diff options
Diffstat (limited to 'src/corelib/tools/qstring.h')
| -rw-r--r-- | src/corelib/tools/qstring.h | 187 |
1 files changed, 104 insertions, 83 deletions
diff --git a/src/corelib/tools/qstring.h b/src/corelib/tools/qstring.h index d44a5baf2a..1fbcff35d1 100644 --- a/src/corelib/tools/qstring.h +++ b/src/corelib/tools/qstring.h @@ -44,6 +44,7 @@ #include <QtCore/qnamespace.h> #include <string> +#include <iterator> #if defined(Q_OS_ANDROID) // std::wstring is disabled on android's glibc, as bionic lacks certain features @@ -82,20 +83,21 @@ template <typename T> class QVector; class QLatin1String { public: - Q_DECL_CONSTEXPR inline explicit QLatin1String(const char *s) : m_size(s ? int(strlen(s)) : 0), m_data(s) {} - Q_DECL_CONSTEXPR inline explicit QLatin1String(const char *s, int sz) : m_size(sz), m_data(s) {} - inline explicit QLatin1String(const QByteArray &s) : m_size(int(qstrnlen(s.constData(), s.size()))), m_data(s.constData()) {} - - inline const char *latin1() const { return m_data; } - inline int size() const { return m_size; } - inline const char *data() const { return m_data; } - - inline bool operator==(const QString &s) const; - inline bool operator!=(const QString &s) const; - inline bool operator>(const QString &s) const; - inline bool operator<(const QString &s) const; - inline bool operator>=(const QString &s) const; - inline bool operator<=(const QString &s) const; + Q_DECL_CONSTEXPR inline QLatin1String() Q_DECL_NOTHROW : m_size(0), m_data(Q_NULLPTR) {} + Q_DECL_CONSTEXPR inline explicit QLatin1String(const char *s) Q_DECL_NOTHROW : m_size(s ? int(strlen(s)) : 0), m_data(s) {} + Q_DECL_CONSTEXPR inline explicit QLatin1String(const char *s, int sz) Q_DECL_NOTHROW : m_size(sz), m_data(s) {} + inline explicit QLatin1String(const QByteArray &s) Q_DECL_NOTHROW : m_size(int(qstrnlen(s.constData(), s.size()))), m_data(s.constData()) {} + + Q_DECL_CONSTEXPR const char *latin1() const Q_DECL_NOTHROW { return m_data; } + Q_DECL_CONSTEXPR int size() const Q_DECL_NOTHROW { return m_size; } + Q_DECL_CONSTEXPR const char *data() const Q_DECL_NOTHROW { return m_data; } + + inline bool operator==(const QString &s) const Q_DECL_NOTHROW; + inline bool operator!=(const QString &s) const Q_DECL_NOTHROW; + inline bool operator>(const QString &s) const Q_DECL_NOTHROW; + inline bool operator<(const QString &s) const Q_DECL_NOTHROW; + inline bool operator>=(const QString &s) const Q_DECL_NOTHROW; + inline bool operator<=(const QString &s) const Q_DECL_NOTHROW; #if !defined(QT_NO_CAST_FROM_ASCII) && !defined(QT_RESTRICTED_CAST_FROM_ASCII) inline QT_ASCII_CAST_WARN bool operator==(const char *s) const; @@ -219,7 +221,7 @@ public: inline ~QString(); QString &operator=(QChar c); QString &operator=(const QString &) Q_DECL_NOTHROW; - inline QString &operator=(QLatin1String latin1); + QString &operator=(QLatin1String latin1); #ifdef Q_COMPILER_RVALUE_REFS inline QString(QString && other) Q_DECL_NOTHROW : d(other.d) { other.d = Data::sharedNull(); } inline QString &operator=(QString &&other) Q_DECL_NOTHROW @@ -420,6 +422,7 @@ public: QString &insert(int i, QChar c); QString &insert(int i, const QChar *uc, int len); inline QString &insert(int i, const QString &s) { return insert(i, s.constData(), s.length()); } + inline QString &insert(int i, const QStringRef &s); QString &insert(int i, QLatin1String s); QString &append(QChar c); QString &append(const QChar *uc, int len); @@ -427,7 +430,9 @@ public: QString &append(const QStringRef &s); QString &append(QLatin1String s); inline QString &prepend(QChar c) { return insert(0, c); } + inline QString &prepend(const QChar *uc, int len) { return insert(0, uc, len); } inline QString &prepend(const QString &s) { return insert(0, s); } + inline QString &prepend(const QStringRef &s) { return insert(0, s); } inline QString &prepend(QLatin1String s) { return insert(0, s); } inline QString &operator+=(QChar c) { @@ -534,11 +539,11 @@ public: return fromLocal8Bit_helper(str, (str && size == -1) ? int(strlen(str)) : size); } static inline QString fromLatin1(const QByteArray &str) - { return fromLatin1(str.data(), qstrnlen(str.constData(), str.size())); } + { return str.isNull() ? QString() : fromLatin1(str.data(), qstrnlen(str.constData(), str.size())); } static inline QString fromUtf8(const QByteArray &str) - { return fromUtf8(str.data(), qstrnlen(str.constData(), str.size())); } + { return str.isNull() ? QString() : fromUtf8(str.data(), qstrnlen(str.constData(), str.size())); } static inline QString fromLocal8Bit(const QByteArray &str) - { return fromLocal8Bit(str.data(), qstrnlen(str.constData(), str.size())); } + { return str.isNull() ? QString() : fromLocal8Bit(str.data(), qstrnlen(str.constData(), str.size())); } static QString fromUtf16(const ushort *, int size = -1); static QString fromUcs4(const uint *, int size = -1); static QString fromRawData(const QChar *, int size); @@ -591,16 +596,16 @@ public: static int localeAwareCompare(const QString& s1, const QStringRef& s2); // ### Qt6: make inline except for the long long versions - short toShort(bool *ok=0, int base=10) const; - ushort toUShort(bool *ok=0, int base=10) const; - int toInt(bool *ok=0, int base=10) const; - uint toUInt(bool *ok=0, int base=10) const; - long toLong(bool *ok=0, int base=10) const; - ulong toULong(bool *ok=0, int base=10) const; - qlonglong toLongLong(bool *ok=0, int base=10) const; - qulonglong toULongLong(bool *ok=0, int base=10) const; - float toFloat(bool *ok=0) const; - double toDouble(bool *ok=0) const; + short toShort(bool *ok=Q_NULLPTR, int base=10) const; + ushort toUShort(bool *ok=Q_NULLPTR, int base=10) const; + int toInt(bool *ok=Q_NULLPTR, int base=10) const; + uint toUInt(bool *ok=Q_NULLPTR, int base=10) const; + long toLong(bool *ok=Q_NULLPTR, int base=10) const; + ulong toULong(bool *ok=Q_NULLPTR, int base=10) const; + qlonglong toLongLong(bool *ok=Q_NULLPTR, int base=10) const; + qulonglong toULongLong(bool *ok=Q_NULLPTR, int base=10) const; + float toFloat(bool *ok=Q_NULLPTR) const; + double toDouble(bool *ok=Q_NULLPTR) const; QString &setNum(short, int base=10); QString &setNum(ushort, int base=10); @@ -668,6 +673,10 @@ public: { return append(QString::fromUtf8(s)); } inline QT_ASCII_CAST_WARN QString &append(const QByteArray &s) { return append(QString::fromUtf8(s)); } + inline QT_ASCII_CAST_WARN QString &insert(int i, const char *s) + { return insert(i, QString::fromUtf8(s)); } + inline QT_ASCII_CAST_WARN QString &insert(int i, const QByteArray &s) + { return insert(i, QString::fromUtf8(s)); } inline QT_ASCII_CAST_WARN QString &operator+=(const char *s) { return append(QString::fromUtf8(s)); } inline QT_ASCII_CAST_WARN QString &operator+=(const QByteArray &s) @@ -708,14 +717,22 @@ public: typedef const QChar *const_iterator; typedef iterator Iterator; typedef const_iterator ConstIterator; - iterator begin(); - const_iterator begin() const; - const_iterator cbegin() const; - const_iterator constBegin() const; - iterator end(); - const_iterator end() const; - const_iterator cend() const; - const_iterator constEnd() const; + typedef std::reverse_iterator<iterator> reverse_iterator; + typedef std::reverse_iterator<const_iterator> const_reverse_iterator; + inline iterator begin(); + inline const_iterator begin() const; + inline const_iterator cbegin() const; + inline const_iterator constBegin() const; + inline iterator end(); + inline const_iterator end() const; + inline const_iterator cend() const; + inline const_iterator constEnd() const; + reverse_iterator rbegin() { return reverse_iterator(end()); } + reverse_iterator rend() { return reverse_iterator(begin()); } + const_reverse_iterator rbegin() const { return const_reverse_iterator(end()); } + const_reverse_iterator rend() const { return const_reverse_iterator(begin()); } + const_reverse_iterator crbegin() const { return const_reverse_iterator(end()); } + const_reverse_iterator crend() const { return const_reverse_iterator(begin()); } // STL compatibility typedef int size_type; @@ -867,11 +884,6 @@ inline void QString::detach() { if (d->ref.isShared() || (d->offset != sizeof(QStringData))) reallocData(uint(d->size) + 1u); } inline bool QString::isDetached() const { return !d->ref.isShared(); } -inline QString &QString::operator=(QLatin1String s) -{ - *this = fromLatin1(s.latin1(), s.size()); - return *this; -} inline void QString::clear() { if (!isNull()) *this = QString(); } inline QString::QString(const QString &other) Q_DECL_NOTHROW : d(other.d) @@ -1114,34 +1126,34 @@ inline bool operator!=(QString::Null, QString::Null) { return false; } inline bool operator!=(QString::Null, const QString &s) { return !s.isNull(); } inline bool operator!=(const QString &s, QString::Null) { return !s.isNull(); } -inline bool operator==(QLatin1String s1, QLatin1String s2) +inline bool operator==(QLatin1String s1, QLatin1String s2) Q_DECL_NOTHROW { return (s1.size() == s2.size() && !memcmp(s1.latin1(), s2.latin1(), s1.size())); } -inline bool operator!=(QLatin1String s1, QLatin1String s2) +inline bool operator!=(QLatin1String s1, QLatin1String s2) Q_DECL_NOTHROW { return (s1.size() != s2.size() || memcmp(s1.latin1(), s2.latin1(), s1.size())); } -inline bool operator<(QLatin1String s1, QLatin1String s2) +inline bool operator<(QLatin1String s1, QLatin1String s2) Q_DECL_NOTHROW { int r = memcmp(s1.latin1(), s2.latin1(), qMin(s1.size(), s2.size())); return (r < 0) || (r == 0 && s1.size() < s2.size()); } -inline bool operator<=(QLatin1String s1, QLatin1String s2) +inline bool operator<=(QLatin1String s1, QLatin1String s2) Q_DECL_NOTHROW { int r = memcmp(s1.latin1(), s2.latin1(), qMin(s1.size(), s2.size())); return (r < 0) || (r == 0 && s1.size() <= s2.size()); } -inline bool operator>(QLatin1String s1, QLatin1String s2) +inline bool operator>(QLatin1String s1, QLatin1String s2) Q_DECL_NOTHROW { int r = memcmp(s1.latin1(), s2.latin1(), qMin(s1.size(), s2.size())); return (r > 0) || (r == 0 && s1.size() > s2.size()); } -inline bool operator>=(QLatin1String s1, QLatin1String s2) +inline bool operator>=(QLatin1String s1, QLatin1String s2) Q_DECL_NOTHROW { int r = memcmp(s1.latin1(), s2.latin1(), qMin(s1.size(), s2.size())); return (r > 0) || (r == 0 && s1.size() >= s2.size()); } -inline bool QLatin1String::operator==(const QString &s) const +inline bool QLatin1String::operator==(const QString &s) const Q_DECL_NOTHROW { return s == *this; } -inline bool QLatin1String::operator!=(const QString &s) const +inline bool QLatin1String::operator!=(const QString &s) const Q_DECL_NOTHROW { return s != *this; } -inline bool QLatin1String::operator>(const QString &s) const +inline bool QLatin1String::operator>(const QString &s) const Q_DECL_NOTHROW { return s < *this; } -inline bool QLatin1String::operator<(const QString &s) const +inline bool QLatin1String::operator<(const QString &s) const Q_DECL_NOTHROW { return s > *this; } -inline bool QLatin1String::operator>=(const QString &s) const +inline bool QLatin1String::operator>=(const QString &s) const Q_DECL_NOTHROW { return s <= *this; } -inline bool QLatin1String::operator<=(const QString &s) const +inline bool QLatin1String::operator<=(const QString &s) const Q_DECL_NOTHROW { return s >= *this; } #if !defined(QT_NO_CAST_FROM_ASCII) && !defined(QT_RESTRICTED_CAST_FROM_ASCII) @@ -1215,26 +1227,26 @@ inline QT_ASCII_CAST_WARN bool QString::operator==(const QByteArray &s) const inline QT_ASCII_CAST_WARN bool QString::operator!=(const QByteArray &s) const { return QString::compare_helper(constData(), size(), s.constData(), qstrnlen(s.constData(), s.size())) != 0; } inline QT_ASCII_CAST_WARN bool QString::operator<(const QByteArray &s) const -{ return QString::compare_helper(constData(), size(), s.constData(), qstrnlen(s.constData(), s.size())) < 0; } +{ return QString::compare_helper(constData(), size(), s.constData(), s.size()) < 0; } inline QT_ASCII_CAST_WARN bool QString::operator>(const QByteArray &s) const -{ return QString::compare_helper(constData(), size(), s.constData(), qstrnlen(s.constData(), s.size())) > 0; } +{ return QString::compare_helper(constData(), size(), s.constData(), s.size()) > 0; } inline QT_ASCII_CAST_WARN bool QString::operator<=(const QByteArray &s) const -{ return QString::compare_helper(constData(), size(), s.constData(), qstrnlen(s.constData(), s.size())) <= 0; } +{ return QString::compare_helper(constData(), size(), s.constData(), s.size()) <= 0; } inline QT_ASCII_CAST_WARN bool QString::operator>=(const QByteArray &s) const -{ return QString::compare_helper(constData(), size(), s.constData(), qstrnlen(s.constData(), s.size())) >= 0; } +{ return QString::compare_helper(constData(), size(), s.constData(), s.size()) >= 0; } inline bool QByteArray::operator==(const QString &s) const { return QString::compare_helper(s.constData(), s.size(), constData(), qstrnlen(constData(), size())) == 0; } inline bool QByteArray::operator!=(const QString &s) const { return QString::compare_helper(s.constData(), s.size(), constData(), qstrnlen(constData(), size())) != 0; } inline bool QByteArray::operator<(const QString &s) const -{ return QString::compare_helper(s.constData(), s.size(), constData(), qstrnlen(constData(), size())) > 0; } +{ return QString::compare_helper(s.constData(), s.size(), constData(), size()) > 0; } inline bool QByteArray::operator>(const QString &s) const -{ return QString::compare_helper(s.constData(), s.size(), constData(), qstrnlen(constData(), size())) < 0; } +{ return QString::compare_helper(s.constData(), s.size(), constData(), size()) < 0; } inline bool QByteArray::operator<=(const QString &s) const -{ return QString::compare_helper(s.constData(), s.size(), constData(), qstrnlen(constData(), size())) >= 0; } +{ return QString::compare_helper(s.constData(), s.size(), constData(), size()) >= 0; } inline bool QByteArray::operator>=(const QString &s) const -{ return QString::compare_helper(s.constData(), s.size(), constData(), qstrnlen(constData(), size())) <= 0; } +{ return QString::compare_helper(s.constData(), s.size(), constData(), size()) <= 0; } #endif // !defined(QT_NO_CAST_FROM_ASCII) && !defined(QT_RESTRICTED_CAST_FROM_ASCII) #ifndef QT_NO_CAST_TO_ASCII @@ -1343,28 +1355,32 @@ public: typedef QString::const_reference const_reference; // ### Qt 6: make this constructor constexpr, after the destructor is made trivial - inline QStringRef():m_string(0), m_position(0), m_size(0){} + inline QStringRef() : m_string(Q_NULLPTR), m_position(0), m_size(0) {} inline QStringRef(const QString *string, int position, int size); inline QStringRef(const QString *string); - // ### Qt 6: remove this copy constructor, the implicit one is fine - inline QStringRef(const QStringRef &other) +#if QT_VERSION < QT_VERSION_CHECK(6,0,0) + // ### Qt 6: remove all of these, the implicit ones are fine + QStringRef(const QStringRef &other) Q_DECL_NOTHROW :m_string(other.m_string), m_position(other.m_position), m_size(other.m_size) {} - - // ### Qt 6: remove this destructor, the implicit one is fine +#ifdef Q_COMPILER_RVALUE_REFS + QStringRef(QStringRef &&other) Q_DECL_NOTHROW : m_string(other.m_string), m_position(other.m_position), m_size(other.m_size) {} + QStringRef &operator=(QStringRef &&other) Q_DECL_NOTHROW { return *this = other; } +#endif + QStringRef &operator=(const QStringRef &other) Q_DECL_NOTHROW { + m_string = other.m_string; m_position = other.m_position; + m_size = other.m_size; return *this; + } inline ~QStringRef(){} +#endif // Qt < 6.0.0 + inline const QString *string() const { return m_string; } inline int position() const { return m_position; } inline int size() const { return m_size; } inline int count() const { return m_size; } inline int length() const { return m_size; } - inline QStringRef &operator=(const QStringRef &other) { - m_string = other.m_string; m_position = other.m_position; - m_size = other.m_size; return *this; - } - int indexOf(const QString &str, int from = 0, Qt::CaseSensitivity cs = Qt::CaseSensitive) const; int indexOf(QChar ch, int from = 0, Qt::CaseSensitivity cs = Qt::CaseSensitive) const; int indexOf(QLatin1String str, int from = 0, Qt::CaseSensitivity cs = Qt::CaseSensitive) const; @@ -1392,6 +1408,8 @@ public: QStringRef right(int n) const Q_REQUIRED_RESULT; QStringRef mid(int pos, int n = -1) const Q_REQUIRED_RESULT; + void truncate(int pos) Q_DECL_NOTHROW { m_size = qBound(0, pos, m_size); } + bool startsWith(const QString &s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const; bool startsWith(QLatin1String s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const; bool startsWith(QChar c, Qt::CaseSensitivity cs = Qt::CaseSensitive) const; @@ -1425,10 +1443,10 @@ public: QByteArray toLocal8Bit() const Q_REQUIRED_RESULT; QVector<uint> toUcs4() const Q_REQUIRED_RESULT; - inline void clear() { m_string = 0; m_position = m_size = 0; } + inline void clear() { m_string = Q_NULLPTR; m_position = m_size = 0; } QString toString() const; inline bool isEmpty() const { return m_size == 0; } - inline bool isNull() const { return m_string == 0 || m_string->isNull(); } + inline bool isNull() const { return m_string == Q_NULLPTR || m_string->isNull(); } QStringRef appendTo(QString *string) const; @@ -1461,16 +1479,16 @@ public: static int localeAwareCompare(const QStringRef &s1, const QStringRef &s2); QStringRef trimmed() const Q_REQUIRED_RESULT; - short toShort(bool *ok = 0, int base = 10) const; - ushort toUShort(bool *ok = 0, int base = 10) const; - int toInt(bool *ok = 0, int base = 10) const; - uint toUInt(bool *ok = 0, int base = 10) const; - long toLong(bool *ok = 0, int base = 10) const; - ulong toULong(bool *ok = 0, int base = 10) const; - qlonglong toLongLong(bool *ok = 0, int base = 10) const; - qulonglong toULongLong(bool *ok = 0, int base = 10) const; - float toFloat(bool *ok = 0) const; - double toDouble(bool *ok = 0) const; + short toShort(bool *ok = Q_NULLPTR, int base = 10) const; + ushort toUShort(bool *ok = Q_NULLPTR, int base = 10) const; + int toInt(bool *ok = Q_NULLPTR, int base = 10) const; + uint toUInt(bool *ok = Q_NULLPTR, int base = 10) const; + long toLong(bool *ok = Q_NULLPTR, int base = 10) const; + ulong toULong(bool *ok = Q_NULLPTR, int base = 10) const; + qlonglong toLongLong(bool *ok = Q_NULLPTR, int base = 10) const; + qulonglong toULongLong(bool *ok = Q_NULLPTR, int base = 10) const; + float toFloat(bool *ok = Q_NULLPTR) const; + double toDouble(bool *ok = Q_NULLPTR) const; }; Q_DECLARE_TYPEINFO(QStringRef, Q_PRIMITIVE_TYPE); @@ -1576,6 +1594,9 @@ inline bool QStringRef::contains(QChar c, Qt::CaseSensitivity cs) const inline bool QStringRef::contains(const QStringRef &s, Qt::CaseSensitivity cs) const { return indexOf(s, 0, cs) != -1; } +inline QString &QString::insert(int i, const QStringRef &s) +{ return insert(i, s.constData(), s.length()); } + namespace Qt { #if QT_DEPRECATED_SINCE(5, 0) QT_DEPRECATED inline QString escape(const QString &plain) { |