Initial bundle support

Change-Id: I095249f64ecf4ef1e3fbfb164e3d50edffab61e8
Reviewed-by: Roberto Raggi <roberto.raggi@nokia.com>

1 files changed, 122 insertions, 0 deletions

diff --git a/src/qml/qml/qqmlbundle_p.h b/src/qml/qml/qqmlbundle_p.h
new file mode 100644
index 0000000000..029acf1f1b
--- /dev/null
+++ b/src/qml/qml/qqmlbundle_p.h
@@ -0,0 +1,122 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the QtQml 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
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QQMLBUNDLE_P_H
+#define QQMLBUNDLE_P_H
+
+#include <QtCore/qfile.h>
+#include <QtCore/qstring.h>
+#include <QtQml/qtqmlglobal.h>
+
+QT_BEGIN_NAMESPACE
+
+class Q_QML_EXPORT QQmlBundle
+{
+    Q_DISABLE_COPY(QQmlBundle)
+public:
+    struct Q_PACKED Q_QML_EXPORT Entry
+    {
+        enum Kind {
+            File = 123, // Normal file
+            Skip,       // Empty space
+            Link        // A meta data linked file
+
+            // ### add entries for qmldir, index, ...
+        };
+
+        int kind;
+        quint64 size;
+    };
+
+    struct Q_PACKED Q_QML_EXPORT RawEntry : public Entry
+    {
+        char data[]; // trailing data
+    };
+
+    struct Q_PACKED Q_QML_EXPORT FileEntry : public Entry
+    {
+        quint64 link;
+        int fileNameLength;
+        char data[]; // trailing data
+
+        QString fileName() const;
+        bool isFileName(const QString &) const;
+
+        quint64 fileSize() const;
+        const char *contents() const;
+    };
+
+    QQmlBundle(const QString &fileName);
+    ~QQmlBundle();
+
+    bool open(QIODevice::OpenMode mode = QIODevice::ReadWrite);
+    void close();
+
+    QList<const FileEntry *> files() const;
+    void remove(const FileEntry *entry);
+    bool add(const QString &fileName);
+    bool add(const QString &name, const QString &fileName);
+
+    bool addMetaLink(const QString &fileName,
+                     const QString &linkName,
+                     const QByteArray &data);
+
+    const FileEntry *find(const QString &fileName) const;
+    const FileEntry *find(const QChar *fileName, int length) const;
+
+    const FileEntry *link(const FileEntry *, const QString &linkName) const;
+
+    static int bundleHeaderLength();
+    static bool isBundleHeader(const char *, int size);
+private:
+    const Entry *findInsertPoint(quint64 size, qint64 *offset);
+
+private:
+    QFile file;
+    uchar *buffer;
+    quint64 bufferSize;
+    bool opened:1;
+    bool headerWritten:1;
+};
+
+QT_END_NAMESPACE
+
+#endif // QQMLBUNDLE_P_H