1 files changed, 63 insertions, 0 deletions
diff --git a/include/ixion/interface/table_handler.hpp b/include/ixion/interface/table_handler.hpp
new file mode 100644
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+++ b/include/ixion/interface/table_handler.hpp
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * 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/.
+ */
+
+#ifndef IXION_INTERFACE_TABLE_HANDLER_HPP
+#define IXION_INTERFACE_TABLE_HANDLER_HPP
+
+#include "../types.hpp"
+
+namespace ixion {
+
+struct abs_address_t;
+struct abs_range_t;
+
+namespace iface {
+
+class IXION_DLLPUBLIC table_handler
+{
+public:
+    virtual ~table_handler();
+
+    /**
+     * Get the data range associated with a given column name.  The current
+     * position is used to infer which table to use.
+     *
+     * @param pos current cell position.
+     * @param column_first name of the starting column within the table.
+     * @param column_last name of the ending column within the table, or
+     *                    empty_string_id if it's a single column.
+     * @param areas area specifiter value, which may consist of one or more
+     *              values of table_area_t.
+     *
+     * @return referenced data range.
+     */
+    virtual abs_range_t get_range(
+        const abs_address_t& pos, string_id_t column_first, string_id_t column_last,
+        table_areas_t areas) const = 0;
+
+    /**
+     * Get the data range associated with given table and column names.
+     *
+     * @param table string identifier representing the table name.
+     * @param column_first name of the starting column within the table.
+     * @param column_last name of the ending column within the table, or
+     *                    empty_string_id if it's a single column.
+     * @param areas area specifiter value, which may consist of one or more
+     *              values of table_area_t.
+     *
+     * @return referenced data range.
+     */
+    virtual abs_range_t get_range(
+        string_id_t table, string_id_t column_first, string_id_t column_last,
+        table_areas_t areas) const = 0;
+};
+
+}}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */