Implement XEP-0231: Bits of Binary: stanza extension

This adds a type that may be used as a stanza extension. It is useful,
when a stanza contains (possibly multiple) XEP-0231: Bits of Binary data
elements.

2 files changed, 109 insertions, 0 deletions

diff --git a/src/base/QXmppBitsOfBinaryDataList.cpp b/src/base/QXmppBitsOfBinaryDataList.cpp
new file mode 100644
index 00000000..a9de33e1
--- /dev/null
+++ b/src/base/QXmppBitsOfBinaryDataList.cpp
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2008-2019 The QXmpp developers
+ *
+ * Author:
+ *  Linus Jahn
+ *
+ * Source:
+ *  https://github.com/qxmpp-project/qxmpp
+ *
+ * This file is a part of QXmpp library.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ */
+
+#include "QXmppBitsOfBinaryDataList.h"
+
+#include <QDomElement>
+
+#include "QXmppBitsOfBinaryData.h"
+#include "QXmppConstants_p.h"
+
+QXmppBitsOfBinaryDataList::QXmppBitsOfBinaryDataList() = default;
+
+QXmppBitsOfBinaryDataList::~QXmppBitsOfBinaryDataList() = default;
+
+/// \cond
+void QXmppBitsOfBinaryDataList::parse(const QDomElement &element)
+{
+    // clear previous data elements
+    clear();
+
+    // parse all <data/> elements
+    QDomElement child = element.firstChildElement();
+    while (!child.isNull()) {
+        if (QXmppBitsOfBinaryData::isBitsOfBinaryData(child)) {
+            QXmppBitsOfBinaryData data;
+            data.parseElementFromChild(child);
+            append(data);
+        }
+        child = child.nextSiblingElement();
+    }
+}
+
+void QXmppBitsOfBinaryDataList::toXml(QXmlStreamWriter *writer) const
+{
+    for (const auto &bitsOfBinaryData : *this)
+        bitsOfBinaryData.toXmlElementFromChild(writer);
+}
+/// \endcond
diff --git a/src/base/QXmppBitsOfBinaryDataList.h b/src/base/QXmppBitsOfBinaryDataList.h
new file mode 100644
index 00000000..2a6f5311
--- /dev/null
+++ b/src/base/QXmppBitsOfBinaryDataList.h
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2008-2019 The QXmpp developers
+ *
+ * Author:
+ *  Linus Jahn
+ *
+ * Source:
+ *  https://github.com/qxmpp-project/qxmpp
+ *
+ * This file is a part of QXmpp library.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ */
+
+#ifndef QXMPPBITSOFBINARYDATACONTAINER_H
+#define QXMPPBITSOFBINARYDATACONTAINER_H
+
+#include <QVector>
+
+#include "QXmppBitsOfBinaryData.h"
+
+class QDomElement;
+class QXmlStreamWriter;
+
+/// \class QXmppBitsOfBinaryDataList represents a list of data elements from
+/// XEP-0231: Bits of Binary.
+///
+/// \since QXmpp 1.2
+
+class QXMPP_EXPORT QXmppBitsOfBinaryDataList : public QVector<QXmppBitsOfBinaryData>
+{
+public:
+    QXmppBitsOfBinaryDataList();
+    ~QXmppBitsOfBinaryDataList();
+
+    /// \cond
+    void parse(const QDomElement &element);
+    void toXml(QXmlStreamWriter *writer) const;
+    /// \endcond
+};
+
+#endif // QXMPPBITSOFBINARYDATACONTAINER_H