1 files changed, 55 insertions, 0 deletions
diff --git a/src/libixion/formula_lexer.hpp b/src/libixion/formula_lexer.hpp
new file mode 100644
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+++ b/src/libixion/formula_lexer.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_IXION_FORMULA_LEXER_HPP
+#define INCLUDED_IXION_FORMULA_LEXER_HPP
+
+#include <string>
+#include <exception>
+
+#include "ixion/exceptions.hpp"
+#include "ixion/config.hpp"
+
+#include "lexer_tokens.hpp"
+
+namespace ixion {
+
+class formula_lexer 
+{
+    formula_lexer() = delete;
+    formula_lexer(const formula_lexer&) = delete;
+    formula_lexer& operator= (const formula_lexer&) = delete;
+public:
+    class tokenize_error : public general_error
+    {
+    public:
+        tokenize_error(const std::string& msg);
+    };
+
+    formula_lexer(const config& config, const char* p, size_t n);
+    ~formula_lexer();
+
+    void tokenize();
+
+    /**
+     * Note that this will empty the tokens stored inside the lexer instance.
+     *
+     * @param tokens token container to move the tokens to.
+     */
+    void swap_tokens(lexer_tokens_t& tokens);
+
+private:
+    const config& m_config;
+    lexer_tokens_t m_tokens;
+    const char* mp_first;
+    size_t m_size;
+};
+
+}
+
+#endif
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */