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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: */
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