Long live Qt 4.5!

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diff --git a/src/network/kernel/qurlinfo.cpp b/src/network/kernel/qurlinfo.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtNetwork module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 "qurlinfo.h"
+
+#ifndef QT_NO_URLINFO
+
+#include "qurl.h"
+#include "qdir.h"
+#include <limits.h>
+
+QT_BEGIN_NAMESPACE
+
+class QUrlInfoPrivate
+{
+public:
+    QUrlInfoPrivate() :
+        permissions(0),
+        size(0),
+        isDir(false),
+        isFile(true),
+        isSymLink(false),
+        isWritable(true),
+        isReadable(true),
+        isExecutable(false)
+    {}
+
+    QString name;
+    int permissions;
+    QString owner;
+    QString group;
+    qint64 size;
+
+    QDateTime lastModified;
+    QDateTime lastRead;
+    bool isDir;
+    bool isFile;
+    bool isSymLink;
+    bool isWritable;
+    bool isReadable;
+    bool isExecutable;
+};
+
+
+/*!
+    \class QUrlInfo
+    \brief The QUrlInfo class stores information about URLs.
+
+    \ingroup io
+    \ingroup misc
+
+    The information about a URL that can be retrieved includes name(),
+    permissions(), owner(), group(), size(), lastModified(),
+    lastRead(), isDir(), isFile(), isSymLink(), isWritable(),
+    isReadable() and isExecutable().
+
+    You can create your own QUrlInfo objects passing in all the
+    relevant information in the constructor, and you can modify a
+    QUrlInfo; for each getter mentioned above there is an equivalent
+    setter. Note that setting values does not affect the underlying
+    resource that the QUrlInfo provides information about; for example
+    if you call setWritable(true) on a read-only resource the only
+    thing changed is the QUrlInfo object, not the resource.
+
+    \sa QUrl, {FTP Example}
+*/
+
+/*!
+    \enum QUrlInfo::PermissionSpec
+
+    This enum is used by the permissions() function to report the
+    permissions of a file.
+
+    \value ReadOwner The file is readable by the owner of the file.
+    \value WriteOwner The file is writable by the owner of the file.
+    \value ExeOwner The file is executable by the owner of the file.
+    \value ReadGroup The file is readable by the group.
+    \value WriteGroup The file is writable by the group.
+    \value ExeGroup The file is executable by the group.
+    \value ReadOther The file is readable by anyone.
+    \value WriteOther The file is writable by anyone.
+    \value ExeOther The file is executable by anyone.
+*/
+
+/*!
+    Constructs an invalid QUrlInfo object with default values.
+
+    \sa isValid()
+*/
+
+QUrlInfo::QUrlInfo()
+{
+    d = 0;
+}
+
+/*!
+    Copy constructor, copies \a ui to this URL info object.
+*/
+
+QUrlInfo::QUrlInfo(const QUrlInfo &ui)
+{
+    if (ui.d) {
+        d = new QUrlInfoPrivate;
+        *d = *ui.d;
+    } else {
+        d = 0;
+    }
+}
+
+/*!
+    Constructs a QUrlInfo object by specifying all the URL's
+    information.
+
+    The information that is passed is the \a name, file \a
+    permissions, \a owner and \a group and the file's \a size. Also
+    passed is the \a lastModified date/time and the \a lastRead
+    date/time. Flags are also passed, specifically, \a isDir, \a
+    isFile, \a isSymLink, \a isWritable, \a isReadable and \a
+    isExecutable.
+*/
+
+QUrlInfo::QUrlInfo(const QString &name, int permissions, const QString &owner,
+                    const QString &group, qint64 size, const QDateTime &lastModified,
+                    const QDateTime &lastRead, bool isDir, bool isFile, bool isSymLink,
+                    bool isWritable, bool isReadable, bool isExecutable)
+{
+    d = new QUrlInfoPrivate;
+    d->name = name;
+    d->permissions = permissions;
+    d->owner = owner;
+    d->group = group;
+    d->size = size;
+    d->lastModified = lastModified;
+    d->lastRead = lastRead;
+    d->isDir = isDir;
+    d->isFile = isFile;
+    d->isSymLink = isSymLink;
+    d->isWritable = isWritable;
+    d->isReadable = isReadable;
+    d->isExecutable = isExecutable;
+}
+
+
+/*!
+    Constructs a QUrlInfo object by specifying all the URL's
+    information.
+
+    The information that is passed is the \a url, file \a
+    permissions, \a owner and \a group and the file's \a size. Also
+    passed is the \a lastModified date/time and the \a lastRead
+    date/time. Flags are also passed, specifically, \a isDir, \a
+    isFile, \a isSymLink, \a isWritable, \a isReadable and \a
+    isExecutable.
+*/
+
+QUrlInfo::QUrlInfo(const QUrl &url, int permissions, const QString &owner,
+                    const QString &group, qint64 size, const QDateTime &lastModified,
+                    const QDateTime &lastRead, bool isDir, bool isFile, bool isSymLink,
+                    bool isWritable, bool isReadable, bool isExecutable)
+{
+    d = new QUrlInfoPrivate;
+    d->name = QFileInfo(url.path()).fileName();
+    d->permissions = permissions;
+    d->owner = owner;
+    d->group = group;
+    d->size = size;
+    d->lastModified = lastModified;
+    d->lastRead = lastRead;
+    d->isDir = isDir;
+    d->isFile = isFile;
+    d->isSymLink = isSymLink;
+    d->isWritable = isWritable;
+    d->isReadable = isReadable;
+    d->isExecutable = isExecutable;
+}
+
+
+/*!
+    Sets the name of the URL to \a name. The name is the full text,
+    for example, "http://doc.trolltech.com/qurlinfo.html".
+
+    If you call this function for an invalid URL info, this function
+    turns it into a valid one.
+
+    \sa isValid()
+*/
+
+void QUrlInfo::setName(const QString &name)
+{
+    if (!d)
+        d = new QUrlInfoPrivate;
+    d->name = name;
+}
+
+
+/*!
+    If \a b is true then the URL is set to be a directory; if \a b is
+    false then the URL is set not to be a directory (which normally
+    means it is a file). (Note that a URL can refer to both a file and
+    a directory even though most file systems do not support this.)
+
+    If you call this function for an invalid URL info, this function
+    turns it into a valid one.
+
+    \sa isValid()
+*/
+
+void QUrlInfo::setDir(bool b)
+{
+    if (!d)
+        d = new QUrlInfoPrivate;
+    d->isDir = b;
+}
+
+
+/*!
+    If \a b is true then the URL is set to be a file; if \b is false
+    then the URL is set not to be a file (which normally means it is a
+    directory). (Note that a URL can refer to both a file and a
+    directory even though most file systems do not support this.)
+
+    If you call this function for an invalid URL info, this function
+    turns it into a valid one.
+
+    \sa isValid()
+*/
+
+void QUrlInfo::setFile(bool b)
+{
+    if (!d)
+        d = new QUrlInfoPrivate;
+    d->isFile = b;
+}
+
+
+/*!
+    Specifies that the URL refers to a symbolic link if \a b is true
+    and that it does not if \a b is false.
+
+    If you call this function for an invalid URL info, this function
+    turns it into a valid one.
+
+    \sa isValid()
+*/
+
+void QUrlInfo::setSymLink(bool b)
+{
+    if (!d)
+        d = new QUrlInfoPrivate;
+    d->isSymLink = b;
+}
+
+
+/*!
+    Specifies that the URL is writable if \a b is true and not
+    writable if \a b is false.
+
+    If you call this function for an invalid URL info, this function
+    turns it into a valid one.
+
+    \sa isValid()
+*/
+
+void QUrlInfo::setWritable(bool b)
+{
+    if (!d)
+        d = new QUrlInfoPrivate;
+    d->isWritable = b;
+}
+
+
+/*!
+    Specifies that the URL is readable if \a b is true and not
+    readable if \a b is false.
+
+    If you call this function for an invalid URL info, this function
+    turns it into a valid one.
+
+    \sa isValid()
+*/
+
+void QUrlInfo::setReadable(bool b)
+{
+    if (!d)
+        d = new QUrlInfoPrivate;
+    d->isReadable = b;
+}
+
+/*!
+    Specifies that the owner of the URL is called \a s.
+
+    If you call this function for an invalid URL info, this function
+    turns it into a valid one.
+
+    \sa isValid()
+*/
+
+void QUrlInfo::setOwner(const QString &s)
+{
+    if (!d)
+        d = new QUrlInfoPrivate;
+    d->owner = s;
+}
+
+/*!
+    Specifies that the owning group of the URL is called \a s.
+
+    If you call this function for an invalid URL info, this function
+    turns it into a valid one.
+
+    \sa isValid()
+*/
+
+void QUrlInfo::setGroup(const QString &s)
+{
+    if (!d)
+        d = new QUrlInfoPrivate;
+    d->group = s;
+}
+
+/*!
+    Specifies the \a size of the URL.
+
+    If you call this function for an invalid URL info, this function
+    turns it into a valid one.
+
+    \sa isValid()
+*/
+
+void QUrlInfo::setSize(qint64 size)
+{
+    if (!d)
+        d = new QUrlInfoPrivate;
+    d->size = size;
+}
+
+/*!
+    Specifies that the URL has access permissions \a p.
+
+    If you call this function for an invalid URL info, this function
+    turns it into a valid one.
+
+    \sa isValid()
+*/
+
+void QUrlInfo::setPermissions(int p)
+{
+    if (!d)
+        d = new QUrlInfoPrivate;
+    d->permissions = p;
+}
+
+/*!
+    Specifies that the object the URL refers to was last modified at
+    \a dt.
+
+    If you call this function for an invalid URL info, this function
+    turns it into a valid one.
+
+    \sa isValid()
+*/
+
+void QUrlInfo::setLastModified(const QDateTime &dt)
+{
+    if (!d)
+        d = new QUrlInfoPrivate;
+    d->lastModified = dt;
+}
+
+/*!
+    \since 4.4
+
+    Specifies that the object the URL refers to was last read at
+    \a dt.
+
+    If you call this function for an invalid URL info, this function
+    turns it into a valid one.
+
+    \sa isValid()
+*/
+
+void QUrlInfo::setLastRead(const QDateTime &dt)
+{
+    if (!d)
+        d = new QUrlInfoPrivate;
+    d->lastRead = dt;
+}
+
+/*!
+    Destroys the URL info object.
+*/
+
+QUrlInfo::~QUrlInfo()
+{
+    delete d;
+}
+
+/*!
+    Assigns the values of \a ui to this QUrlInfo object.
+*/
+
+QUrlInfo &QUrlInfo::operator=(const QUrlInfo &ui)
+{
+    if (ui.d) {
+        if (!d)
+            d= new QUrlInfoPrivate;
+        *d = *ui.d;
+    } else {
+        delete d;
+        d = 0;
+    }
+    return *this;
+}
+
+/*!
+    Returns the file name of the URL.
+
+    \sa isValid()
+*/
+
+QString QUrlInfo::name() const
+{
+    if (!d)
+        return QString();
+    return d->name;
+}
+
+/*!
+    Returns the permissions of the URL. You can use the \c PermissionSpec flags
+    to test for certain permissions.
+
+    \sa isValid()
+*/
+
+int QUrlInfo::permissions() const
+{
+    if (!d)
+        return 0;
+    return d->permissions;
+}
+
+/*!
+    Returns the owner of the URL.
+
+    \sa isValid()
+*/
+
+QString QUrlInfo::owner() const
+{
+    if (!d)
+        return QString();
+    return d->owner;
+}
+
+/*!
+    Returns the group of the URL.
+
+    \sa isValid()
+*/
+
+QString QUrlInfo::group() const
+{
+    if (!d)
+        return QString();
+    return d->group;
+}
+
+/*!
+    Returns the size of the URL.
+
+    \sa isValid()
+*/
+
+qint64 QUrlInfo::size() const
+{
+    if (!d)
+        return 0;
+    return d->size;
+}
+
+/*!
+    Returns the last modification date of the URL.
+
+    \sa isValid()
+*/
+
+QDateTime QUrlInfo::lastModified() const
+{
+    if (!d)
+        return QDateTime();
+    return d->lastModified;
+}
+
+/*!
+    Returns the date when the URL was last read.
+
+    \sa isValid()
+*/
+
+QDateTime QUrlInfo::lastRead() const
+{
+    if (!d)
+        return QDateTime();
+    return d->lastRead;
+}
+
+/*!
+    Returns true if the URL is a directory; otherwise returns false.
+
+    \sa isValid()
+*/
+
+bool QUrlInfo::isDir() const
+{
+    if (!d)
+        return false;
+    return d->isDir;
+}
+
+/*!
+    Returns true if the URL is a file; otherwise returns false.
+
+    \sa isValid()
+*/
+
+bool QUrlInfo::isFile() const
+{
+    if (!d)
+        return false;
+    return d->isFile;
+}
+
+/*!
+    Returns true if the URL is a symbolic link; otherwise returns false.
+
+    \sa isValid()
+*/
+
+bool QUrlInfo::isSymLink() const
+{
+    if (!d)
+        return false;
+    return d->isSymLink;
+}
+
+/*!
+    Returns true if the URL is writable; otherwise returns false.
+
+    \sa isValid()
+*/
+
+bool QUrlInfo::isWritable() const
+{
+    if (!d)
+        return false;
+    return d->isWritable;
+}
+
+/*!
+    Returns true if the URL is readable; otherwise returns false.
+
+    \sa isValid()
+*/
+
+bool QUrlInfo::isReadable() const
+{
+    if (!d)
+        return false;
+    return d->isReadable;
+}
+
+/*!
+    Returns true if the URL is executable; otherwise returns false.
+
+    \sa isValid()
+*/
+
+bool QUrlInfo::isExecutable() const
+{
+    if (!d)
+        return false;
+    return d->isExecutable;
+}
+
+/*!
+    Returns true if \a i1 is greater than \a i2; otherwise returns
+    false. The objects are compared by the value, which is specified
+    by \a sortBy. This must be one of QDir::Name, QDir::Time or
+    QDir::Size.
+*/
+
+bool QUrlInfo::greaterThan(const QUrlInfo &i1, const QUrlInfo &i2,
+                            int sortBy)
+{
+    switch (sortBy) {
+    case QDir::Name:
+        return i1.name() > i2.name();
+    case QDir::Time:
+        return i1.lastModified() > i2.lastModified();
+    case QDir::Size:
+        return i1.size() > i2.size();
+    default:
+        return false;
+    }
+}
+
+/*!
+    Returns true if \a i1 is less than \a i2; otherwise returns false.
+    The objects are compared by the value, which is specified by \a
+    sortBy. This must be one of QDir::Name, QDir::Time or QDir::Size.
+*/
+
+bool QUrlInfo::lessThan(const QUrlInfo &i1, const QUrlInfo &i2,
+                         int sortBy)
+{
+    return !greaterThan(i1, i2, sortBy);
+}
+
+/*!
+    Returns true if \a i1 equals to \a i2; otherwise returns false.
+    The objects are compared by the value, which is specified by \a
+    sortBy. This must be one of QDir::Name, QDir::Time or QDir::Size.
+*/
+
+bool QUrlInfo::equal(const QUrlInfo &i1, const QUrlInfo &i2,
+                      int sortBy)
+{
+    switch (sortBy) {
+    case QDir::Name:
+        return i1.name() == i2.name();
+    case QDir::Time:
+        return i1.lastModified() == i2.lastModified();
+    case QDir::Size:
+        return i1.size() == i2.size();
+    default:
+        return false;
+    }
+}
+
+/*!
+    Returns true if this QUrlInfo is equal to \a other; otherwise
+    returns false.
+
+    \sa lessThan(), equal()
+*/
+
+bool QUrlInfo::operator==(const QUrlInfo &other) const
+{
+    if (!d)
+        return other.d == 0;
+    if (!other.d)
+        return false;
+
+    return (d->name == other.d->name &&
+            d->permissions == other.d->permissions &&
+            d->owner == other.d->owner &&
+            d->group == other.d->group &&
+            d->size == other.d->size &&
+            d->lastModified == other.d->lastModified &&
+            d->lastRead == other.d->lastRead &&
+            d->isDir == other.d->isDir &&
+            d->isFile == other.d->isFile &&
+            d->isSymLink == other.d->isSymLink &&
+            d->isWritable == other.d->isWritable &&
+            d->isReadable == other.d->isReadable &&
+            d->isExecutable == other.d->isExecutable);
+}
+
+/*!
+    \fn bool QUrlInfo::operator!=(const QUrlInfo &other) const
+    \since 4.2
+
+    Returns true if this QUrlInfo is not equal to \a other; otherwise
+    returns false.
+
+    \sa lessThan(), equal()
+*/
+
+/*!
+    Returns true if the URL info is valid; otherwise returns false.
+    Valid means that the QUrlInfo contains real information.
+
+    You should always check if the URL info is valid before relying on
+    the values.
+*/
+bool QUrlInfo::isValid() const
+{
+    return d != 0;
+}
+
+#endif // QT_NO_URLINFO
+
+QT_END_NAMESPACE