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Diffstat (limited to 'tools/assistant/lib/qhelp_global.h')
-rw-r--r-- | tools/assistant/lib/qhelp_global.h | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/tools/assistant/lib/qhelp_global.h b/tools/assistant/lib/qhelp_global.h new file mode 100644 index 0000000..5f09a08 --- /dev/null +++ b/tools/assistant/lib/qhelp_global.h @@ -0,0 +1,124 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the Qt Assistant 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. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QHELP_GLOBAL_H +#define QHELP_GLOBAL_H + +#include <QtCore/qglobal.h> +#include <QtCore/QString> +#include <QtCore/QObject> +#include <QtCore/QRegExp> +#include <QtCore/QMutexLocker> +#include <QtGui/QTextDocument> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Help) + +#if !defined(QT_SHARED) && !defined(QT_DLL) +# define QHELP_EXPORT +#elif defined(QHELP_LIB) +# define QHELP_EXPORT Q_DECL_EXPORT +#else +# define QHELP_EXPORT Q_DECL_IMPORT +#endif + +class QHelpGlobal { +public: + static QString uniquifyConnectionName(const QString &name, void *pointer) + { + static int counter = 0; + static QMutex mutex; + + QMutexLocker locker(&mutex); + if (++counter > 1000) + counter = 0; + + return QString::fromLatin1("%1-%2-%3") + .arg(name).arg(long(pointer)).arg(counter); + }; + + static QString documentTitle(const QString &content) + { + QString title = QObject::tr("Untitled"); + if (!content.isEmpty()) { + int start = content.indexOf(QLatin1String("<title>"), 0, Qt::CaseInsensitive) + 7; + int end = content.indexOf(QLatin1String("</title>"), 0, Qt::CaseInsensitive); + if ((end - start) > 0) { + title = content.mid(start, end - start); + if (Qt::mightBeRichText(title) || title.contains(QLatin1Char('&'))) { + QTextDocument doc; + doc.setHtml(title); + title = doc.toPlainText(); + } + } + } + return title; + }; + + static QString charsetFromData(const QByteArray &data) + { + QString content = QString::fromUtf8(data.constData(), data.size()); + int start = + content.indexOf(QLatin1String("<meta"), 0, Qt::CaseInsensitive); + if (start > 0) { + int end; + QRegExp r(QLatin1String("charset=([^\"\\s]+)")); + while (start != -1) { + end = content.indexOf(QLatin1Char('>'), start) + 1; + const QString &meta = content.mid(start, end - start).toLower(); + if (r.indexIn(meta) != -1) + return r.cap(1); + start = content.indexOf(QLatin1String("<meta"), end, + Qt::CaseInsensitive); + } + } + return QLatin1String("utf-8"); + } +}; + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif // QHELP_GLOBAL_H |