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