qstring.h

qt-x11-opensource-src-4.1.4.tar.gz源码

inline QString &QString::setNum(ushort n, int base)
{ return setNum(qulonglong(n), base); }
inline QString &QString::setNum(int n, int base)
{ return setNum(qlonglong(n), base); }
inline QString &QString::setNum(uint n, int base)
{ return setNum(qulonglong(n), base); }
inline QString &QString::setNum(long n, int base)
{ return setNum(qlonglong(n), base); }
inline QString &QString::setNum(ulong n, int base)
{ return setNum(qulonglong(n), base); }
inline QString &QString::setNum(float n, char f, int prec)
{ return setNum(double(n),f,prec); }
inline QString QString::arg(int a, int fieldWidth, int base, const QChar &fillChar) const
{ return arg(qlonglong(a), fieldWidth, base, fillChar); }
inline QString QString::arg(uint a, int fieldWidth, int base, const QChar &fillChar) const
{ return arg(qulonglong(a), fieldWidth, base, fillChar); }
inline QString QString::arg(long a, int fieldWidth, int base, const QChar &fillChar) const
{ return arg(qlonglong(a), fieldWidth, base, fillChar); }
inline QString QString::arg(ulong a, int fieldWidth, int base, const QChar &fillChar) const
{ return arg(qulonglong(a), fieldWidth, base, fillChar); }
inline QString QString::arg(short a, int fieldWidth, int base, const QChar &fillChar) const
{ return arg(qlonglong(a), fieldWidth, base, fillChar); }
inline QString QString::arg(ushort a, int fieldWidth, int base, const QChar &fillChar) const
{ return arg(qulonglong(a), fieldWidth, base, fillChar); }
inline QString QString::arg(const QString &a1, const QString &a2) const
{ const QString *args[2] = { &a1, &a2 }; return multiArg(2, args); }
inline QString QString::arg(const QString &a1, const QString &a2, const QString &a3) const
{ const QString *args[3] = { &a1, &a2, &a3 }; return multiArg(3, args); }
inline QString QString::arg(const QString &a1, const QString &a2, const QString &a3, const QString &a4) const
{ const QString *args[4] = { &a1, &a2, &a3, &a4 }; return multiArg(4, args); }
inline QString QString::section(QChar asep, int astart, int aend, SectionFlags aflags) const
{ return section(QString(asep), astart, aend, aflags); }


class Q_CORE_EXPORT QCharRef {
    QString &s;
    int i;
    inline QCharRef(QString &str, int idx)
        : s(str),i(idx) {}
    friend class QString;
public:

    // most QChar operations repeated here

    // all this is not documented: We just say "like QChar" and let it be.
    inline operator QChar() const
        { return i < s.d->size ? s.d->data[i] : 0; }
    inline QCharRef &operator=(const QChar &c)
        { if (s.d->ref != 1 || i >= s.d->size) s.expand(i);
          s.d->data[i] = c.unicode();  return *this; }

    // An operator= for each QChar cast constructors
#ifndef QT_NO_CAST_FROM_ASCII
    inline QCharRef &operator=(char c) { return operator=(QChar(c)); }
    inline QCharRef &operator=(uchar c) { return operator=(QChar(c)); }
#endif
    inline QCharRef &operator=(const QCharRef &c) { return operator=(QChar(c)); }
    inline QCharRef &operator=(ushort rc) { return operator=(QChar(rc)); }
    inline QCharRef &operator=(short rc) { return operator=(QChar(rc)); }
    inline QCharRef &operator=(uint rc) { return operator=(QChar(rc)); }
    inline QCharRef &operator=(int rc) { return operator=(QChar(rc)); }

    // each function...
    inline bool isNull() const { return QChar(*this).isNull(); }
    inline bool isPrint() const { return QChar(*this).isPrint(); }
    inline bool isPunct() const { return QChar(*this).isPunct(); }
    inline bool isSpace() const { return QChar(*this).isSpace(); }
    inline bool isMark() const { return QChar(*this).isMark(); }
    inline bool isLetter() const { return QChar(*this).isLetter(); }
    inline bool isNumber() const { return QChar(*this).isNumber(); }
    inline bool isLetterOrNumber() { return QChar(*this).isLetterOrNumber(); }
    inline bool isDigit() const { return QChar(*this).isDigit(); }

    inline int digitValue() const { return QChar(*this).digitValue(); }
    QChar toLower() const { return QChar(*this).toLower(); }
    QChar toUpper() const { return QChar(*this).toUpper(); }
#ifdef QT3_SUPPORT
    inline QT3_SUPPORT QChar lower() const { return QChar(*this).toLower(); }
    inline QT3_SUPPORT QChar upper() const { return QChar(*this).toUpper(); }
#endif

    QChar::Category category() const { return QChar(*this).category(); }
    QChar::Direction direction() const { return QChar(*this).direction(); }
    QChar::Joining joining() const { return QChar(*this).joining(); }
    bool hasMirrored() const { return QChar(*this).hasMirrored(); }
#ifdef QT3_SUPPORT
    inline bool QT3_SUPPORT mirrored() const { return hasMirrored(); }
#endif
    QChar mirroredChar() const { return QChar(*this).mirroredChar(); }
    QString decomposition() const { return QChar(*this).decomposition(); }
    QChar::Decomposition decompositionTag() const { return QChar(*this).decompositionTag(); }
    uchar combiningClass() const { return QChar(*this).combiningClass(); }

    QChar::UnicodeVersion unicodeVersion() const { return QChar(*this).unicodeVersion(); }

    inline uchar cell() const { return QChar(*this).cell(); }
    inline uchar row() const { return QChar(*this).row(); }
    inline void setCell(uchar cell);
    inline void setRow(uchar row);

    const char toAscii() const { return QChar(*this).toAscii(); }
    const char toLatin1() const { return QChar(*this).toLatin1(); }
#ifdef QT3_SUPPORT
    const char latin1() const { return QChar(*this).toLatin1(); }
    const char ascii() const { return QChar(*this).toAscii(); }
#endif
    const ushort unicode() const { return QChar(*this).unicode(); }
};

inline void QCharRef::setRow(uchar arow) { QChar(*this).setRow(arow); }
inline void QCharRef::setCell(uchar acell) { QChar(*this).setCell(acell); }


inline QString::QString() : d(&shared_null) { d->ref.ref(); }
inline QString::~QString() { if (!d->ref.deref()) free(d); }
inline void QString::reserve(int asize) { if (d->ref != 1 || asize > d->alloc) realloc(asize); }
inline QString &QString::setUtf16(const ushort *autf16, int asize)
{ return setUnicode(reinterpret_cast<const QChar *>(autf16), asize); }
inline QCharRef QString::operator[](int i)
{ Q_ASSERT(i >= 0); return QCharRef(*this, i); }
inline QCharRef QString::operator[](uint i)
{ return QCharRef(*this, i); }
inline QString::iterator QString::begin()
{ detach(); return reinterpret_cast<QChar*>(d->data); }
inline QString::const_iterator QString::begin() const
{ return reinterpret_cast<const QChar*>(d->data); }
inline QString::const_iterator QString::constBegin() const
{ return reinterpret_cast<const QChar*>(d->data); }
inline QString::iterator QString::end()
{ detach(); return reinterpret_cast<QChar*>(d->data + d->size); }
inline QString::const_iterator QString::end() const
{ return reinterpret_cast<const QChar*>(d->data + d->size); }
inline QString::const_iterator QString::constEnd() const
{ return reinterpret_cast<const QChar*>(d->data + d->size); }
inline QBool QString::contains(const QString &s, Qt::CaseSensitivity cs) const
{ return QBool(indexOf(s, 0, cs) != -1); }
inline QBool QString::contains(QChar c, Qt::CaseSensitivity cs) const
{ return QBool(indexOf(c, 0, cs) != -1); }


inline bool operator==(QString::Null, QString::Null) { return true; }
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!=(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(); }

#ifndef QT_NO_CAST_FROM_ASCII
inline bool QString::operator==(const char *s) const {
#  ifndef QT_NO_TEXTCODEC
    if (codecForCStrings) return (*this == QString::fromAscii(s));
#  endif
    return (*this == QLatin1String(s));
}
inline bool QString::operator!=(const char *s) const{ return !(*this == s); }
inline bool QString::operator<(const char *s) const { return *this < QString::fromAscii(s); }
inline bool QString::operator>(const char *s) const { return *this > QString::fromAscii(s); }
inline bool QString::operator<=(const char *s) const { return *this <= QString::fromAscii(s); }
inline bool QString::operator>=(const char *s) const { return *this >= QString::fromAscii(s); }

inline bool operator==(const char *s1, const QString &s2) { return (s2 == s1); }
inline bool operator!=(const char *s1, const QString &s2) { return !(s2 == s1); }
inline bool operator<(const char *s1, const QString &s2) { return (QString::fromAscii(s1) < s2); }
inline bool operator>(const char *s1, const QString &s2) { return (QString::fromAscii(s1) > s2); }
inline bool operator<=(const char *s1, const QString &s2) { return (QString::fromAscii(s1) <= s2); }
inline bool operator>=(const char *s1, const QString &s2) { return (QString::fromAscii(s1) >= s2); }

inline bool QByteArray::operator==(const QString &s) const { return constData() == s; }
inline bool QByteArray::operator!=(const QString &s) const { return !(constData() == s); }
inline bool QByteArray::operator<(const QString &s) const { return constData() < s; }
inline bool QByteArray::operator>(const QString &s) const { return constData() > s; }
inline bool QByteArray::operator<=(const QString &s) const { return constData() <= s; }
inline bool QByteArray::operator>=(const QString &s) const { return constData() >= s; }
#endif   // QT_NO_CAST_FROM_ASCII

#ifndef QT_NO_CAST_TO_ASCII
inline QByteArray &QByteArray::append(const QString &s)
{ return append(s.toAscii()); }
inline QByteArray &QByteArray::insert(int i, const QString &s)
{ return insert(i, s.toAscii()); }
inline QByteArray &QByteArray::replace(char c, const QString &after)
{ return replace(c, after.toAscii()); }
inline QByteArray &QByteArray::replace(const QString &before, const char *after)
{ return replace(before.toAscii(), after); }
inline QByteArray &QByteArray::replace(const QString &before, const QByteArray &after)
{ return replace(before, after.constData()); }
inline QByteArray &QByteArray::operator+=(const QString &s)
{ return operator+=(s.toAscii()); }
inline int QByteArray::indexOf(const QString &s, int from) const
{ return indexOf(s.toAscii(), from); }
inline int QByteArray::lastIndexOf(const QString &s, int from) const
{ return lastIndexOf(s.toAscii(), from); }
#ifdef QT3_SUPPORT
inline int QByteArray::find(const QString &s, int from) const
{ return indexOf(s, from); }
inline int QByteArray::findRev(const QString &s, int from) const
{ return lastIndexOf(s, from); }
#endif // QT3_SUPPORT
#endif // QT_NO_CAST_TO_ASCII

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
inline const QString operator+(const QString &s1, const char *s2)
{ QString t(s1); t += QString::fromAscii(s2); return t; }
inline const QString operator+(const char *s1, const QString &s2)
{ QString t(s1); t += s2; return t; }
inline const QString operator+(char c, const QString &s)
{ QString t = s; t.prepend(QChar(c)); return t; }
inline const QString operator+(const QString &s, char c)
{ QString t(s); t += c; return t; }
inline const QString operator+(const QByteArray &ba, const QString &s)
{ QString t(ba); t += s; return t; }
inline const QString operator+(const QString &s, const QByteArray &ba)
{ QString t(s); t += ba; return t; }
#endif

#ifndef QT_NO_STL
inline std::string QString::toStdString() const
{ const QByteArray asc = toAscii(); return std::string(asc.constData(), asc.length()); }

inline QString QString::fromStdString(const std::string &s)
{ return fromAscii(s.data(), int(s.size())); }

# ifndef QT_NO_STL_WCHAR
inline QStdWString QString::toStdWString() const
{
    QStdWString str;
    str.resize(length());

#if defined(_MSC_VER) && _MSC_VER >= 1400
    // VS2005 crashes if the string is empty
    if (!length())
        return str;
#endif

    str.resize(toWCharArray(&(*str.begin())));
    return str;
}
inline QString QString::fromStdWString(const QStdWString &s)
{ return fromWCharArray(s.data(), int(s.size())); }
# endif
#endif

#ifdef QT3_SUPPORT
inline QChar &QString::ref(uint i)
{
    if (int(i) > d->size || d->ref != 1)
        resize(qMax(int(i), d->size));
    return reinterpret_cast<QChar&>(d->data[i]);
}
#endif

#ifndef QT_NO_DATASTREAM
Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QString &);
Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QString &);
#endif

#ifdef QT3_SUPPORT
class QConstString : public QString
{
public:
    inline QT3_SUPPORT_CONSTRUCTOR QConstString(const QChar *unicode, int size)
        :QString(unicode, size){} // cannot use fromRawData() due to changed semantics
    inline QT3_SUPPORT const QString &string() const { return *this; }
};
#endif

Q_DECLARE_TYPEINFO(QString, Q_MOVABLE_TYPE);
Q_DECLARE_SHARED(QString)
Q_DECLARE_OPERATORS_FOR_FLAGS(QString::SectionFlags)

#if defined(Q_OS_WIN32)
extern Q_CORE_EXPORT QByteArray qt_winQString2MB(const QString& s, int len=-1);
extern Q_CORE_EXPORT QByteArray qt_winQString2MB(const QChar *ch, int len);
extern Q_CORE_EXPORT QString qt_winMB2QString(const char* mb, int len=-1);
#endif

QT_END_HEADER

#endif // QSTRING_H