diff options
author | Qt Continuous Integration System <qt-info@nokia.com> | 2011-05-27 02:26:49 (GMT) |
---|---|---|
committer | Qt Continuous Integration System <qt-info@nokia.com> | 2011-05-27 02:26:49 (GMT) |
commit | 271a96f201ebcd346bb532e207c1d0e465f89584 (patch) | |
tree | 3cfca45c9d5e1e1ab3162a444c4110d20c1056cf /src/corelib/plugin | |
parent | e4026fee42b584c59db3f9f6d5acd2b4a08324d0 (diff) | |
parent | dd33e048451ffc5420adbca9f30dba65f5dcf5e2 (diff) | |
download | Qt-271a96f201ebcd346bb532e207c1d0e465f89584.zip Qt-271a96f201ebcd346bb532e207c1d0e465f89584.tar.gz Qt-271a96f201ebcd346bb532e207c1d0e465f89584.tar.bz2 |
Merge branch 'master' of scm.dev.nokia.troll.no:qt/qt-earth-staging into master-integration
* 'master' of scm.dev.nokia.troll.no:qt/qt-earth-staging: (25 commits)
Added some of my Qt 4.8 changes to the changelog
Update bearer startup code in network autotests
symbian socket engine: share ip address conversion code
license header check: fix exception for URL TLD table
QUrl TLD: fix documentation file for "Add QUrl::topLevelDomain() ..."
Add QUrl::topLevelDomain() and move TLD table from QtNetwork to QtCore
fix Symbian ordinals for merge request re. utf8 characters in SSL certs
add auto test for SSL certificates containing utf8 characters
fix coding style for merge request re. utf8 characters in SSL certs
Use OpenSSL X509_NAME_ENTRY API to parse UTF8 subjectName/issuerName
Fix the build for QUuid
Improved performance of the QLocale::name() function.
Optimize QUuid::QUuid(const char *)
QDataStream: speedup steaming of QUuid.
Add QUuid::toRfc4122() and fromRfc4122()
Add QUuid::toByteArray() and relevant
Optimize QUuid::toString() and relevant
Add some autotests and benchmarks for QUuid
tst_qhostinfo: Fix IPv6 lookup detection on Windows.
Fix typo in comment
...
Diffstat (limited to 'src/corelib/plugin')
-rw-r--r-- | src/corelib/plugin/quuid.cpp | 383 | ||||
-rw-r--r-- | src/corelib/plugin/quuid.h | 6 |
2 files changed, 323 insertions, 66 deletions
diff --git a/src/corelib/plugin/quuid.cpp b/src/corelib/plugin/quuid.cpp index 9cd353a..eb29e6e 100644 --- a/src/corelib/plugin/quuid.cpp +++ b/src/corelib/plugin/quuid.cpp @@ -42,9 +42,96 @@ #include "quuid.h" #include "qdatastream.h" +#include "qendian.h" QT_BEGIN_NAMESPACE +#ifndef QT_NO_QUUID_STRING +template <class Char, class Integral> +void _q_toHex(Char *&dst, Integral value) +{ + static const char digits[] = "0123456789abcdef"; + + value = qToBigEndian(value); + + const char* p = reinterpret_cast<const char*>(&value); + + for (uint i = 0; i < sizeof(Integral); ++i, dst += 2) { + uint j = (p[i] >> 4) & 0xf; + dst[0] = Char(digits[j]); + j = p[i] & 0xf; + dst[1] = Char(digits[j]); + } +} + +template <class Char, class Integral> +bool _q_fromHex(const Char *&src, Integral &value) +{ + value = 0; + + for (uint i = 0; i < sizeof(Integral) * 2; ++i) { + int ch = *src++; + int tmp; + if (ch >= '0' && ch <= '9') + tmp = ch - '0'; + else if (ch >= 'a' && ch <= 'f') + tmp = ch - 'a' + 10; + else if (ch >= 'A' && ch <= 'F') + tmp = ch - 'A' + 10; + else + return false; + + value = value * 16 + tmp; + } + + return true; +} + +template <class Char> +void _q_uuidToHex(Char *&dst, const uint &d1, const ushort &d2, const ushort &d3, const uchar (&d4)[8]) +{ + *dst++ = Char('{'); + _q_toHex(dst, d1); + *dst++ = Char('-'); + _q_toHex(dst, d2); + *dst++ = Char('-'); + _q_toHex(dst, d3); + *dst++ = Char('-'); + for (int i = 0; i < 2; i++) + _q_toHex(dst, d4[i]); + *dst++ = Char('-'); + for (int i = 2; i < 8; i++) + _q_toHex(dst, d4[i]); + *dst = Char('}'); +} + +template <class Char> +bool _q_uuidFromHex(const Char *&src, uint &d1, ushort &d2, ushort &d3, uchar (&d4)[8]) +{ + if (*src == Char('{')) + src++; + if (!_q_fromHex(src, d1) + || *src++ != Char('-') + || !_q_fromHex(src, d2) + || *src++ != Char('-') + || !_q_fromHex(src, d3) + || *src++ != Char('-') + || !_q_fromHex(src, d4[0]) + || !_q_fromHex(src, d4[1]) + || *src++ != Char('-') + || !_q_fromHex(src, d4[2]) + || !_q_fromHex(src, d4[3]) + || !_q_fromHex(src, d4[4]) + || !_q_fromHex(src, d4[5]) + || !_q_fromHex(src, d4[6]) + || !_q_fromHex(src, d4[7])) { + return false; + } + + return true; +} +#endif + /*! \class QUuid \brief The QUuid class stores a Universally Unique Identifier (UUID). @@ -231,60 +318,112 @@ QT_BEGIN_NAMESPACE */ QUuid::QUuid(const QString &text) { - bool ok; - if (text.isEmpty()) { + if (text.length() < 36) { *this = QUuid(); return; } - QString temp = text.toUpper(); - if (temp[0] != QLatin1Char('{')) - temp = QLatin1Char('{') + text; - if (text[(int)text.length()-1] != QLatin1Char('}')) - temp += QLatin1Char('}'); - - data1 = temp.mid(1, 8).toULongLong(&ok, 16); - if (!ok) { + + const ushort *data = reinterpret_cast<const ushort *>(text.unicode()); + + if (*data == '{' && text.length() < 37) { *this = QUuid(); return; } - data2 = temp.mid(10, 4).toUInt(&ok, 16); - if (!ok) { + if (!_q_uuidFromHex(data, data1, data2, data3, data4)) { *this = QUuid(); return; } - data3 = temp.mid(15, 4).toUInt(&ok, 16); - if (!ok) { +} + +/*! + \internal +*/ +QUuid::QUuid(const char *text) +{ + if (!text) { *this = QUuid(); return; } - data4[0] = temp.mid(20, 2).toUInt(&ok, 16); - if (!ok) { + + if (!_q_uuidFromHex(text, data1, data2, data3, data4)) { *this = QUuid(); return; } - data4[1] = temp.mid(22, 2).toUInt(&ok, 16); - if (!ok) { +} + +/*! + Creates a QUuid object from the QByteArray \a text, which must be + formatted as five hex fields separated by '-', e.g., + "{xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}" where 'x' is a hex + digit. The curly braces shown here are optional, but it is normal to + include them. If the conversion fails, a null UUID is created. See + toByteArray() for an explanation of how the five hex fields map to the + public data members in QUuid. + + \since 4.8 + + \sa toByteArray(), QUuid() +*/ +QUuid::QUuid(const QByteArray &text) +{ + if (text.length() < 36) { *this = QUuid(); return; } - for (int i = 2; i<8; i++) { - data4[i] = temp.mid(25 + (i-2)*2, 2).toUShort(&ok, 16); - if (!ok) { - *this = QUuid(); - return; - } + + const char *data = text.constData(); + + if (*data == '{' && text.length() < 37) { + *this = QUuid(); + return; + } + + if (!_q_uuidFromHex(data, data1, data2, data3, data4)) { + *this = QUuid(); + return; } } +#endif /*! - \internal + Creates a QUuid object from the binary representation of the UUID, as + specified by RFC 4122 section 4.1.2. See toRfc4122() for a further + explanation of the order of bytes required. + + The byte array accepted is NOT a human readable format. + + If the conversion fails, a null UUID is created. + + \since 4.8 + + \sa toRfc4122(), QUuid() */ -QUuid::QUuid(const char *text) +QUuid QUuid::fromRfc4122(const QByteArray &bytes) { - *this = QUuid(QString::fromLatin1(text)); + if (bytes.isEmpty() || bytes.length() != 16) + return QUuid(); + + uint d1; + ushort d2, d3; + uchar d4[8]; + + const uchar *data = reinterpret_cast<const uchar *>(bytes.constData()); + + d1 = qFromBigEndian<quint32>(data); + data += sizeof(quint32); + d2 = qFromBigEndian<quint16>(data); + data += sizeof(quint16); + d3 = qFromBigEndian<quint16>(data); + data += sizeof(quint16); + + for (int i = 0; i < 8; ++i) { + d4[i] = *(data); + data++; + } + + return QUuid(d1, d2, d3, d4[0], d4[1], d4[2], d4[3], d4[4], d4[5], d4[6], d4[7]); } -#endif /*! \fn bool QUuid::operator==(const QUuid &other) const @@ -308,11 +447,6 @@ QUuid::QUuid(const char *text) \sa toString() */ -static QString uuidhex(uint data, int digits) -{ - return QString::number(data, 16).rightJustified(digits, QLatin1Char('0')); -} - /*! Returns the string representation of this QUuid. The string is formatted as five hex fields separated by '-' and enclosed in @@ -349,25 +483,114 @@ static QString uuidhex(uint data, int digits) */ QString QUuid::toString() const { - QString result; - - QChar dash = QLatin1Char('-'); - result = QLatin1Char('{') + uuidhex(data1,8); - result += dash; - result += uuidhex(data2,4); - result += dash; - result += uuidhex(data3,4); - result += dash; - result += uuidhex(data4[0],2); - result += uuidhex(data4[1],2); - result += dash; - for (int i = 2; i < 8; i++) - result += uuidhex(data4[i],2); + QString result(38, Qt::Uninitialized); + ushort *data = (ushort *)result.unicode(); + + _q_uuidToHex(data, data1, data2, data3, data4); - return result + QLatin1Char('}'); + return result; +} + +/*! + Returns the binary representation of this QUuid. The byte array is + formatted as five hex fields separated by '-' and enclosed in + curly braces, i.e., "{xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}" where + 'x' is a hex digit. From left to right, the five hex fields are + obtained from the four public data members in QUuid as follows: + + \table + \header + \o Field # + \o Source + + \row + \o 1 + \o data1 + + \row + \o 2 + \o data2 + + \row + \o 3 + \o data3 + + \row + \o 4 + \o data4[0] .. data4[1] + + \row + \o 5 + \o data4[2] .. data4[7] + + \endtable + + \since 4.8 +*/ +QByteArray QUuid::toByteArray() const +{ + QByteArray result(38, Qt::Uninitialized); + char *data = result.data(); + + _q_uuidToHex(data, data1, data2, data3, data4); + + return result; } #endif +/*! + Returns the binary representation of this QUuid. The byte array is in big + endian format, and formatted according to RFC 4122, section 4.1.2 - + "Layout and byte order". + + The order is as follows: + + \table + \header + \o Field # + \o Source + + \row + \o 1 + \o data1 + + \row + \o 2 + \o data2 + + \row + \o 3 + \o data3 + + \row + \o 4 + \o data4[0] .. data4[7] + + \endtable + + \since 4.8 +*/ +QByteArray QUuid::toRfc4122() const +{ + // we know how many bytes a UUID has, I hope :) + QByteArray bytes(16, Qt::Uninitialized); + uchar *data = reinterpret_cast<uchar*>(bytes.data()); + + qToBigEndian(data1, data); + data += sizeof(quint32); + qToBigEndian(data2, data); + data += sizeof(quint16); + qToBigEndian(data3, data); + data += sizeof(quint16); + + for (int i = 0; i < 8; ++i) { + *(data) = data4[i]; + data++; + } + + return bytes; +} + #ifndef QT_NO_DATASTREAM /*! \relates QUuid @@ -375,11 +598,30 @@ QString QUuid::toString() const */ QDataStream &operator<<(QDataStream &s, const QUuid &id) { - s << (quint32)id.data1; - s << (quint16)id.data2; - s << (quint16)id.data3; - for (int i = 0; i < 8; i++) - s << (quint8)id.data4[i]; + QByteArray bytes; + if (s.byteOrder() == QDataStream::BigEndian) { + bytes = id.toRfc4122(); + } else { + // we know how many bytes a UUID has, I hope :) + bytes = QByteArray(16, Qt::Uninitialized); + uchar *data = reinterpret_cast<uchar*>(bytes.data()); + + qToLittleEndian(id.data1, data); + data += sizeof(quint32); + qToLittleEndian(id.data2, data); + data += sizeof(quint16); + qToLittleEndian(id.data3, data); + data += sizeof(quint16); + + for (int i = 0; i < 8; ++i) { + *(data) = id.data4[i]; + data++; + } + } + + if (s.writeRawData(bytes.data(), 16) != 16) { + s.setStatus(QDataStream::WriteFailed); + } return s; } @@ -389,19 +631,30 @@ QDataStream &operator<<(QDataStream &s, const QUuid &id) */ QDataStream &operator>>(QDataStream &s, QUuid &id) { - quint32 u32; - quint16 u16; - quint8 u8; - s >> u32; - id.data1 = u32; - s >> u16; - id.data2 = u16; - s >> u16; - id.data3 = u16; - for (int i = 0; i < 8; i++) { - s >> u8; - id.data4[i] = u8; + QByteArray bytes(16, Qt::Uninitialized); + if (s.readRawData(bytes.data(), 16) != 16) { + s.setStatus(QDataStream::ReadPastEnd); + return s; } + + if (s.byteOrder() == QDataStream::BigEndian) { + id = QUuid::fromRfc4122(bytes); + } else { + const uchar *data = reinterpret_cast<const uchar *>(bytes.constData()); + + id.data1 = qFromLittleEndian<quint32>(data); + data += sizeof(quint32); + id.data2 = qFromLittleEndian<quint16>(data); + data += sizeof(quint16); + id.data3 = qFromLittleEndian<quint16>(data); + data += sizeof(quint16); + + for (int i = 0; i < 8; ++i) { + id.data4[i] = *(data); + data++; + } + } + return s; } #endif // QT_NO_DATASTREAM diff --git a/src/corelib/plugin/quuid.h b/src/corelib/plugin/quuid.h index f42ca91..832d5bc 100644 --- a/src/corelib/plugin/quuid.h +++ b/src/corelib/plugin/quuid.h @@ -108,8 +108,12 @@ struct Q_CORE_EXPORT QUuid QUuid(const QString &); QUuid(const char *); QString toString() const; - operator QString() const { return toString(); } + operator QString() const { return toString(); } // ### Qt5 remove + QUuid(const QByteArray &); + QByteArray toByteArray() const; #endif + QByteArray toRfc4122() const; + static QUuid fromRfc4122(const QByteArray &); bool isNull() const; bool operator==(const QUuid &orig) const |