qt6-bb10/src/corelib/io/qtldurl.cpp

118 lines
3.9 KiB
C++

/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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 1.1, 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
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**
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** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
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** $QT_END_LICENSE$
**
****************************************************************************/
#include "qplatformdefs.h"
#include "qurl.h"
#include "private/qurltlds_p.h"
#include "private/qtldurl_p.h"
#include "QtCore/qstringlist.h"
QT_BEGIN_NAMESPACE
static bool containsTLDEntry(const QString &entry)
{
int index = qHash(entry) % tldCount;
int currentDomainIndex = tldIndices[index];
while (currentDomainIndex < tldIndices[index+1]) {
QString currentEntry = QString::fromUtf8(tldData + currentDomainIndex);
if (currentEntry == entry)
return true;
currentDomainIndex += qstrlen(tldData + currentDomainIndex) + 1; // +1 for the ending \0
}
return false;
}
/*!
\internal
Return the top-level-domain per Qt's copy of the Mozilla public suffix list of
\a domain.
*/
Q_CORE_EXPORT QString qTopLevelDomain(const QString &domain)
{
QStringList sections = domain.toLower().split(QLatin1Char('.'), QString::SkipEmptyParts);
if (sections.isEmpty())
return QString();
QString level, tld;
for (int j = sections.count() - 1; j >= 0; --j) {
level.prepend(QLatin1Char('.') + sections.at(j));
if (qIsEffectiveTLD(level.right(level.size() - 1)))
tld = level;
}
return tld;
}
/*!
\internal
Return true if \a domain is a top-level-domain per Qt's copy of the Mozilla public suffix list.
*/
Q_CORE_EXPORT bool qIsEffectiveTLD(const QString &domain)
{
// for domain 'foo.bar.com':
// 1. return if TLD table contains 'foo.bar.com'
if (containsTLDEntry(domain))
return true;
if (domain.contains(QLatin1Char('.'))) {
int count = domain.size() - domain.indexOf(QLatin1Char('.'));
QString wildCardDomain;
wildCardDomain.reserve(count + 1);
wildCardDomain.append(QLatin1Char('*'));
wildCardDomain.append(domain.right(count));
// 2. if table contains '*.bar.com',
// test if table contains '!foo.bar.com'
if (containsTLDEntry(wildCardDomain)) {
QString exceptionDomain;
exceptionDomain.reserve(domain.size() + 1);
exceptionDomain.append(QLatin1Char('!'));
exceptionDomain.append(domain);
return (! containsTLDEntry(exceptionDomain));
}
}
return false;
}
QT_END_NAMESPACE