writerfilter/source/rtftok/rtftokenizer.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_RTFTOKENIZER_HXX
  11 #define INCLUDED_WRITERFILTER_SOURCE_RTFTOK_RTFTOKENIZER_HXX
  12
  13 #include "rtflistener.hxx"
  14
  15 #include <vector>
  16
  17 #include <com/sun/star/uno/Reference.h>
  18
  19 #include <rtl/ustring.hxx>
  20 #include <tools/ref.hxx>
  21
  22 namespace com
  23 {
  24 namespace sun
  25 {
  26 namespace star
  27 {
  28 namespace task
  29 {
  30 class XStatusIndicator;
  31 }
  32 }
  33 }
  34 }
  35 class SvStream;
  36
  37 namespace writerfilter
  38 {
  39 namespace rtftok
  40 {
  41 /// RTF tokenizer that separates control words from text.
  42 class RTFTokenizer final : public virtual SvRefBase
  43 {
  44 public:
  45     RTFTokenizer(RTFListener& rImport, SvStream* pInStream,
  46                  css::uno::Reference<css::task::XStatusIndicator> const& xStatusIndicator);
  47     ~RTFTokenizer() override;
  48
  49     RTFError resolveParse();
  50     /// Number of states on the stack.
  51     int getGroup() const { return m_nGroup; }
  52     /// To be invoked by the pushState() callback to signal when the importer enters a group.
  53     void pushGroup();
  54     /// To be invoked by the popState() callback to signal when the importer leaves a group.
  55     void popGroup();
  56     OUString getPosition();
  57     std::size_t getGroupStart() { return m_nGroupStart; }
  58     /// To look up additional properties of a math symbol.
  59     static bool lookupMathKeyword(RTFMathSymbol& rSymbol);
  60
  61 private:
  62     SvStream& Strm() { return *m_pInStream; }
  63     RTFError resolveKeyword();
  64     RTFError dispatchKeyword(OString const& rKeyword, bool bParam, int nParam);
  65
  66     RTFListener& m_rImport;
  67     SvStream* m_pInStream;
  68     css::uno::Reference<css::task::XStatusIndicator> const& m_xStatusIndicator;
  69     // This is the same as aRTFControlWords, but sorted
  70     static std::vector<RTFSymbol> s_aRTFControlWords;
  71     static bool s_bControlWordsSorted;
  72     // This is the same as aRTFMathControlWords, but sorted
  73     static std::vector<RTFMathSymbol> s_aRTFMathControlWords;
  74     static bool s_bMathControlWordsSorted;
  75     /// Same as the size of the importer's states, except that this can be negative for invalid input.
  76     int m_nGroup;
  77     sal_Int32 m_nLineNumber;
  78     std::size_t m_nLineStartPos;
  79     std::size_t m_nGroupStart;
  80 };
  81 } // namespace rtftok
  82 } // namespace writerfilter
  83
  84 #endif // INCLUDED_WRITERFILTER_SOURCE_RTFTOK_RTFTOKENIZER_HXX
  85
  86 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */