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
  16 {
  17 namespace sun
  18 {
  19 namespace star
  20 {
  21 namespace task
  22 {
  23 class XStatusIndicator;
  24 }
  25 }
  26 }
  27 }
  28
  29 using namespace com::sun::star;
  30
  31 namespace writerfilter
  32 {
  33 namespace rtftok
  34 {
  35 RTFLookahead::RTFLookahead(SvStream& rStream, sal_uInt64 nGroupStart)
  36     : m_rStream(rStream)
  37     , m_bHasTable(false)
  38     , m_bHasColumns(false)
  39 {
  40     sal_uInt64 const nPos = m_rStream.Tell();
  41     m_rStream.Seek(nGroupStart);
  42     uno::Reference<task::XStatusIndicator> xStatusIndicator;
  43     m_pTokenizer = new RTFTokenizer(*this, &m_rStream, xStatusIndicator);
  44     m_pTokenizer->resolveParse();
  45     m_rStream.Seek(nPos);
  46 }
  47
  48 RTFLookahead::~RTFLookahead() = default;
  49
  50 RTFError RTFLookahead::dispatchDestination(RTFKeyword /*nKeyword*/) { return RTFError::OK; }
  51
  52 RTFError RTFLookahead::dispatchFlag(RTFKeyword nKeyword)
  53 {
  54     if (nKeyword == RTF_INTBL)
  55         m_bHasTable = true;
  56     return RTFError::OK;
  57 }
  58
  59 RTFError RTFLookahead::dispatchSymbol(RTFKeyword /*nKeyword*/) { return RTFError::OK; }
  60
  61 RTFError RTFLookahead::dispatchToggle(RTFKeyword /*nKeyword*/, bool /*bParam*/, int /*nParam*/)
  62 {
  63     return RTFError::OK;
  64 }
  65
  66 RTFError RTFLookahead::dispatchValue(RTFKeyword nKeyword, int nParam)
  67 {
  68     if (nKeyword == RTF_COLS && nParam >= 2)
  69         m_bHasColumns = true;
  70     return RTFError::OK;
  71 }
  72
  73 RTFError RTFLookahead::resolveChars(char ch)
  74 {
  75     while (!m_rStream.eof() && (ch != '{' && ch != '}' && ch != '\\'))
  76         m_rStream.ReadChar(ch);
  77     if (!m_rStream.eof())
  78         m_rStream.SeekRel(-1);
  79     return RTFError::OK;
  80 }
  81
  82 RTFError RTFLookahead::pushState()
  83 {
  84     m_pTokenizer->pushGroup();
  85     return RTFError::OK;
  86 }
  87
  88 RTFError RTFLookahead::popState()
  89 {
  90     m_pTokenizer->popGroup();
  91     return RTFError::OK;
  92 }
  93
  94 Destination RTFLookahead::getDestination() { return Destination::NORMAL; }
  95
  96 void RTFLookahead::setDestination(Destination /*eDestination*/) {}
  97
  98 RTFInternalState RTFLookahead::getInternalState() { return RTFInternalState::NORMAL; }
  99
 100 void RTFLookahead::setInternalState(RTFInternalState /*nInternalState*/) {}
 101
 102 bool RTFLookahead::getSkipUnknown() { return false; }
 103
 104 void RTFLookahead::setSkipUnknown(bool /*bSkipUnknown*/) {}
 105
 106 void RTFLookahead::finishSubstream() {}
 107
 108 bool RTFLookahead::isSubstream() const { return false; }
 109
 110 } // namespace rtftok
 111 } // namespace writerfilter
 112
 113 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */