1 /* -*- Mode: C++; c-default-style: "k&r"; indent-tabs-mode: nil; tab-width: 2; c-basic-offset: 2 -*- */ 2 3 /* libmwaw 4 * Version: MPL 2.0 / LGPLv2+ 5 * 6 * The contents of this file are subject to the Mozilla Public License Version 7 * 2.0 (the "License"); you may not use this file except in compliance with 8 * the License or as specified alternatively below. You may obtain a copy of 9 * the License at http://www.mozilla.org/MPL/ 10 * 11 * Software distributed under the License is distributed on an "AS IS" basis, 12 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License 13 * for the specific language governing rights and limitations under the 14 * License. 15 * 16 * Major Contributor(s): 17 * Copyright (C) 2002 William Lachance (wrlach@gmail.com) 18 * Copyright (C) 2002,2004 Marc Maurer (uwog@uwog.net) 19 * Copyright (C) 2004-2006 Fridrich Strba (fridrich.strba@bluewin.ch) 20 * Copyright (C) 2006, 2007 Andrew Ziem 21 * Copyright (C) 2011, 2012 Alonso Laurent (alonso@loria.fr) 22 * 23 * 24 * All Rights Reserved. 25 * 26 * For minor contributions see the git repository. 27 * 28 * Alternatively, the contents of this file may be used under the terms of 29 * the GNU Lesser General Public License Version 2 or later (the "LGPLv2+"), 30 * in which case the provisions of the LGPLv2+ are applicable 31 * instead of those above. 32 */ 33 34 #ifndef JAZZ_WRITER_PARSER 35 # define JAZZ_WRITER_PARSER 36 37 #include <set> 38 #include <string> 39 #include <vector> 40 41 #include <librevenge/librevenge.h> 42 43 #include "MWAWDebug.hxx" 44 #include "MWAWInputStream.hxx" 45 46 #include "MWAWParser.hxx" 47 48 namespace JazzWriterParserInternal 49 { 50 class SubDocument; 51 struct State; 52 } 53 54 /** \brief the main class to read a Jazz(Lotus) word file 55 */ 56 class JazzWriterParser final : public MWAWTextParser 57 { 58 friend class JazzWriterParserInternal::SubDocument; 59 public: 60 //! constructor 61 JazzWriterParser(MWAWInputStreamPtr const &input, MWAWRSRCParserPtr const &rsrcParser, MWAWHeader *header); 62 //! destructor 63 ~JazzWriterParser() final; 64 65 //! checks if the document header is correct (or not) 66 bool checkHeader(MWAWHeader *header, bool strict=false) final; 67 68 // the main parse function 69 void parse(librevenge::RVNGTextInterface *documentInterface) final; 70 71 protected: 72 //! creates the listener which will be associated to the document 73 void createDocument(librevenge::RVNGTextInterface *documentInterface); 74 75 //! tries to read the WPPD zones 76 bool readParagraph(MWAWEntry const &entry); 77 //! tries to read the WSCR zones 78 bool readPLC(MWAWEntry const &entry); 79 //! tries to read the WDoc zones 80 bool readZone(MWAWEntry const &entry); 81 82 //! try to send a zone 83 bool sendZone(unsigned zId); 84 //! try to send a paragraph 85 bool sendParagraph(unsigned pId); 86 //! try to send a plc 87 bool sendPLC(unsigned pId); 88 //! try to retrieve a picture 89 bool getPicture(unsigned pId, MWAWEmbeddedObject &obj); 90 91 protected: 92 //! finds the different objects zones 93 bool createZones(); 94 /** checks that the main zone exists (and its potential header/footer) and that there are valid. 95 96 Enumerates also the number of characters in each zones and check that the data fork contains enough characters. 97 */ 98 bool checkZones(); 99 //! check that a paragraph, its style and its followings exist (and do not create loops) and update the number of characters 100 bool checkParagraphs(unsigned id, long &num, std::set<unsigned> &seens) const; 101 //! retrieve the number of characters corresponding to a PLC 102 bool countCharactersInPLC(unsigned plcId, long &n); 103 104 //! return the input input 105 MWAWInputStreamPtr rsrcInput(); 106 //! a DebugFile used to write what we recognize when we parse the document in rsrc 107 libmwaw::DebugFile &rsrcAscii(); 108 109 // 110 // data 111 // 112 113 //! try to read a C-string 114 bool readString(MWAWInputStreamPtr input, librevenge::RVNGString &string, long endPos); 115 116 //! the state 117 std::shared_ptr<JazzWriterParserInternal::State> m_state; 118 }; 119 #endif 120 // vim: set filetype=cpp tabstop=2 shiftwidth=2 cindent autoindent smartindent noexpandtab: 121