writerfilter/source/rtftok/rtflookahead.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
  10 #ifndef INCLUDED_WRITERFILTER_SOURCE_RTFTOK_RTFLOOKAHEAD_HXX
  11 #define INCLUDED_WRITERFILTER_SOURCE_RTFTOK_RTFLOOKAHEAD_HXX
  12
  13 #include <memory>
  14 #include <sal/types.h>
  15 #include <tools/ref.hxx>
  16 #include "rtflistener.hxx"
  17
  18 class SvStream;
  19
  20 namespace writerfilter
  21 {
  22 namespace rtftok
  23 {
  24 class RTFTokenizer;
  25 /**
  26  * This acts like an importer, but used for looking ahead, e.g. to
  27  * determine if the current group contains a table, etc.
  28  */
  29 class RTFLookahead : public RTFListener
  30 {
  31 public:
  32     RTFLookahead(SvStream& rStream, sal_uInt64 nGroupStart);
  33     ~RTFLookahead() override;
  34     RTFError dispatchDestination(RTFKeyword nKeyword) override;
  35     RTFError dispatchFlag(RTFKeyword nKeyword) override;
  36     RTFError dispatchSymbol(RTFKeyword nKeyword) override;
  37     RTFError dispatchToggle(RTFKeyword nKeyword, bool bParam, int nParam) override;
  38     RTFError dispatchValue(RTFKeyword nKeyword, int nParam) override;
  39     RTFError resolveChars(char ch) override;
  40     RTFError pushState() override;
  41     RTFError popState() override;
  42     Destination getDestination() override;
  43     void setDestination(Destination eDestination) override;
  44     RTFInternalState getInternalState() override;
  45     void setInternalState(RTFInternalState nInternalState) override;
  46     bool getSkipUnknown() override;
  47     void setSkipUnknown(bool bSkipUnknown) override;
  48     void finishSubstream() override;
  49     bool isSubstream() const override;
  50     bool hasTable() { return m_bHasTable; }
  51     bool hasColumns() { return m_bHasColumns; }
  52
  53 private:
  54     tools::SvRef<RTFTokenizer> m_pTokenizer;
  55     SvStream& m_rStream;
  56     bool m_bHasTable;
  57     bool m_bHasColumns;
  58 };
  59 } // namespace rtftok
  60 } // namespace writerfilter
  61
  62 #endif // INCLUDED_WRITERFILTER_SOURCE_RTFTOK_RTFLOOKAHEAD_HXX
  63
  64 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */