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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 <com/sun/star/uno/Sequence.hxx>
      28             : 
      29             : namespace oox {
      30             : 
      31             : 
      32             : 
      33             : class TokenMap
      34             : {
      35             : public:
      36             :     explicit            TokenMap();
      37             :                         ~TokenMap();
      38             : 
      39             :     /** Returns the token identifier for the passed Unicode token name. */
      40             :     sal_Int32           getTokenFromUnicode( const OUString& rUnicodeName ) const;
      41             : 
      42             :     /** Returns the UTF8 name of the passed token identifier as byte sequence. */
      43             :     ::com::sun::star::uno::Sequence< sal_Int8 >
      44     4490328 :                         getUtf8TokenName( sal_Int32 nToken ) const
      45             :     {
      46             :         SAL_WARN_IF(nToken < 0 || nToken >= XML_TOKEN_COUNT, "oox", "Wrong nToken parameter");
      47     4490328 :         if (0 <= nToken && nToken < XML_TOKEN_COUNT)
      48     4490328 :             return maTokenNames[ nToken ];
      49           0 :         return css::uno::Sequence< sal_Int8 >();
      50             :     }
      51             : 
      52             :     /** Returns the token identifier for the passed UTF8 token name. */
      53     1453542 :     sal_Int32           getTokenFromUtf8(
      54             :                             const ::com::sun::star::uno::Sequence< sal_Int8 >& rUtf8Name ) const
      55             :     {
      56             :         return getTokenFromUTF8( reinterpret_cast< const char * >(
      57     1453542 :                                 rUtf8Name.getConstArray() ),
      58     2907084 :                              rUtf8Name.getLength() );
      59             :     }
      60             : 
      61             :     /** Returns the token identifier for a UTF8 string passed in pToken */
      62    11989203 :     sal_Int32 getTokenFromUTF8( const char *pToken, sal_Int32 nLength ) const
      63             :     {
      64             :         // 50% of OOXML tokens are primarily 1 lower-case character, a-z
      65    11989203 :         if( nLength == 1)
      66             :         {
      67      639328 :             sal_Char c = pToken[0];
      68      639328 :             if (c >= 'a' && c <= 'z')
      69      603374 :                 return mnAlphaTokens[ c - 'a' ];
      70             :         }
      71    11385829 :         return getTokenPerfectHash( pToken, nLength );
      72             :     }
      73             : 
      74             : private:
      75             :     sal_Int32 getTokenPerfectHash( const char *pToken, sal_Int32 nLength ) const;
      76             : 
      77             :     typedef ::std::vector< ::com::sun::star::uno::Sequence< sal_Int8 > > TokenNameVector;
      78             : 
      79             :     TokenNameVector     maTokenNames;
      80             :     sal_Int32           mnAlphaTokens[26];
      81             : };
      82             : 
      83             : 
      84             : 
      85             : struct StaticTokenMap : public ::rtl::Static< TokenMap, StaticTokenMap > {};
      86             : 
      87             : 
      88             : 
      89             : } // namespace oox
      90             : 
      91             : #endif
      92             : 
      93             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */