1 files changed, 77 insertions, 0 deletions
diff --git a/include/orcus/spreadsheet/shared_strings.hpp b/include/orcus/spreadsheet/shared_strings.hpp
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+++ b/include/orcus/spreadsheet/shared_strings.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 INCLUDED_ORCUS_SPREADSHEET_SHARED_STRINGS_HPP
+#define INCLUDED_ORCUS_SPREADSHEET_SHARED_STRINGS_HPP
+
+#include "document_types.hpp"
+
+#include <vector>
+#include <memory>
+#include <string>
+
+namespace ixion { class model_context; }
+
+namespace orcus {
+
+namespace spreadsheet {
+
+/**
+ * This class manages access to a pool of shared string instances for both
+ * unformatted strings and rich-text strings.  The underlying string values
+ * themselves are stored externally in the `ixion::model_context` instance
+ * which this class references; this class itself only stores the format
+ * properties of the rich-text strings.
+ */
+class ORCUS_SPM_DLLPUBLIC shared_strings
+{
+    struct impl;
+    std::unique_ptr<impl> mp_impl;
+
+public:
+    shared_strings() = delete;
+    shared_strings(const shared_strings&) = delete;
+    shared_strings& operator=(const shared_strings&) = delete;
+
+    shared_strings(ixion::model_context& cxt);
+    ~shared_strings();
+
+    /**
+     * Set the entire format runs of a string.
+     *
+     * @param sindex index of the string to associate the format runs with.
+     * @param runs format runs.
+     */
+    void set_format_runs(std::size_t sindex, std::unique_ptr<format_runs_t> runs);
+
+    /**
+     * Get the entire format runs of a string.
+     *
+     * @param index index of the string to get the format runs of.
+     *
+     * @return pointer to the format runs, or @p nullptr if no format runs exist
+     *         for the specified string index.
+     */
+    const format_runs_t* get_format_runs(std::size_t index) const;
+
+    /**
+     * Get an underlying string value associated with an index.
+     *
+     * @param index index of a string value.
+     *
+     * @return pointer to a string value associated with the index, or @p
+     *         nullptr in case of an invalid string index.
+     */
+    const std::string* get_string(std::size_t index) const;
+
+    void dump(std::ostream& os) const;
+};
+
+}}
+
+#endif
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */