1 files changed, 63 insertions, 0 deletions
diff --git a/dbaccess/source/filter/hsqldb/hsqlbinarynode.hxx b/dbaccess/source/filter/hsqldb/hsqlbinarynode.hxx
new file mode 100644
index 000000000..97777e7d1
--- /dev/null
+++ b/dbaccess/source/filter/hsqldb/hsqlbinarynode.hxx
@@ -0,0 +1,63 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#pragma once
+
+#include <vector>
+
+#include "rowinputbinary.hxx"
+#include "columndef.hxx"
+
+namespace dbahsql
+{
+class HsqlBinaryNode
+{
+private:
+    sal_Int32 m_nLeft = -1;
+    sal_Int32 m_nRight = -1;
+    sal_Int32 m_nPos = -1;
+
+public:
+    /**
+     * Represents one element of an AVL tree in the binary file which contains
+     * the data.
+     */
+    HsqlBinaryNode(sal_Int32 nPos);
+
+    /**
+     * Read position of children from data file.
+     *
+     * @param rInput input stream where the positions should be read from.
+     */
+    void readChildren(HsqlRowInputStream const& rInput);
+
+    /**
+     * Get Position of left children. It should be called only after position of
+     * children is read.
+     */
+    sal_Int32 getLeft() const;
+
+    /**
+     * Get Position of right children. It should be called only after position of
+     * children is read.
+     */
+    sal_Int32 getRight() const;
+
+    /**
+     * Read the row represented by this node.
+     *
+     * @param rInput input stream where the row should be read from.
+     */
+    std::vector<css::uno::Any> readRow(HsqlRowInputStream& rInput,
+                                       const std::vector<ColumnDefinition>& aColTypes,
+                                       sal_Int32 nIndexCount);
+};
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */