include/svtools/parrtf.hxx

   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  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef _PARRTF_HXX
  21 #define _PARRTF_HXX
  22
  23 #include "svtools/svtdllapi.h"
  24 #include <svtools/svparser.hxx>
  25 #include <stack>
  26
  27 struct RtfParserState_Impl
  28 {
  29     rtl_TextEncoding eCodeSet;
  30     sal_uInt8 nUCharOverread;
  31
  32     RtfParserState_Impl( sal_uInt8 nUOverread, rtl_TextEncoding eCdSt )
  33         : eCodeSet( eCdSt ), nUCharOverread( nUOverread )
  34     {}
  35 };
  36
  37 typedef std::stack< RtfParserState_Impl > RtfParserStates_Impl;
  38
  39 class SVT_DLLPUBLIC SvRTFParser : public SvParser
  40 {
  41     RtfParserStates_Impl aParserStates;
  42
  43     int nOpenBrakets;
  44     rtl_TextEncoding eCodeSet, eUNICodeSet;
  45     sal_uInt8 nUCharOverread;
  46
  47 private:
  48     static short _inSkipGroup;
  49
  50 protected:
  51     sal_Unicode GetHexValue();
  52     void ScanText( const sal_Unicode = 0 );
  53     void SkipGroup();
  54
  55     // scanne das naechste Token,
  56     virtual int _GetNextToken();
  57
  58     virtual void ReadUnknownData();
  59     virtual void ReadBitmapData();
  60     virtual void ReadOLEData();
  61
  62     virtual ~SvRTFParser();
  63
  64     rtl_TextEncoding GetCodeSet() const             { return eCodeSet; }
  65     void SetEncoding( rtl_TextEncoding eEnc );
  66
  67     rtl_TextEncoding GetUNICodeSet() const          { return eUNICodeSet; }
  68     void SetUNICodeSet( rtl_TextEncoding eSet )     { eUNICodeSet = eSet; }
  69
  70 public:
  71     SvRTFParser( SvStream& rIn, sal_uInt8 nStackSize = 3 );
  72
  73     virtual SvParserState CallParser();   // Aufruf des Parsers
  74
  75     int GetOpenBrakets() const { return nOpenBrakets; }
  76
  77     // fuers asynchrone lesen aus dem SvStream
  78 //  virtual void SaveState( int nToken );
  79 //  virtual void RestoreState();
  80     virtual void Continue( int nToken );
  81 };
  82
  83 #endif //_PARRTF_HXX
  84
  85 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */