1 files changed, 106 insertions, 0 deletions
diff --git a/include/oox/token/tokenmap.hxx b/include/oox/token/tokenmap.hxx
new file mode 100644
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+++ b/include/oox/token/tokenmap.hxx
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+/* -*- 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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_OOX_TOKEN_TOKENMAP_HXX
+#define INCLUDED_OOX_TOKEN_TOKENMAP_HXX
+
+#include <sal/config.h>
+
+#include <string_view>
+#include <vector>
+
+#include <com/sun/star/uno/Sequence.hxx>
+#include <oox/token/tokens.hxx>
+#include <oox/dllapi.h>
+#include <rtl/ustring.hxx>
+#include <sal/log.hxx>
+#include <sal/types.h>
+
+namespace oox {
+
+
+class TokenMap
+{
+public:
+    explicit            TokenMap();
+                        ~TokenMap();
+
+    /** Returns the token identifier for the passed Unicode token name. */
+    static sal_Int32    getTokenFromUnicode( std::u16string_view rUnicodeName );
+
+    /** Returns the UTF8 name of the passed token identifier as byte sequence. */
+    css::uno::Sequence< sal_Int8 > const &
+                        getUtf8TokenName( sal_Int32 nToken ) const
+    {
+        SAL_WARN_IF(nToken < 0 || nToken >= XML_TOKEN_COUNT, "oox", "Wrong nToken parameter");
+        if (0 <= nToken && nToken < XML_TOKEN_COUNT)
+            return maTokenNames[ nToken ];
+        return EMPTY_BYTE_SEQ;
+    }
+
+    /** Returns the token identifier for the passed UTF8 token name. */
+    sal_Int32           getTokenFromUtf8(
+                            const css::uno::Sequence< sal_Int8 >& rUtf8Name ) const
+    {
+        return getTokenFromUTF8( reinterpret_cast< const char * >(
+                                rUtf8Name.getConstArray() ),
+                             rUtf8Name.getLength() );
+    }
+
+    /** Returns the token identifier for a UTF8 string passed in pToken */
+    sal_Int32 getTokenFromUTF8( const char *pToken, sal_Int32 nLength ) const
+    {
+        // 50% of OOXML tokens are primarily 1 lower-case character, a-z
+        if( nLength == 1)
+        {
+            char c = pToken[0];
+            if (c >= 'a' && c <= 'z')
+                return mnAlphaTokens[ c - 'a' ];
+        }
+        return getTokenPerfectHash( pToken, nLength );
+    }
+
+    /** Returns the name of the passed token identifier as OUString. */
+    OUString getUnicodeTokenName(sal_Int32 nToken) const
+    {
+        SAL_WARN_IF(nToken < 0 || nToken >= XML_TOKEN_COUNT, "oox", "Wrong nToken parameter");
+        OUString const ret((0 <= nToken && nToken < XML_TOKEN_COUNT)
+            ? rtl::OUString(reinterpret_cast<const char*>(maTokenNames[nToken].getConstArray()),
+                            maTokenNames[nToken].getLength(), RTL_TEXTENCODING_UTF8)
+            : OUString());
+        return ret;
+    }
+
+private:
+    static sal_Int32 getTokenPerfectHash( const char *pToken, sal_Int32 nLength );
+    static const css::uno::Sequence< sal_Int8 > EMPTY_BYTE_SEQ;
+
+    std::vector< css::uno::Sequence< sal_Int8 > >
+                        maTokenNames;
+    sal_Int32           mnAlphaTokens[26];
+};
+
+
+TokenMap& StaticTokenMap();
+
+} // namespace oox
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */