Line data    Source code

       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             : 
      10             : #ifndef INCLUDED_WRITERFILTER_SOURCE_RTFTOK_RTFLISTENER_HXX
      11             : #define INCLUDED_WRITERFILTER_SOURCE_RTFTOK_RTFLISTENER_HXX
      12             : 
      13             : #include <rtfcontrolwords.hxx>
      14             : 
      15             : namespace writerfilter
      16             : {
      17             : namespace rtftok
      18             : {
      19             : enum class RTFInternalState
      20             : {
      21             :     NORMAL,
      22             :     BIN,
      23             :     HEX
      24             : };
      25             : 
      26             : enum class RTFError
      27             : {
      28             :     OK,
      29             :     GROUP_UNDER,
      30             :     GROUP_OVER,
      31             :     UNEXPECTED_EOF,
      32             :     HEX_INVALID,
      33             :     CHAR_OVER
      34             : };
      35             : 
      36             : /**
      37             :  * RTFTokenizer needs a class implementing this interface. While
      38             :  * RTFTokenizer separates control words (and their arguments) from
      39             :  * text, the class implementing this interface is expected to map the
      40             :  * raw RTF tokens to dmapper tokens.
      41             :  */
      42         512 : class RTFListener
      43             : {
      44             : public:
      45         512 :     virtual ~RTFListener() { }
      46             :     // Dispatching of control words and characters.
      47             :     virtual RTFError dispatchDestination(RTFKeyword nKeyword) = 0;
      48             :     virtual RTFError dispatchFlag(RTFKeyword nKeyword) = 0;
      49             :     virtual RTFError dispatchSymbol(RTFKeyword nKeyword) = 0;
      50             :     virtual RTFError dispatchToggle(RTFKeyword nKeyword, bool bParam, int nParam) = 0;
      51             :     virtual RTFError dispatchValue(RTFKeyword nKeyword, int nParam) = 0;
      52             :     virtual RTFError resolveChars(char ch) = 0;
      53             : 
      54             :     // State handling.
      55             :     virtual RTFError pushState() = 0;
      56             :     virtual RTFError popState() = 0;
      57             : 
      58             :     virtual Destination getDestination() = 0;
      59             :     virtual void setDestination(Destination eDestination) = 0;
      60             :     virtual RTFInternalState getInternalState() = 0;
      61             :     virtual void setInternalState(RTFInternalState nInternalState) = 0;
      62             :     virtual bool getSkipUnknown() = 0;
      63             :     virtual void setSkipUnknown(bool bSkipUnknown) = 0;
      64             : 
      65             :     // Substream handling.
      66             :     virtual void finishSubstream() = 0;
      67             :     virtual bool isSubstream() const = 0;
      68             : };
      69             : } // namespace rtftok
      70             : } // namespace writerfilter
      71             : 
      72             : #endif // INCLUDED_WRITERFILTER_SOURCE_RTFTOK_RTFLISTENER_HXX
      73             : 
      74             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */