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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_RTFLISTENER_HXX
#define INCLUDED_WRITERFILTER_SOURCE_RTFTOK_RTFLISTENER_HXX
#include <rtfcontrolwords.hxx>
namespace writerfilter
{
namespace rtftok
{
enum class RTFInternalState
{
NORMAL,
BIN,
HEX
};
enum class RTFError
{
OK,
GROUP_UNDER,
GROUP_OVER,
UNEXPECTED_EOF,
HEX_INVALID,
CHAR_OVER,
CLASSIFICATION
};
/**
* RTFTokenizer needs a class implementing this interface. While
* RTFTokenizer separates control words (and their arguments) from
* text, the class implementing this interface is expected to map the
* raw RTF tokens to dmapper tokens.
*/
class RTFListener
{
public:
virtual ~RTFListener() { }
// Dispatching of control words and characters.
virtual RTFError dispatchDestination(RTFKeyword nKeyword) = 0;
virtual RTFError dispatchFlag(RTFKeyword nKeyword) = 0;
virtual RTFError dispatchSymbol(RTFKeyword nKeyword) = 0;
virtual RTFError dispatchToggle(RTFKeyword nKeyword, bool bParam, int nParam) = 0;
virtual RTFError dispatchValue(RTFKeyword nKeyword, int nParam) = 0;
virtual RTFError resolveChars(char ch) = 0;
// State handling.
virtual RTFError pushState() = 0;
virtual RTFError popState() = 0;
virtual Destination getDestination() = 0;
virtual void setDestination(Destination eDestination) = 0;
virtual RTFInternalState getInternalState() = 0;
virtual void setInternalState(RTFInternalState nInternalState) = 0;
virtual bool getSkipUnknown() = 0;
virtual void setSkipUnknown(bool bSkipUnknown) = 0;
// Substream handling.
virtual void finishSubstream() = 0;
virtual bool isSubstream() const = 0;
};
} // namespace rtftok
} // namespace writerfilter
#endif // INCLUDED_WRITERFILTER_SOURCE_RTFTOK_RTFLISTENER_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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