writerfilter/source/rtftok/rtflookahead.cxx

   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 #include "rtflookahead.hxx"
  11 #include <com/sun/star/uno/Reference.hxx>
  12 #include <tools/stream.hxx>
  13 #include "rtftokenizer.hxx"
  14
  15 namespace com::sun::star::task
  16 {
  17 class XStatusIndicator;
  18 }
  19
  20 using namespace com::sun::star;
  21
  22 namespace writerfilter::rtftok
  23 {
  24 RTFLookahead::RTFLookahead(SvStream& rStream, sal_uInt64 nGroupStart)
  25     : m_rStream(rStream)
  26     , m_bHasTable(false)
  27     , m_bHasColumns(false)
  28 {
  29     sal_uInt64 const nPos = m_rStream.Tell();
  30     m_rStream.Seek(nGroupStart);
  31     uno::Reference<task::XStatusIndicator> xStatusIndicator;
  32     m_pTokenizer = new RTFTokenizer(*this, &m_rStream, xStatusIndicator);
  33     m_pTokenizer->resolveParse();
  34     m_rStream.Seek(nPos);
  35 }
  36
  37 RTFLookahead::~RTFLookahead() = default;
  38
  39 RTFError RTFLookahead::dispatchDestination(RTFKeyword /*nKeyword*/) { return RTFError::OK; }
  40
  41 RTFError RTFLookahead::dispatchFlag(RTFKeyword nKeyword)
  42 {
  43     if (nKeyword == RTFKeyword::INTBL)
  44         m_bHasTable = true;
  45     return RTFError::OK;
  46 }
  47
  48 RTFError RTFLookahead::dispatchSymbol(RTFKeyword /*nKeyword*/) { return RTFError::OK; }
  49
  50 RTFError RTFLookahead::dispatchToggle(RTFKeyword /*nKeyword*/, bool /*bParam*/, int /*nParam*/)
  51 {
  52     return RTFError::OK;
  53 }
  54
  55 RTFError RTFLookahead::dispatchValue(RTFKeyword nKeyword, int nParam)
  56 {
  57     if (nKeyword == RTFKeyword::COLS && nParam >= 2)
  58         m_bHasColumns = true;
  59     return RTFError::OK;
  60 }
  61
  62 RTFError RTFLookahead::resolveChars(char ch)
  63 {
  64     while (!m_rStream.eof() && (ch != '{' && ch != '}' && ch != '\\'))
  65         m_rStream.ReadChar(ch);
  66     if (!m_rStream.eof())
  67         m_rStream.SeekRel(-1);
  68     return RTFError::OK;
  69 }
  70
  71 RTFError RTFLookahead::pushState()
  72 {
  73     m_pTokenizer->pushGroup();
  74     return RTFError::OK;
  75 }
  76
  77 RTFError RTFLookahead::popState()
  78 {
  79     m_pTokenizer->popGroup();
  80     return RTFError::OK;
  81 }
  82
  83 Destination RTFLookahead::getDestination() { return Destination::NORMAL; }
  84
  85 void RTFLookahead::setDestination(Destination /*eDestination*/) {}
  86
  87 RTFInternalState RTFLookahead::getInternalState() { return RTFInternalState::NORMAL; }
  88
  89 void RTFLookahead::setInternalState(RTFInternalState /*nInternalState*/) {}
  90
  91 bool RTFLookahead::getSkipUnknown() { return false; }
  92
  93 void RTFLookahead::setSkipUnknown(bool /*bSkipUnknown*/) {}
  94
  95 void RTFLookahead::finishSubstream() {}
  96
  97 bool RTFLookahead::isSubstream() const { return false; }
  98
  99 } // namespace writerfilter::rtftok
 100
 101 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */