + +template <> struct QConcatenable<QString> +{ + typedef QString type; + static int size(const QString &a) { return a.size(); } + static inline void appendTo(const QString &a, QChar *&out) + { + const int n = a.size(); + memcpy(out, (char*)a.constData(), sizeof(QChar) * n); + out += n; + } +}; + +template <> struct QConcatenable<QStringRef> +{ + typedef QStringRef type; + static int size(const QStringRef &a) { return a.size(); } + static inline void appendTo(QStringRef a, QChar *&out) + { + const int n = a.size(); + memcpy(out, (char*)a.constData(), sizeof(QChar) * n); + out += n; + } +}; + +template <typename A, typename B> +struct QConcatenable< QStringBuilder<A, B> > +{ + typedef QStringBuilder<A, B> type; + static int size(const type &p) + { + return QConcatenable<A>::size(p.a) + QConcatenable<B>::size(p.b); + } + static inline void appendTo(const QStringBuilder<A, B> &p, QChar *&out) + { + QConcatenable<A>::appendTo(p.a, out); + QConcatenable<B>::appendTo(p.b, out); + } +}; + +template <typename A, typename B> +QStringBuilder<typename QConcatenable<A>::type, typename QConcatenable<B>::type> +operator%(const A &a, const B &b) +{ + return QStringBuilder<A, B>(a, b); +} + +#ifdef QT_USE_FAST_OPERATOR_PLUS +template <typename A, typename B> +QStringBuilder<typename QConcatenable<A>::type, typename QConcatenable<B>::type> +operator+(const A &a, const B &b) +{ + return QStringBuilder<A, B>(a, b); +} +#endif + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif // QSTRINGBUILDER_H diff --git a/src/corelib/tools/qstringlist.cpp b/src/corelib/tools/qstringlist.cpp index e22f122..cf1bff8 100644 --- a/src/corelib/tools/qstringlist.cpp +++ b/src/corelib/tools/qstringlist.cpp @@ -621,8 +621,6 @@ int QtPrivate::QStringList_lastIndexOf(const QStringList *that, QRegExp &rx, int the list, searching forward from index position \a from. Returns -1 if no item matched. - By default, this function is case sensitive. - \sa lastIndexOf(), contains(), QList::indexOf() */ diff --git a/src/corelib/tools/tools.pri b/src/corelib/tools/tools.pri index 90287cb..aea0c6c 100644 --- a/src/corelib/tools/tools.pri +++ b/src/corelib/tools/tools.pri @@ -32,6 +32,7 @@ HEADERS += \ tools/qsize.h \ tools/qstack.h \ tools/qstring.h \ + tools/qstringbuilder.h \ tools/qstringlist.h \ tools/qstringmatcher.h \ tools/qtextboundaryfinder.h \ @@ -62,6 +63,7 @@ SOURCES += \ tools/qsharedpointer.cpp \ tools/qsize.cpp \ tools/qstring.cpp \ + tools/qstringbuilder.cpp \ tools/qstringlist.cpp \ tools/qtextboundaryfinder.cpp \ tools/qtimeline.cpp \ |