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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/.
*/
#ifndef INCLUDED_XMLOFF_FASTTOKENHANDLER_HXX
#define INCLUDED_XMLOFF_FASTTOKENHANDLER_HXX
#include <com/sun/star/xml/sax/XFastTokenHandler.hpp>
#include <cppuhelper/implbase.hxx>
#include <sax/fastattribs.hxx>
#include <xmloff/token/tokens.hxx>
#include <rtl/instance.hxx>
#include <sal/log.hxx>
#include <xmloff/dllapi.h>
namespace xmloff {
namespace token {
class TokenMap
{
public:
explicit TokenMap();
~TokenMap();
/** Returns the UTF-8 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, "xmloff", "Wrong nToken parameter");
if( 0 <= nToken && nToken < XML_TOKEN_COUNT )
return maTokenNames[ nToken ];
return EMPTY_BYTE_SEQ;
}
/** Returns the token identifier for the passed UTF-8 token name. */
static sal_Int32 getTokenFromUtf8( const css::uno::Sequence< sal_Int8 >& rUtf8Name )
{
return getTokenFromUTF8( reinterpret_cast< const char* >(
rUtf8Name.getConstArray() ), rUtf8Name.getLength() );
}
/** Returns the token identifier for a UTF-8 string */
static sal_Int32 getTokenFromUTF8( const char *pToken, sal_Int32 nLength )
{
return getTokenPerfectHash( pToken, nLength );
}
private:
static sal_Int32 getTokenPerfectHash( const char *pToken, sal_Int32 nLength );
std::vector< css::uno::Sequence< sal_Int8 > > maTokenNames;
static const css::uno::Sequence< sal_Int8 > EMPTY_BYTE_SEQ;
};
struct StaticTokenMap : public rtl::Static< TokenMap, StaticTokenMap > {};
class XMLOFF_DLLPUBLIC FastTokenHandler : public cppu::WeakImplHelper<
css::xml::sax::XFastTokenHandler >,
public sax_fastparser::FastTokenHandlerBase
{
public:
explicit FastTokenHandler();
virtual ~FastTokenHandler() override;
// XFastTokenHandler
virtual css::uno::Sequence< sal_Int8 > SAL_CALL getUTF8Identifier( sal_Int32 nToken ) override;
virtual sal_Int32 SAL_CALL getTokenFromUTF8( const css::uno::Sequence< sal_Int8 >& Identifier ) override;
// Much faster direct C++ shortcut to the method that matters
virtual sal_Int32 getTokenDirect( const char *pToken, sal_Int32 nLength ) const override;
private:
TokenMap& mrTokenMap;
};
} // namespace token
} // namespace xmloff
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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