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       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #ifndef INCLUDED_OOX_TOKEN_TOKENMAP_HXX
      21             : #define INCLUDED_OOX_TOKEN_TOKENMAP_HXX
      22             : 
      23             : #include <vector>
      24             : #include <oox/token/tokens.hxx>
      25             : #include <rtl/instance.hxx>
      26             : #include <rtl/ustring.hxx>
      27             : #include <sal/log.hxx>
      28             : #include <com/sun/star/uno/Sequence.hxx>
      29             : 
      30             : namespace oox {
      31             : 
      32             : 
      33             : 
      34             : class TokenMap
      35             : {
      36             : public:
      37             :     explicit            TokenMap();
      38             :                         ~TokenMap();
      39             : 
      40             :     /** Returns the token identifier for the passed Unicode token name. */
      41             :     static sal_Int32    getTokenFromUnicode( const OUString& rUnicodeName );
      42             : 
      43             :     /** Returns the UTF8 name of the passed token identifier as byte sequence. */
      44             :     ::com::sun::star::uno::Sequence< sal_Int8 >
      45     2618442 :                         getUtf8TokenName( sal_Int32 nToken ) const
      46             :     {
      47             :         SAL_WARN_IF(nToken < 0 || nToken >= XML_TOKEN_COUNT, "oox", "Wrong nToken parameter");
      48     2618442 :         if (0 <= nToken && nToken < XML_TOKEN_COUNT)
      49     2618442 :             return maTokenNames[ nToken ];
      50           0 :         return css::uno::Sequence< sal_Int8 >();
      51             :     }
      52             : 
      53             :     /** Returns the token identifier for the passed UTF8 token name. */
      54      766241 :     sal_Int32           getTokenFromUtf8(
      55             :                             const ::com::sun::star::uno::Sequence< sal_Int8 >& rUtf8Name ) const
      56             :     {
      57             :         return getTokenFromUTF8( reinterpret_cast< const char * >(
      58      766241 :                                 rUtf8Name.getConstArray() ),
      59     1532482 :                              rUtf8Name.getLength() );
      60             :     }
      61             : 
      62             :     /** Returns the token identifier for a UTF8 string passed in pToken */
      63     6507635 :     sal_Int32 getTokenFromUTF8( const char *pToken, sal_Int32 nLength ) const
      64             :     {
      65             :         // 50% of OOXML tokens are primarily 1 lower-case character, a-z
      66     6507635 :         if( nLength == 1)
      67             :         {
      68      358027 :             sal_Char c = pToken[0];
      69      358027 :             if (c >= 'a' && c <= 'z')
      70      335754 :                 return mnAlphaTokens[ c - 'a' ];
      71             :         }
      72     6171881 :         return getTokenPerfectHash( pToken, nLength );
      73             :     }
      74             : 
      75             : private:
      76             :     static sal_Int32 getTokenPerfectHash( const char *pToken, sal_Int32 nLength );
      77             : 
      78             :     typedef ::std::vector< ::com::sun::star::uno::Sequence< sal_Int8 > > TokenNameVector;
      79             : 
      80             :     TokenNameVector     maTokenNames;
      81             :     sal_Int32           mnAlphaTokens[26];
      82             : };
      83             : 
      84             : 
      85             : 
      86             : struct StaticTokenMap : public ::rtl::Static< TokenMap, StaticTokenMap > {};
      87             : 
      88             : 
      89             : 
      90             : } // namespace oox
      91             : 
      92             : #endif
      93             : 
      94             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */