tools/assistant/lib/qhelp_global.h
changeset 0 1918ee327afb
child 3 41300fa6a67c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/assistant/lib/qhelp_global.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,124 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@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