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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_WRITERFILTER_SOURCE_RTFTOK_RTFTOKENIZER_HXX
#define INCLUDED_WRITERFILTER_SOURCE_RTFTOK_RTFTOKENIZER_HXX
#include "rtflistener.hxx"
#include <vector>
#include <unordered_map>
#include <com/sun/star/uno/Reference.h>
#include <rtl/ustring.hxx>
#include <tools/ref.hxx>
namespace com::sun::star::task
{
class XStatusIndicator;
}
class SvStream;
namespace writerfilter::rtftok
{
/// RTF tokenizer that separates control words from text.
class RTFTokenizer final : public virtual SvRefBase
{
public:
RTFTokenizer(RTFListener& rImport, SvStream* pInStream,
css::uno::Reference<css::task::XStatusIndicator> const& xStatusIndicator);
~RTFTokenizer() override;
RTFError resolveParse();
/// Number of states on the stack.
int getGroup() const { return m_nGroup; }
/// To be invoked by the pushState() callback to signal when the importer enters a group.
void pushGroup();
/// To be invoked by the popState() callback to signal when the importer leaves a group.
void popGroup();
OUString getPosition();
std::size_t getGroupStart() const { return m_nGroupStart; }
/// To look up additional properties of a math symbol.
static bool lookupMathKeyword(RTFMathSymbol& rSymbol);
private:
SvStream& Strm() { return *m_pInStream; }
RTFError resolveKeyword();
RTFError dispatchKeyword(OString const& rKeyword, bool bParam, int nParam);
RTFListener& m_rImport;
SvStream* m_pInStream;
css::uno::Reference<css::task::XStatusIndicator> const& m_xStatusIndicator;
// This is the same as aRTFControlWords, but mapped by token name for fast lookup
static std::unordered_map<OString, RTFSymbol> s_aRTFControlWords;
static bool s_bControlWordsInitialised;
// This is the same as aRTFMathControlWords, but sorted
static std::vector<RTFMathSymbol> s_aRTFMathControlWords;
static bool s_bMathControlWordsSorted;
/// Same as the size of the importer's states, except that this can be negative for invalid input.
int m_nGroup;
sal_Int32 m_nLineNumber;
std::size_t m_nLineStartPos;
std::size_t m_nGroupStart;
};
} // namespace writerfilter::rtftok
#endif // INCLUDED_WRITERFILTER_SOURCE_RTFTOK_RTFTOKENIZER_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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